Pub Date : 2023-06-01DOI: 10.17503/agrivita.v45i2.3933
Yuli Yarwati, N. Barunawati, Ariffin
The research aims to obtain a genotype of local glutinous rice tolerant to drought stress by investigating yield and physiological responses. The experiment is conducted in May-September 2020 in West Lombok, West Nusa Tenggara. The factorial experiment uses a Randomized Block Design, including the first factor: glutinous rice varieties, namely Me'e, Kala, Samada, and Paketih. The second factor is water supply, consisting of 2,250 ml, 3,375 ml, 4,500 ml, and 5,625 ml. The variables are observed stomata density, the content of proline and chlorophyll, panicle length, number and weight of grains, starch, and amylose content. The result shows that the stomata density has about 39 to 54.74 mm2 caused by water application on all glutinous rice strains. The chlorophyll content decreases to 50% following the declining amount of water application, while proline content on all varieties reaches 40% by water supply at 2,250 ml. In addition, the amylose content reaches 40% with 4,500 ml of water and 5,625 ml of water in all varieties. By contrast, increasing the amount in water supply affect several variables observed, an increase in panicle length of around 10% and the number and weight of the grains at 20% and 40%, respectively.
{"title":"Amylose Accumulation Under Water Deficit in Glutinous Rice (Oryza sativa L. Var. glutinosa)","authors":"Yuli Yarwati, N. Barunawati, Ariffin","doi":"10.17503/agrivita.v45i2.3933","DOIUrl":"https://doi.org/10.17503/agrivita.v45i2.3933","url":null,"abstract":"The research aims to obtain a genotype of local glutinous rice tolerant to drought stress by investigating yield and physiological responses. The experiment is conducted in May-September 2020 in West Lombok, West Nusa Tenggara. The factorial experiment uses a Randomized Block Design, including the first factor: glutinous rice varieties, namely Me'e, Kala, Samada, and Paketih. The second factor is water supply, consisting of 2,250 ml, 3,375 ml, 4,500 ml, and 5,625 ml. The variables are observed stomata density, the content of proline and chlorophyll, panicle length, number and weight of grains, starch, and amylose content. The result shows that the stomata density has about 39 to 54.74 mm2 caused by water application on all glutinous rice strains. The chlorophyll content decreases to 50% following the declining amount of water application, while proline content on all varieties reaches 40% by water supply at 2,250 ml. In addition, the amylose content reaches 40% with 4,500 ml of water and 5,625 ml of water in all varieties. By contrast, increasing the amount in water supply affect several variables observed, an increase in panicle length of around 10% and the number and weight of the grains at 20% and 40%, respectively.","PeriodicalId":44658,"journal":{"name":"Agrivita","volume":null,"pages":null},"PeriodicalIF":0.8,"publicationDate":"2023-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"43216720","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2023-06-01DOI: 10.17503/agrivita.v45i2.4149
C. Medina, L. Velasco, J. S. Quisado, Joel P. Limson, D. Posas, Bryan V. Novio
Lanzones scale insect (LSI) has been an important insect pest of lanzones since its first record in 2004. It causes massive defoliation on trees which eventually results to underdeveloped and sour fruits. Different lanzones-growing areas in the Philippines were surveyed for LSI along with its associated parasitoids in commercial lanzones farms located in Laguna (Los Baños,Nagcarlan and Sta. Maria), Oriental Mindoro (Villa Cerveza, Villa Cerveza, San Gabriel-Alcate), Negros (Abante-Pamplona, Poblacion - Pamplona, Lunga, Valencia, Talisay - Negros Occidental, Jawa-Valencia, Lunga-Valencia, Bongbong), Misamis Occidental (Aloran - Misamis Occidental, Calamba, Oroquieta, Sapang Dalaga, Plaridel), Camiguin (Catarman, Poblacion, Sagay, Tagdo, Mahinog), North Cotabato (Makilala, Kidapawan, and Kabacan) and Sulu (Maimbung, Patikol,Talipao). From each collection site, a total of 10 infested trees were sampled at random with leaflets (N=10) collected in four cardinal directions around canopy. Leaflets were scanned, photographed, and transported to the laboratory. Population estimates of each local population was obtained along with demographic structure viz. age structure and male-female sex ratio. The sample per tree were kept individually in customized cages for parasitoid emergence and determination of parasitization rate. Parasitoids were identified as Aphytis sp., Encarsia sp. and 2 other unidentified species. LSI population and percent parasitism in Laguna were quite high compared to North Cotabato. Results of this study will contribute to the basic knowledge needed to improve control strategy on LSI.
{"title":"Sex Ratio, Age Structure and Parasitism in Unaspis mabilis (Hemiptera: Diaspididae) in the Philippines","authors":"C. Medina, L. Velasco, J. S. Quisado, Joel P. Limson, D. Posas, Bryan V. Novio","doi":"10.17503/agrivita.v45i2.4149","DOIUrl":"https://doi.org/10.17503/agrivita.v45i2.4149","url":null,"abstract":"Lanzones scale insect (LSI) has been an important insect pest of lanzones since its first record in 2004. It causes massive defoliation on trees which eventually results to underdeveloped and sour fruits. Different lanzones-growing areas in the Philippines were surveyed for LSI along with its associated parasitoids in commercial lanzones farms located in Laguna (Los Baños,Nagcarlan and Sta. Maria), Oriental Mindoro (Villa Cerveza, Villa Cerveza, San Gabriel-Alcate), Negros (Abante-Pamplona, Poblacion - Pamplona, Lunga, Valencia, Talisay - Negros Occidental, Jawa-Valencia, Lunga-Valencia, Bongbong), Misamis Occidental (Aloran - Misamis Occidental, Calamba, Oroquieta, Sapang Dalaga, Plaridel), Camiguin (Catarman, Poblacion, Sagay, Tagdo, Mahinog), North Cotabato (Makilala, Kidapawan, and Kabacan) and Sulu (Maimbung, Patikol,Talipao). From each collection site, a total of 10 infested trees were sampled at random with leaflets (N=10) collected in four cardinal directions around canopy. Leaflets were scanned, photographed, and transported to the laboratory. Population estimates of each local population was obtained along with demographic structure viz. age structure and male-female sex ratio. The sample per tree were kept individually in customized cages for parasitoid emergence and determination of parasitization rate. Parasitoids were identified as Aphytis sp., Encarsia sp. and 2 other unidentified species. LSI population and percent parasitism in Laguna were quite high compared to North Cotabato. Results of this study will contribute to the basic knowledge needed to improve control strategy on LSI.","PeriodicalId":44658,"journal":{"name":"Agrivita","volume":null,"pages":null},"PeriodicalIF":0.8,"publicationDate":"2023-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"44690627","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2023-06-01DOI: 10.17503/agrivita.v45i2.3677
Andika Akbarul Iman, S. Aziz, A. Munif
Celery (Apium graveolens L.) is an annual plant that grows optimally in Indonesia’s highlands. The provision of endophytic bacteria has the role of plant protection, increasing agronomic growth and plant physiology, and overcoming environmental stresses. This study aims to assist the adaptation of highland celery varieties in the lowlands due to the decreasing agricultural highland and increase their production with endophytic bacteria applications. The experiment was executed in Bogor, Indonesia using a randomized block design with two factors. The celery variety served as the first factor [Amigo and Aroma (highland variety), and Summer Green (lowland variety)], and endophytic bacteria was the second factor (control, APE35, a combination of APE35+BAT, APE35+BAT+EQ26, and the PTM3 consortium). The result showed that endophytic bacteria helped the plants to adjust growth from highland to lowlands and increase yield. In lowland, Amigo showed shorter in height but it has a significantly higher stalk number, carotenoids, and flavonoids than Summer Green (lowland control). Endophytic bacteria increased plant growth, N, P, pigments, and flavonoids. APE35 or PTM3 with Amigo produced significantly higher leaf area, number of tillers, number of leaflets, leaf area, head fresh weight (78.529 and 75.054 g/plant), total fresh weight (81.67 and 85.395 g/plant), and total flavonoids (1484.818 and 1502.459 mg QE/100 g) than Summer Green without endophytic bacteria.
{"title":"Increased Production and Flavonoids of Two Celery Highland Varieties (Apium graveolens L.) by Endophytic Bacteria in Lowland","authors":"Andika Akbarul Iman, S. Aziz, A. Munif","doi":"10.17503/agrivita.v45i2.3677","DOIUrl":"https://doi.org/10.17503/agrivita.v45i2.3677","url":null,"abstract":"Celery (Apium graveolens L.) is an annual plant that grows optimally in Indonesia’s highlands. The provision of endophytic bacteria has the role of plant protection, increasing agronomic growth and plant physiology, and overcoming environmental stresses. This study aims to assist the adaptation of highland celery varieties in the lowlands due to the decreasing agricultural highland and increase their production with endophytic bacteria applications. The experiment was executed in Bogor, Indonesia using a randomized block design with two factors. The celery variety served as the first factor [Amigo and Aroma (highland variety), and Summer Green (lowland variety)], and endophytic bacteria was the second factor (control, APE35, a combination of APE35+BAT, APE35+BAT+EQ26, and the PTM3 consortium). The result showed that endophytic bacteria helped the plants to adjust growth from highland to lowlands and increase yield. In lowland, Amigo showed shorter in height but it has a significantly higher stalk number, carotenoids, and flavonoids than Summer Green (lowland control). Endophytic bacteria increased plant growth, N, P, pigments, and flavonoids. APE35 or PTM3 with Amigo produced significantly higher leaf area, number of tillers, number of leaflets, leaf area, head fresh weight (78.529 and 75.054 g/plant), total fresh weight (81.67 and 85.395 g/plant), and total flavonoids (1484.818 and 1502.459 mg QE/100 g) than Summer Green without endophytic bacteria.","PeriodicalId":44658,"journal":{"name":"Agrivita","volume":null,"pages":null},"PeriodicalIF":0.8,"publicationDate":"2023-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"42186242","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2023-06-01DOI: 10.17503/agrivita.v45i2.3865
V. Cahyani, Suryanti, S. Minardi, W. S. Dewi
The functional roles of Arbuscular Mycorrhiza (AM) in soils with P limitations are well documented. However, the protocol to produce effective AM inocula was still limited. This research aims at obtaining the effective AM culture in handling P constraints for maize growth on Andisols. The first experiment of pot culture I was to propagate and examine the effectiveness of AM isolates by using a factorial completely randomized design with two factors, A=media (A0: zeolite; A1: representative media=Andisol Tengaran; A2: typical media=a mixture of Andisol Tengaran+Tawangmangu; A3: typical media+Bio-RP nutrition; A4: Inceptisol) and I = AM inoculum source (I0: no inoculum; I1: AM from Andisol Tengaran; I2: AM from Andisol Tengaran + Tawangmangu; I3: AM from 8 soil types), with six replications. The second experiment investigated the consistency of mycorrhizal effectiveness by reculturing AM cultures generation I to pot cultures generation II with the same composition of the respective media. The combination treatments of A1I3, A2I2, A0I3, and A4I3 (AM cultures generation I), continued by A1I32, A2I22, A0I32, and A4I32 (AM cultures generation II) showed consistently the highest AM infectivity and effectiveness on maize growth and P uptake on Andisol-based media, and on the comparison media of zeolite and Inceptisol media, respectively.
{"title":"Consistency of Mycorrhizal Effectiveness on Maize Growth and P Uptake in Two Generations of Pot Culture Using Andisol-Based Media","authors":"V. Cahyani, Suryanti, S. Minardi, W. S. Dewi","doi":"10.17503/agrivita.v45i2.3865","DOIUrl":"https://doi.org/10.17503/agrivita.v45i2.3865","url":null,"abstract":"The functional roles of Arbuscular Mycorrhiza (AM) in soils with P limitations are well documented. However, the protocol to produce effective AM inocula was still limited. This research aims at obtaining the effective AM culture in handling P constraints for maize growth on Andisols. The first experiment of pot culture I was to propagate and examine the effectiveness of AM isolates by using a factorial completely randomized design with two factors, A=media (A0: zeolite; A1: representative media=Andisol Tengaran; A2: typical media=a mixture of Andisol Tengaran+Tawangmangu; A3: typical media+Bio-RP nutrition; A4: Inceptisol) and I = AM inoculum source (I0: no inoculum; I1: AM from Andisol Tengaran; I2: AM from Andisol Tengaran + Tawangmangu; I3: AM from 8 soil types), with six replications. The second experiment investigated the consistency of mycorrhizal effectiveness by reculturing AM cultures generation I to pot cultures generation II with the same composition of the respective media. The combination treatments of A1I3, A2I2, A0I3, and A4I3 (AM cultures generation I), continued by A1I32, A2I22, A0I32, and A4I32 (AM cultures generation II) showed consistently the highest AM infectivity and effectiveness on maize growth and P uptake on Andisol-based media, and on the comparison media of zeolite and Inceptisol media, respectively.","PeriodicalId":44658,"journal":{"name":"Agrivita","volume":null,"pages":null},"PeriodicalIF":0.8,"publicationDate":"2023-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"68207992","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2023-06-01DOI: 10.17503/agrivita.v45i2.4079
Saychol Sukyankij, Sopida Sukyankij, T. Panich-pat
Improving the grain yield of rice and increasing the availability of nutrients in cultivated soils are important goals of sustainable agriculture. This study was aimed to determine the effects of different fertilizer applications and dolomite amendments on rice yield, quality, and soil fertility after plantation in post-active acid sulfate soil in the Phra Nakhon Si Ayutthaya province, Thailand. A randomized complete block design (RCBD) with six treatments and three replications was employed, i.e. T1 (no fertilizer); T2 (fertilizer at the rate of the farmers’ practice, CFFMP); T3 (fertilizer at the rate of site-specific nutrient management, SSNM); T4 (SSNM+organic fertilizer, OF); T5 (SSNM+dolomite, DM); and T6 (SSNM+OF0.5+DM0.5). Our results indicated that the treatment of SSNM+DM provided the highest grain yield (6,171 kg/ha). For the quality of rice grain, the highest protein level was found in the treatment of CFFMP (80.2 g/kg). Application of fertilizer according to the SSNM+OF treatment resulted in higher soil organic matter, available phosphorus, and exchangeable potassium in the soil after rice cultivation than in other treatments. The results suggested that the application of SSNM+DM and SSNM +OF0.5+DM0.5 was the best options for improving rice yield in this area.
提高水稻产量和增加耕作土壤中养分的可利用性是可持续农业的重要目标。本研究旨在确定在泰国Phra Nakhon Si Ayutthaya省后活性酸性硫酸盐土壤中种植后，不同肥料施用和白云石改良剂对水稻产量、质量和土壤肥力的影响。采用随机完全区组设计（RCBD），有六个处理和三个重复，即T1（不施肥）；T2（农民实践施肥率，CFFMP）；T3（特定地点养分管理速率的肥料，SSNM）；T4（SSNM+有机肥，OF）；T5（SSNM+白云石，DM）；和T6（SSNM+OF0.5+DM0.5）。我们的结果表明，SSNM+DM处理提供了最高的粮食产量（6171kg/ha）。就稻米品质而言，CFFMP处理的蛋白质水平最高（80.2g/kg）。与其他处理相比，施用SSNM+of处理的水稻栽培后土壤有机质、有效磷和交换性钾含量较高。结果表明，施用SSNM+DM和SSNM+OF0.5+DM0.5是提高该地区水稻产量的最佳选择。
{"title":"Effect of Co-Fertilizer Application and Dolomite Amendments on Yield and Grain Quality of Rice Grown on Post-Active Acid Sulfate Soil","authors":"Saychol Sukyankij, Sopida Sukyankij, T. Panich-pat","doi":"10.17503/agrivita.v45i2.4079","DOIUrl":"https://doi.org/10.17503/agrivita.v45i2.4079","url":null,"abstract":"Improving the grain yield of rice and increasing the availability of nutrients in cultivated soils are important goals of sustainable agriculture. This study was aimed to determine the effects of different fertilizer applications and dolomite amendments on rice yield, quality, and soil fertility after plantation in post-active acid sulfate soil in the Phra Nakhon Si Ayutthaya province, Thailand. A randomized complete block design (RCBD) with six treatments and three replications was employed, i.e. T1 (no fertilizer); T2 (fertilizer at the rate of the farmers’ practice, CFFMP); T3 (fertilizer at the rate of site-specific nutrient management, SSNM); T4 (SSNM+organic fertilizer, OF); T5 (SSNM+dolomite, DM); and T6 (SSNM+OF0.5+DM0.5). Our results indicated that the treatment of SSNM+DM provided the highest grain yield (6,171 kg/ha). For the quality of rice grain, the highest protein level was found in the treatment of CFFMP (80.2 g/kg). Application of fertilizer according to the SSNM+OF treatment resulted in higher soil organic matter, available phosphorus, and exchangeable potassium in the soil after rice cultivation than in other treatments. The results suggested that the application of SSNM+DM and SSNM +OF0.5+DM0.5 was the best options for improving rice yield in this area.","PeriodicalId":44658,"journal":{"name":"Agrivita","volume":null,"pages":null},"PeriodicalIF":0.8,"publicationDate":"2023-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"43344411","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Entomopathogenic fungi (EPF) can be an eco-friendly alternative to control pests. To produce large-scale EPF requires underused economical substrates containing high carbon and nitrogen; hence the production could be cost-effective. This study investigates the effects of organic agricultural waste, i.e., rice bran, rice husks, tea dregs, and wheat bran enriched with cricket powder as culture media on the mycelial growth, sporulation, and conidia viability of Beauveria bassiana and the fungal pathogenicity towards Spodoptera litura larvae. For each type of medium, five independent cultures of B. bassiana are treated as replications. B. bassiana grown on a PDA medium is treated as a control. This study shows that rice bran enriched with cricket powder became the most suitable waste medium to support the mass production of virulent B. bassiana. Therefore, rice bran media enriched with cricket powder can be used as an appropriate medium for the mass production of B. bassiana.
{"title":"Performance and Virulence of the Entomopathogenic Fungi Beauveria bassiana Grown in Media Derived from Biodegradable Agricultural Wastes Enriched with Cricket Powder","authors":"Aminudin Afandhi, Rina Rachmawati, Muhammad Akhid Syib’li, Huurul Ainindya Ulihta Zain","doi":"10.17503/agrivita.v45i2.4113","DOIUrl":"https://doi.org/10.17503/agrivita.v45i2.4113","url":null,"abstract":"Entomopathogenic fungi (EPF) can be an eco-friendly alternative to control pests. To produce large-scale EPF requires underused economical substrates containing high carbon and nitrogen; hence the production could be cost-effective. This study investigates the effects of organic agricultural waste, i.e., rice bran, rice husks, tea dregs, and wheat bran enriched with cricket powder as culture media on the mycelial growth, sporulation, and conidia viability of Beauveria bassiana and the fungal pathogenicity towards Spodoptera litura larvae. For each type of medium, five independent cultures of B. bassiana are treated as replications. B. bassiana grown on a PDA medium is treated as a control. This study shows that rice bran enriched with cricket powder became the most suitable waste medium to support the mass production of virulent B. bassiana. Therefore, rice bran media enriched with cricket powder can be used as an appropriate medium for the mass production of B. bassiana.","PeriodicalId":44658,"journal":{"name":"Agrivita","volume":null,"pages":null},"PeriodicalIF":0.8,"publicationDate":"2023-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"43802480","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2023-06-01DOI: 10.17503/agrivita.v45i2.3633
Katokkon Pepper, R. Sjahril, M. Riadi, I. R. Saleh, Novitasari, Ernitha A. Galla, Kasmiati, A. Trisnawaty, N. Panga
Katokkon pepper plant is originated from Toraja, South Sulawesi, Indonesia. This endemic pepper variety has unique hot and spicy characters with a distinctive bell pepper aroma, and aesthetic shape similar to paprika, but with smaller size. This research was conducted to identify ploidy level and plant morphology of colchicine induced Katokkon pepper at Laboratory of Plant Reproduction Bioscience and Biotechnology, Department of Agronomy, Faculty of Agriculture, Universitas Hasanuddin and experimental field of Agricultural Extension System Vocational High School Santo Paulus Tana Toraja (S 03°04’177” E 119°51’526”). Two weeks old seedlings were immersed for 4.5 hours in colchicine concentration (0.00%, 0.0125%, 0.025%, 0.05% and 0.10%). Flow cytometry analysis was carried out using Partec Cy-Flow SpaceTM. Result showed that colchicine concentration (0.025%, 0.05% and 0.1%) produced mixoploid plants with two set of chromosomes (2n=24, 4n=48). This study also found morphological differences between mixoploids plants induced by 0.025%, 0.05% and 0.1% colchicine and diploid plants (0% and 0.0125% colchicine) during first two juvenile leaves phase. However, this difference did not occur further, and eventually morphology of adult mixoploid plant was not significantly different from control (diploid), which concurred to grading mixoploid grade 2. The mixoploid plants analyzed consist of higher diploids cells than tetraploid.
{"title":"Katokkon Pepper (Capsicum chinense Jacq.) Ploidy Determination by Morphological Characteristic and Flow Cytometry Analysis","authors":"Katokkon Pepper, R. Sjahril, M. Riadi, I. R. Saleh, Novitasari, Ernitha A. Galla, Kasmiati, A. Trisnawaty, N. Panga","doi":"10.17503/agrivita.v45i2.3633","DOIUrl":"https://doi.org/10.17503/agrivita.v45i2.3633","url":null,"abstract":"Katokkon pepper plant is originated from Toraja, South Sulawesi, Indonesia. This endemic pepper variety has unique hot and spicy characters with a distinctive bell pepper aroma, and aesthetic shape similar to paprika, but with smaller size. This research was conducted to identify ploidy level and plant morphology of colchicine induced Katokkon pepper at Laboratory of Plant Reproduction Bioscience and Biotechnology, Department of Agronomy, Faculty of Agriculture, Universitas Hasanuddin and experimental field of Agricultural Extension System Vocational High School Santo Paulus Tana Toraja (S 03°04’177” E 119°51’526”). Two weeks old seedlings were immersed for 4.5 hours in colchicine concentration (0.00%, 0.0125%, 0.025%, 0.05% and 0.10%). Flow cytometry analysis was carried out using Partec Cy-Flow SpaceTM. Result showed that colchicine concentration (0.025%, 0.05% and 0.1%) produced mixoploid plants with two set of chromosomes (2n=24, 4n=48). This study also found morphological differences between mixoploids plants induced by 0.025%, 0.05% and 0.1% colchicine and diploid plants (0% and 0.0125% colchicine) during first two juvenile leaves phase. However, this difference did not occur further, and eventually morphology of adult mixoploid plant was not significantly different from control (diploid), which concurred to grading mixoploid grade 2. The mixoploid plants analyzed consist of higher diploids cells than tetraploid.","PeriodicalId":44658,"journal":{"name":"Agrivita","volume":null,"pages":null},"PeriodicalIF":0.8,"publicationDate":"2023-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"43332426","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2023-06-01DOI: 10.17503/agrivita.v45i2.3067
Erly Marwani, Risti Desiyanti, Yeyet Setiawati
In order to examine the potency of a non-typical land for cultivation of Cilembu sweet potato (Rancing cultivars of I. batatas) to generate a similar sweet taste with that when planted in its typical land, evaluation of sweetness, sugar and starch concentration of the cultivated sweet potato was carried out at Cimaung and Cilembu villages. Results indicated that concentration of starch in the fresh tuber that harvested at Cilembu and Cimaung were 37% and 35%, and decreased to 19.6% and 31.5%, within 5 weeks after storage, respectively. High Pressure Liquid Chromatography analysis showed that fresh sweet potato consisted of soluble sugar of fructose, glucose and sucrose, while baked sweet potato showed the presence of maltose, fructose, glucose and sucrose. The total soluble sugar in the freshly harvested sweet potato from Cilembu was higher than that of Cimaung, 4.0% compared to 2.6% and reach maximum to 9.4% and 6.0%, at 4 weeks after storage. Principle component analysis indicated that starch and sugar content significantly showed positive correlation with elevation, rainfall, soil nutrient content, C/N ratio and cation exchange capacity levels. The tubers produced from Cilembu had sweet taste, while those from Cimaung had normal taste.
{"title":"The Evaluation of Sweetness, Starch and Sugar Concentrations of Ipomoea Batatas L. cv. Rancing from Specific Location in the Villages of Cilembu and Cimaung","authors":"Erly Marwani, Risti Desiyanti, Yeyet Setiawati","doi":"10.17503/agrivita.v45i2.3067","DOIUrl":"https://doi.org/10.17503/agrivita.v45i2.3067","url":null,"abstract":"In order to examine the potency of a non-typical land for cultivation of Cilembu sweet potato (Rancing cultivars of I. batatas) to generate a similar sweet taste with that when planted in its typical land, evaluation of sweetness, sugar and starch concentration of the cultivated sweet potato was carried out at Cimaung and Cilembu villages. Results indicated that concentration of starch in the fresh tuber that harvested at Cilembu and Cimaung were 37% and 35%, and decreased to 19.6% and 31.5%, within 5 weeks after storage, respectively. High Pressure Liquid Chromatography analysis showed that fresh sweet potato consisted of soluble sugar of fructose, glucose and sucrose, while baked sweet potato showed the presence of maltose, fructose, glucose and sucrose. The total soluble sugar in the freshly harvested sweet potato from Cilembu was higher than that of Cimaung, 4.0% compared to 2.6% and reach maximum to 9.4% and 6.0%, at 4 weeks after storage. Principle component analysis indicated that starch and sugar content significantly showed positive correlation with elevation, rainfall, soil nutrient content, C/N ratio and cation exchange capacity levels. The tubers produced from Cilembu had sweet taste, while those from Cimaung had normal taste.","PeriodicalId":44658,"journal":{"name":"Agrivita","volume":null,"pages":null},"PeriodicalIF":0.8,"publicationDate":"2023-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"46202501","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2023-02-01DOI: 10.17503/agrivita.v45i1.3837
Dora Fatma Nurshanti, B. Lakitan, M. Hasmeda, Ferlinahayati Ferlinahayati
{"title":"Shoot Emergence, Leaf Expansion, and Corm Growth in Amorphophallus muelleri Blume Treated with Hydropriming and Shading","authors":"Dora Fatma Nurshanti, B. Lakitan, M. Hasmeda, Ferlinahayati Ferlinahayati","doi":"10.17503/agrivita.v45i1.3837","DOIUrl":"https://doi.org/10.17503/agrivita.v45i1.3837","url":null,"abstract":"","PeriodicalId":44658,"journal":{"name":"Agrivita","volume":null,"pages":null},"PeriodicalIF":0.8,"publicationDate":"2023-02-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"45333671","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2023-02-01DOI: 10.17503/agrivita.v45i1.3840
Nurmayulis Nurmayulis, A. Sodiq, F. R. Eris, D. Hastuti, Y. R. Denny, D. Susilowati
{"title":"Molecular Identification of Microbes from the Soil Rhizosphere of Cocoa as A Potential Biofertilizer","authors":"Nurmayulis Nurmayulis, A. Sodiq, F. R. Eris, D. Hastuti, Y. R. Denny, D. Susilowati","doi":"10.17503/agrivita.v45i1.3840","DOIUrl":"https://doi.org/10.17503/agrivita.v45i1.3840","url":null,"abstract":"","PeriodicalId":44658,"journal":{"name":"Agrivita","volume":null,"pages":null},"PeriodicalIF":0.8,"publicationDate":"2023-02-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"47447922","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
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