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Exploring Paddy Profitability Trends: A Comparative Analysis Across Five Major Growing States of India 探索水稻盈利趋势:印度五个主要种植邦的比较分析
Pub Date : 2024-07-07 DOI: 10.23910/2/2024.5306
M. Chanakya, A. Nandi
This research delves into the dynamics between the market value of the product of paddy and the associated costs of its cultivation across prominent paddy producing regions in India. Drawing upon secondary data from the period 2004–05 to 2021–22, generously provided by the Commission for Agricultural Costs and Prices (CACP), this study employs growth models and profitability analyses to shed light on emerging patterns within these key states. A detailed examination reveals Punjab as leading in terms of value growth, closely followed by Andhra Pradesh and West Bengal. In contrast, the escalation in cultivation costs is most pronounced in Andhra Pradesh, with Punjab, West Bengal, and Uttar Pradesh also showing significant figures. Through an insightful profitability assessment, the study demonstrates that paddy cultivation is most lucrative in Punjab, with Andhra Pradesh, Uttar Pradesh, and West Bengal following in descending order of profit margins. This hierarchy of profitability signals an imperative for regions like West Bengal and Uttar Pradesh to elevate the quality and market value of their paddy crops to match the standards seen in Punjab and Andhra Pradesh. The comparative advantage enjoyed by farmers in Punjab and Andhra Pradesh in terms of profit margins underscores the critical importance of enhancing productivity, efficiency, and market connectivity in the lesser-performing states of West Bengal and Uttar Pradesh. Such improvements are essential for boosting profitability in paddy cultivation, thereby contributing to the overall growth and sustainability of the agricultural sector in these regions.
本研究深入探讨了印度主要稻谷产区稻谷产品的市场价值与相关种植成本之间的动态关系。本研究利用农业成本和价格委员会(CACP)慷慨提供的 2004-05 年至 2021-22 年期间的二手数据,采用增长模型和盈利能力分析,揭示了这些主要邦的新兴模式。详细研究表明,旁遮普邦在产值增长方面处于领先地位,安得拉邦和西孟加拉邦紧随其后。相比之下,安得拉邦的种植成本上升最为明显,旁遮普邦、西孟加拉邦和北方邦也显示出显著的数字。通过对利润率的深入评估,研究表明旁遮普邦的水稻种植利润最高,安得拉邦、北方邦和西孟加拉邦的利润率依次递减。这种利润率的等级划分表明,西孟加拉邦和北方邦等地区必须提高其稻谷作物的质量和市场价值,以达到旁遮普邦和安得拉邦的标准。旁遮普邦和安得拉邦的农民在利润率方面享有相对优势,这凸显了在西孟加拉邦和北方邦这些表现较差的邦中提高生产力、效率和市场连通性的极端重要性。这些改进对于提高水稻种植的利润率至关重要,从而有助于这些地区农业部门的整体增长和可持续性。
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引用次数: 0
Biology of Plassey Borer, Chilo tumidicostalis (Hampson) (Crambidae: Lepidoptera) Plassey Borer, Chilo tumidicostalis (Hampson) (Crambidae: Lepidoptera) 的生物学特性
Pub Date : 2024-07-06 DOI: 10.23910/2/2024.5277a
Vishwajeet, Anil Kumar
The experiment was conducted during June to November of 2023 at Bio-control laboratory of Sugarcane Research Institute, Pusa, Samastipur, Bihar, India. The infestation of the Plassey borer started in the month of June and remained prevalent till November month in the field. The infested canes were brought to the laboratory for biological studies. Biological studies of Chilo tumidicostalis Hampson (Crambidae; Lepidoptera) revealed that the female lays eggs in 3–4 batches which averaged 410.64±45.21 eggs per female. The adult female preferred to lay eggs on the live plants only. The incubation period of the eggs was 7.05±0.60 days with hatching percentage as 97.56±0.90%. There was a total of 5 larval instars and the duration of first, second, third, fourth and fifth larval instars were 3.20±0.52, 3.7±0.47, 4.75±0.79, 6.05±0.69 and 6.35±0.67 days, respectively. The pupa and adult showed sexual dimorphism and variation in duration of pupal and adult period. The length of the male and female pupa was26.78±0.10 and 32.85±0.07 mm, respectively. The length of the adult male and female was 11.62±0.15 and 12.74±0.24 mm, respectively. The width of the adult male and female was 24.31±0.63 and 28.73±0.78 mm, respectively. The average pupal period of male and female was 7.25±1.21 and 8.1±1.37 days, respectively. Also, the adult male and female longevity was 3.9±0.64 and 4.8±0.77 days, respectively. The sex ratio was found to be 1:1.24 (male:female).
实验于 2023 年 6 月至 11 月在印度比哈尔邦萨马蒂布尔普萨甘蔗研究所生物防治实验室进行。Plassey borer 的虫害从 6 月份开始,一直持续到 11 月份。受侵染的藤条被带到实验室进行生物研究。对 Chilo tumidicostalis Hampson(蟹科;鳞翅目)的生物学研究表明,雌虫产卵 3-4 批,平均每批产卵 410.64±45.21 粒。成年雌虫只喜欢在活植物上产卵。卵的孵化期为 7.05±0.60 天,孵化率为 97.56±0.90%。幼虫共 5 个龄期,第一、二、三、四、五龄期分别为 3.20±0.52、3.7±0.47、4.75±0.79、6.05±0.69 和 6.35±0.67天。蛹和成虫表现出性双态性,蛹期和成虫期的持续时间也有差异。雌雄蛹的长度分别为(26.78±0.10)毫米和(32.85±0.07)毫米。雌雄成虫体长分别为(11.62±0.15)和(12.74±0.24)毫米。雌雄成虫的宽度分别为 24.31±0.63 mm 和 28.73±0.78 mm。雌雄平均蛹期分别为 7.25±1.21 天和 8.1±1.37天。雌雄成虫的寿命分别为 3.9±0.64 天和 4.8±0.77 天。性别比例为 1:1.24(雌雄)。
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引用次数: 0
Residue Retention and Potassium Nitrate Improvise the Yield and Economics of Wheat Crop 残留物保留和硝酸钾可提高小麦产量和经济效益
Pub Date : 2024-07-06 DOI: 10.23910/2/2024.5281a
M. Jaidka, Amandeep Singh Brar
The experiment was conducted during rabi (October, 2021-April, 2022) season at farmers’ field in the NICRA adopted village Meenia, District Moga, Punjab to check the integrated effect of crop residue management practices and KNO3 spray on the productivity of wheat crop. The trial was replicated four times with eight treatments viz., conventional sowing by residue burning, conventional sowing by residue burning fb foliar spray of KNO3 (2%) at heading and anthesis stage, sowing of wheat with happy seeder, sowing of wheat with happy seeder fb foliar spray of KNO3 (2%) at heading and anthesis stage, sowing of wheat with surface seeding, sowing of wheat with surface seeding fb foliar spray of KNO3 (2%) at heading and anthesis stage, sowing of wheat after incorporation of paddy straw, sowing of wheat after incorporation of paddy straw fb foliar spray of KNO3 (2%) at heading and anthesis stage. Results showed that surface seeding fb KNO3 spray, happy seeder technology fb KNO3 spray recorded significantly higher 1000 grain weight than conventional tillage. Surface seeding and KNO3 spray recorded highest grain yield (4.91 t ha-1) followed by happy seeder and KNO3 spray (4.84 t ha-1). A synergistic effect between CRM technologies and foliar application of KNO3 was recorded where they resulted in 16.65 (4.84 t ha-1), 18.34 (4.91 t ha-1) and 5.38% higher grain yield in comparison to conventional sowing (4.15 t ha-1). A highly significant positive correlation (r=0.449) was recorded between number of grains ear-1 and grain yield. Surface seeding and happy seeder technology significantly increased net returns and B:C of wheat crop than conventional practices.
该试验于 2021 年 10 月至 2022 年 4 月的雨季期间在旁遮普省莫加区 Meenia 村 NICRA 采用的农民田间进行,以检验作物残留物管理方法和 KNO3 喷雾剂对小麦作物产量的综合影响。试验重复了四次,共有八个处理,即常规焚烧残留物播种;常规焚烧残留物播种,同时在小麦生长期和开花期叶面喷洒 2% 的 KNO3;使用快乐播种机播种小麦;使用快乐播种机播种小麦,同时在小麦生长期和开花期叶面喷洒 2% 的 KNO3、在小麦抽穗期和开花期,采用表层播种法播种小麦;在小麦抽穗期和开花期,采用表层播种法播种小麦,同时叶面喷施 2%的 KNO3;在小麦抽穗期和开花期,采用掺入稻草的播种法播种小麦;在小麦抽穗期和开花期,采用掺入稻草的播种法播种小麦,同时叶面喷施 2%的 KNO3。结果表明,喷施 KNO3 的表层播种、喷施 KNO3 的快乐播种机技术的千粒重明显高于传统耕作。地表播种和喷施 KNO3 的谷物产量最高(4.91 吨/公顷-1),其次是快乐播种机和喷施 KNO3 的谷物产量(4.84 吨/公顷-1)。与传统播种(4.15 吨/公顷)相比,CRM 技术与叶面喷施 KNO3 的协同效应分别使谷物产量提高了 16.65(4.84 吨/公顷)、18.34(4.91 吨/公顷)和 5.38%。穗粒数-1 与谷物产量之间存在非常明显的正相关(r=0.449)。与传统方法相比,露地播种和快乐播种机技术大大提高了小麦作物的净收益和 B:C 值。
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引用次数: 0
Effect of Nano-urea on Growth, Productivity and Economics of Transplanted Rice 纳米脲对移栽水稻生长、产量和经济性的影响
Pub Date : 2024-07-01 DOI: 10.23910/2/2024.5333a
Sneha Pedireddy, Manish Kumar, Soumya Saha, Narendra Kumar Nag, T. Chandrakar, D. P. Singh
A field experiment was conducted during July to November of 2021 to assess the effect of nano-urea on growth and productivity of rice at ICAR-Indian Institute of Rice Research, Hyderabad, Telangana State, India. The experiment was laid out in randomized complete block design consisting eight treatments viz., Recommended dose of nitrogen (RDN) through urea (T1), 50% of RDN (urea)+two foliar sprays of nano-urea @ 0.2% at Active tillering (AT) and Panicle initiation (PI) stages (T2), 75% of RDN+two foliar sprays of nano-urea @ 0.2% at AT and PI (T3), 50% of RDN+two foliar sprays of nano-urea @ 0.4%  at (AT and PI) (T4), 75% of RDN+two foliar sprays of nano-urea @ 0.4% at AT and PI (T5), 25% of RDN+Four foliar sprays of nano-urea @ 0.2% at 20,33,50 and 65 DAT (T6), 25% of RDN+Four foliar sprays of nano-urea @ 0.4% 20,33,50 and 65 DAT (T7) and control (no fertilizer application) (T8). Results showed that foliar spray of nano-urea resulted in higher plant height (120.1 cm), tillers number m-2 (265) and dry matter accumulation (741.9 kg ha-1). Yield attributes viz., panicle number m-2, number of grains panicle-1, number of filled grains panicle-1 were significantly influenced by the application of nano-urea. The highest grain yield (5.39 t ha-1) and straw yield (6.73 t ha-1) was recorded with the application of 75% of RDN+two foliar sprays of nano-urea @ 0.4% at AT and PI stages. The application of nano-urea resulted in saving of nitrogen (urea) to an extent of 25%.
2021 年 7 月至 11 月期间,在印度特伦甘纳邦海得拉巴的 ICAR 印度水稻研究所进行了一项田间试验,以评估纳米脲对水稻生长和产量的影响。实验采用随机完全区组设计,包括八个处理,即通过尿素施用推荐剂量的氮(RDN)(T1)、50%的 RDN(尿素)+在有效分蘖(AT)期和圆锥花序(PI)期叶面喷施两次 0.2%的纳米脲(T2)、75%的 RDN+在有效分蘖(AT)期和圆锥花序(PI)期叶面喷施两次 0.2%的纳米脲(T3)、50%的 RDN+在有效分蘖(AT)期和圆锥花序(PI)期叶面喷施两次 0.4% (T4)、75% 的 RDN+ 在 AT 和 PI 叶面喷施两次纳米脲 @ 0.4% (T5)、25% 的 RDN+ 在 20、33、50 和 65 DAT 叶面喷施四次纳米脲 @ 0.2% (T6)、25% 的 RDN+ 在 20、33、50 和 65 DAT 叶面喷施四次纳米脲 @ 0.4% (T7) 和对照(不施肥)(T8)。结果表明,叶面喷施纳米脲可提高株高(120.1 厘米)、分蘖数 m-2 (265)和干物质积累(741.9 千克/公顷)。施用纳米脲对产量属性(即圆锥花序数 m-2、圆锥花序粒数-1、圆锥花序填充粒数-1)有显著影响。在 AT 期和 PI 期施用 75% 的 RDN+2 次叶面喷施纳米脲 @ 0.4%,谷物产量(5.39 吨/公顷-1)和秸秆产量(6.73 吨/公顷-1)最高。施用纳米脲节省了 25% 的氮(尿素)。
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引用次数: 0
Performance of Guava Stem Cutting – A Review of Successful Though Non-commercial Propagation Method 番石榴茎切片的性能--非商业性成功繁殖方法综述
Pub Date : 2024-05-20 DOI: 10.23910/2/2024.5020b
C. J. Joshi
Propagation of Guava (Psidium guajava L.) can be successfully performed by stem cutting as demonstrated by many researchers time to time. Though, guava is found hard to root, use of root inducing hormone (IBA, IAA, NAA etc.), rejuvenating techniques (fungicide, wounding, Girdling etc.), growth supporting media (silt, Sand, cocopeat, vermicompost, vermiculite etc.) and suitable protected environment (mist house, polyhouse, net house etc.) ease the rooting of cutting. Despite of the fact that propagation through cutting is easiest and most convenient method of vegetative propagation to regenerate numerous planting materials in short duration, wedge grafting is still recommended as commercial method of propagation in Guava. This scenario raises the question on potentiality of stem cutting as viable propagation method. This might be due to complex mechanism behind guava stem cutting propagation which results in inconsistent and highly variable results. Moreover, propagation involves multiple factors which have combined influence on the performance of stem cutting viz., preparation of cutting, preconditioning treatment, season of taking cutting, type of cutting, chemical treatment, growing environment, growing media and container. Therefore, to establish guava stem cutting as viable and commercial propagation technique, in depth study of these factors is vital. This paper briefly discusses the research so far has done with relevance to various factors influencing performance of guava stem cutting while indicating possible future research directions for more encouraging and consistent results.
许多研究人员都证明,番石榴(Psidium guajava L.)可以通过茎切法成功繁殖。虽然番石榴很难生根,但使用生根诱导激素(IBA、IAA、NAA 等)、恢复活力技术(杀菌剂、伤口处理、疏枝等)、生长支持介质(淤泥、沙土、椰糠、蛭石等)和适当的保护环境(雾屋、聚温室、网室等)都能促进扦插生根。尽管扦插繁殖是最简单、最方便的无性繁殖方法,可在短期内再生出大量种植材料,但楔形嫁接仍被推荐为番石榴的商业繁殖方法。这种情况提出了茎切作为可行繁殖方法的潜力问题。这可能是由于番石榴茎切繁殖背后的复杂机制导致结果不一致且差异很大。此外,茎切繁殖涉及多个因素,这些因素对茎切繁殖的性能有综合影响,即切口准备、预处理、切口季节、切口类型、化学处理、生长环境、生长介质和容器。因此,要将番石榴茎插作为可行的商业繁殖技术,对这些因素进行深入研究至关重要。本文简要讨论了迄今为止与影响番石榴茎切法性能的各种因素有关的研究,同时指出了未来可能的研究方向,以获得更令人鼓舞和一致的结果。
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引用次数: 0
A Study on Mass Media Preferences and Constraints Faces by the Farmers in Imphal East District Manipur 关于曼尼普尔邦英帕尔东区农民对大众媒体的偏好和面临的制约因素的研究
Pub Date : 2024-03-16 DOI: 10.23910/2/2023.4939b
Baldev Singh, Angad Prasad, Ngangom Diyarani Chanu, R. Amulya, Yuvaraj S.
A research study was conducted during March–April, 2023 at Imphal East, Manipur, India to gain insights into the preferences and constraints of farmers concerning their utilization of mass media. Two blocks were select randomly and from each block two villages were selected randomly; a total 120 respondents were interviewed through structured scheduled. Mean, frequency, percentage and garret ranking method were used to analysis the data and to find out the appropriate result. The outcomes illuminated that, among the farmers, mobile phones emerged as the most favored mass media, trailed by television, radio, newspapers, and agricultural magazines. The major constraints faced by farmers in the case of television were a lack of market availability of suggested inputs (59.16%), a lack of use of a complex technical word (44.16%) in radio, a lack of use of a complex technical word (46.66%) in newspapers, no one subscribe to any farm magazine (94.16%) in farm magazines, and a lack of awareness of mobile applications related to agriculture (56.66%) on mobile phones. This study underscores the pivotal role of mass media in rural areas and highlights the challenges tied to specific mass media.
2023 年 3 月至 4 月期间,在印度曼尼普尔邦英帕尔东部开展了一项研究,以深入了解农民在利用大众媒体方面的偏好和制约因素。研究随机抽取了两个区,每个区随机抽取了两个村庄,通过结构化安排对 120 名受访者进行了访谈。采用平均值、频率、百分比和加勒特排序法对数据进行分析,以找出适当的结果。结果表明,在农民中,手机是最受欢迎的大众媒体,其次是电视、广播、报纸和农业杂志。在电视方面,农民面临的主要制约因素是市场上缺乏所建议的投入(59.16%),在广播方面,缺乏使用复杂的专业词汇(44.16%),在报纸方面,缺乏使用复杂的专业词汇(46.66%),在农业杂志方面,没有人订阅任何农业杂志(94.16%),以及缺乏对手机上与农业有关的移动应用程序的认识(56.66%)。这项研究强调了大众传媒在农村地区的关键作用,并突出了与特定大众传媒相关的挑战。
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引用次数: 0
Effect of Microbial Consortia on Soil Health, Nutrient Uptake and Yield of Soybean Grown in a Vertisol of Central India 微生物群对印度中部垂直土壤中大豆的土壤健康、养分吸收和产量的影响
Pub Date : 2024-02-24 DOI: 10.23910/2/2024.5088a
R. K. Sahu, Iram Zehra Naqvi, G. Tagore, Vikash, R. K. Thakur, Shailu Yadav, N. G. Mitra
A field experiment was carried out in the research farm of the Jawaharlal Nehru Krishi Vishwa Vidhyalaya, Jabalpur, Madhya Pradesh, India during Kharif season of 2021-22. The experiment was performed with nine treatments comprised by Rhizobium, Pseudomonas, EM and their consortia with FUI and UFUI (absolute control) in randomized block design. The soybean crop was grown in the field along with recommended package of practices. The result showed that the yield of soybean was 43% higher (2351 kg ha -1) than control FUI and better uptake of N (145 kg ha-1 by seed and 125.6 kg ha-1 by straw), P (7.9 kg ha-1 by seed and 14.9 kg ha-1 by straw) and K (42.3 kg ha-1 by seed and 65.0 kg ha-1 by straw) by soybean were found due to inoculation of microbial consortia of Rhizobium, Pseudomonas and EM culture. The Physico-chemical properties (pH, EC and OC), availability of nutrients (NPK with vales of 288, 29 and 335 kg ha-1 respectively), enzymatic activities (Acid phosphatase, alkaline phosphatase and  dehydrogenase activities with values of 42.2, 69. 8 µg PNG h-1 g-1 of  soil  and 12.9 μg TPF hr-1 g-1 of soil, respectively) and microbial population (Rhizobium by 35.1×106, total bacteria by 39.3×107, fungi by 41.9×104 and actinomycetes by 38.7×103 cfu g-1 soil) in soil also improved with the same treatment as compared to FUI. It is strongly recommended that the inoculation of microbial consortia improved the soil health and soybean production too instead of single inoculation by modulating microbial population which improves the soil health by nutrient fixation, solubilization and mobilization and plant growth promotion.
在 2021-22 年印度中央邦贾巴尔普尔贾瓦哈拉尔-尼赫鲁-克里希-维什瓦-维迪亚拉亚学院的研究农场进行了一项田间试验。实验采用随机区组设计,共设 9 个处理,包括根瘤菌、假单胞菌、EM 菌及其联合菌群,以及 FUI 和 UFUI(绝对对照)。大豆作物在田间种植时采用了推荐的一揽子措施。结果表明,大豆产量(2351 千克/公顷-1)比对照 FUI 高 43%,大豆对氮(种子 145 千克/公顷-1,秸秆 125.6 千克/公顷-1)、磷(种子 7.9 千克/公顷-1,秸秆 14.9 千克/公顷-1)和钾(种子 42.3 千克/公顷-1,秸秆 65.0 千克/公顷-1)的吸收率也因接种了根瘤菌、假单胞菌和 EM 培养物的微生物联合菌群而提高。大豆的物理化学特性(pH 值、EC 值和 OC 值)、养分供应量(氮磷钾含量,分别为 288、29 和 335 千克/公顷-1)、酶活性(酸性磷酸酶、碱性磷酸酶和脱氢酶活性,分别为 42.2、69.8 µg PNG h-1 g与 FUI 相比,土壤中的酶活性(酸性磷酸酶、碱性磷酸酶和氢化酶活性值分别为 42.2、69.8 µg PNG h-1 g-1 土壤和 12.9 μg TPF hr-1 g-1 土壤)和微生物数量(根瘤菌增加 35.1×106、细菌总数增加 39.3×107、真菌增加 41.9×104、放线菌增加 38.7×103 cfu g-1 土壤)也在相同处理下得到了提高。强烈建议接种微生物菌群,而不是单一接种,因为接种微生物菌群可以通过养分固定、溶解和动员以及促进植物生长来改善土壤健康,从而提高大豆产量。
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引用次数: 0
Assessing Genetic Variability in Taramira (Eruca sativa Mill.) Germplasm for Enhanced Breeding Strategies 评估塔拉米拉(Eruca sativa Mill.)种质的遗传变异性以改进育种策略
Pub Date : 2024-02-22 DOI: 10.23910/2/2024.5137
Sukhjot Singh, Manohar Ram, Deepak Gupta, Manoj Kumar Meena, P. K. Nayak, Komal Choudhary, Rahul, Rajneesh Kumar, Shambhu Chouhan
The present research was carried out to estimate the genetic variability for 13 characters among 30 different germplasm of Taramira (Eruca sativa Mill.) in a randomized block design with three replications over four artificially created environments through different dates of sowing (timely sown 17 Oct. and late sown 5 Nov.) with (Orobanche free and Orobanche infested field) i.e. timely sown, Orobanche free (E1 ), timely sown, Orobanche infested (E2 ), late sown, Orobanche free (E3 ), late sown, Orobanche infested (E4 ) at Research farm of SKN College of Agriculture, Jobner (SKNAU, Jobner) during the rabi 2022–23. Pooled Anova revealed significant differences among germplasm, environments and G×E interaction significant for all the traits except days to maturity, primary branches per plant, siliqua length (cm). Therefore, analysis of variance is carried out separately for each environment, indicated significant differences among all traits. In all four environments, the PCV>GCV value for all characters.  After comparing the mean and range for yield and different yield attributing traits in all four environments, it was found that both were highest in E1 for most of the traits. The high heritability coupled with high genetic advance as percentage of mean for all four environments revealed that characteristics such as height of first branch emergence (cm), seeds per siliqua, 1000-seed weight (g) and seed yield per plant (g) had high value. As a result, they might be under the control of additive gene action. Therefore, selection for these characters will be highly responsive.
本研究采用随机区组设计,通过不同的播种日期(10 月 17 日适时播种和 11 月 5 日晚播),在四种人工创造的环境中进行三次重复,估算了 30 种不同塔拉米拉(Eruca sativa Mill.)种质 13 个特征的遗传变异性。即适时播种、无石狒狒(E1),适时播种、有石狒狒(E2),晚播、无石狒狒(E3),晚播、有石狒狒(E4)。集合方差分析结果表明,除成熟天数、每株主枝、纤毛长度(厘米)外,种质、环境和 G×E 交互作用在所有性状上都存在显著差异。因此,对每种环境分别进行方差分析,结果表明所有性状之间都存在显著差异。在所有四种环境中,所有性状的 PCV 值均大于GCV 值。 在比较了所有四种环境中产量和不同产量性状的平均值和范围后,发现 E1 环境中大多数性状的平均值和范围都最高。在所有四种环境中,高遗传率和高遗传进展(占平均值的百分比)表明,第一枝萌发高度(厘米)、每粒种子、1000 粒种子重量(克)和每株种子产量(克)等性状具有较高的价值。因此,它们可能受加性基因作用的控制。因此,对这些特征的选择将具有很高的响应性。
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引用次数: 0
Effect of Antagonists and Botanicals Against Xanthomonas oryzae pv. oryzae In Vitro 拮抗剂和植物药对黄单胞菌(Xanthomonas oryzae pv. oryzae)体外培养的影响
Pub Date : 2024-02-21 DOI: 10.23910/2/2024.5088c
Bhukya Srinivas, V. A. Patil, C. U. Shinde, Priya John, Y. A. Garde, R. R. Waghunde
The present study was conducted during kharif (July-November, 2020) at the Department of plant pathology, N. M. College of Agriculture, Navsari Agricultural University, Navsari, Gujarat (396 450), India to examine the efficacy of four recognized antagonists and a control against Xanthomonas oryzae pv. oryzae. By employing paper disc method the results indicated that Bacillus subtilis exhibited the highest radius of inhibition. Following this, Pseudomonas fluorescens, Trichoderma harzianum and Trichoderma viride were identified as the next most effective antagonists. In addition, ten different botanical extracts, including a control, were examined for their inhibitory impact on the bacterial growth of bacterial blight at a 5% concentration using the poisoned food technique. Among these extracts, garlic clove extract demonstrated the maximum inhibition radius against the pathogen, followed by tulsi leaf extract and neem leaf extract, attributed to potent toxic principles. Conversely, extracts from karanj, nilgiri, dhatura, jetropha and rhizomes of ginger, turmeric and onion bulb were found to be less effective against Xanthomonas oryzae pv. oryzae. The goal of this study provided valuable insights to determine the potential antagonists and botanicals against bacterial blight of rice in vitro with experimental design of Completely Randomized Design which offer a cost effective solution for the disease, in increasing crop yield to the rice growing farmers of Gujarat without disturbing ecosystem and without creating the problems of pollution.
本研究在印度古吉拉特邦纳夫萨里(Navsari,396 450)纳夫萨里农业大学N. M. 农学院植物病理学系进行,目的是研究四种公认的拮抗剂和一种对照对黄单胞菌(Xanthomonas oryzae pv. oryzae)的药效。通过纸盘法,结果表明枯草芽孢杆菌的抑制半径最大。其次是荧光假单胞菌、哈氏毛霉菌和病毒毛霉菌。此外,还使用有毒食品技术检测了 10 种不同的植物提取物(包括对照)对浓度为 5%的细菌性枯萎病细菌生长的抑制作用。在这些萃取物中,大蒜丁香萃取物对病原体的抑制半径最大,其次是土尔其叶萃取物和印楝叶萃取物,这归功于其有效的毒性原理。相反,卡兰吉、尼尔基里、达图拉、水杨梅以及生姜、姜黄和洋葱根茎的提取物对黄单胞菌oryzae pv.oryzae的抑制效果较差。这项研究的目标是通过完全随机设计的实验设计,确定潜在的拮抗剂和植物药对水稻细菌性枯萎病的体外抗病效果,为古吉拉特邦种植水稻的农民提供一种低成本高效益的病害解决方案,在不破坏生态系统和不造成污染问题的情况下提高作物产量。
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引用次数: 0
Impact of Abiotic Factors on Occurrence of Capsule Borer and Sucking Pests in Sesamum 非生物因素对芝麻蛀囊虫和吸浆虫发生的影响
Pub Date : 2024-02-20 DOI: 10.23910/2/2024.5076b
P. Divya, S. Dhurua, M. Chalam, S. G. Rao, Gummadidala Chaitanya
A field experiment was conducted at Agricultural college, Naira, Srikakulam, Andhra Pradesh, India during early summer (January–April) of 2021 to know about the incidence of leaf webber and sucking pests viz., leafhopper (Hishimonus phycitis Distant) and whitefly (Bemisia tabaci Gennadius) its relation with main weather factors. Results revealed that a peak incidence of mean capsule borer population per plant were recorded in 9th and 11th standard weeks, respectively. The correlation study revealed that the Antigastra larvae had significantly positive correlation with maximum temperature (r=0.48) and significantly negative correlation with relative humidity (r=- 0.71). The regression analysis revealed that these factors accounted for approximately 59.8% of the variation in the capsule borer population (R2=0.598). The incidence of leafhopper (Hishimonus phycitis Distant) and whitefly (Bemisia tabaci Gennadius) were started during 5th and 4th SMW attained their peaks during 11th an 12th SMW respectively. The correlation study revealed that the leafhopper showed significant positive correlation with maximum temperature (r=0.623) and minimum temperature (r=0.283) and significantly negatively correlated with morning and evening relative humidity (r=-0.165, r=-0.122) respectively. While the correlation study between whitefly population and weather parameters revealed that the it showed positive correlation with maximum (r=0.821) and minimum (r=0.120) temperature and negatively correlated with morning and evening relative humidity (r=-0.097, r=-0.182) respectively whereas, rainfall showed non-significant correlation (r=0.00) with the both sucking pests.
2021 年初夏(1 月至 4 月)期间,在印度安得拉邦斯里卡库拉姆的奈拉农业学院进行了一项田间试验,以了解叶蝉(Hishimonus phycitis Distant)和粉虱(Bemisia tabaci Gennadius)等啮叶害虫和吸浆害虫的发生率及其与主要天气因素的关系。结果表明,每株平均蛀囊虫数量的峰值分别出现在第 9 和第 11 个标准周。相关性研究表明,蚁螟幼虫与最高温度呈显著正相关(r=0.48),与相对湿度呈显著负相关(r=- 0.71)。回归分析表明,这些因素约占蒴果螟数量变化的 59.8%(R2=0.598)。叶蝉(Hishimonus phycitis Distant)和粉虱(Bemisia tabaci Gennadius)的发生率分别从第 5 和第 4 个法定最低日开始,在第 11 和第 12 个法定最低日达到高峰。相关性研究表明,叶蝉与最高温度(r=0.623)和最低温度(r=0.283)呈显著正相关,与早晚相对湿度(r=-0.165,r=-0.122)分别呈显著负相关。粉虱数量与天气参数的相关性研究表明,粉虱与最高温度(r=0.821)和最低温度(r=0.120)呈正相关,与早晚相对湿度(r=-0.097,r=-0.182)分别呈负相关,而降雨量与这两种吸浆害虫的相关性不显著(r=0.00)。
{"title":"Impact of Abiotic Factors on Occurrence of Capsule Borer and Sucking Pests in Sesamum","authors":"P. Divya, S. Dhurua, M. Chalam, S. G. Rao, Gummadidala Chaitanya","doi":"10.23910/2/2024.5076b","DOIUrl":"https://doi.org/10.23910/2/2024.5076b","url":null,"abstract":"A field experiment was conducted at Agricultural college, Naira, Srikakulam, Andhra Pradesh, India during early summer (January–April) of 2021 to know about the incidence of leaf webber and sucking pests viz., leafhopper (Hishimonus phycitis Distant) and whitefly (Bemisia tabaci Gennadius) its relation with main weather factors. Results revealed that a peak incidence of mean capsule borer population per plant were recorded in 9th and 11th standard weeks, respectively. The correlation study revealed that the Antigastra larvae had significantly positive correlation with maximum temperature (r=0.48) and significantly negative correlation with relative humidity (r=- 0.71). The regression analysis revealed that these factors accounted for approximately 59.8% of the variation in the capsule borer population (R2=0.598). The incidence of leafhopper (Hishimonus phycitis Distant) and whitefly (Bemisia tabaci Gennadius) were started during 5th and 4th SMW attained their peaks during 11th an 12th SMW respectively. The correlation study revealed that the leafhopper showed significant positive correlation with maximum temperature (r=0.623) and minimum temperature (r=0.283) and significantly negatively correlated with morning and evening relative humidity (r=-0.165, r=-0.122) respectively. While the correlation study between whitefly population and weather parameters revealed that the it showed positive correlation with maximum (r=0.821) and minimum (r=0.120) temperature and negatively correlated with morning and evening relative humidity (r=-0.097, r=-0.182) respectively whereas, rainfall showed non-significant correlation (r=0.00) with the both sucking pests.","PeriodicalId":13829,"journal":{"name":"International Journal of Economic Plants","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2024-02-20","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"140448720","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}
引用次数: 0
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International Journal of Economic Plants
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