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DIFFERENT PRUNING INTENSITIES INFLUENCES YIELD AND QUALITY OF GUAVA CV. GOLA 不同修剪强度对番石榴产量和品质的影响。反曲线
Pub Date : 2023-03-07 DOI: 10.58475/2023.61.1.1648
S. Riaz, M. Nasir, Naseem Sharif, Maaz Aziz, Matee Ullah, A. Aziz
The current experiment was carried out at Horticultural Research Institute, Ayub Agricultural Research Institute, Faisalabad, Pakistan during the year 2017-18 to evaluate impact of various pruning intensities on quality and yield of guava fruit (Psidium guajava L.). Various pruning intensities viz. control (no pruning), 25% pruning, 50% pruning and 75% pruning were carried out after harvesting of winter crop (in the month of April). Results showed that maximum flower count/shoot (18 number), fruit number/plant (2237), yield/plant (172.6 kg/tree), average fruit weight (102 g) and SSC (8.11%) were found with 25% pruning intensity; whereas, minimum fruit number/plant (720) and yield (70.11 kg/plant) was found in trees treated with 75% pruning intensity. Maximum fruit length (57.49 mm) and fruit width (64.75 mm) was observed in 25% pruned trees. It can be concluded that among various pruning intensities 25% pruning level is best to increase quality and yield guava fruit.
本实验于2017-18年在巴基斯坦费萨拉巴德阿尤布农业研究所园艺研究所进行,以评估不同修剪强度对番石榴果实(Psidium guajava L.)质量和产量的影响,50%的修剪和75%的修剪是在冬季作物收割后(4月份)进行的。结果表明,在25%的修剪强度下,单株花数(18个)、单株果数(2237个)、产量(172.6kg/株)、平均果重(102g)和SSC(8.11%)最高;而在修剪强度为75%的树木中,每株果实数(720)和产量(70.11公斤/株)最低。在25%的修剪树木中观察到最大果实长度(57.49毫米)和果实宽度(64.75毫米)。结果表明,在不同的修剪强度中,25%的修剪水平对番石榴果实的品质和产量最好。
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引用次数: 0
COMPARATIVE EFFECT OF INTEGRATED FERTILIZATION APPROACHES ON SOIL HEALTH AND CROP PRODUCTIVITY OF WHEAT (TRITICUM AESTIVUM L.) UNDER DIFFERENT TILLAGE SYSTEMS 不同施肥方式对小麦土壤健康和作物生产力的影响比较在不同耕作制度下
Pub Date : 2023-03-07 DOI: 10.58475/2023.61.1.1820
M. Nadeem, M. A. Haq, Irfan Iftikhar, M. Awais, Tasawar Ali, R. Ejaz, W. Umar, R. Ullah
The study was conducted at Institute of Soil and Environmental Sciences, University of Agriculture, Faisalabad, Pakistan to monitor the impact assessment of tillage systems on soil health indicators by integrating organic and inorganic resources to sustain wheat production in arid and semi-arid conditions i.e. high temperature and low rainfall. The field experiment was conducted in 2019-20 and carried out in alkaline soil (pH 8.2) with low organic matter (0.45%) to grow wheat after rice and treatments were arranged in randomized complete block design. Farmyard manure (FYM 20.5 Mg/ha), rice crop residues application (CRA 100%) and chemical fertilizers (CF) N-P-K 100-80-60 kg/ha, respectively were used under conventional and conservation tillage systems. During this research different growth and yield parameters were noted and evaluated the level of N, P, K and organic matter contents from soil and plant at the harvest. The results indicated that the combined application of FYM and CRA with CF improved the chlorophyll contents (20% in conventional tillage and 39% in conservation tillage) which helped in nutrient translocation (N, P, K) and increased growth, biological and grain yield by improving soil organic carbon (SOC) and organic matter contents in soil. Growth parameter i.e. germination percentage upto 64%, plant height 27% and spike length upto 35% were increased by T7 . The conservation tillage method was the best where we used T7 i.e. CF + 25% FYM + 50% CRA, and CF + 50% FYM + 25% CRA by conserving moisture and built OM (0.90%), soil organic carbon (0.49%) and mineral nutrition in soil as well as in wheat leaves. It is concluded that the integrated use of organic and inorganic resources are helpful for sustainable wheat production by enhancing fertilizer use efficiency (FUE) to improve soil health especially in arid to semi-arid climate conditions in alkaline soil.
这项研究是在巴基斯坦费萨拉巴德农业大学土壤与环境科学研究所进行的,目的是通过整合有机和无机资源,在干旱和半干旱条件下(即高温和低降雨量)维持小麦生产,监测耕作系统对土壤健康指标的影响评估。田间试验于2019-20年进行,在低有机质(0.45%)的碱性土壤(pH 8.2)中继稻后种植小麦,并采用随机完全区组设计进行处理。在常规和保护性耕作制度下,分别使用农家肥(FYM 20.5 Mg/ha)、水稻作物残留物施用(CRA 100%)和化肥(CF)N-P-K 100-80-60kg/ha。在这项研究中,记录了不同的生长和产量参数,并评估了收获时土壤和植物的N、P、K和有机质含量水平。结果表明,FYM和CRA与CF的联合施用提高了叶绿素含量(常规耕作为20%,保护性耕作为39%),通过提高土壤有机碳(SOC)和有机质含量,有助于养分迁移(N、P、K),并提高了生长、生物和粮食产量。T7提高了生长参数,即发芽率达64%,株高达27%,穗长达35%。保护性耕作方法是最好的,我们使用T7,即CF+25%FYM+50%CRA和CF+50%FYM+25%CRA,通过保持水分和在土壤和小麦叶片中建立OM(0.90%)、土壤有机碳(0.49%)和矿物质营养。结果表明,有机和无机资源的综合利用有助于提高肥料利用效率,改善土壤健康,特别是在干旱至半干旱的碱性土壤气候条件下,有助于小麦的可持续生产。
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引用次数: 1
EFFICIENCY OF NITROGEN FIXING, NODULATION FORMATION, PHOSPHATE SOLUBILIZING BACTERIA AND PLANT GROWTH PROMOTING RHIZOBACTERIA ON YIELD OF CHICKPEA 固氮、结瘤、增磷菌和促根菌对鹰嘴豆产量的影响
Pub Date : 2023-03-07 DOI: 10.58475/2023.61.1.1826
Muhammad Ramzan, Muhammad Anayat Ullah, Mudassar Khaliq, Muneer Abbas, Zubeda Parveen, Muhammad Irshad
Chickpea is an important nodules producing pulse crop of Thal. To enhance nitrogen fixation for higher yield, the effect of bacterial strains on nodulation was evaluated for yield contributing traits of chickpea at Arid Zone Research Institute, Bhakkar, Pakistan during 2019-20. Six Rhizobium inoculations i.e. Providencia vermicola, Enterobacter cloacae, Bacillus mojavensis, Mesorhizobium ciceri-11, Mesorhizobium ciceri-1 and Bacillus subtilis were tested on two chickpea genotypes i.e. Bhakkar-2011 and Thal-2020. A consortium of six bacterial strains was applied at the time of sowing as a seed coating on a sandy soil. Results showed a significant increase in height/plant, nodulation, 100 grain weight, pods/plant and grain yield (kg/ha) due to bacterial inoculation. Nodules/plant were also increased from 44.08 to 76.16. Maximum number of nodules plant-1 were counted as 76.16 with 2.59 g fresh and 0.64 g dry weight per plant in treatment combination viz. Thal-2020 × RP08+RS14+RZ11 thus showing the specific symbiotic relationship among the genotypes and Rhizobium inoculum. In comparison to the control, the PSB, nitrogen-fixing bacteria and rhizobium inoculum results were 52 % increase in pods/ plant. The maximum number of pods/plant (116.00) and100 grain weight (27.73 g) were recorded in V1 × T1 (RP08+RS14+ RZ11). The weight of 100 grains was increased by 40% over the control. T1 had the highest 100 grain weight of 27.73 g, followed by V1 x T3 with a 100 grain weight of 26.22 g. PSB, nitrogen fixation bacteria and PSB inoculation substantially improved pulse crop 100 grain weight and yield. Thal-2020 had the highest grain yield of 3732 kg/ha, while V2 (Bhakkar-2011) had the lowest at 3516 kg/ha. Inoculation with rhizobium consortium improved grain yield by 30% (2617 to 3732 kg/ha). Hence, it was concluded that among all the treatments of Rhizobium consortium, N-fixing bacteria and PSB influenced a beneficial effect on chickpea grain yield quality and quantity.
鹰嘴豆是我国重要的结瘤脉冲作物。2019- 2020年,在巴基斯坦Bhakkar干旱区研究所,研究了不同菌株对鹰嘴豆结瘤的影响,以提高产量。采用6种根瘤菌接种法对2个鹰嘴豆基因型(bhakka -2011和Thal-2020)进行了试验,分别为蛭状芽孢杆菌、阴沟肠杆菌、莫氏芽孢杆菌、西塞中根菌-11、西塞中根菌-1和枯草芽孢杆菌。在播种时,在沙质土壤上施用六种细菌菌株作为种子包衣。结果表明,接种细菌显著提高了水稻株高、结瘤率、百粒重、单株荚果数和籽粒产量(kg/ha)。根瘤/株数也从44.08增加到76.16。在Thal-2020 × RP08+RS14+RZ11处理组合中,植株根瘤菌数量最多,为76.16个,单株鲜重2.59 g,干重0.64 g,显示了根瘤菌接种量与基因型之间的特定共生关系。荚果/株中PSB、固氮菌和根瘤菌的接种量比对照提高了52%。V1 × T1 (RP08+RS14+ RZ11)单株最大荚果数(116.00)和百粒重(27.73 g)。百粒重比对照提高了40%。T1百粒重最高,为27.73 g, V1 × T3次之,百粒重为26.22 g。PSB、固氮菌和接种PSB可显著提高脉冲作物百粒重和产量。塔尔-2020籽粒产量最高,为3732 kg/ha, V2(巴克卡-2011)最低,为3516 kg/ha。接种根瘤菌联合体可使籽粒产量提高30% (2617 ~ 3732 kg/ha)。综上所述,在根瘤菌组合的所有处理中,固氮菌和PSB对鹰嘴豆籽粒产量、品质和数量均有有利影响。
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引用次数: 0
MULTIFUNCTIONAL PLANT’S CALMODULIN IN HEAT SHOCK SIGNAL TRANSDUCTIONAL PATHWAYS 多功能植物钙调素在热休克信号转导通路中的作用
Pub Date : 2023-03-07 DOI: 10.58475/2023.61.1.1902
A. Kanwal, Z. Ali, M. Zulkiffal, Muhammad Abdullah, Qamar Shakil, Sadia Kaukab, Javed Iqbal, S. Habib, S. Shahzad, Ali Bakhash
Thermo-stress effects growth, developments and productivity of crops and plant cope with stress by adopting different mechanism including physiological, bio-chemical and genetic. Calmodulin is calcium binding protein in plant with multifunction to modulate thermo-stress by calcium based signaling process. Many diverse types of calcium sensors release owing to varying concentration of calcium (stimulus). In plants, CaM (calmodulin) is the most important calcium sensor. Achievements in designing of complete genomes of different crops have prompted to explicate and classify various CaM binding proteins. Genetic studies on CaM revealed that it contains multiple proteins, unique kinases and transcriptional factors which help the plants in adaptation against heat stress conditions. Crop improvement could be only possible by having satisfactory acquaintance on stress tolerance mechanism and a brief knowledge on CaM and its related proteins would be obliging in order to acquire its proper functions in plant growth and developmental pathways under extreme conditons. However, current review was conducted to check the role of CaM in heat stress modulation in plants and current research evaluation in this prespectives.
热胁迫影响作物的生长发育和生产力,植物通过生理、生化和遗传等多种机制来应对。钙调素是植物体内具有多种功能的钙结合蛋白,通过钙基信号过程调节温度胁迫。许多不同类型的钙传感器由于钙(刺激)浓度的变化而释放。在植物中,钙调素(CaM)是最重要的钙传感器。不同作物全基因组的设计成就促使人们对各种CaM结合蛋白进行了解释和分类。对CaM的遗传研究表明,它含有多种蛋白质、独特的激酶和转录因子,有助于植物适应热胁迫条件。只有对作物的抗逆性机制有充分的了解,并对CaM及其相关蛋白有初步的了解,才能在极端条件下获得其在植物生长发育途径中的正确功能,才能对作物进行改良。本文就CaM在植物热胁迫调节中的作用及其研究现状进行了综述。
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引用次数: 0
PRECURSOR-INOCULUM INTERACTION FOR THE GROWTH PROMOTION OF COTTON UNDER FIELD CONDITIONS 田间条件下前体-接种剂互作促进棉花生长的研究
Pub Date : 2023-03-07 DOI: 10.58475/2023.61.1.1917
Khalid Mahmood, Shahid Nazir, Muhammad Amjad Qureshi, Sajid ur Rahman, Muhammad Asif Ali
The present experiment was conducted during 2019-2021 at Agricultural Biotechnology Research Institute, Ayub Agricultural Research Institute, Faisalabad, Pakistan. The yield of local BT cotton variety FH-142 was evaluated using different combinations of rhizobacteria (free living diazotroph and phosphate solubilizer) with auxin precursor L-tryptophan (L-TRP). The experiment was comprised of seven treatments under Randomized Complete Block Design (RCBD) replicated thrice. The experiment was repeated for consecutive three years to find the effect of microbial inoculants with auxin precursor L-TRP and mean of three years was reported in the manuscript. The microbial inoculants were applied as seed coating. The bacterial inoculation showed promising results as compared to control. However, the consortium of PGPR and P-solubilizer with precursor had the significant effects on cotton yield during all three years of experiment. The consortium increased the yield parameters of cotton i.e., 1810 kg/ha in comparison with un-inoculated control i.e., 1672 kg/ha. Individual applications of PGPR and P-solubilizer also had significant effect on the yield compared to control. Hence, it was concluded that the interaction of bacterial consortium and precursor (precursor inoculum interaction) proved to be the best to improve the cotton yield.
本试验于2019-2021年在巴基斯坦费萨拉巴德Ayub农业研究所农业生物技术研究所进行。采用根瘤菌(游离重氮营养菌和磷酸盐增溶剂)与生长素前体l -色氨酸(L-TRP)的不同组合,对当地BT棉品种FH-142的产量进行了评价。试验采用随机完全区组设计(RCBD),共7个处理,重复3次。本实验连续三年重复进行,以发现微生物接种剂对生长素前体L-TRP的影响,文中平均三年报道。采用微生物接种剂作为种子包衣。与对照相比,细菌接种显示出良好的结果。但在3年的试验中,PGPR与p -增溶剂及前驱体联合施用对棉花产量的影响均显著。与未接种对照(1672 kg/ha)相比,该组合可使棉花产量参数提高1810 kg/ha。与对照相比,单独施用PGPR和p增溶剂对产量也有显著影响。综上所述,细菌联合体与前体相互作用(前体接种物相互作用)是提高棉花产量的最佳途径。
{"title":"PRECURSOR-INOCULUM INTERACTION FOR THE GROWTH PROMOTION OF COTTON UNDER FIELD CONDITIONS","authors":"Khalid Mahmood, Shahid Nazir, Muhammad Amjad Qureshi, Sajid ur Rahman, Muhammad Asif Ali","doi":"10.58475/2023.61.1.1917","DOIUrl":"https://doi.org/10.58475/2023.61.1.1917","url":null,"abstract":"The present experiment was conducted during 2019-2021 at Agricultural Biotechnology Research Institute, Ayub Agricultural Research Institute, Faisalabad, Pakistan. The yield of local BT cotton variety FH-142 was evaluated using different combinations of rhizobacteria (free living diazotroph and phosphate solubilizer) with auxin precursor L-tryptophan (L-TRP). The experiment was comprised of seven treatments under Randomized Complete Block Design (RCBD) replicated thrice. The experiment was repeated for consecutive three years to find the effect of microbial inoculants with auxin precursor L-TRP and mean of three years was reported in the manuscript. The microbial inoculants were applied as seed coating. The bacterial inoculation showed promising results as compared to control. However, the consortium of PGPR and P-solubilizer with precursor had the significant effects on cotton yield during all three years of experiment. The consortium increased the yield parameters of cotton i.e., 1810 kg/ha in comparison with un-inoculated control i.e., 1672 kg/ha. Individual applications of PGPR and P-solubilizer also had significant effect on the yield compared to control. Hence, it was concluded that the interaction of bacterial consortium and precursor (precursor inoculum interaction) proved to be the best to improve the cotton yield.","PeriodicalId":14975,"journal":{"name":"Journal of Agricultural Research","volume":"3 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2023-03-07","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"135000590","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
GROWTH AND INSTABILITY OF EXPORT OF SELECTED FRUITS AND VEGETABLES IN PAKISTAN 巴基斯坦部分水果和蔬菜出口的增长和不稳定
Pub Date : 2023-03-07 DOI: 10.58475/2023.61.1.1623
S. Naheed, R. Tahira, A. Bashir
The present study was conducted in Faisalabad at Social Sciences Research Institute, Pakistan Agricultural Reseaerch Council, Ayub Agricultural Research Institute, Faisalabad, Pakistan during 2019. Countries wise time series data of exported fruits and vegetables were taken from AMIS for finding instability of commodities and countries. Current study focused on the compound annual growth rates of production, export quantity and value of mostly exported fruits and vegetables. Growth trends of selected commodities were executed by using semitrend growth model. Coefficient of variation technique was used to find out instability of specific commodity for specific country/market. Selected exported vegetables (potato, tomato, onion and garlic) indicated instability results for Sri Lanka, Malaysia, Qatar and Indonesia among given markets and within the given period. Among fruits kinnow export shared 24.96, mango export results showed 22.08 percent share in total fruits export followed by 13.55 percent share of orange and 8.6 percent export share of dates dried in total export from Pakistan. Results observed for instability of exports to countries, minimum value of coefficient of variation (24.34 percent) was recorded for Bahrein market for kinnow export and Bahrein market was stable among given markets. Similarly, mango results showed that export of mango to Germany market was stable among given markets and within the given period. Export of orange to Saudi Arabia market and export of dates to Bangladesh market was stable among given markets within the given period of time. Finally, in order to lessen the instability, it can be proposed that Pakistan ought to take steps to boost the exports of primary commodity and value added products to raise revenue profitable.
本研究于2019年在费萨拉巴德社会科学研究所、巴基斯坦农业研究委员会、巴基斯坦费萨拉巴德阿尤布农业研究所进行。从非盟驻苏特派团获得了各国出口水果和蔬菜的时间序列数据,以发现商品和国家的不稳定性。目前的研究重点是主要出口水果和蔬菜的产量、出口数量和价值的复合年增长率。所选商品的增长趋势采用半趋势增长模型执行。变异系数技术用于找出特定国家/市场的特定商品的不稳定性。选定的出口蔬菜(土豆、番茄、洋葱和大蒜)表明,斯里兰卡、马来西亚、卡塔尔和印度尼西亚在特定市场和特定时期内的不稳定结果。在水果出口中,芒果出口占24.96,芒果出口在巴基斯坦水果出口总额中所占份额为22.08%,其次是橙子出口份额为13.55%,椰枣出口份额为8.6%。观察到的对各国出口不稳定的结果显示,金诺出口的巴林市场的变异系数最小值(24.34%),巴林市场在特定市场中是稳定的。同样,芒果结果显示,在特定市场中,芒果对德国市场的出口在特定时期内是稳定的。在给定的时间段内,向沙特阿拉伯市场出口的橙子和向孟加拉国市场出口的椰枣在给定的市场中是稳定的。最后,为了减少这种不稳定,可以建议巴基斯坦采取措施,增加初级商品和增值产品的出口,以增加有利可图的收入。
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引用次数: 0
DEVELOPMENT AND OPTIMIZATION OF BLACK MULBERRY RTS DRINK 黑桑椹RTS饮料的研制与优化
Pub Date : 2023-03-07 DOI: 10.58475/2023.61.1.1976
S. Parveen, Sharoon Masih, Bushra Ishfaq, H. Kausar, S. Saeed, Z. Iqbal, Muhammad Abrar
Present study was conducted during the year 2020 at the Food Technology Section of Postharvest Research Centre, Ayub Agricultural Research Institute, Faisalabad, Pakistan on the value addition of short seasoned indigenous fruit for the development of black mulberry RTS drink. The nutritional quality and effect of storage on the keeping quality of drink was evaluated. Drinks were developed by using different percentage of pulp in final ceipe, filtered, pasteurized and filled in glass bottles. The physicochemical characteristics of the drinks during shelf life were studied. Four drinks with different mulberry fruit juice percentage were prepared and stored them at ambient temperature. The total soluble solids were found to be 13.03, 13.60, 13.86 and 14.20 ⸰ Brix in T1 , T2 , T3 and T4 respectively. During the three months storage periods TSS was reached up to 14.06, 14.13, 14.16 and 14.63 for T1 , T2 , T3 and T4 , respectively. Reducing and total sugars % were increased and observed in the range of (7.20-7.47%), (7.65-7.89%), (7.75- 7.89%), (8.26-9.25%) and (12.52-12.68%), (13.20-13.69%), (13.68-14.98%), (14.52-15.4%) for T1 , T2 , T3 , and T4 , respectively. Non-reducing sugar percent was observed to be reduced from 5.32 to 5.21%, 5.89 to 5.63%, 6.23-6.11% and 6.26 to 6.20% for T1 , T2 , T3 and T4 , respectively during three month storage period. Sensory evaluation showed all the treatments acceptable but highest scores for color, flavour, taste and overall acceptability were perceived in case of T4 with 25% fruit pulp at the end of storage period.
本研究于2020年在巴基斯坦费萨拉巴德阿尤布农业研究所收获后研究中心食品技术科进行,研究了短调味土著水果对黑桑椹RTS饮料开发的增值作用。评价了饮料的营养品质及贮藏对饮料保鲜质量的影响。饮料是通过在最终的天花板中使用不同百分比的果肉、过滤、巴氏杀菌和装入玻璃瓶来开发的。研究了饮料在保质期内的理化特性。制备了四种桑椹果汁含量不同的饮料,并将其在室温下储存。可溶性固体总量分别为13.03、13.60、13.86和14.20⸰ 白利糖度分别为T1、T2、T3和T4。在三个月的储存期内,T1、T2、T3和T4的TSS分别达到14.06、14.13、14.16和14.63。T1、T2、T3和T4的还原糖%和总糖%分别在(7.20-7.47%)、(7.65-7.89%)、(7.75-7.89%。在三个月的贮藏期内,T1、T2、T3和T4的非还原糖含量分别从5.32%降至5.21%、5.89%降至5.63%、6.23-6.11%和6.26-6.20%。感官评估显示,所有处理都是可接受的,但在T4的情况下,在储存期结束时果肉含量为25%,在颜色、风味、味道和总体可接受性方面得分最高。
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引用次数: 0
DEVELOPMENT AND ECONOMIC EVALUATION OF CARROT HARVESTER CUM TRIMMER 胡萝卜收获机兼修剪机的研制与经济评价
Pub Date : 2023-03-07 DOI: 10.58475/2023.61.1.1837
Z. Yasmeen, M. Ashraf, Shahzad Ahmad, Maqsood Ahmad, Iqbal Sabir, Shahzaib
Traditionally in Pakistan most of carrots are harvested either by adopting a complete manual harvesting method in which a series of manual practices such as digging and picking of carrots from the field, removal of green leafs and filling in bags for further cleaning/ washing of carrot are performed or semi mechanized method in which only digging and loosening of carrot on beds is done by using tractor operated carrot digger whereas all other reaming operations are performed manually. Consequently, the harvesting of carrot is most laborious and time consuming operation among its all farm operations due to narrow time span for harvesting. hence in order to address the carrot harvesting issue, two row tractor operated carrot harvester cum trimmer was designed and developed by Agriculture Mechanization Research Institute (Research Division), Faisalabad, Pakistan to dig, separate, de-top and collect carrots simultaneously during 2019-20. The main components of harvester were digging unit, lifting unit, soil separation unit, trimming unit, carrot storage bin, leaf slides and hydraulic power transmission system. Forward speed of 2.5 km/hr, belt speed of 0.75 m/s, rake angle of 25 degree and belt inclination angle of 24 degree was best combination to achieve optimum performance of machine such as overall efficiency of machine is 72.97% with combination of Lifting efficiency of 88 %, conveying efficiency of 93.9%, belt losses of 6.1 %, trimming efficiency of 87%, damage percentage of 11 % and carrot root quality of 89%. Hence the use of carrot harvester cum trimmer was efficient and economically viable operation with the 63.04% and 86.4 % saving in cost and labor reduction as compared to traditional method.
传统上,在巴基斯坦,大多数胡萝卜的收获要么采用完全的人工收获方法,其中一系列的手工操作,如从地里挖胡萝卜和采摘胡萝卜,去除绿叶和装袋进行进一步的清洁/清洗胡萝卜,要么采用半机械化方法,其中只使用拖拉机操作的胡萝卜挖掘机在床上挖胡萝卜和松开胡萝卜,而所有其他扩孔操作都是手动进行的。因此,由于收获时间较短,在所有农场作业中,胡萝卜的收获是最费力和耗时的作业。因此,为了解决胡萝卜收获问题,巴基斯坦费萨拉巴德农机化研究所(研究部)设计并开发了两行拖拉机操作的胡萝卜收获机兼修剪机,用于在2019- 2020年期间同时挖掘、分离、去顶和收集胡萝卜。收割机主要由挖土装置、提升装置、分土装置、修剪装置、胡萝卜贮藏箱、叶片滑块和液压传动系统组成。前进速度为2.5 km/hr,皮带速度为0.75 m/s,前倾角为25度,皮带倾角为24度,整机效率为72.97%,提升效率为88%,输送效率为93.9%,皮带损耗为6.1%,切边效率为87%,损坏率为11%,胡萝卜根质量为89%。因此,使用胡萝卜收获机和修剪机是一种高效、经济可行的操作方法,与传统方法相比,成本和人工分别节省63.04%和86.4%。
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引用次数: 0
ESTIMATION OF WHEAT CROP PRODUCTIVITY OF DISTRICT NAWAB SHAH USING METRIC EEFLUX IMAGERY 利用公制通量影像估算纳瓦沙地区小麦作物产量
Pub Date : 2023-03-07 DOI: 10.58475/2023.61.1.1727
N. Saqib, Tarique Aziz
Water scarcity and food security are global concerns, which require morefood production from less water. Therefore, for effective management of water resources and improved food production, identification of Crop water Productivity (CWP) is of prime importance. Current study was conducted at Center for Advanced Studies in Water, Mehran University of Engineering and Technology, Jamshoro, Pakistan during year 2020 estimates CWP of wheat during the Rabi season (winter season) in the Nawab Shah District of Sindh (located in Rorhi canal command area) using Mapping Evapotranspiration at High Resolution with internalized calibration (METRIC) - Earth Engine Flux (EEFLUX) application. Cloud corrections were applied where cloud cover was approximately 50% and missing data were interpolated. Actual evapotran spiration (ETa ) for each season (initial, development, mid and late, required for estimating CWP) were calculated from reference evapotranspiration (ETr ) by evapotranspiration factor (ETr F) which were available at the Food and Agriculture Organization (FAO) website, using geographical information system software package (ARC-GIS). Total ETa for the entire season came out to be 367.57 mm. Inshort, wheat crop productivity can be assessed by using matric EEFLUX imagery
缺水和粮食安全是全球关注的问题,需要用更少的水生产更多的粮食。因此,为了有效管理水资源和改善粮食生产,确定作物水分生产力(CWP)至关重要。目前的研究是在Jamshoro Mehran工程技术大学水高级研究中心进行的,巴基斯坦在2020年利用内部校准(METRIC)-地球发动机通量(EEFLUX)应用的高分辨率蒸发蒸腾制图,估计了信德省纳瓦布沙阿区(位于Rorhi运河指挥区)拉比季(冬季)小麦的CWP。在云量约为50%的地方进行了云校正,并对缺失数据进行了插值。使用地理信息系统软件包(ARC-GIS),根据参考蒸散量(ETr)和蒸散因子(ETr F)计算每个季节(初始、发展、中期和后期,估计CWP所需)的实际蒸散量(ET a),该因子可在粮食及农业组织(FAO)网站上获得。整个季节的总ETa为367.57mm。总之,小麦作物生产力可以通过矩阵EEFLUX图像进行评估
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引用次数: 0
GENETIC ANALYSIS OF WHEAT ACCESSIONS FOR YIELD CONTRIBUTING TRAITS UNDER WATER DEFICIT CONDITION 水分亏缺条件下小麦产量贡献性状遗传分析
Pub Date : 2023-03-07 DOI: 10.58475/2023.61.1.1681
Asma Mustafa, Atif Naeem, H. Kausar, Shaguhfta Ismail, S. Mubarak, B. Kanwal, Syed Muhammad Taseer Abbas Naqvi, Zaheer Ahmed, R. Maqbool
Current research was conducted in the field area of Department of Plant Breeding and Genetics, University of Agriculture Faisalabad during 2018-19. Six parents were used as female lines and three parents as male testers. F1 along with their parents were sown under drought and normal conditions in a randomized complete block design. Data were recorded for flag leaf area, chlorophyll contents, plant height, spike length, spikelets per spike, grains per spike, grain weight per spike, relative water contents, spike density, weight of 1000-grain, grain yield from each plant and tillers per plant. F1 plants and their parents were evaluated for general as well as for specific combining ability. The SSR marker-based screening of parental genotypes was also conducted using 4SSR markers related to drought tolerance. Under normal water conditions, parent Chakwal-50 was a good general combiner for plant height and 1000 grain weight, 9774 perform best for spike length and grain weight per spike. Line BARS-2009 performed best for tillers per plant, number of spikes per plant. In drought conditions, for plant height parent AAS11, Chakwal-50 and 10137 gave significant results. Line BARS-2009 and 9774 gave desirable results for number of tillers per plant. Under normal water condition, cross 9774 × Kohistan 97, Chakwal-50 × Sialkot-13, Chakwal-50 × 9733, BARS-2009 × 9496 and Punjab 2011 × Sialkot-13 performed well for chlorophyll content, flag leaf area, 1000-grain weight and tillers/plant. In drought conditions, crosses 9774 × Kohistan 97, AAS-11 × Sialkot-13, 10137 × Sialkot-13 and 10137 × 9496 performed good for plant height, grain weight per spike, flag leaf area and yield per plant. So, it was concluded from physiological and molecular analysis results that among parents Chalwal-50, BARS-2009, 9496 and 10137 were better performing for drought and can be included in future breeding program.
目前的研究是在2018-19年期间在农业大学费萨拉巴德植物育种与遗传学系的实地领域进行的。6对父母作为雌性系,3对父母作为雄性系。在干旱和正常条件下,采用随机完全区组设计播种F1及其亲本。记录旗叶面积、叶绿素含量、株高、穗长、每穗粒数、每穗粒数、每穗粒重、相对含水量、穗密度、千粒重、单株籽粒产量和单株分蘖数。评价了F1植株及其亲本的一般配合力和特定配合力。利用与抗旱性相关的4个SSR标记对亲本基因型进行了SSR标记筛选。在正常水分条件下,亲本Chakwal-50在株高和千粒重方面表现较好,9774在穗长和穗重方面表现最好。bar -2009系在单株分蘖数和穗数方面表现最好。干旱条件下,亲本AAS11、Chakwal-50和10137对株高的影响显著。品系BARS-2009和9774在每株分蘖数上取得了理想的结果。在正常水分条件下,杂交9774 × Kohistan 97、Chakwal-50 × Sialkot-13、Chakwal-50 × 9733、bar -2009 × 9496和Punjab 2011 × Sialkot-13的叶绿素含量、旗叶面积、千粒重和分蘖数均较好。在干旱条件下,9774 × Kohistan 97、AAS-11 × Sialkot-13、10137 × Sialkot-13和10137 × 9496杂交组合的株高、穗粒重、旗叶面积和单株产量表现良好。综上所述,生理和分子分析结果表明,chalwal50、BARS-2009、9496和10137亲本抗旱性能较好,可纳入未来育种计划。
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引用次数: 0
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Journal of Agricultural Research
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