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Varietal performance and correlation of okra pod yield and yield components

机译:秋葵荚果产量和产量构成的品种表现及其相关性

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Field irrigation experiments were conducted to assess the varietal performance and correlation of pod yield and yield attributes under irrigation at the Teaching and Research Farm, University of Maiduguri, Nigeria, during the 2015 and 2016 dry seasons. The results revealed that the most outstanding for fresh pod yield per plant were okra cultivar Kwadag Y’ar gagure Salkade, and Kwadam, in descending order, with yield ranging from 580.38 to 622.67 g, while the Composite cultivar had the lowest value of pod yield of 428.62 g over the two years. The greatest average values for the number of pods per plant and the number of primary branches per plant were observed for Salkade and Y’ar gagure, respectively. Highest fresh pod length and fresh pod diameter were also exhibited for Salkade and Kwadag. The genotypic coefficient of variation was higher than the phenotypic variation for the entire yield-contributing characters. Days to 50% flowering were positive and highly significant differences associated with plant height, number of pods per plant, and fresh weight per pod could be observed. Path coefficient analysis showed that the number of pods per plant exhibited positive and direct influence on the pod yield across the studied years. Indirect influence of other yield components through this character also contributed mainly towards pod yield. Therefore, days to 50% flowering, plant height, pod length, number of pods per plant, pod diameter, number of primary branches per plant, and fresh weight per pod could be taken into consideration for the selection and development of high pod-yielding varieties in okra.
机译:在2015年和2016年干旱季节,在尼日利亚Maiduguri大学的教学与研究农场,进行了田间灌溉实验,以评估品种性能以及豆荚产量与产量属性之间的相关性。结果表明,单株新鲜荚果产量最高的是秋葵品种Kwadag Y'ar gagure Salkade和Kwadam,降序排列,产量在580.38至622.67 g之间,而复合品种的荚果产量最低两年中的重量为428.62克。对于Salkade和Y'ar gagure,分别观察到了每棵植物的豆荚数和每棵植物的主要分支数的最大平均值。 Salkade和Kwadag还展示了最高的新鲜豆荚长度和新鲜豆荚直径。对于整个产量贡献性状,基因型变异系数高于表型变异。开花到50%的天是阳性的,并且可以观察到与株高,每株豆荚的数量和每株豆荚的新鲜重量相关的高度显着差异。路径系数分析表明,在整个研究年份中,每株豆荚的数量对豆荚的产量表现出正向和直接的影响。通过此特性,其他产量成分的间接影响也主要促进了豆荚产量。因此,在选择和开发高荚果产量时,应考虑到50%开花的天数,植物高度,荚果长度,单株荚果数,荚果直径,单株初生枝数和每荚果的鲜重​​。秋葵品种。

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