The effect of single plant selection on pollen fertility was discussed.
讨论了单株选择对花粉育性的影响。
The early sprouting and mid maturing new mulberry varieties Nongsang 12 and Nongsang 14 were bred through hybridization, single plant selection, pedigree selection and regional test.
通过人工有性杂交、单株选择、系统选择、区试鉴定，育成早生中熟桑树新品种农桑12号、农桑14号。
In practical rice breeding pro-grams, multi-trait index selection for plant yield improves selection efficiency by 20.42%, compared to single-trait selection.
在水稻育种中应用选择指数方法进行综合选择比对单株产量单一性状直接选择效率高20.42%，应用前景广泛。
The results showed that the yield of single-plant sunflower could be raised effectively by correlative selection of the height of plant and of their branch.
结果表明，通过分枝高、株高两性状进行相关选择，可有效提高单株花产量。
The results showed that the yield of single-plant sunflower could be raised effectively by correlative selection of the height of plant and of their branch.
结果表明，通过分枝高、株高两性状进行相关选择，可有效提高单株花产量。
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