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通过分析油菜超高产条件下植株一次分枝数和二次分枝数的多少对各部位角果质量的影响 ,得出如下结果 :1各枝序的角果数一般都随一次、二次分枝数的增加而增加 ;而每角粒数和千粒重随一次、二次分枝数的增加呈先增后减的趋势。 2主序和一次分枝的角果质量随分枝数的增减而变化的幅度较小 ;二次分枝的角果质量随分枝数的增减而变化的幅度较大。 3油菜超高产条件下 ,单株最适宜利用的一次和二次分枝数分别为 1 1～ 1 2个和 1 0～ 1 5个 ,过多过少都不利于群体角果质量的提高
By analyzing the effects of the number of primary branches and the number of secondary branches on the fruit quality of each part under the conditions of super high yield rapeseed, the following results were obtained: 1 The number of pectin in each branch is generally the same with the first and second The number of branches increased and increased; while the number of grains per corner and 1000-grain weight with the increase of the number of secondary branches increased first and then decreased. The quality of the main prunus and the primary branches changed little with the increase or decrease of the number of branches. The quality of the secondary branches varied greatly with the number of branches. Under the condition of super high yielding rapeseed, the optimal number of primary and secondary branches per plant was 11 ~ 12 and 10 ~ 15, respectively. Too little too much is not good for the improvement of the quality of the population.