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巨峰系的四倍体品种,尤以巨峰,先峰常因开花时胚珠形态异常、胚囊未形成而结成无核果。为了解这种花器发育不良在开花前何时出现,特调查了梢修剪和B9处理花穗对改善结实的效果。巨峰和先峰的长梢修剪树比短梢修剪树的新梢生长势明显较缓和,有核果数也有明显增多。B9处理短梢树花穗对新梢生长无影响,但对增加有核果数有一定效果。红瑞宝短梢树不用B9处理有核果数也多。花前三周对
Jufeng tetraploid species, especially in Jufeng, Xianfeng often flowering at the time due to abnormal ovule morphology, embryo sac is not formed and formed non-stone fruit. To understand when the flower hypoplasia appeared before flowering, we investigated the effects of shoot pruning and B9 treatment on the improvement of seed setting. Jufeng and Xianfeng long-shoot pruning tree than the short shoot pruning tree shoot growth potential was significantly more moderate, there is a significant increase in the number of stone fruit. B9 treatment short shoot tree spikes no effect on shoot growth, but to increase the number of stone has some effect. Red Ruibao short shoot trees do not have to deal with the number of nuclear B9 also more. Three weeks before the flower