In this experiment phonology, the development rule, fruits qualities of huangguang, shuanguang, yangguang, zaoyou118, zaohong2 and qiannianhong in lanzhou, tianshui, pinliang, and zhangye were determined, the different effect of artificial pollination, self-pollination and cross-pollination and the effect on development of application of pp333 were estimated and the control trials of nectarine etiolating disease with pruning and training after mature were also determined, The results showed that,
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