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1 苹果树应用效果 1998年在胶州市大店园艺场15年生红星苹果园 ,设绿芬威 1号 50 0、750、10 0 0倍液及空白对照 4个处理 ,于苹果谢花后、幼果期和6月上中旬、7月上旬果实膨大期各喷 1次。果实采收期调查表明 ,绿芬威 50 0、750倍处理树果实硬度为 11.53kg/ cm2、11.58kg/ c
Apple tree application effect In 1998 in Jiaozhou City Dadian horticultural field 15-year-old Red Star apple orchard, located in Fenfen 1 No. 50 0,750,10 0 0 times and blank control 4 treatment, in the apple after the flower, young Fruiting period and June on the middle, early July fruit enlargement of the spray 1. According to the investigation of harvesting period of fruit, the fruit firmness of 50, 0, 750 times of theophylline treated was 11.53kg / cm2, 11.58kg / c