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80年代中期起,四倍体欧美杂交葡萄品种巨峰开始在鄞县有较大面积的种植,至今多数树龄已满15年。随着树龄的逐年增大,出现了树势退化、抗性减弱的问题。主要表现在落花落果严重、坐果困难、产量不稳,果粒单性结实增多、着色不良、酸度增加、易受病菌侵染、品质下降,从而影响经济效益。为提高品质,稳定产量,自1998年起在鄞县横街镇林村林夏国葡萄园中,对
Since the mid-1980s, the hybrid diplomacy of tetraploid European and American giants began to grow in Yinxian, with a majority of 15 years. With the increasing age of the tree, there has been a problem of degeneration and weakening of tree vigor. Mainly manifested in the drop flowers serious, fruit set difficulties, yield instability, fruit unisex increased, poor coloring, increased acidity, susceptible to bacteria infection, quality degradation, thus affecting economic benefits. In order to improve the quality and stability of production, since 1998 in Yinxian Hengjie Lin Lin Xia country vineyard, the right