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80年代中期,我市巨峰葡萄发展迅速,1988年栽培面积已达0.42万亩,占全市葡萄栽培总面积85％左右,成为当地的主栽品种,近几年,已大面积进入盛果期。由于很多果农不了解巨峰葡萄的特性,栽培管理不当,致使植株早衰问题日渐突出,轻者新梢细弱,结果部位外移,更新困难,产量锐减;重者整株枯死,毁园绝收。为此,笔者根据近年来的调查研究结果,将其早衰原因及防治对策综述如下,供参考。
In the mid-1980s, Kyoho grapes in our city developed rapidly. In 1988, the cultivated area reached 0.42 million mu, accounting for about 85% of the total viticulture area in the city. It has become a major cultivated variety in the city. In recent years, it has entered a flourishing period in a large area. As many farmers do not understand the characteristics of Kyoho grapes, improper cultivation and management, resulting in plant premature aging problems have become increasingly prominent, the light of the shoots thin, the results of relocation of the site, the difficulty of updating, production dropped sharply; To this end, the author based on the findings of recent years, the causes of premature aging and prevention and control measures are summarized below for reference.