论文部分内容阅读
本刊讯(特约通讯员钱开胜)4月突来的倒春寒和5月以来的长期降雨,使得广西资源县数万亩的葡萄生长受到较大影响,并影响花芽分化,大部分果园花量明显减少,病害发生较重,尤其是葡萄灰霉病造成烂叶落果现象严重。据该县植保部门调查,目前当地葡萄生产的两个主要基地葡萄灰霉病病叶率最高为6.8%,病穗率高达13.3%～23.3%,对今年的产量造成严重影响。据悉,葡萄灰霉病是目前葡萄果园发生比较严重的一种病害。2012年,广西资源县葡萄种植面积已达3870hm2,今年春,又新种267hm2,成为华南地区最大的无公害优质红提生产基地。
Benjxun (correspondent QIAN Kai-sheng) In April, the sudden onset of sudden rains in June and the long-term rains since May led to a significant impact on the grape growth of tens of thousands of mu in the Resource County of Guangxi and affected the flower bud differentiation. Reduce the occurrence of serious diseases, especially grapes gray rot disease caused by rotting leaf serious. According to a survey conducted by the county plant protection department, the highest leaf rate of grape gray mold disease is 6.8% and the rate of diseased ear is as high as 13.3% -23.3% at the two main bases of local grape production, which seriously affects the output this year. It is reported that grape gray mold is currently more serious grape orchard disease. In 2012, the planting area of grape in Guangxi Resources County reached 3870 hm2. In spring of this year, 267 hm2 of new species was grown, becoming the largest pollution-free high-quality red production base in southern China.