胶东半岛地区酿酒葡萄病害的发生与防治现状调查

Investigation of Occurrence and Control Status for Wine Grape Disease in Shandong Peninsula Region

采用田间调查结合问卷调查的方法,对山东胶东半岛地区酿酒葡萄生长期病害进行调查。结果表明:山东胶东半岛地区酿酒葡萄生长期主要病害有6种,包括炭疽病、霜霉病、白腐病、灰霉病、酸腐病以及褐斑病;其中炭疽病是主要病害,发病严重的病果率达35.63%,个别地块有绝收现象;褐斑病只在个别地块中发现;酸腐病和霜霉病在葡萄生长后期加重;炭疽病严重的地块酸腐病也严重。病害防治主要采用化学药剂防治,药剂种类以石硫合剂、波尔多液、多菌灵及福美双为主;整个生长季施药普遍在14～15次,最多可达17次。

The occurrence of grape diseases in Shandong Peninsula region was investigated with field and questionnaire survey.The results showed that there were six grape diseases about growth period in Shandong Peninsula,including anthraenoso, downy mildew, white rot, gray mold, acid rot,black measles and so on.Grape anthracnose was the most important disease in this region and the ratio of infected fruit was about 35.63%. Black measles was only found in afew fields.The acid rot and downy mildew became severe in the late of growth.The anthracnase infected soil also had severe acid rot.The diseases were controlled mainly with chemical fungicide ,such as calcium polysulllde, Bordeaux mixture ,carbendazim and thiram.The fungicides was usually used with 14-15 times ,sometimes 17 times in the whole growth.