蓝莓园打碗花调查及其防治研究

Investigation on Calystegia hederacea Wall in Blueberry Garden and Its Control Measures

采用随机取点和"W"9点取样法对蓝莓生态园优势杂草打碗花的发生情况进行了调查。结果表明,在18个取样点均出现了打碗花,田间频率和田间均度均为100%,田间密度为49.3株/m2,表明打碗花在该地块的危害非常严重。针对打碗花的危害,提出了多种防治方法。

The occurrence condition of Calystegia hederacea Wall in blueberry garden was investigated by random sampling and"W"nine plots sampling method. Results showed as followed: there were 18 sampling plots to occur Calystegia hederacea Wall; both the field frequency and field uniformity were 100%; the field density was 49. 3 plants/m2. It is suggested that Calystegia hederacea Wall occurred in the blueberry garden seriously. Finally,some control measures were put forward aimed at the damage of Calystegia hederacea Wall.