笋用竹丛枝病的防治方法

Control of Balansia take damaging shoot bamboo forests

笋用竹丛枝病又称雀巢病、扫帚病、竹疯病。该病发生普遍而严重 ,当前已成为发展笋用竹生产的一大障碍。研究结果表明 :在 3月底到 4月中旬或 9月 ,清除林中病枝 ,集中林外烧毁 ,防治效果达 92 % ;清除病枝后喷洒 50 %多菌灵 50 0倍液或 2 5%三唑酮 50 0倍液 ,防治效果分别可达 99%和 97% ;仅喷洒 50 %多菌灵 50 0倍液或 2 5%三唑酮 50 0倍液 ,每周 1次 ,连续 3次 ,防治效果均达 1 0 0 %。表 3参

Balansia take damages seriously shoot bamboo forests in a large scale in China, and threatens their development.At the end of March to the middle of April or September clearing the damaged branches out of the forest lands could make a control effect of 92%.The control percentage clearing branches plus spraying 500 fold cardendazim 50 dust or plus spraying 500 fold triazolone 25 dust is 99% and 97% respectively.Only spraying 500 fold cardendazim 50 EC or 500 fold triazolone 25 EC three times at 7 days intervas has a control effect of 100% respectively.The techniques could be applied to the management of shoot bamboo forests.