20%咪鲜胺·异菌脲SC对香蕉冠腐病的防治评价

Evaluation of 20% Prochloraz·Iprodione SC on Controlling Banana Crown Rot

香蕉冠腐病是香蕉的重要采后病害之一,2010-2011年进行20%咪鲜胺·异菌脲SC对香蕉冠腐病药效试验。结果表明,20%咪鲜胺·异菌脲SC 500～700倍液可有效防治香蕉冠腐病,20%咪鲜胺·异菌脲SC 600倍稀释液与500倍稀释液和对照药剂咪鲜·异菌脲悬浮剂480倍稀释液对香蕉冠腐病的防治效果没有显著差异,但三者的防治效果均显著高于20%咪鲜胺·异菌脲SC 700倍稀释液。且在供试剂量下对香蕉植株生长无致害性影响。20%咪鲜胺·异菌脲SC可作为香蕉冠腐病的轮换用药,推荐浓度为500～600倍。

Banana crown rot was one of banana important postharvest diseases, during 2010-2011, the control effects of 20% prochloraz iprodione SC on banana crown rot have been evaluated. The results showed that 20% prochloraz iprodione SC500-700 times liquid can effectively control the banana crown rot. 20% prochloraz iprodione SC 600 times, 500 times dilution and contrast agent Mi fresh .iprodione suspending agent diluted 480 times on banana crown rot there were no significant difference, but the control effect of the three groups was significantly higher than that of 20% prochloraz iprodione SC diluted 700 times. 20% prochloraz iprodione SC had no harmful effect on the growth of banana plants. Therefore ,The use of 20% prochloraz iprodione SC after 500 -600 times dilution at the beginning of disease occurrence, it could be applied on rotation use controll the banana crown rot .