容县沙田柚黑星病综合防治试验

Comprehensive prevention and controlling of "Shatian" pomelo scab in Rongxian County

黑星病是导致容县沙田柚果实缺陷的主要病害之一,制约了沙田柚产业的发展。为给做好容县沙田柚黑星病的综合防治提供技术支撑,对沙田柚黑星病进行田间试验研究,观察不同时期、不同药剂的综合防治情况。结果:对10个果园中的70株果树综合采用冬季清园、地膜覆盖、药剂处理、果实套袋技术等措施后,病果总数下降为44个,有病果率下降为6.28%;对照组的病果率保持在98%,比未防治时的95.2%的病果率加重。表明:采取上述综合技术措施,可以使黑星病达到良好的防治效果。

Scab is one of the main diseases of pomelo fruit, which restricting the development of pomelo industry.For comprehensive prevention and control scab, providing technical support for Rongxian County pomelo industry development, we conduct the field experiment for controlling disease research of pomelo black star, though observation in different periods, different reagents of comprehensive prevention and control.Results： after applying as follows measures for 70 strains of ten orchards integrated with winter garden cleaning, plastic mulching, drug treatment, the fruit bagging,etc, the total disease fruit decrease to 44, diseased fruit rate is decrease to 6.28%;The control of disease fruit rate stood at 98%, which is serious than be fore rate of 95.2%. It shows that If applied the comprehensive technical measures, the scab could be control effect.