金沙江干热河谷区罗望子病虫害调查初报

【目的】明确金沙江干热河谷区罗望子主要病虫害种类及发生、危害现状,探求其防控技术,为罗望子规模化种植提供技术支持。【方法】采用面上调查、实地调查、数据收集和室内鉴定相结合的方法,于2009～2010年在金沙江干热河谷区对罗望子病虫害进行系统调查。【结果】金沙江干热河谷区危害罗望子的病害主要有白粉病、煤烟病、根腐病等,虫害主要有丝跳甲、吹绵蚧、蟋蟀、土垅大白蚁、铜绿丽金龟、毒蛾等。【结论】针对金沙江干热河谷区罗望子主要病虫害种类及发生流行特点,生产中应加强抚育管理提高罗望子抗病虫害能力,并采取农业防治、生物防治、物理防治和化学药剂防治等综合防治措施,以确保罗望子产业健康持续发展。

Preliminary report on disease and insect pests of Tamarindus indica L.in dry-hot valley of Jinsha river

Objective]The objective of the present study was to explore the main diseases and insect pests of Tamarindus indica L., and to develop the technique for their prevention and control in dry-hot valley of Jinsha river in order to sustain the large-scale cultivation of Tamarindus indica L. Method]The diseases and insect pests of Tamarindus indica L. were systematically investigated in dry-hot valley of Jinsha river during 2009-2010 using general methods and field investigations. The disease and pests were identified in laboratory and the data collected was analyzed statistically. Result]Tamarindus indica L. was found to be affected by Sphaerotheca Fuliginea, sooty mould disease, root rot disease, etc. Six main species of the pests, viz., Hespera Weise, Icerya Purchasi Maskelll, cricket, Macrotermes annadalei, Anomala corpulenta and Lymantriid were found to affect the plants. Conclusion]Some suggestions have been given to reinforce the management practices, improve pest resistance ability by combining agricultural, biological, physical and chemical controlling measures to ensure the healthy and sustainable development of Tamarindus indica L. industry.