中国热带农业科学院职称评聘现状与对策研究     

练飞松 《热带农业科学》2009,29(2):88-90

分析中国热带农业科学院职称评聘中存在的问题,并针对存在的问题,提出改革的对策。  相似文献   

板栗新害虫深褐拟叶螽生物学特性及发生条件的研究(英文)   总被引：1，自引：0，他引：1  

练飞  佘德松  冯福娟 《农业科学与技术》2008,9(6):151-153

[Objective] The study aimed to explore the occurrence conditions of Tegra novaehollandiae viridinotata on chestnut.[Method] Life history was observed by the combination of indoor-rearing and field observation,as well as the relationship between occurrence and surroundings in field.[Result] T.novaehollandiae viridinotata has one generation each year in Yunhe County,Zhejiang Province,and overwinters by laying eggs in chestnut trunk with diameter of 5.0 cm.Adults and the nymphs feed on Glochidion puberum leaves,adults damage trunks of young chestnut by oviposition.Nymphs hatch in early April,adults moult in last June and lay eggs in middle July.[Conclusion] T.novaehollandiae viridinotata could be controlled by eliminating shrubs such asGlochidion puberum.,cutting the eggs in dormancy by an knife,spraying pesticides in middle April or June and July,coating stem in winter etc.  相似文献