VERB (尤指战时)使落叶,去掉…的叶子,毁坏(某一地区)的绿色植物 To defoliate an area or the plants in it means to cause the leaves on the plants to fall off or be destroyed. This is done especially in war to remove protection from an enemy.
Dioxin was the ingredient in Agent Orange, used to defoliate Vietnam. 越南战场上用于毁灭林区的“橙剂”,其成分是二氧杂芑。
Analysis on the Relationship Between the Defoliating Type of verticillium Wilt and Meteorological Factors in Lower Reaches of Yangtze River Valley 长江下游棉花落叶型黄萎病发生消长与气象因子关系分析
Study on Strain of Defoliating Type of Verticillium Wilt in Cotton 棉花黄萎病菌落叶型菌系研究
In the experiment the physiological and biochemistry changes of flower buds were determined during defoliating period, dormancy initial period, deep dormancy period and the dormancy release period. 2在自然休眠期的落叶期、初休眠期、深休眠期、休眠解除期等阶段对花芽内的生理生化变化作了测定。
The results show that the transgenic hybrid poplar can decrease the number of defoliating insects and lower the dominance of the dominant species, and increase the insect diversity and the evenness of insect pest subcommunity. 结果表明,转基因741杨能明显降低群落中食叶害虫的数量,同时,使群落中食叶害虫优势种的优势度降低。
Especially, the defoliating pathotype of Verticillium wilt threatens cotton quality and yield seriously. 尤其是落叶型棉花黄萎病,对棉花的品质和产量的提高起着限制性作用,其危害性更大。
The defoliating producing line can be improved to realize the close control system for the purpose of strips size. 对现有打叶生产线稍作改进,即可实现以片烟规格为目标的闭环控制系统。