1) Damage
[英]['dæmɪdʒ] [美]['dæmɪdʒ]
![点击朗读](/dictall/images/read.gif)
为害损失
1.
Study on the Damage and Control Threshold of Sitobion Avenae;
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麦长管蚜为害损失估计及防治阈值研究
2.
Economic damage to Japonica by the second generation population of the white backed planthopper in the middle late non glutinous rice zone;
中、晚粳稻区白背飞虱为害损失及其防治指标研究
3.
Damage amount and damage loss to cotton by the various instar larvae of cotton bollworm,Helicoverpa armigera were got through inoculating larvae to cotton plant.
通过人工接虫为害,获得了棉铃虫各龄期幼虫在棉花上的为害量和为害损失。
2) Yield loss
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为害损失
1.
The contents included biology, migration, occurrence characteristics, and population dynamics of the whitebacked planthopper; yield losses, and varietal resistance of rice; and integrated management of the pest.
通过对 2 14篇发表在中国省级以上刊物的相关研究论文分析 ,概述了建国以来中国在白背飞虱研究与治理等方面的研究进展 ,内容包括白背飞虱的生物学特性、迁飞规律、发生特点、种群动态、为害损失、水稻品种抗性及种群综合治理等方面。
2.
Relationships between adult amount of Nilaparvata lugens (Stal) on Wuyu gen-3 rice and the increasing rate of its 2nd generation as well as yield loss and chemical control were studied by Net-rearing and field experiments.
为了解二代褐飞虱对粳稻的为害损失,确定合理的防治指标和防治策略,为科学使用噻嗪酮、吡虫啉等药剂防治稻飞虱提供依据,作者在武育粳3号上,通过接不同的虫量,并进行笼罩的方法,研究了二代褐飞虱的增殖规律和为害损失及防治指标。
3) yield losses
![点击朗读](/dictall/images/read.gif)
为害损失
1.
The yield losses of take-all disease of corn (Gaeumannomyces graminis var.
![点击朗读](/dictall/images/read.gif)
作者对山东小麦—玉米两季作物区玉米全蚀病的发生情况进行田间自然发病田、人工接种田为害损失测定。
2.
Eighty three winter wheat fields of 44 cultivars were investigated, to calculate the yield losses of sheath blight disease.
通过44个品种83块麦田小麦纹枯病为害损失的测定,明确小麦纹枯病可引起小麦显著减产。
4) damage percentage
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为害损失率
5) multiple species injury loss
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复合为害损失
1.
Studies on the multiple species injury loss of three major rice insect pests;
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水稻三种主要害虫复合为害损失的研究
6) damage
[英]['dæmɪdʒ] [美]['dæmɪdʒ]
![点击朗读](/dictall/images/read.gif)
损失,损害
补充资料:为害
1.造成祸害;加害。
说明:补充资料仅用于学习参考,请勿用于其它任何用途。
参考词条