1) Damage
[英]['dæmɪdʒ] [美]['dæmɪdʒ]
为害损失
1.
Study on the Damage and Control Threshold of Sitobion Avenae;
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
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
为害损失
1.
The yield losses of take-all disease of corn (Gaeumannomyces graminis var.
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
为害损失率
5) multiple species injury loss
复合为害损失
1.
Studies on the multiple species injury loss of three major rice insect pests;
水稻三种主要害虫复合为害损失的研究
6) damage
[英]['dæmɪdʒ] [美]['dæmɪdʒ]
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