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。
Moreover, defoliated plants partitioned more biomass to leaves at low irradiance than defoliated plants at high irradiance. 在低光照条件下,叶损失植株对叶的生物量分配显著高于高光照下的叶损失植株。
The techniques of chemical control of main diseases of defoliated fruit tree and prospect 落叶果树主要病害的化学防治技术及展望
Response of tillers composition in defoliated swards of perennial ryegrass at the reproductive growth stage, and of tall fescue at the vegetative growth stage was studied to cutting heights of 3,6,10,14,18,24 cm. 在温室条件下研究了刈割高度(3,6,10,14,18,24cm)对生殖阶段黑麦草与营养阶段高羊茅的草丛分蘖结构的影响。
Highly significant differences were observed between the locations and years for fresh yield, defoliated yield and dry yield. 结果显示,在南非纳塔尔地区,红麻产量的基因型和环境相互作用显著。在不同的参试地区和年份中,红麻鲜重,鲜茎产量以及干茎产量均为极显著差异。
Peony can be defoliated 3~ 7 days and postponed to germinate 2~ 6 days by MH ( maleic hydrazide) in autumn, which can delay the florescence 1~ 2 days, but the percentage of the blossom decreases and the scapes wane. 秋施青鲜素(MH)可使牡丹提前落叶3~7天,延迟萌芽达2~6天,延迟花期1~2天,但降低了成花率,同时减少了花径。
The Influence of Cutting Heights on Tiller Composition in Defoliated Sward Population 刈割高度对禾草丛分蘖结构的影响
Kinds of evergreen trees, 2 defoliate trees, 12 shrubs, a woody vine, 6 herbage flowers as well as 4 lawn and ground cover plants are included and most of them are defoliated. 其中常绿乔木2种,落叶乔木2种,灌木12种,木质藤本1种,草本花卉6种,草坪及地被植物4种,且多数为落叶植物。
The anthracnose is so serious that the leaves 'effective component is reduced greatly. Moreover, a lot of leaves are defoliated ahead of time, which causes a big economic loss to the local people. 其中炭疽病是特别严重病害之一,致使叶片所含有效成分大大降低,叶片提前脱落,给农户造成了很大的经济损失。
In addition, the node location where scions were defoliated also had an effect on flowering development. 2. 接穗去叶部位对其成花发育状态亦有一定影响。