首页/ 题库 / [名词解释题]保护性杀菌剂的答案

保护性杀菌剂

名词解释题
2021-09-18 08:02
查看答案

正确答案

主要在植物体外发挥作用,不能被植物吸收,在植物已感病后无治疗作用,因而只能在病害发生之前应用。


试题解析

相关题目
boost的意思是:help or encourage to increase or improve
eloquent的意思是:fluent or persuasive in speaking or writing

A campus emergency ______ occur at any time of the day or night, weekend, or holiday, with little or no warning.

小麦的主要病虫害是什么,如何防治?华北地区小麦、玉米、水稻的主要病虫害是哪些,怎样防治?
药用植物病虫害综合防治
园艺植物病虫害的防治一定要遵循“以防为主,综合防治”的植保方针,首先采用()防治、()防治、()防治方法,把药剂防治作为辅助手段。
草坪病虫害可随着()传播蔓延,因此对草坪种子耍进行严格检疫。
在病害活动时期常用触杀杀菌剂来防治病害,它们能有效防治侵染叶茎的一些真菌病,但不能防治对草坪草()危害的病害。
Mainly east 3 or 4 partly cloudy to overcast occasional rain()slowly south moderate or good.
()any case or suspected case of quarantinable disease,or any case of eruptive disease or any death be discovered,the local quarantine officer must be notified immediately.
Should any case or suspected case of quarantinable disease,or any case of eruptive disease or any death be discovered,the local Quarantine Officer must be()immediately.
Masters are()solely responsible for all damages or accidents of whatever kind resulting from the navigating or handling of their vessels by day or by night.
If he is a common carrier,he is absolutely responsible to the owner of the goods carried ()any loss or damage to them unless caused by an Act of God or the Queen’s enemies,or the inherent vice in the goods themselves,or the negligence of the owner of the goods,or a general average sacrifice.
系统中雷达状态包括Unknown、Operational(or ON)、Failed(or OFF)、Detached。
Owners are to be responsible for loss of or damage to the goods or delay in delivery of the goods only in case the loss,damage or delay has been caused by the improper or negligent stowage of the goods.This means that().
The carrier is liable for loss of or damage to the goods or delay in delivery caused by fire,()the claimant proves that the fire arose from fault or neglect on the part of the carrier,his servants or agents.
Shutdown price(or point,or rule) 停业价格(或停业点、停业原则)
花卉病虫害防治原则是“预防为主,综合防治”。
翻译:With Average or With Particular Average(WA or WPA)()
()shall be liable for loss of and damage to the Vessel and/or goods arising or resulting from inaccuracies in stating the description,quantity,weight,measurement or contents.
广告位招租WX:84302438

免费的网站请分享给朋友吧