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被动抗病性(passive resistance)
时间:2021-12-26 16:34
关键词:
植物病理学
农学
答案解析
是植物与病原物接触前即已具有的性状所决定的抗病性。
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被动抗病性(passive resistance)
按照抗病机制,植物抗病性可以分为物理抗病性和化学抗病性。
寄主植物抗病性与病原物致病性之间没有特异性相互作用的称为水平抗性。
人工被动免疫(artificial passive immunization)
Mainly east 3 or 4 partly cloudy to overcast occasional rain()slowly south moderate or good.
抗病性(resistance to disease)
()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.
系统中雷达状态包括Unknown、Operational(or ON)、Failed(or OFF)、Detached。
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