赤霉病
- 与 赤霉病 相关的网络例句 [注：此内容来源于网络，仅供参考]
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The findings may provide basis on the short and medium potential trend forecast for the occurrence of wheat scab.
研究结果可为小麦赤霉病发生的中短期潜势预报提供依据。
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Scab resistance of wheat is controlled by quantitative genes.
小麦抗赤霉病性状由数量基因控制，遗传机制复杂。
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In accordance with field investigation to epidemic dynamics of wheat scab,the forecast method for differential equations of epidemic state has been given respectively.
对小麦赤霉病流行资料进行分析，给出了流行状态微分方程的预测方法。
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Powdery mildew and scab are serious wheat diseases occurring worldwide.
小麦白粉病和赤霉病是世界小麦生产中的严重病害。
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In the future the probability of wheat scab occurrence will get bigger if the infection sources accumulate to certain amount.
这些地区只要菌源达到一定数量，未来小麦赤霉病发生的概率将会越来越大。
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In recent years, wheat scab at each wheat planting region of Qinghai all have occurrence of different degrees and which has become one significant disease of Qinghai spring wheat production.
近年来，小麦赤霉病在青海各春小麦种植区均有不同程度的发生，已成为青海春小麦生产上重要病害之一。
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Wheat scab chiefly existed and taken place more seriously in the eastern agricultural region of Qinghai province and with areas of wheat and ...
赤霉病的发生主要是在青海省东部农业区，并以黄河、湟水流域，实行小麦和玉米套种或冬春麦混种的地区发病较重。
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Wheat scab ; Fungicide control ; Mathematical model ; Indices.
小麦赤霉病；药剂防治；数学模型；指标
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China has a vast territory, wheat cultivation in the region covered with different eco-climatic zones, wheat production is faced with a variety of disaster risk, including the occurrence of the prevention and control of wheat scab is an important high-quality high-yield component.
我国幅员辽阔，小麦种植区域覆盖着不同生态气候区，小麦生产面临着多种灾害风险，其中小麦赤霉病的发生防控是优质高产的重要组成部分。
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Based on the Malthus and Weibull differential equations of epidemic state,the cybernetic models of epidemic dynamics of wheat scab were developed according to the extreme value principle,and the optimum control trajectories were given.
根据不同的状态微分方程，以极大值原理建立小麦赤霉病流行动态的控制论模型，得到流行动态的最优控制轨线。
- 推荐网络例句
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The big eared hedgehog, the little owl, the sand gecko, the three-toed jerboa, and every show needs a villain - saw-scale - the viper!
大耳刺猬，小猫头鹰，沙壁虎，三趾跳鼠，每场戏都需要反派角色：蝰蛇。
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Plasmodiophora brassicae ; resting spores ; density gradient centrifugation of sucrose ; ultrasonic disruption
根肿；休眠孢子；蔗糖密度梯度离心；超声波破碎
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Article 14 After the death of an employee or retiree, the balance of his individual enterprise annuities account shall be drawn out in a lump sum by the beneficiary or legal heir designated by him.
职工升学、参军、失业期间或新就业单位没有实行企业年金制度的，其企业年金个人帐户可由原管理机构继续管理。