stripe blight
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I have engaged in the research of rice stripe blight control for many years in Shanghai farm and found some problems: though there were some reports of research on rice stripe blight resistance, strategy of prevention and cure for the disease has been face to farmer mainly, while geographical location, cultivars and cultivation system adopted on the Farm all affect the effect of control. On the other hand, our Farm has paid attention to the chemical prevention and cure for rice stripe blight and ignored other measures. As for the chemical prevention and cure, phenomenon of drug-resistance and bad effect of prevention and cure existed usually.
本人在上海农场多年从事该课题研究过程中发现的问题:目前对水稻条纹叶枯病研究的报道较多,在防治对策上主要是针对农户,缺乏关于农场地域因素、品种、栽培制度等因素对水稻条纹叶枯病发生及防治的影响的报道;在水稻条纹叶枯病的防治上,农场仍是以化学防治为主,对其他防治措施还不够重视;在化学防治过程中,存在抗药性、防效不佳等问题。
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In this research, using the Oligosaccharides derived from plant cell walls as inducers, we examined whether they can induce the resistance to powdery mildew, head blight and stripe rust of wheat.
本研究以自行设计的方法从植物细胞壁中提取低聚糖,以其为诱导剂,研究其对小麦白粉病、赤霉病和条锈病的诱病导抗性效果。
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Oligosaccharides could induce obvious resistance to powdery mildew, head blight and stripe rust of wheat. However, the effects on different diseases are quite different due to Oligosaccharides derivation, time for enzyme extraction and the concentration used.
研究表明,所用提取物可以诱导小麦产生对白粉病、赤霉病和条锈病的抗性,但不同来源、不同的酶解时间和不同使用浓度的低聚糖在不同病害上的诱导抗病性效果差异很大。
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Thus, prevention and cure for rice stripe blight has become an important object in Shanghai farm.
因此,水稻条纹叶枯病的防治以成为上海农场的重要课题。
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Rice stripe blight is a virus disease introduced mainly by Laodelphax striatellus Fallen. Rice stripe virus is a RNA virus and one of Tenuivirus members.
水稻条纹叶枯病是由水稻条纹病毒(Rice stripe virus,RSV)引起的一种病毒病,其传播介体主要是灰飞虱。
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leaf stripe and seedling blight of oat:燕麦条纹病
leaf stripe ==> 叶条纹病 | leaf stripe and seedling blight of oat ==> 燕麦条纹病 | leaf succulent ==> 肉叶植物