霜霉病

对甜瓜霜霉病的室内盆栽试验结果表明，喷雾7d后的预防效果分别为51.4%和34.3%，田间试验的防效则分别为48.8%和22.6%。

Indoor pot tests of controlling the downy mildew showed that the control efficiencies at 7 days after spraying the two extracts were 51.4 % and 31.3 % , respectively . The field tests showed that their control efficiencies at 7 days were 48.8 % and 22.6 % , respectively .

不同酿酒葡萄品种对霜霉病的抗性分类

Classification on the Resistance of Different Wine Grape Cultivars to Downy Mildew

葡萄感霜霉病基因RAPD标记的序列分析

Analysis of sequencing the RAPD marker linked to the downy mildew-susceptible genes in grapes

本研究中纳米TiO2光催化作用下对黄瓜霜霉病田间试验结果，为纳米光半导体材料在植物保护领域的深入应用提供了技术依据。

The research will provide technology basis for the application of photocatalytic materials in plant protection .

ND901、ND903杀菌混剂防治大棚黄瓜霜霉病的研究

Study on Efficacy of Systemic and Contact Fungicide Mixtures ( ND ─ 901 , ND ─ 903 ) in Controlling Downy Mildew of Plastic Greenhouse Cucumbers

组织表达特异性分析表明，霜霉病诱导12h后，该基因诱导表达最高的部位是叶片。

Tissue-specific expression analysis showed that 12 h post-inoculation the highest expression tissue of BcAF mRNA was leaves .

对黄瓜霜霉病抗性不同的黄瓜品种氨基酸含量进行测定，结果表明，在萌动种子内，除谷氨酸、赖氨酸和NH3外，其它氨基酸的平均含量抗病品种高于感病品种；

The contents of amino acid , sugar and chlorophyll in different cucumber varieties with different resistance to downy mildew of cucumber were tested .

BTH诱导黄瓜对霜霉病的抗性及两种防卫相关酶活性的变化

Efficiency of Cucumber Resistance Induced by BTH to Downy Mildew and Activities of Defense-related Enzymes in Cucumber Plants

对已发生霜霉病的大棚黄瓜于发病初期用50μg/ml的BTH诱导处理，病害发展可得到有效控制。

The development of disease could be controlled effectively by using 50 μ g / ml BTH at the stage of preliminary disease .

利用MAXENT预测玉米霜霉病在中国的适生区

Prediction of potential geographic distribution areas of the maize downy mildew in China by using MAXENT

BTH诱导黄瓜幼苗对霜霉病的抗性与细胞壁HRGP和木质素含量的关系

The Relationship Between BTH-Induced Resistance to Downy Mildew in Cucumber Seedlings and Content of HRGP and Lignin in Cell Wall

但部分药剂如75%百菌清WP对黄瓜霜霉病、50%多菌灵WP和50%速克灵WP对番茄灰霉病等已产生抗药性。

But some fungicide , such as75 % Chlorothalonil WP against cucumber mildew , 50 % Carbendazin WP and50 % Sumilex WP against tomato grey mould has become fungicide resistance ;

拮抗细菌P78对黄瓜疫病及丝瓜霜霉病的防治作用

Controlling Cucumber Blight and Towel Gourd Downy Mildew with Antibiotic P 78

SPSS分析和UPGMA聚类分析结果表明，供试品种可分为五大类群：第一、二类群为森田尼无核、无核8611等12个欧亚品种，表现感至中感霜霉病；

SPSS analyses and UPGMA cluster analyses indicate that the experimented varieties can be classified into 5 groups : group 1 and 2 are of 12 V. vinifera such as centennial seedless , Wuhe 8611 etc. , showing susceptibility or mid-susceptibility to downy mildew ;

方法：分别用简单指数平滑法、单参数双重指数平滑法、Holt-Winters两参数双重指数平滑法对黄瓜霜霉病时间序列进行预测，比较预测效果。

Methods : Using simple exponential smoothing method , one-parameter double exponential smoothing method and Holt-Winters ' two-parameter double exponential smoothing method respectively , a time series of cucumber downy disease was forecasted .

第一部分的基础试验寻求了一种适合于烟草霜霉病病原分生孢子离体萌发的人工培养基，即2%Bacto（Difco）琼脂培养基；

The Purpose of the first part of ( 1 ) To find a suitable medium ( 2 % Bacto ( Difco ) agar ) for in vitro germination of sporangia of Peronospora hyoscyami ;

田间试验表明Gavel75%水分散粒剂对黄瓜霜霉病有良好的防效，每667m2用制剂量100g为宜，视病情发展情况，可连续喷施2～4次药，间隔期为7～10d。

The result of field trials indicated that Gavel 75 % WG has good performance to control cucumber downy mildew , the suitable use rate is 100g / 667m2 , use times are 2 ~ 4 according to the disease situation and PHI is 7 ~ 10 days .

利用筛选出的预测模型对上海地区霜霉病的发生情况进行了预测模拟，RMSE值在5左右，表明模型可对塑料大棚中黄瓜霜霉病的流行状况进行定量预测。

The RMSE values are about 5 , and the disease index errors are 0.08-8.33 between model forecasting and field surveying . The results showed that the models could be also used in practical forecasting for disease index of cucumber downy mildew in the plastic greenhouse tunnel .

结论HRGP的积累和细胞壁的木质化与黄瓜对霜霉病的抗性反应有关，是寄主抗病反应的生化机制之一。

【 Conclusion 】 The results suggest that the accumulation of HRGP and the deposition of lignin in cell wall are related to resistant reaction of cucumber to downy mildew , and it is considered a biochemical response of cucumber to downy mildew .

对霜霉病、白粉病的抗性强。

It has high resistance to downy midew and powdery mildew .

萝卜霜霉病抗性鉴定及抗性品种筛选

Resistance Identification and Resistant Varieties Screening of Downy Mildew of Radish

大豆霜霉病抗源筛选的研究

Studies on screening of resistance resource to downy mildew of soybean

酿酒葡萄霜霉病季节流行动态与爆发成因

Outbreak Causes and Seasonal Epidemic Dynamics of Wine Grape Downy Mildew

玉米霜霉病及其检测技术研究进展

Research Advantages on Maize Downy Mildews and Detection for the Pathogens

雷西斯苜蓿抗褐斑病和霜霉病；

The Resis was resistant to brown spot and powdery mildew .

贵州独山县水稻霜霉病的发生及鉴定方法

Occurrence and Identification of Rice Downy Mildew in Dushan , Guizhou

引进制汁葡萄品种对白粉病、黑痘病和霜霉病均表现出较强的抗性。

All of the introduced juicing grapes showed strong disease resistance .

芽孢杆菌对黄瓜霜霉病的防治效果研究

Studies on the effect of Bacillus on downy mildew of cucumber

几种生物农药对黄瓜霜霉病的防治效果

Control effect of several bio - fungicides against cucumber downy mildew

葡萄霜霉病预测模型及预警技术研究进展

Progress in Prediction Model and Warning Technology of Grape Downy Mildew