查询词典 cucumber mildew

The results demonstrated that these models could be used to forecast the occurrence and epidemics of cucumber powdery mildew in the plastic tunnel.

始病期预测模型的RMSE值在2以下，流行程度预测模型的RMSE值在6以下，表明模型可对塑料大棚黄瓜白粉病始病期和流行程度进行定量预测。

In this paper, Ts-86 extract was tested for the protection effect on powdery mildew of cucumber and was further studied for the stability, the duration of the efficacy and the inhibitory spectrum of fungi.

本文测试了中草药Ts-86提取物对黄瓜白粉病菌的保护活性，并对其稳定性、持效期及抑菌谱等作了进一步研究。

The occurrence and development of cucumber powdery mildew was investigated under simulated plastic tunnel condition. The forecasting models of disease occurrence on-set date and disease severity were established by regression, and their root mean squar error values were less than 2 and 6, respectively.

在室内人工气候箱内，通过人工接种和模拟高温高湿环境的方法研究了黄瓜白粉病的发生和流行趋势，采用SAS统计软件对试验数据进行相关和回归分析，建立了黄瓜白粉病始病期与流行程度的预测模型。

Bamboo vinegar ; Downy mildew of cucumber ; Effect of controlling

竹醋液；黄瓜霜霉病；防治效果

The effect of the mixture was 98.4 to 71.5% against powdery mildew of cucumber at 10-40 mg/L. The results showed that the mixtures in 1﹕10 had obvious synergistic interaction, and it can postpone fungicide resistance.

苯醚菌酯·戊唑醇的作用机制虽然不同，但2种有效成分组合在一起，对白粉病具有明显的增效作用，并还能有效延缓抗性的产生。

The fermrntation supernatant of endophytic actinomycetes GKSHJA and PR1-8 played a role in cucumber powdery mildew protection.

内生放线菌GKSHJA及PR1-8发酵上清液对黄瓜白粉病防治有较好的保护性作用。

Laxiflora by ethanol and water on cucumber powdery mildew was best when the medicine was used 6 days later and the control and prevention effects were obviously decreased when the medicine was used 9 days later.

水柏枝的乙醇、水提取液对黄瓜白粉病的防治效果在施药6d后最好，施药9d后的治疗和预防的效果均明显下降。

The combined use of the extract from M. laxiflora by ethanol with DDV had the best control effect on cucumber powdery mildew.

结论］水柏枝乙醇提取液和DDV混合使用对黄瓜白粉病的防治效果最佳。

The value of EC90 of 80% dimethomorph WG's control of cucumber downy mildew was 58.32 mg/L, and the value of LC50 of 80% fipronil WG samples on diamondback moth was 0.5196 mg /L, which meaned the indoor toxicity of the two WGs reached the level of the best foreign similar products.

制得的80%烯酰吗啉WG防治黄瓜霜霉病的EC90值为58.32 mg/L，80%氟虫腈WG样品对小菜蛾的LC50值为0.5196 mg/L，室内毒力达到了国外同类制剂最好产品水平。

With conventional PCR primer pair XBFF/R,the same 352bp bands appeared by amplifying all the DNA samples from the eight races,and no bands appeared by amplifying all the DNA samples from the 9 plant pathogen species(Cucumber powdery mildew,wheat yellow rust,wheat leaf rust,wheat stem rust,wheat scab,wheat sheath blight,wheat loose smut,maize sheath blight and maize head smut)and control.

3用常规PCR和实时荧光PCR两种方法对温室接种的小麦白粉病进行了检测，并在时间上与自然显症的观察进行了比较，结果表明：在温室条件下，小麦白粉病菌在接种后第5d时开始出现小麦白粉病病斑，而利用常规PCR引物XBFF/R可在接种第3d检测到小麦白粉病菌，比自然显症观察能够提前了2d检测到白粉病菌；实时荧光PCR法可在接种后1d即能检测到小麦白粉病菌，比自然显症观察能够提前了4d检测到白粉病菌，这可为白粉菌的预测或预警检测提供依据，更可为白粉病在流行前制定防治决策赢得宝贵时间。4。

However, as the name（read－only memory）implies, CD disks cannot be written onorchanged in any way.

然而，正如其名字所指出的那样，CD盘不能写，也不能用任何方式改变其内容。

Galvanizes steel pallet is mainly export which suits standard packing of European Union, the North America. galvanizes steel pallet is suitable to heavy rack. Pallet surface can design plate type, corrugated and the gap form, satisfies the different requirements.

镀锌钢托盘多用于出口，替代木托盘，免薰蒸，符合欧盟、北美各国对出口货物包装材料的法令要求；喷涂钢托盘适用于重载上货架之用，托盘表面根据需要制作成平板状、波纹状及间隔形式，满足不同的使用要求。