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- By performing these standards, the cucumber diseases and pests will be safely controlled from varieties selection, sowing, grow seedlings, setting and harvest. 通过执行此项标准,将使天津市黄瓜从品种选择、播种、育苗、定植直至收获全程病虫害得到安全防控。
- Increases in humidity. decreases in temperature and sunlight are the external-causes of cucumber disease outbreak.The longer the succession, the severer is the spread of soil-borne diseases. 温室内温度降低、湿度提高、光照下降,是导致黄瓜病害发生加重的外部条件。
- The results showed that efficacy of 16 isolates among them was higher than 80%, and the isolate 2507 was the best one with efficacy over 95%on the cucumber disease by artifical inoculation after reevaluted. 把防治效果达80%25以上的菌株作为初筛入选菌株,结果选出16个菌株进入复筛;然后对其产生的抗生素2507在温室进行防治黄瓜疫病试验和田小区防治小白菜霜霉病试验。
- Hypogenetic plant, lower photosynthetic rates and enzyme activities decrease self-resistance of the cucumber plant to disease.These form the internal-causes of cucumber disease outbreak. 黄瓜植株生长发育不良,黄瓜的光合速率及抗性酶活性降低,植株自身抗病性下降,是引起黄瓜病害发生加重的内因;
- I like to eat cucumber sandwiches. 我喜欢吃有黄瓜的三明治。
- New Tendency and Preventable Tactics of Non - social Effects of Pollution of Cucumber Diseases 黄瓜病害发展新趋势与无公害防治策略
- Biocontrol of Cucumber Diseases in the field by plant growth-promoting Rhizobacteria with and without Methyl Bromide fumigation 溴甲烷土壤熏蒸处理,植物促生菌对大田黄瓜病害的生物防治作用
- The study of viruses and viral diseases. 病毒学一种病毒和病毒性疾病的研究
- In our garden we have egg-plants, cucumber and potato. 在我们的菜园里,我们种了茄子,黄瓜和土豆。
- Many dangerous diseases are carried by insects. 许多危险的疾病是由昆虫传播的。
- Most diseases could be wiped out. 大多数疾病是可以被消灭的。
- Certain ear diseases can affect one's equilibrium. 某些耳疾会影响人的平衡能力。
- I know my father -- he will be as cool as a cucumber. 我了解我父亲--他会保持冷静的。
- Some diseases are present by heredity. 有些疾病是由于遗传导致的。
- Dr. White specialized in children's diseases. 怀特医生专治儿科疾病。
- The cause of this diseas is kept unknown sa far. 造成这种疾病的原因迄今几乎一无所知。
- Many diseases are caused by bacteria. 许多疾病是由细菌引起的。
- The study of sexually transmitted diseases. 性病学对性传染疾病的研究
- This suggest that NIDDM is a heterogoneous diseas. 认为NIDDM是一种异质性疾病;
- I know my father--he will be as cool as a cucumber. 我了解我父亲--他会保持冷静的。
