| 1. | The outside dew point is so low that mildew is seldom a problem . 户外霜点低,因此霜霉病很少发生。 |
| 2. | During the winter month in arid climates, the outside dew point is low so that mildew is seldom a problem . 冬季的月份里,气候干燥,户外露点低,因此很少发生霜霉病。 |
| 3. | Rules for tobacco seed blue mold quarantine 烟草种子霜霉病检疫规程 |
| 4. | Occurrence and biological control of heart rot of red fuji apple 安克锰锌等杀菌剂防治葡萄霜霉病的药效试验 |
| 5. | The control effects of three import fungicides on cucumber downy mildew in the greenhouse 三种国外药剂对大棚黄瓜霜霉病的防治 |
| 6. | Researches on resistance to downy mildew induced by copolymer of chlorine and potassium ions in cucumber 氯钾离子共体诱导黄瓜对霜霉病抗性的研究 |
| 7. | Plant quarantine - methods for inspection and identification of peronospora hyoscyami de bary f . sp . tabacina skalichy 植物检疫烟霜霉病菌检疫鉴定方法 |
| 8. | Pesticide - guidelines for the field efficacy trials - part 122 : fungicides against downy mildew of grape 农药田间药效试验准则二第122部分:杀菌剂防治葡萄霜霉病 |
| 9. | Pesticide - guidelines for the field efficacy trials - part 115 : fungicides against downy mildew of chinese cabbage 农药田间药效试验准则二第115部分:杀菌剂防治大白菜霜霉病 |
| 10. | Changes in protective enzymes activity in non - heading chinese cabbage brassica campestris ssp . chinensis makino inoculated with peronospora parasitica 不结球白菜接种霜霉病菌后防御酶活性的变化 |