| 词汇 | leaf-rust |
| 释义 | leaf rust noun[ U ] botany specializeduk /ˈliːf ˌrʌst/ us /ˈliːf ˌrʌst/ a disease caused by a fungus (= a type of organism that gets its food from decaying material or other living things) that affects cereals(= plants grown to produce grain) and other crops: （植物）叶锈病 I have noticed quite a bit of leaf rust in the corn due to the cool and wet weather.我注意到由于天气寒冷潮湿，玉米中有相当多的叶锈。 The fungus, called leaf rust, thrives in shady, moist environments. For leaf rust, he recommends proper pruning, tree spacing, and keeping a clean garden. Barley leaf rust has been recently identified in the Gairdner River area. Coffee leaf rust is found in virtually every country that produces coffee. Plant pathology anthracnose antifungal apple scab ash dieback auxin canker downy mildew dry rot Dutch elm disease etiolated excrescence fungicidal leaf scorch leaf spot nodal organophosphate pesticide potato blight scald sterility |
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