| 词汇 | leaf-spot |
| 释义 | leaf spot noun[ U ] botany specializeduk /ˈliːf ˌspɒt/ us /ˈliːf ˌspɑːt/ a plant disease caused by a fungus (= a type of organism that gets its food from decaying material and other living things), by bacteria, or by a virus that creates spots on the leaves: （植物）叶斑病 Despite the reports of leaf spot and other diseases, not all farmers are having a bad year. 尽管有叶斑病和其他病害的报道，但并非所有农民今年的日子都不好过。 The plants are resistant to mildew, big bud mite, and leaf spot. Fungal leaf spot has been observed, but no serious damage has resulted. There are several varieties of peaches that resist bacterial leaf spot. The low yield could be accounted for by early infection of leaf spot disease. Plant pathology anthracnose antifungal apple scab ash dieback auxin canker downy mildew dry rot Dutch elm disease etiolated excrescence fungicidal leaf rust leaf scorch nodal organophosphate pesticide potato blight scald sterility |
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