The cercospora leaf spot is one of the main diseases infecting sugarbeet.

褐斑病是甜菜的主要病害之一,危害性很大.

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Field efficacy trials indicated relativity good control of banana sigatoka leaf spot disease.

田间药效试验结果表明,对香蕉叶斑病有较好的防效.

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Curvularia lunata was considered as prevalent pathogens to cause corn Curvularia leaf spot disease.

新月弯孢菌是引起玉米弯孢菌叶斑病的优势病原菌.

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Fig . 2 . Conidiophores and conidia Alternaria alternata produced on leaf spot of Basella rubra ( A, B ).

落葵叶斑病斑上的病原菌孢子梗及孢子 ( A, B ).

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Gray leaf spot damages leaves at or just after silking stage and causes severe yield reduction.

灰斑病菌在抽丝期期间或结束后损害叶片,导致严重减产.

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A new pathovar of Curtobacterium flaccumfaciens causing bacterial leaf spot of sugar beet.

引起糖甜菜细菌性叶斑病的萎蔫短小杆菌新致病变种.

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The resistance of soybean cultivars disease could affect the relationship of soybean frogeye leaf spot.

协方差分析结果表明,大豆品种的抗病性对这一相关关系有一定的影响.

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