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- northern corn leaf spot 玉米圆斑病
- northern corn leaf blight (NCLB) 玉米大斑病
- Keywords: corn leaf spot, Curvularia lanata, fungicide, prevention and control., 关键词:玉米弯孢菌叶斑病,杀菌剂,防效
- Northern corn leaf blight 玉米大斑病
- Fig. 1. Symptom of leaf spot on Basella rubra. 一、落葵叶斑病之病徵。
- The corn leaves rustled in the wind. 玉米叶子被风吹得刷刷响。
- A NEW SPECIES OF CERCOSPORA CAUSING LEAF SPOT OF MELIOSMA SP. 引起泡花树属叶斑的尾孢菌属一新种。
- The pathogen of gray leaf spot had different pathogenicity. 玉米灰斑病病原菌种群中致病性存在差异。
- Control rust and powdery mildew of wheat,sheat and culm blight of rice,leaf spot corn,black rot of pineapple,powdery mildew of melon,fruit and vegetable,stream canker and powdery mildew of rubber. 用于小麦锈病，水稻纹枯病及云纹病，棉花叶斑病，瓜果蔬菜白粉病，凤梨黑腐病，橡胶条溃病、白粉病。
- Corn leaf spots and blight 玉米叶斑病
- 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。
- The decomposing process of corn leaf residues(CLR)was studied by FTIR differential analysis,and the differential spectra were compared with normal spectra. 采用示差光谱法对玉米叶片残体腐解过程进行了研究，并与常规谱进行了比较。
- In recent years corn leaf mites agravated year after year in Shanxi province,and now it is threatening greatly the security of corn production. 近年来玉米叶螨在山西的发生逐年加重,已成为玉米安全生产的巨大隐患。
- Leaf blight and leaf spot of corn 玉米大小斑病
- The pathogen was identified as cucumber target leaf spot according to Koch's Postulation and biological characteristics. 根据柯赫氏法则和生物学特性，鉴定为黄瓜褐斑病，又叫靶斑病。
- Effects of nitrogen and calcium on polyphenol oxidase, peroxidase and leaf spot in carnation. 氮钙对香石竹多酚氧化酶、过氧化物酶和叶斑病的影响。
- Fig. 2. Conidiophores and conidia of Alternaria alternata produced on leaf spot of Basella rubra(A,B). 二、落葵叶斑病斑上的病原菌孢子梗及孢子(A,B)。
- A laboratory study was made on the effects of transgenic corn expressing cry1Ab toxin from the bacterium Bacillus thuringiensis(Bt) on the life table of an experimental population of corn leaf aphid Rhopalosiphum maidis Fitch. 在人工气候箱条件下研究了玉米蚜(Rhopalosiphum maidisFitch)取食表达cry1Ab杀虫蛋白Bt抗虫玉米的实验种群生命表.
- And to angular leaf spot, 14 of all lines were resistant, two was susceptive, the others were mid-resistant. 14份材料抗角斑病，2份表现感病，其余均为中抗类型；
- Thirdly, every reginal of the object is labeled and calculated its’ pixel number.Lastly, the corn leaf’s real area can be got through the corn leaf’s pixel number and the image resolution ratio. 接着进行区域标记与区域像素数统计，区域像素数结合图像分辨率就可以获得玉米叶片的实际面积。
