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- stevia leaf spot disease 甜叶菊
- The biological characteristics of the pathogenic agent of steviae leaf spot disease 甜叶菊斑枯病病原菌的生物学特性
- 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。
- Bacterial leaf spot disease of malabar spinach (Basella rubra) was discovered in Jiangsu Province in 1994. The disease has not been reported before. 1994年在江苏省南京及镇江地区新发现了落葵细菌性叶斑病 ,从病斑所分离的 10个细菌菌株经柯赫氏法则验证 ,均确系该病的病原菌。
- The phenotypic correlation was positive for pod rot severity with leaf spot disease, but negative with pod and kernel yields, in spring crop. 外表型相关，只有在春作荚果黑斑病罹病度与叶斑病呈显著正相关，而与荚果及籽粒产量则呈显著负相关。
- Disease to maize southern leaf spot disease was induced by culture filtrate of Bipolaris maydis race C toxin cultivation. 利用低浓度玉米小斑病菌C小种毒素培养滤液作为激发子诱导玉米获得抗病性。
- One hundred and sixty-eight germplasms were investigated for resistance to loquat leaf spot disease under natural field condition. 摘要在自然发病情况下，调查了168份枇杷种质资源对叶斑病的抗病情况。
- It belongs to the standard type (N-type) sugarbeet variety with stronger heterosis, better resistance to the leaf spot disease (Cercospora) and wider adaptability. 双丰14号品种属于标准型(N)抗病品种,有较强的杂种优势,抗褐斑病性强,适应性广泛。
- This paper summarizes the history and main symptoms of banana leaf spot disease caused by Mycosphaerella spp.; and also deals with the taxonomy status, biological properties, isolation, detection, and identification of the pathogen. 根据国内外近年来香蕉叶斑病的研究概况，对香蕉叶斑病的历史、主要症状、病原菌的分类及生物学特性、病原菌的分离、监测和鉴定技术、病害的流行条件及防治方法进行了综述。
- a fungous leaf spot disease of the celery plant. 芹菜的叶子上出现斑点。
- a fungous leaf spot disease of the celery plant 芹菜的叶子上出现斑点
- A Leaf Spot Disease on Rubber Tree 橡胶树棒孢叶斑病
- Research on Tobacco Angular Leaf Spot Disease 烟草角斑病研究进展
- bacterial angular leaf spot disease 细菌性角斑病
- Drying stevia leaves is a tiring work. 图4：晾乾菊叶是最辛苦的工作，需顶著烈日，不断翻搅。
- Corn Curvularia leaf spot disease 玉米弯孢菌叶斑病
- Curvularia leaf spot disease of maize 玉米弯孢叶斑病
- 2. a fungous leaf spot disease of the celery plant. 芹菜的叶子上出现斑点。
- The Research Progress of Maize Curvularia Leaf Spot Disease 玉米弯孢叶斑病的研究进展
- The outbreak of stevia leaf blight was investigated and analyzed on pathogen and its regularity according to 5 year data in the Southwest of Shandong. 摘要综合分析了5年的研究资料，探讨了鲁西南地区甜叶菊叶枯病的病原及其发生规律。
