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首页> 外文期刊>International Journal of Vegetable Science >Response of Capsicum Genotypes to Cercospora Leaf Spot Disease and Yield as a Result of Natural Infection in the Tropics
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Response of Capsicum Genotypes to Cercospora Leaf Spot Disease and Yield as a Result of Natural Infection in the Tropics

机译：热带自然感染的原因对辣椒基因型对Cercospora叶斑病疾病和产量的影响

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摘要

Cercospora leaf spot (CLS) disease caused by Cercospora capsici on Pepper {Capsicum spp.) Is a major constraint to pepper production. Field experiments were conducted under tropical conditions to evaluate pepper genotypes for reactions to CLS as a result of natural infection in two cropping seasons. Six-week-old pepper seedlings were transplanted to the field and plants were randomly sampled for symptom expression and to isolate the causal organism. Data were collected on disease incidence, severity,and fruit yield. Disease incidence and severity and yield were affected by genotype, season, and the Genotype x Season interaction. Capsicum chinense (Jacq.), cv. Rodo, and C. frutescens L, cv. Ata wewe, were moderately resistant to CLS in both seasons;C. frutescens, cv. NHVI-AB, and C. frutescens, cv. Sombo wewe, produced higher fruit yields in wet and dry seasons, respectively. Production of Capsicum can be undertaken in the dry season with little incidence of Cercospora leaf spot.
机译：Cercospora Capsici对胡椒菌（Capsicum spp）引起的植物孢菌叶斑病（Cls）疾病是辣椒生产的主要约束。 在热带条件下进行现场实验，以评估Pepper基因型在两个种植季节的自然感染导致Cls的反应。 将六周少的胡椒幼苗移植到该领域，随机取样植物以进行症状表达，并分离因果生物体。 收集数据疾病发病率，严重程度和果实产量。 疾病发病率和严重程度和产量受基因型，季节和基因型X季节相互作用的影响。 Capsicum chinense（jacq。），cv。 罗德和C. Frutescens L，CV。 ATA Wewe，在两个季节都对CLS进行了适度抵抗; C。 Frutescens，CV。 NHVI-AB和C. Frutescens，CV。 Sombo Wewe，分别在潮湿和干燥季节产生了更高的水果产量。 辣椒的生产可以在干燥季节进行，植物孢子叶斑点几乎没有发病率。

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