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首页> 美国卫生研究院文献>Brazilian Journal of Microbiology >Management of blight of bell pepper (Capsicum annuum var. grossum) caused by Drechslera bicolor
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Management of blight of bell pepper (Capsicum annuum var. grossum) caused by Drechslera bicolor

机译：处理双色Drechslera引起的甜椒枯萎病（辣椒）

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摘要

Sweet or bell pepper is a member of the Solanaceae family and is regarded as one of the most popular and nutritious vegetable. Blight, in the form of leaf and fruit blight, has been observed to infect bell pepper crops cultivated at the horticulture farm in Rajasthan College of Agriculture, Udaipur, India. Based on disease severity, we attempted to curb this newly emerged problem using different fungicides, plant extracts, bio-control agents, and commercial botanicals against the fungus in laboratory and pot experiments. Bio-control agent Trichoderma viride and plant growth promoting Rhizobacteria (PGPR) isolate Neist-2 were found to be quite effective against bell pepper blight. All evaluated fungicides, botanicals, commercial botanicals, and bio-control agents in vitro were further studied as seed dressers and two foliar sprays at ten days interval in pot experiments. The combinations of Vitavax, PGPR isolate Neist-2, and Mehandi extract were found to be very effective against bell pepper blight followed by Vitavax, T. viride, and Mehandi extract used individually. All treatments in the pot experiments were found to significantly reduce seedling mortality and enhance plant biomass of bell pepper. Thus, these experimental findings suggest that a better integrated management of bell pepper blight could be achieved by conducting field trials in major bell pepper- and chilli-cultivated areas of the state. Besides fungicides, different botanicals and commercial botanicals also seem to be promising treatment options. Therefore, the outcome of the present study provides an alternate option of fungicide use in minimizing loss caused by Drechslera bicolor.
机译：甜椒或甜椒是茄科的一种，被认为是最受欢迎和营养丰富的蔬菜之一。在印度乌代浦拉贾斯坦邦农业学院的园艺农场，人们观察到叶枯病和叶枯病的疫病感染了甜椒作物。基于疾病的严重性，我们尝试在实验室和盆栽实验中使用不同的杀菌剂，植物提取物，生物防治剂和商业植物药来抑制这种新出现的问题。生物防治剂木霉木霉菌和促进植物生长的根瘤菌（PGPR）分离物Neist-2被发现对甜椒枯萎病非常有效。在盆栽实验中，以十天的间隔将所有评估的杀菌剂，植物药，商业植物药和生物防治剂作为拌种机和两次叶面喷雾剂进行进一步研究。发现Vitavax，PGPR分离物Neist-2和Mehandi提取物的组合非常有效，可抗甜椒枯萎病，然后分别使用Vitavax，T。viride和Mehandi提取物。盆栽试验中的所有处理均被发现可显着降低灯笼椒的幼苗死亡率并增强植物生物量。因此，这些实验结果表明，通过在该州主要的青椒和辣椒栽培地区进行田间试验，可以更好地综合控制青椒病。除了杀菌剂，不同的植物药和商业植物药似乎也是有前途的治疗选择。因此，本研究的结果为减少双色Drechslera bicolor造成的损失提供了另一种杀真菌剂选择。

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