Evaluation of capsicum hybrids against viral diseases under protected cultivation in Dharwad, Karnataka

C. Channakeshava, Patil
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Abstract

Screening of capsicum hybrids were conducted under protected cultivation during kharif 2018 and rabi 2018-19. The results indicated that out of fourteen hybrids screened, none of them were found to be highly resistant, resistant and moderately resistant during both the seasons. During kharif 2018 out of fourteen hybrids screened, six hybrids were found to be moderately susceptible viz., Maxibell, Shristika, SV1865PB, Asha, Arka Gaurav and Arka Basanti for leaf curl disease. For mild mottle disease, hybrids Arka Gaurav and Arka Basanti recorded moderately resistant reaction. However, during rabi 2018-19 eight hybrids viz., Maxibell, Shristika, SV1865PB, Asha, Indra, Arka Gaurav, Arka Basanti and Rithal showed susceptible reaction for leaf curl disease. Whereas, eight hybrids viz., Shristika, SV1865PB, Asha, Indra, Arka Gaurav, Arka Basanti, 35-160-R2 and NSX 8 recorded moderately susceptible for mosaic disease. The symptoms observed during screening included mosaic and mottling, yellow discoloration, vein clearing, leaf deformation and narrowing, stunted plant growth, reduced fruit setting and light green colour mottling symptoms on fruits.
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卡纳塔克邦达尔瓦德辣椒保护栽培杂种抗病毒性评价
在2018年秋收期和2018- 2019年秋收期进行了辣椒杂交种的保护栽培筛选。结果表明,在筛选的14个杂交种中,没有一个在两个季节都具有高度抗性、抗性和中等抗性。在2018年收获季筛选的14个杂交种中,发现6个杂交种对叶曲病中度易感,即Maxibell、Shristika、SV1865PB、Asha、Arka Gaurav和Arka Basanti。对于轻度斑驳病,杂交品种Arka Gaurav和Arka Basanti记录了中度抗性反应。而在2018- 2019年秋,8个杂交种即Maxibell、Shristika、SV1865PB、Asha、Indra、Arka Gaurav、Arka Basanti和Rithal对卷曲病表现出敏感反应。而8个杂交种Shristika、SV1865PB、Asha、Indra、Arka Gaurav、Arka Basanti、35-160-R2和nsx8对花叶病中度易感。筛选过程中观察到的症状包括花叶和斑驳、黄色变色、静脉清除、叶片变形和变窄、植株生长迟缓、坐果减少和果实淡绿色斑驳症状。
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