辣椒厄瓜多尔基因型对烟粉虱侵害的评价

IF 0.5 Q4 BIOLOGY

Revista Peruana de Biologia Pub Date : 2022-08-28 DOI:10.15381/rpb.v29i3.22729

Steeven Muñoz-Ponce, L. Corozo-Quiñónez, D. Chirinos, F. R. Garcés-Fiallos, Á. Monteros-Altamirano

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引用次数: 0

摘要

辣椒属，原产于热带和亚热带美洲，属于茄科，包括商业上重要的蔬菜，如辣椒和青椒。银叶粉虱(Gennadius)(半翅目:粉虱科)对包括辣椒在内的蔬菜造成损失。在害虫防治的替代方法中，利用寄主植物的抗性是一种有效、经济、环保的方法。本文对厄瓜多尔基因库中的73个辣椒基因型进行了烟粉虱侵染研究，分别为年度辣椒、巴accatum辣椒、sinense辣椒、frutescens辣椒和短毛辣椒。84%的烟粉虱基因型种群密度最高，而所有基因型的烟粉虱种群密度最低(p < 0.05)。烟粉虱对烟粉虱和烟粉虱基因型的不偏好和产卵量的减少表明烟粉虱对烟粉虱的抗性来自于抗虫性。这些结果可以指导辣椒品种对烟粉虱的抗性育种。

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Evaluation of Ecuadorian genotypes of Capsicum spp. against infestations of Bemisia tabaci

The genus Capsicum, native to tropical and subtropical America, belongs to the Solanaceae family, which includes commercially important vegetables such as chilies and green peppers. The silverleaf whitefly Bemisia tabaci (Gennadius) (Hemiptera: Aleyrodidae), causes losses to vegetables including Capsicum species. Among the alternatives of pest control, an effective, economical, and environmentally compatible method is the resistance of the host plant. Infestation by B. tabaci was evaluated in 73 Capsicum genotypes, corresponding to the species C. annuum, C. baccatum, C. sinense, C. frutescens and C. pubescens from an Ecuadorian genebank. Eighty-four percent of the C. baccatum genotypes evaluated showed the highest population densities of B. tabaci, while all the genotypes of C. sinense and C. frutescens had the lowest values (p < 0.05). The non-preference of adults and the scarce oviposition of B. tabaci on genotypes of C. sinense and C. frutescens suggests resistance due to antixenosis. These results could guide breeding programs for the resistance of Capsicum species to B. tabaci infestations.

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来源期刊

Revista Peruana de Biologia Agricultural and Biological Sciences-Agricultural and Biological Sciences (all)

CiteScore

1.30

自引率

20.00%

发文量

审稿时长

16 weeks

期刊介绍： The REVISTA PERUANA DE BIOLOGIA is a peer reviewed scientific journal, published by Instituto de Investigaciones de Ciencias Biológicas Antonio Raimondi, Facultad de Ciencias Biológicas, Universidad Nacional Mayor de San Marcos, Lima, Perú. It is publish on line and printed form in February, May, August, November. The REVISTA PERUANA DE BIOLOGIA publishes original research articles of outstanding scientific significance and relevance on topics of biodiversity, biotechnology, ecology, environmental management and biomedicine. The works may be submitted in English or Spanish. The articles will be reviewed by referees according to international standards of quality, creativity, originality and contribution to knowledge.