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首页> 外文期刊>HortScience >Sources of Resistance for Two-spotted Spider Mite (Tetranychus urticae) in Scarlet (Solanum aethiopicum L.) and Gboma (S. macrocarpon L.) Eggplant Germplasms
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Sources of Resistance for Two-spotted Spider Mite (Tetranychus urticae) in Scarlet (Solanum aethiopicum L.) and Gboma (S. macrocarpon L.) Eggplant Germplasms

机译：猩红色（Solanum Aethiopicum L.）和Gboma（S. macrocarpon L.）茄子种质中的双斑点蜘蛛螨（Tetranychus urticae）的抵抗源。茄子种质

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摘要

The two-spotted spider mite, Tetranychus urticae, is a serious global pest of eggplants and other vegetables in the tropics and subtropics. The scarlet (Solanum aethiopicum L.) and gboma (Solanum macrocarpon L.) are two cultivated eggplants indigenous to sub-Saharan Africa. In this study, 120 accessions of S. aethiopicum and five accessions of S. macrocarpon from the World Vegetable Center's genebank collection were evaluated for spider mite resistance based on leaf damage scores and trichome types and densities. The highest levels of resistance were detected in S. macrocarpon accessions VI050393 and VI050444. In addition, two accessions of S. aethiopicum, VI042749 and VI042753, were moderately resistant. All other S. aethiopicum accessions were susceptible or highly susceptible. Spider mite resistance was significantly associated with the presence of type VII glandular trichome, but nonglandular stellate trichomes were not associated with resistance. The resistant S. macrocarpon accessions can be directly used as resistant cultivars or in prebreeding programs aimed at breeding resistant lines of the most commonly cultivated eggplant (S. melogena).
机译：两斑的蜘蛛螨Tetranychus荨麻疹是一种严重的全球茄子和其他蔬菜在热带和副数据中。猩红色（Solanum Aethiopicum L.）和Gboma（Solanum Macrocarpon L.）是撒哈拉以南非洲的两种栽培茄子。在这项研究中，根据叶片损伤分数和毛状体类型和密度，评估了来自世界蔬菜中心的Genebank收集的120种S. Aethiopicum和来自世界蔬菜中心的Genebank集合的宏观肉类的五种牧草。在宏型宏糖尿病vi050393和vi050444中检测到最高水平的抗性。此外，两种含有S. Aethiopicum，VI042749和VI042753的含量适度抵抗。所有其他S. Aethiopicum access易感或极易感。蜘蛛螨抗性与VII型腺体滴毛组的存在显着相关，但是Nonglandular星状乳细胞与抗性无关。耐药S.宏观糖类可直接用作耐种品种或旨在抗生素的抗性计划，旨在育种最常见的茄子（S. Melogena）。

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