野生马铃薯新品种及种间体细胞杂交种抗晚疫病新来源的鉴定及其独特性、均匀性和稳定性(DUS)鉴定

Q2 Agricultural and Biological Sciences

International Journal of Vegetable Science Pub Date : 2023-08-21 DOI:10.61180/vegsci.2023.v50.i1.14

Nisha Bhatia, J. Tiwari, Chandresh Kumari

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引用次数: 0

摘要

对40个马铃薯基因型(包括野生茄种和种间体细胞杂交种)进行了抗晚疫病和特异性、均匀性和稳定性(DUS)描述子的鉴定。与对照品种Kufri Jyoti(易感)、Kufri Bahar(高易感)和Kufri Girdhari(高抗)相比，32个基因型(14个野生种+ 18个体细胞杂交种)对晚疫病具有高度抗性，4个基因型具有抗性，1个基因型具有中等抗性。所有野生种对晚疫病均有较高的抗性。此外，基于51个DUS描述子的形态学表征显示了所研究基因型的表型变异。因此，我们确定了马铃薯抗晚疫病的野生品种和体细胞杂交种，可以作为抗晚疫病育种的潜在来源。

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Identification of novel late blight resistance source in wild potato species and interspecific somatic hybrids, and their distinctness, uniformity and stability (DUS) characterization

Forty potato genotypes, including wild Solanum species and interspecific somatic hybrids were characterized for late blight resistance and distinctness, uniformity and stability (DUS) descriptors. Thirty-two genotypes (14 wild species + 18 somatic hybrids) were found highly resistant to late blight, whereas 4 were resistant and 1 was moderately resistant compared to the control varieties viz., Kufri Jyoti (susceptible), Kufri Bahar (highly susceptible), and Kufri Girdhari (highly resistant). All wild species were high resistant to late blight. Further, morphological characterization based on 51 DUS descriptors showed phenotypic variation in the genotypes studied. Thus, we identified late blight-resistant potato wild species and somatic hybrids, which could serve as a potential source for late blight resistance breeding.

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来源期刊

International Journal of Vegetable Science Agricultural and Biological Sciences-Plant Science

CiteScore

3.10

自引率

0.00%

发文量

期刊介绍： The International Journal of Vegetable Science features innovative articles on all aspects of vegetable production, including growth regulation, pest management, sustainable production, harvesting, handling, storage, shipping, and final consumption. Researchers, practitioners, and academics present current findings on new crops and protected culture as well as traditional crops, examine marketing trends in the commercial vegetable industry, and address vital issues of concern to breeders, production managers, and processors working in all continents where vegetables are grown.