Screening new Arachis amphidiploids, and autotetraploids for resistance to late leaf spot by detached leaf technique

被引：11

作者：

Mallikarjuna, Nalini ^{[1
]}

Jadhav, Deepak R. ^{[1
]}

Reddy, Kanaka ^{[1
]}

Husain, Fatema ^{[1
]}

Das, Kumkum ^{[1
]}

机构：

[1] Int Crops Res Inst Semi Arid Trop, Patancheru 502324, Andhra Pradesh, India

来源：

EUROPEAN JOURNAL OF PLANT PATHOLOGY | 2012年 / 132卷 / 01期

关键词：

Arachis species; Arachis hypogaea; Amphidiploids; Autotetraploids; Late leaf spot resistance;

D O I：

10.1007/s10658-011-9859-2

中图分类号：

S3 [农学（农艺学）];

学科分类号：

0901 ;

摘要：

Cultivated groundnut is susceptible to late leaf spot (LLS) caused by Phaeoisariopsis personata [(Berk. & M.A. Curtis) Aex] and resistance is low to moderate in the primary gene pool of groundnut. Closely related wild species in the secondary gene pool are highly resistant to the disease. All the closely related Arachis species are diploid and cultivated groundnut is a tetraploid. Utilization of diploid Arachis species to transfer LLS resistance is time consuming and cumbersome. New sources of Arachis hypogaea (also called synthetic groundnut) were developed at ICRISAT. These are tetraploids and the present investigation has shown that they are resistant to LLS.

引用

页码：17 / 21

页数：5

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