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Genetic study of resistance to downy mildew in muskmelon (Cucumis melo L.)

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Title Genetic study of resistance to downy mildew in muskmelon (Cucumis melo L.)
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Creator K.T. Shashikumar1 , M. Pitchaimuthu2 and R.D. Rawal2
 
Subject Muskmelon, heterosis, combining ability, per cent disease index, adult plant resistance, downy mildew
 
Description Not Available
Abstract
Thirty F1 hybrids were developed by crossing six female parents with five male parents in a line x tester mating design.
Adult muskmelon plants of parents and hybrids were evaluated in greenhouse and field conditions. Significant variances for
general combining ability (GCA) and specific combining ability (SCA) indicated the importance of both additive and non additive gene actions for the expression of resistance. Inbred lines IIHR 352, IIHR 190 and IIHR 122 demonstrated
consistently high and negative gca effects in both screening conditions. Arka Jeet x IIHR 121, Arka Jeet x IIHR 122,
Punjab Sunehri x IIHR 190, Punjab Sunehri x IIHR 718, IIHR 681 x IIHR 121, IIHR 681 x IIHR 122 and IIHR 352 x IIHR
616 were the hybrids expressed high per se performance, high mid-parent heterosis and high sca effects. The study
highlights the importance of harnessing useful genes from diverse parental lines to improve resistance to
Pseudoperonospora cubensis in adapted muskmelon varieties/cultivars.
Not Available
 
Date 2021-07-29T09:39:56Z
2021-07-29T09:39:56Z
2017-03
 
Type Article
Research Paper
 
Identifier Y - JOUR AU - Shashikumar, K.T. AU - Pitchaimuthu, Mottaiyan AU - Rawal, R.D. PY - 2017/03/01 SP - 20 EP - 25 T1 - Genetic study of resistance to downy mildew in muskmelon (Cucumis melo L.) VL - 8 DO - 10.5958/0975-928X.2017.00003.5 JO - Electronic Journal of Plant Breeding ER -
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http://krishi.icar.gov.in/jspui/handle/123456789/51117
 
Language English
 
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Publisher Not Available