Transmission of resistance to papaya ringspot virus (PRSV) in intergeneric populations of Carica papaya and Vasconcellea cauliflora

被引：2
作者：
Jayavalli, R. [1 ]
Balamohan, T. N. [2 ,3 ]
Manivannan, N. [4 ]
Rabindran, R. [5 ]
Paramaguru, P. [6 ]
Robin, R. [7 ]
机构：
[1] Tamil Nadu Agr Univ, Hort Res Stn, Thadiyankudisai, India
[2] Tamil Nadu Agr Univ, Hort Coll, Periyakulam, India
[3] Tamil Nadu Agr Univ, Res Inst, Periyakulam, India
[4] Tamil Nadu Agr Univ, Dept Oil Seeds, Coimbatore 641003, Tamil Nadu, India
[5] Tamil Nadu Agr Univ, Dept Plant Pathol, Coimbatore 641003, Tamil Nadu, India
[6] Tamil Nadu Agr Univ, Dept Spices & Plantat Crops, Coimbatore 641003, Tamil Nadu, India
[7] Tamil Nadu Agr Univ, Ctr Plant Breeding & Genet, Coimbatore 641003, Tamil Nadu, India
来源：
SCIENTIA HORTICULTURAE | 2015年 / 187卷
关键词：
Carica papaya; Vasconcellea cauliflora; Intergeneric F-2 populations; Papaya ringspot virus (PRSV); YELLOW-MOTTLE-VIRUS;
D O I：
10.1016/j.scienta.2015.01.020
中图分类号：
S6 [园艺];
学科分类号：
0902 ;
摘要：
The current investigation was undertaken on "transmission of resistance to papaya ringspot virus (PRSV) in intergeneric populations of Carica papaya and Vasconcellea cauliflora". In this study, the three F-2 populations raised from S-1 inbreds were screened and the desired male and female plants were selected for sibmating. The F-2 populations of various combinations segregated for susceptibity and resistance to papaya ringspot virus in two different ratios. The cross combination CO 7 x V. cauliflora (CO7V3) exhibited a 15:1 ratio (duplicate gene action) and the crosses Pusa Nanha x V. cauliflora (PNV9) and CP 50 x V. cauliflora (CPV23) exhibited 13:3 ratio (inhibitory gene action). The study revealed multi-genic inheritance of resistant to PRSV which uniquely exhibit inter-genic interactions. (C) 2015 Elsevier B.V. All rights reserved.
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页码：10 / 14
页数：5
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