Inheritance of Resistance to Papaya Ringspot Virus-Watermelon Strain in Watermelon

被引:0
|
作者
Guner, Nihat [1 ]
Pesic-VanEsbroeck, Zvezdana [2 ]
Rivera-Burgos, Luis A. [3 ]
Wehner, Todd C. [3 ]
机构
[1] Sakata Seed Amer Inc, Morgan Hill, CA 95037 USA
[2] North Carolina State Univ, Dept Entomol & Plant Pathol, Raleigh, NC 27695 USA
[3] North Carolina State Univ, Dept Hort Sci, Raleigh, NC 27695 USA
关键词
Citrullus lanatus; single recessive gene; allelism test; plant introduction; MOSAIC-VIRUS; CUCURBIT CROPS; PRSV-W; DISEASES; LINKAGE; FLORIDA; SINGLE; SQUASH; MELON;
D O I
10.21273/HORTSCI12944-18
中图分类号
S6 [园艺];
学科分类号
0902 ;
摘要
Sources of resistance to the watermelon strain of papaya ringspot virus-watermelon strain (PRSV-W) have been identified within the watermelon (Citrullus lanatus) germplasm collection. Inheritance of the resistance to PRSV-W was studied in three Citrullus amarus (formerly C. lanatus var. citroides) PI accessions: PI 244017, PI 244019, and PI 485583. Three susceptible parent lines, 'Allsweet', 'Calhoun Gray', and 'New Hampshire Midget', were crossed with resistant PI accessions to develop F-1, F-2, and BC1 progenies in six families. A single recessive gene was found to control the resistance to PRSV-W in all three resistant PI accessions. Allelism tests indicated that the three PI accessions carry the same resistance allele to PRSV-W. The gene symbol 'prv' is proposed for PRSV-W resistance in PI 244017, PI 244019, and PI 485583 in watermelon.
引用
收藏
页码:624 / 627
页数:4
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