TOMATO WILD RELATIVES AS A SOURCE OF GERMPLASM FOR BREEDING OF THE SPECIES

被引：0
|
作者：
Flores-Hernandez, Luis A. [1 ]
Lobato-Ortiz, Ricardo [1 ]
Jesus Garcia-Zavala, J. [1 ]
Molina-Galan, Jose D. [1 ]
Sargerman-Jarquin, Dora Ma. [2 ]
Velasco-Alvarado, Mario de J. [1 ]
机构：
[1] Colegio Postgrad, Postgrad Recursos Genet & Productividad Genet, Km 36.5 Carr Mexico Texcoco,Campus Montecillo, Montecillo 56230, Texcoco, Mexico
[2] Inst Nacl Investigac Forest Agricolas & Pecuar, Campo Expt Valle Mexico, Km 13.5 Carr Reyes Texcoco,AP 10y 307, Coatlinchan 56250, Texcoco, Mexico
来源：
REVISTA FITOTECNIA MEXICANA | 2017年 / 40卷 / 01期
关键词：
Solanum lycopersicum; wild relatives; genetic resources; genetic improvement; LYCOPERSICON-ESCULENTUM; SOLANUM-LYCOPERSICOIDES; GENETIC-VARIATION; DOMESTICATION; PHYLOGENY;
D O I：
暂无
中图分类号：
S3 [农学（农艺学）];
学科分类号：
0901 ;
摘要：
Due to reduced genetic variability of modern tomato (Solanum lycopersicum L.) cultivars, wild tomatoes are an important source for genes of agronomic interest. These traits include resistance to biotic and abiotic factors and provide a basis for the genetic improvement of the cultivated species. This study characterized morphological and agronomical traits from wild Solanum accessions related to cultivated tomato. Forty-six accessions of nine wild species of tomato were evaluated in a completely randomized experimental design under greenhouse conditions. Thirteen quantitative and four qualitative traits were evaluated. Significant differences were found among species for all the recorded traits, and mean comparisons showed that those differences were distributed across all species. Cluster analysis formed three clearly differentiated groups. S. lycopersicoides and S. ochranthum showed the highest solids content, hence both species are useful for improving genetically this quality trait in tomato.
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页码：83 / 91
页数：9
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