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苦瓜育种及相关基础研究进展
作者: 陈小凤  黄如葵*  黄玉辉  罗海玲  陈振东  
单位: (广西农业科学院蔬菜研究所  南宁 530007)  
关键词: 苦瓜  育种目标  遗传基础  种质资源  展望  
分类号:S642.503+.5
出版年,卷(期):页码:2011 ,42 ( 3 ): 页码:246-249
摘要:

The present paper reviews the genetic and molecular basis of bitter gourd (Momordica charantia L.) breeding. Although bitter gourd has a long cultivation history, the molecular researches and breeding efforts have been started later than the other major Cucurbitaceae vegetables. Currently, the genetic researches on bitter gourd are mainly focused on yield, quality, maturity period, fruit characteristics, economic traits, etc. Researches are also being carried out for disease resistance and application of DNA molecular marker in molecular breeding. In recent years, various bitter gourd varieties have been bred with resistance to cold and diseases, characteristics of high-yield, early maturity, strong female line, etc., by variety purification, sexual hybridization, heterosis and mutation breeding. Some remarkable bitter gourd varieties were Darouyihao, Guinongke 1, Guinongke 2, Yu 5, Zaoyoukugua, Zaolükugua, Nongyou 1, Xinke 3 Kugua, and strong-female varieties Q11-2 and Yuqiang-2, etc. The suggestions have been given for strengthening the researches on molecular level to understand the mechanism of resistance to biotic and abiotic stresses, and to study the molecular basis of high yield and quality, morphological and growth characteristics. The study of performance and heritability of main characters and percentage of characters separated in F2 or further generations have also been suggested. More emphasis should be given on collection, identification and evaluation of germplasm resources to facilitate the breeding. Use of modern molecular tools and techniques such as fingerprint, genetic diversity and their application in innovation of germplasm resources should be practiced. The authors suggest to develop an effective regeneration system and genetic transformation system for renewing germplasm resources and variety improvement of bitter gourd.

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