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渝抗四号是根据重庆地区番茄枯萎病、TMV危害特点及消长规律,选用具有抗枯萎病、TMV显性基因,早熟、矮生、自封顶类型的T_4作父本,以高抗枯萎病、早熟、丰产、结果能力强的80119作母本杂文选育而成的红色中果型优良组合.经品比、配合力测定、抗性鉴定、过氧化物酶同功酶分析、区域试验及生产试验.具有早熟、自封顶、生长势强、结果率高、商品性好、抗枯萎病、TMV能力强,适于春、秋两季栽培等优良特性,已在国内20多个省市地区大面积推广应用.
Yuyou-4 was selected as the male parent of T_4 with resistance to Fusarium wilt, TMV dominant gene, precocious, dwarf, self-captive type and high resistance to Fusarium and wilt, according to the characteristics of Fusarium wilt and TMV in Chongqing area. Early maturity, high yield, strong ability of the results of the 80119 maternal hybrid essay bred from the fine red fruit combinations by the ratio, determination of combining ability, resistance identification, peroxidase isoenzyme analysis, regional trials and production Test has the characteristics of early maturity, self-capping, strong growth potential, high result rate, good commodity, resistance to Fusarium wilt, strong TMV ability and suitable for cultivation in spring and autumn and so on. It has been widely used in more than 20 provinces and cities in China Promotion and application of area