樱桃番茄新品种京丹1号和京丹2号的选育

京丹1号、京丹2号是通过单株系统选择、组合试配及评比选育出的樱桃番茄新品种.其亲本品系分别是从日本商业品种和台湾品种四季红的分离后代中选出.京丹1号为无限生长类型,连续生长势强,结果习性好,单果质量8～12g,口感风味极佳,可溶性固形物7.5%以上；高抗ToMV,耐叶霉病.京丹2号是极早熟有限生长类型品种,播种后90d(天)开始收获,单果质量10～15g,可溶性固形物高于6. 0%,高抗ToMV.这两个品种已应用于北京、河北、山东和辽宁等地.

New Cherry Tomato F1 Hybrids- ‘Jingdan No. 1' and ‘Jingdan No.2'

Jingdan No.1 and Jingdan No.2 are new cherry tomato F 1 hybrids. The parent lines of them were individually selected from the Japan ese varieties and Taiwan‘Sijihong’ by pedigree method. Jingdan No.1 is inde terminate with vigorous growth and high fruit setting,the average fruit weight is 8 to 12g with high quality and excellent taste,the content of solubl e solid is more than 7.5%. It is high resistant to ToMV,tolerant to lea f mould. Jingdan No.2 is an early and determinate variety with resistant to ToMV...