早熟彩色马铃薯新品种石薯7号的选育

A new prematuring colorful potato variety Shishu No. 7

摘要

石薯7号由HZ09-6作母本、WN07-5作父本杂交选育而成。该品种属早熟彩色品种，河北二季作区春季地膜覆盖种植从出苗到成熟65 d左右，植株直立。薯块短卵圆形，红皮红肉，薯皮光滑，芽眼中等；单株结薯数7个，结薯集中，匍匐茎极短，单株块茎质量0.48 kg。中抗晚疫病、早疫病。2019-2020年区域试验平均667 m²产量2 077.39 kg, 商品薯率82.7%。品质佳，干物质含量(w,后同)19.6 g·100 g^-1，淀粉含量16.8 g·100 g^-1，蛋白质含量2.24 g·100 g^-1，鲜薯维生素C含量15.9 mg·100 g^-1，还原糖含量0.18 g·100 g^-1，粗纤维含量0.35 g·100 g^-1，肉质细腻。适宜在河北省二季作区春播种植。2022年通过农业农村部非主要农作物品种登记。

Abstract

Shishu No. 7 is a hybrid breeding of HZ09-6 as female parent and WN07-5 as male parent. It is an early color varieties. In the second cropping area of Hebei province, the plants are upright from emergence to maturity for about 65 days. The tuber is short ovale shape with red peel and red pulp. The surface of tuber is smooth. Its bud eye is medium. Tuber number of each plant is 7 potatoes. The potato is concentrated. Its stolons is very short. The yield of each plant is 0.48 kg. It is medium resistant to early blight and late blight. In the production test of Hebei province in 2019-2020, the yield of 667 m² was 2 077.39 kg, the rate of commercial potatoes is 82.7%. It has good quality, the potato tuber is composed of 19.6 g·100 g^-1 dry matter content, 16.8 g·100 g^-1 starch, 2.24 g·100 g^-1 protein, 15.9 mg·100 g^-1 vitamin C, 0.18 g·100 g^-1 reducing sugar, 0.35 g·100 g^-1 coarse fibre. It is suitable for spring planting in the second cropping area of Hebei province.

关键词

马铃薯 / 新品种 / 石薯7号 / 彩色 / 早熟

Key words

Potato / New variety / Shishu No. 7 / Color / Prematurity

参考文献

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基金资助

河北省现代农业产业技术体系薯类产业创新团队专项(HBCT2023060201)

河北省重点研发计划项目(21326336D)