葏两优雪峰丝苗在长乐区作中稻种植表现及高产栽培技术

    Planting Performance and High-yielding Cultivation Techniques of Jingliangyouxuefeng silmiaoin Changle District as Mid-season Rice

    • 摘要: 葏两优雪峰丝苗是湖南恒大种业高科技有限公司、湖南中朗种业有限责任公司、安徽恒心种业科技有限公司用恢复系雪峰丝苗为父本与不育系葏18S为母本配组选育成的籼型两系杂交水稻新品种。于2022年通过国家农作物品种审定委员会审定(审定编号:国审稻20220137)。葏两优雪峰丝苗在2020—2021年的区域试验中,平均产量9 404.3 kg·hm−2,2021年生产试验平均产量9 592.5 kg·hm−2。在2021—2023年,经田间调查和室内考种,株高121.2~123.5 cm,穗长26.2~27.4 cm,有效穗数270.1~271.6万穗·hm−2,每穗总粒数175.2~178.5粒,结实率82.1~82.5%,千粒重23.1~24.2 g。2021—2023年在长乐区作中稻种植,表现高产稳产、分蘖力强、株高株型适中、米质优、抗倒性、抗病性强等特点。

       

      Abstract: Jingliangyouxuefengsilmiaois a new indica two-line hybrid rice variety bred by Hunan Hengda Seed High-tech Co., Ltd., Hunan Zhonglang Seed Co., Ltd., and Anhui Hengxin Seed Technology Co., Ltd.using the restorer line Xuefengsimiao as the male parent and the sterile line Jing 18S as the femaleparent. It was approved by the National Crop Variety Examination and Approval Committee(No. 2022137)in 2022.In the regional trials of Jingliangyouxuefengsilmiao from 2020 to 2021, the average yield was 9404.3 kg·hm−2, and the average yield in the production trials in 2021 was 9592.5 kg·hm−2. In 2021—2023, according to field surveys and indoor testing, the plant height was 121.2~123.5 cm, the ear length was 26.2~27.4 cm, the number of effective ears was 2.701~2.716 million ears·hm−2, the total number of grains per ear was 175.2~178.5, the fruit setting rate was 82.1~82.5%, and the thousand-grain weight was 23.1~24.2g.This variety was planted as medium-season rice in Changle District from 2021 to 2023, showing the characteristics of high and stable yield, strong tillering ability, moderate plant height and plant type,good rice quality,strong lodging resistance, anddisease resistance.

       

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