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 Jingliangyou Xuefeng Silmiao in Changle District as Middle-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270.1万~271.6万穗·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: Jingliangyou Xuefeng Silmiao is 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., by using the restorer line Xuefeng Simiao as the male parent and the sterile line Jing 18S as the female parent. It was approved by the National Crop Variety Examination and Approval Committee (No. 2022137) in 2022. The average yield of Jingliangyou Xuefeng Silmiao was 9 404.3 kg·hm−2 in the regional trials from 2020 to 2021, and and the average yield in the production trials in 2021 was 9 592.5 kg·hm−2. In 2021−2023, according to the field investigation and indoor detection of seed, the plant height was 121.2-123.5 cm, the ear length was 26.2-27.4 cm, the effective panicle number was 2.701-2.716 million spikes·hm−2, the total number of grains per spike was 175.2-178.5 grains, the seed set propagation coefficient was 82.1% -82.5%, and the thousand-grain weight was 23.1-24.2 g. The variety was planted as middle-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, and strong disease resistance.

       

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