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中国农学通报

中国农学通报 ›› 2022, Vol. 38 ›› Issue (24): 1-7.doi: 10.11924/j.issn.1000-6850.casb2021-0947

所属专题： 生物技术； 小麦

• 农学·农业基础科学 •    下一篇

小麦新品种‘云麦110’产量和品质性状对不同种植密度的响应

丁明亮1,2(), 刘佳3, 李绍祥1, 杨忠慧1, 白应文2,4, 张艳军3, 李宏生1, 熊世安5, 杨木军1, 刘琨1()   

  1. 1云南省农业科学院 粮食作物研究所,昆明 650205
    2中国农业大学植物保护学院植物病理学系,农业农村部作物有害生物监测与绿色防控重点开放实验室,北京 100193
    3玉溪市农业科学院,云南玉溪 653100
    4宝鸡市农业技术推广服务中心,陕西宝鸡 721001
    5镇雄县种子管理站,云南镇雄 657200
  • 收稿日期:2021-10-01 修回日期:2021-12-03 出版日期:2022-08-25 发布日期:2022-08-22
  • 通讯作者: 刘琨
  • 作者简介:丁明亮,男,1987年出生,江西丰城人,副研究员,硕士,研究方向：小麦遗传育种。通信地址：650205 云南省昆明市盘龙区北京路2238号 云南省农业科学院粮食作物研究所,Tel：0871-65892511,E-mail： dml@yaas.org.cn。
  • 基金资助:
    云南省财政部门预算项目重大专项粮食安全种业支撑专项(530000210000000013809)

Responses of Yield and Quality Traits of New Wheat Variety ‘Yunmai 110’ to Different Planting Densities

DING Mingliang1,2(), LIU Jia3, LI Shaoxiang1, YANG Zhonghui1, BAI Yingwen2,4, ZHANG Yanjun3, LI Hongsheng1, XIONG Shian5, YANG Mujun1, LIU Kun1()   

  1. 1Food Crop Research Institute, Yunnan Academy of Agriculture Sciences, Kunming 650205
    2Key Laboratory of Pest Monitoring and Green Management, Ministry of Agriculture and Rural Affairs/Department of Plant Pathology, College of Plant Protection, China Agricultural University, Beijing 100193
    3Yuxi Academy of Agricultural Sciences, Yuxi, Yunnan 653100
    4Baoji Technical Extension and Service Center, Baoji, Shaanxi 721001
    5Zhenxiong Seed Management Station, Zhenxiong, Yunnan 657200
  • Received:2021-10-01 Revised:2021-12-03 Online:2022-08-25 Published:2022-08-22
  • Contact: LIU Kun

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摘要：

为了探明小麦新品种‘云麦110’产量和品质相关性状对种植密度的响应,以该品种为试验材料,采用6个种植密度的单因素随机区组设计,考察该品种在不同密度下的产量与品质相关性状并进行方差分析。结果表明：种植密度对产量及产量三要素均影响显著;对第三、四、五、六、七叶期的茎蘖数均影响显著,但对八叶期的茎蘖数影响不显著;对籽粒周长影响显著,但对其余4个粒型性状影响不显著;对容重影响显著,但对其余8个品质性状影响不显著。当基本苗为270×104/hm2时产量最高(6435.00 kg/hm2),茎蘖消长最平缓,成穗率最高(25.39%),籽粒周长最大(18.07 mm),容重最高(798.00 g/L)。因此,小麦新品种‘云麦110’产量和品质相关性状对不同种植密度的响应较大,其中基本苗为270×104/hm2时该品种产量最高,产量三要素最协调,茎蘖消长最合理,株高适宜,且综合品质性状最好,适宜在该种植密度下推广种植。

关键词: ‘云麦110’, 产量性状, 品质性状, 种植密度, 茎蘖消长

Abstract:

This study aims to explore the response of yield and quality related traits of a new wheat variety ‘Yunmai 110’ to different planting densities. ‘Yunmai 110’ was used as the experimental material, and one factor randomized block design with 6 planting densities was adopted. The yield and quality related traits were investigated, and the variance analysis of different planting densities was conducted. The results showed that planting density had a significant effect on the yield and yield components. It also had a significant effect on the number of tillers at the third, fourth, fifth, sixth and seventh leaf stages, but it had no significant effect at the eighth leaf stage. Planting density had a significant effect on the grain perimeter of the variety, but it had no significant effect on the other four grain type traits. Planting density had a significant effect on the bulk density of the variety, but it had no significant effect on the other 8 quality traits. When the basic seedling density was 270×104/hm2, the yield was the highest (6435.00 kg/hm2), the growth and decline of stems and tillers of the variety was the most gentle, the highest spike rate was 25.39%, the largest grain perimeter was 18.07 mm and the highest bulk density was 798.00 g/L. Therefore, the yield and quality related traits of the new wheat variety ‘Yunmai 110’ have a great response to different planting densities. The variety can obtain the highest yield with the basic seedling density of 270×104/hm2, under which the three yield elements are the most coordinated, the growth and decline of stems and tillers are the most reasonable, the plant height is appropriate and the comprehensive quality traits are the best. ‘Yunmai 110’ is suitable to be popularized under this planting density.

Key words: ‘Yunmai 110’, yield traits, quality traits, planting density, growth and decline of stems and tillers

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