鸭茅重要种质DUS测试及农艺性状评价筛选

doi:10.11733/j.issn.1007-0435.2017.02.019

草地学报 ›› 2017, Vol. 25 ›› Issue (2): 351-360.DOI: 10.11733/j.issn.1007-0435.2017.02.019

鸭茅重要种质DUS测试及农艺性状评价筛选

蒋林峰^1,2, 黄琳凯¹, 李发玉³, 尹权为³, 曾兵⁴, 谢文刚⁵, 马啸¹, 张宗瑜⁵, 张新全¹

1. 四川农业大学动物科技学院草业科学系, 四川温江 611130;
2. 垫江县畜牧生产站, 重庆垫江 408300;
3. 重庆市畜牧技术推广总站, 重庆 401121;
4. 西南大学荣昌校区动科系, 重庆荣昌 402460;
5. 兰州大学草地农业科技学院, 甘肃兰州 730020

出版日期:2017-04-15 发布日期:2017-06-25
通讯作者: 张新全,E-mail:zhangxq@sicau.edu.cn
作者简介:蒋林峰(1989-),男,重庆垫江人,硕士,畜牧师,主要从事畜牧技术推广及草种质创新育种研究,E-mail:jianglinfengsicau@163.com
基金资助:
国家现代牧草产业技术体系（CARS-35-05）；国家科技部973项目（2014CB138705）；国家自然科学基金（31372363）资助

DUS Testing and Agronomic Character Evaluation-screening of Important Cocksfoot (Dactylis glomerata) Germplasm

JIANG Lin-feng^1,2, HUANG Lin-kai¹, LI Fa-yu³, YIN Quan-wei³, ZENG Bing⁴, XIE Wen-gang⁵, MA Xiao¹, ZHANG Zong-yu⁵, ZHANG Xin-quan¹

1. Department of Grassland Science, Animal Science and Technology College, Sichuan Agricultural University, Wenjiang, Sichuan Province 611130, China;
2. Department of Livestock Production Station, Dianjiang, Chongqing 408300, China;
3. Department of Animal Husbandry Technology Popularization Station, Chongqing 401121, China;
4. Department of Animal Science, Rongchang Campus of Southwest University, Rongchang, Chongqing 402460, China;
5. The State Key Laboratory of Grassland Agro-ecosystems, College of Pastoral Agriculture Science and Technology, Lanzhou University, Gansu, Lanzhou Province 730020, China

Online:2017-04-15 Published:2017-06-25

摘要/Abstract

摘要：

以我国主栽的32个鸭茅品种（系）为研究对象，对其开展了DUS测试，并基于农艺性状进行了综合评价筛选，以期筛选出适合我国南方及长江流域地区生长的优质鸭茅种质资源。结果表明：供试鸭茅品种（系）可根据其物候期的差异，主要分为早、中、晚熟3种类型，生育期介于230～307 d。各供试鸭茅品种（系）在抗锈病、越夏率、生长速度、草产量、茎叶比、鲜干比、分蘖数等均差异明显，呈现出不同程度的群体差异，以‘滇北’、‘01472’、‘Cristobal’、‘宝兴’、‘波特’等表现较为突出。供试14个DUS性状在各鸭茅间表达程度各不相同，可用于区分供试鸭茅品种（系），并得出关于鸭茅产量、抗性及品质的供试种质综合排序，最终筛选出17份表现较为优异的鸭茅资源。

关键词: 鸭茅, DUS测试, 农艺评价, 筛选

Abstract:

DUS testing and agronomic character evaluation-screening of 32 dominant Dactylis glomerata varieties (lines) of China were studied in this report, in order to screen excellent D.glomerata germplasm resource for southern China and the Yangtze River basin region. The tested D.glomerata varieties (lines) could been divided into early, middle and late-maturing types, according to the differences of its growth period, which ranged from 230 d to 307 d. There were obvious differences in rust resistance, summering rate, growth speed, grass yield, stem-leaf ratio, green-hay ratio and tiller numbers among tested D. glomerata varieties (lines), and the varieties of Dianbei, 01472, Cristobal, Baoxing and Porto had more prominent performance. The 14 DUS characters were used to distinguish the difference of tested D. glomerata varieties (lines) here. There were a comprehensive ranking about yield, resistance and quality of tested D. glomerata, according to the results of DUS testing and agronomic characters evaluation-screening, and the 17 excellent D. glomerata varieties (lines) were selected in the end.

Key words: Dactylis glomerata, DUS testing, Agronomic evaluation, Screening

中图分类号:

S543.3
S338

蒋林峰, 黄琳凯, 李发玉, 尹权为, 曾兵, 谢文刚, 马啸, 张宗瑜, 张新全. 鸭茅重要种质DUS测试及农艺性状评价筛选[J]. 草地学报, 2017, 25(2): 351-360.

JIANG Lin-feng, HUANG Lin-kai, LI Fa-yu, YIN Quan-wei, ZENG Bing, XIE Wen-gang, MA Xiao, ZHANG Zong-yu, ZHANG Xin-quan. DUS Testing and Agronomic Character Evaluation-screening of Important Cocksfoot (Dactylis glomerata) Germplasm[J]. Acta Agrestia Sinica, 2017, 25(2): 351-360.

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鸭茅重要种质DUS测试及农艺性状评价筛选

DUS Testing and Agronomic Character Evaluation-screening of Important Cocksfoot (Dactylis glomerata) Germplasm

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