Comparison and Correlation of Agronomic Characteristics and Fermentation Quality of Different Types of Hybrid Corn

doi:10.11733/j.issn.1007-0435.2019.01.032

Acta Agrestia Sinica ›› 2019, Vol. 27 ›› Issue (1): 250-256.DOI: 10.11733/j.issn.1007-0435.2019.01.032

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Comparison and Correlation of Agronomic Characteristics and Fermentation Quality of Different Types of Hybrid Corn

SUN Zhi-qiang¹, XU Fang², ZHANG Yuan-qing², HAI Ge³, YANG Chun-yan⁴, WU Zhe¹, WANG Bing¹, YU Zhu¹

1. College of Animal Science and Technology, China Agricultural University, Beijing 100193, China;
2. Animal Husbandry and Veterinary Research Institute of Shanxi Academy of Industry, Taiyuan 030032, China;
3. Animal Husbandry and Veterinary Station of Yimin Su Mu in Ewenki Autonomous Banner, Inner Mongolia Hulunbuir 021114, China;
4. Animal Husbandry and Veterinary Station of Honghua Keji Town in Ewenki Autonomous Banner, Inner Mongolia Hulunbuir 021112, China

Received:2018-10-29 Revised:2019-01-21 Online:2019-02-15 Published:2019-04-13

不同品种玉米农艺性状及青贮发酵品质的比较及相关性研究

孙志强¹, 徐芳², 张元庆², 海鸽³, 杨春艳⁴, 吴哲¹, 王炳¹, 玉柱¹

1. 中国农业大学动物科技学院, 北京 100193;
2. 山西省农业科学院畜牧兽医研究所, 山西太原 030032;
3. 鄂温克族自治旗伊敏苏木畜牧兽医站, 内蒙古呼伦贝尔 021114;
4. 鄂温克族自治旗红花尔基镇畜牧兽医站, 内蒙古呼伦贝尔 021112

通讯作者: 玉柱,E-mail:yuzhu33150@sina.com
作者简介:孙志强(1994-),男,山西大同人,硕士研究生,主要从事饲草加工与利用研究,E-mail:szq141835@sina.com
基金资助:
国家牧草产业技术体系（CARS-34）；现代人工草地高效利用关键技术研究与示范（2017BY082）；农业技术试验示范与服务支持项目-全株玉米青贮营养成分分析与质量评定（131821301064071005）；内蒙古自治区科技计划项目"苜蓿混合青贮调制技术研究与示范"；增香型乳酸菌的构建与其对青贮饲料品质优化的研究（31702181）

Abstract

Abstract: In order to select the silage corn (Zea mays L.) hybrids suitable for planting in the northern part of Shanxi Province,the agronomic characteristics of 16 hybrid corn and the fermentation quality of silage prepared after castration were measured. The results showed that in agronomic characteristics,DJJ 26 had the highest plant height and ear height,but its stem diameter was the thinner. The green-leaf number ranked in the top three is TY168,QS 30 and GK516. For yields,DF26 had the highest yield. For ensiling characteristics,except for DH679,TY511,all hybrids were below 4.20 for pH values. The significantly positive correlation was found between fresh grass yield and stem diameter,green-leaf number,stem weight,ear weight,leaf weight. The Lactic acid content of whole plant corn silage was positively correlated with green-leaf number. Therefore,the corn hybrids with thick stems,more green leaves and good panicle traits should be selected for silage use. The JD65 and TY168,GK516 and QS30 have good growth and fermentation performance,thereby,could be selected for silage corn in the northern part of Shanxi Province.

Key words: Whole plant corn, Hybrids, Agronomic characteristics, Silage quality

摘要： 为选出适宜山西省北部地区种植的青贮玉米（Zea mays L.）品种，对16个玉米品种的农艺性状及其全株收割后调制成的青贮饲料的青贮品质进行了比较和相关性分析。结果表明，在农艺性状方面，‘大京九26’的株高和穗位均最高，茎粗较细；绿叶数排在前三位的为‘屯玉168’、‘强盛青贮30’和‘京科青贮516’；在产量方面，‘大丰26’的鲜草产量最高；调制成青贮饲料后，除‘登海679’、‘太玉511’，其余品种的pH值均小于4.20，‘先玉1225’的淀粉含量最高；鲜草产量与茎粗、绿叶数、茎重、穗重和叶重成极显著正相关，青贮饲料的乳酸含量与绿叶数成显著正相关。综上，种植青贮玉米时，可选择茎秆粗壮，绿叶数多、穗位低的品种；粮饲兼用品种‘晋单65’、‘屯玉168’，青贮专用品种‘京科青贮516’、‘强盛青贮30’的综合表现较好，可作为青贮玉米品种在山西省北部地区推广种植。

关键词: 全株玉米, 品种, 农艺性状, 青贮品质

CLC Number:

S513

SUN Zhi-qiang, XU Fang, ZHANG Yuan-qing, HAI Ge, YANG Chun-yan, WU Zhe, WANG Bing, YU Zhu. Comparison and Correlation of Agronomic Characteristics and Fermentation Quality of Different Types of Hybrid Corn[J]. Acta Agrestia Sinica, 2019, 27(1): 250-256.

孙志强, 徐芳, 张元庆, 海鸽, 杨春艳, 吴哲, 王炳, 玉柱. 不同品种玉米农艺性状及青贮发酵品质的比较及相关性研究[J]. 草地学报, 2019, 27(1): 250-256.

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Comparison and Correlation of Agronomic Characteristics and Fermentation Quality of Different Types of Hybrid Corn

不同品种玉米农艺性状及青贮发酵品质的比较及相关性研究

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