Evaluating the Relationship Between Production Performance and Fall Dormancy Grade of Different Spring-Sown Alfalfa Varieties in the Year of Establishment in the Horqin Sandy Land

doi:10.11733/j.issn.1007-0435.2026.07.014

Acta Agrestia Sinica ›› 2026, Vol. 34 ›› Issue (7): 2493-2502.DOI: 10.11733/j.issn.1007-0435.2026.07.014

Evaluating the Relationship Between Production Performance and Fall Dormancy Grade of Different Spring-Sown Alfalfa Varieties in the Year of Establishment in the Horqin Sandy Land

LIU Shuai¹, WANG Xian-guo², ZHOU Li-ye¹, WANG Zhen-guo³, ZHANG Yu-xia¹, SHAN Xin-he², ZHANG Zhi-yong³

1. College of Grassland Science, Inner Mongolia Minzu University, Tongliao, Inner Mongolia 028000, China;
2. College of Grassland Science and Technology, China Agricultural University, Beijing 100193, China;
3. Tongliao Academy of Agricultural and Animal Husbandry Sciences, Tongliao, Inner Mongolia 028015, China

Received:2025-08-20 Revised:2025-10-30 Published:2026-07-02

科尔沁沙地春播不同苜蓿品种建植当年生产性能及其与秋眠级之间关系研究

刘帅¹, 王显国², 周立业¹, 王振国³, 张玉霞¹, 单新河², 张智勇³

1. 内蒙古民族大学草业学院, 内蒙古通辽 028000;
2. 中国农业大学草业科学与技术学院, 北京 100193;
3. 通辽市农牧业科学院, 内蒙古通辽 028015

通讯作者: 王显国，E-mail:grasschina@126.com
作者简介:刘帅（2000-），男，汉族，吉林白城人，硕士研究生，主要从事饲草高产栽培与利用研究，E-mail:2389639133@qq.com
基金资助:
国家牧草产业技术体系项目（CARS-34）资助

Abstract

Abstract: A single-factor randomized block design was used to measure the dry matter yield， dry-to-fresh ratio， crude protein content， and relative feed value of spring-sown ‘WL’ series alfalfa （Medicago sativa） varieties in the Horqin Sandy Land during the year of establishment. Multivariate analysis was employed to explore the effects of fall dormancy grade and type on the production performance. The results showed that the dry matter yield of the first and second cuttings accounted for over 60% of the total annual yield for all tested varieties， and the yield of the fourth cutting was significantly lower than that of the other cuttings （P<0.05）. ‘WL366HQ’and ‘WL349HQ’exhibited the highest total annual dry matter yield. Fall dormancy grade and type had no significant effects on dry weight or crude protein content， with negligible effect sizes， but significantly influenced relative feed value （P<0.05）. In conclusion：（1） For spring-sown alfalfa varieties in the Horqin Sandy Land， production performance during the year of establishment varied significantly among varieties and was not related to fall dormancy rating. （2） ‘WL349HQ’and ‘WL366HQ’ demonstrated the best production performance. The first and second cuttings contributed 60% of the total annual yield. Therefore， variety selection should prioritize total annual forage yield （i.e.， production performance） rather than fall dormancy rating.

Key words: Horqin Sandy Land, Alfalfa, Fall dormancy grade, The year of establishment, Production performance

摘要： 研究采用单因素随机区组设计，测定科尔沁沙地春播‘WL’系列紫花苜蓿（Medicago sativa）品种建植当年的干物质产量、干鲜比、粗蛋白、相对饲喂价值，并运用多变量分析法探究秋眠级、秋眠型对建植当年紫花苜蓿生产性能的影响。结果表明：各供试品种第一茬和第二茬干物质产量占全年总干物质产量的比例超过60%，且第四茬干物质产量显著低于其他茬次（P<0.05）；‘WL366HQ’‘WL349HQ’的全年总干物质产量最高；秋眠级与秋眠型对干重、粗蛋白影响均不显著，效应值小，对相对饲喂价值影响均显著（P<0.05）。综上，（1）科尔沁沙地春播不同紫花苜蓿品种，建植当年不同品种的生产性能差异较大，且与秋眠级无关；（2）在科尔沁沙地春播‘WL349HQ’和‘WL366HQ’这两个品种建植当年生产性能最好，第一茬和第二茬产量占全年产量的60%，选择品种时应重点考虑该品种的生产性能，而不是秋眠级。

关键词: 科尔沁沙地, 紫花苜蓿, 秋眠级, 建植当年, 生产性能

CLC Number:

S541.9

LIU Shuai, WANG Xian-guo, ZHOU Li-ye, WANG Zhen-guo, ZHANG Yu-xia, SHAN Xin-he, ZHANG Zhi-yong. Evaluating the Relationship Between Production Performance and Fall Dormancy Grade of Different Spring-Sown Alfalfa Varieties in the Year of Establishment in the Horqin Sandy Land[J]. Acta Agrestia Sinica, 2026, 34(7): 2493-2502.

刘帅, 王显国, 周立业, 王振国, 张玉霞, 单新河, 张智勇. 科尔沁沙地春播不同苜蓿品种建植当年生产性能及其与秋眠级之间关系研究[J]. 草地学报, 2026, 34(7): 2493-2502.

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Evaluating the Relationship Between Production Performance and Fall Dormancy Grade of Different Spring-Sown Alfalfa Varieties in the Year of Establishment in the Horqin Sandy Land

科尔沁沙地春播不同苜蓿品种建植当年生产性能及其与秋眠级之间关系研究

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