Effects of Cutting Times and Varieties on the Yield and Nutrient Value of Italian Ryegrass Planted in Northern Regions

doi:10.11733/j.issn.1007-0435.2021.07.025

Acta Agrestia Sinica ›› 2021, Vol. 29 ›› Issue (7): 1571-1577.DOI: 10.11733/j.issn.1007-0435.2021.07.025

Effects of Cutting Times and Varieties on the Yield and Nutrient Value of Italian Ryegrass Planted in Northern Regions

FU Zhi-hui¹, GE Gen-tu¹, JIA Yu-shan¹, WANG Zhi-jun¹, LYU Shi-jie¹, HOU Mei-ling², NAN Ding-han¹, YI Ru-le¹, A Xi-da¹, JIN Guo³

1. Key Laboratory of Forage Cultivation, Processing and High Efficient Utilization of Ministry of Agriculture and Rural Affairs, College of Grassland Resources and Environment, Inner Mongolia Agricultural University, Hohhot, Inner Mongolia 010019, China;
2. College of Agriculture, Inner Mongolia University for Nationalities, Tongliao, Inner Mongolia 028042, China;
3. East Ujimqin Banner Grassland Workstation, Xilin Gol League, Inner Mongolia 026300, China

Received:2021-03-10 Revised:2021-04-14 Online:2021-07-15 Published:2021-07-31

茬次与品种对多花黑麦草在北方地区种植的产量及营养价值的影响

付志慧¹, 格根图¹, 贾玉山¹, 王志军¹, 吕世杰¹, 侯美玲², 南丁罕¹, 意如乐¹, 阿希达¹, 金国³

1. 内蒙古农业大学草原与资源环境学院, 农业农村部饲草栽培、加工及高效利用重点实验室, 内蒙古呼和浩特 010019;
2. 内蒙古民族大学农学院, 内蒙古通辽 028042;
3. 东乌珠穆沁旗草原工作站, 内蒙古锡林郭勒盟, 026300

通讯作者: 格根图,E-mail:gegentu@163.com
作者简介:付志慧(1996-),女,内蒙古锡林郭勒盟人,博士研究生,主要从事牧草加工与利用研究,E-mail:fuxiaobao3357@163.com
基金资助:
国家牧草产业技术体系干草调制贮藏岗位专项（CARS-34）；内蒙古自然基金，发酵型TMR微生物多样性及品质调控研究（2018LH03020）资助

Abstract

Abstract: This study was aimed to explore the effects of different cutting times and varieties on the yield and nutrient value of three different varieties of Italian ryegrass (Lolium multiflorum). The results showed that， the variety had a great influence on the yield,‘Jumbo’ had the highest hay yield (35 698.27 kg·hm^-2);the highest fresh-dry ratio and crude protein content which were 4.47 and 17.8% DM,respectively. The content of neutral detergent fiber was the lowest,which was 52.21% DM;with the increase of cutting stubble,the crude protein content showed a downward trend. The hay yield of ryegrass reached its peak in early August from the point of cutting time. Swords and Treasures can be selected for promotion and planting in the north region. In order to obtain higher yield,the field management of the first three crops of ryegrass should be paid attention to;with the high nutritional value,we choose the first crop of high-protein and low-fiber forage.

Key words: Italian ryegrass, Variety, Cutting times, Yield, Nutrient value

摘要： 为提高北方饲草品质，充分发挥多花黑麦草（Lolium multiflorum）饲用价值，以3个不同品种的多花黑麦草为试验材料，探究不同刈割茬次及品种对多花黑麦草产量及营养价值的影响。结果表明：品种对产量的影响较大，在3个供试品种中，‘剑宝’的干草产量最高，达到35 698.27 kg·hm^-2，鲜干比值及粗蛋白质含量最高，分别为4.47，17.8% DM，中性洗涤纤维含量最低，为52.21% DM；随着刈割茬次的增加，粗蛋白质含量呈下降趋势；从刈割时间来看，多花黑麦草的干草产量在8月上旬达到峰值。因此，在北方地区的黑麦草生产中，可选用‘剑宝’品种进行推广种植，若以高产为收获目标，则应注重前3茬黑麦草的田间管理工作；若以高营养价值为收获目标，则可选择第1茬次的高蛋白低纤维饲草。

关键词: 多花黑麦草, 品种, 刈割茬次, 产量, 营养价值

CLC Number:

S359

FU Zhi-hui, GE Gen-tu, JIA Yu-shan, WANG Zhi-jun, LYU Shi-jie, HOU Mei-ling, NAN Ding-han, YI Ru-le, A Xi-da, JIN Guo. Effects of Cutting Times and Varieties on the Yield and Nutrient Value of Italian Ryegrass Planted in Northern Regions[J]. Acta Agrestia Sinica, 2021, 29(7): 1571-1577.

付志慧, 格根图, 贾玉山, 王志军, 吕世杰, 侯美玲, 南丁罕, 意如乐, 阿希达, 金国. 茬次与品种对多花黑麦草在北方地区种植的产量及营养价值的影响[J]. 草地学报, 2021, 29(7): 1571-1577.

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Effects of Cutting Times and Varieties on the Yield and Nutrient Value of Italian Ryegrass Planted in Northern Regions

茬次与品种对多花黑麦草在北方地区种植的产量及营养价值的影响

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