行距对紫花苜蓿种子产量及其构成因素的影响

详细信息    查看全文 | 推荐本文 |

英文篇名：Influence of Row Spacing on Seed Yield of Alfalfa and Its Components 作者：张荟荟 ; 张学洲 ; 张一弓 ; 梁维维 ; 兰吉勇 ; 李学森 ; 史伟 ; 热娜 英文作者：ZHANG Hui-hui;ZHANG Xue-zhou;ZHANG Yi-gong;LIANG Wei-wei;LAN Ji-yong;LI Xue-sen;SHI Wei;RENA;Grassland Research Institute of Xinjiang Academy of Animal Sciences; 关键词：紫花苜蓿 ; 行距 ; 种子产量 英文关键词：alfalfa;;row spacing;;seed yield 中文刊名：CQJQ 英文刊名：Grass-Feeding Livestock 机构：新疆畜牧科学院草业研究所; 出版日期：2019-05-10 出版单位：草食家畜 年：2019 期：No.196 基金：国家牧草产业技术体系(CARS-34) 语种：中文; 页：CQJQ201903011 页数：5 CN：03 ISSN：65-1108/S 分类号：52-56

摘要

为了确定北疆地区紫花苜蓿种子生产的适宜行距,在呼图壁旱生牧草种子基地采用随机区组试验方法,开展了行距对紫花苜蓿种子产量及其构成因素影响的研究。结果表明,在一定的播种量下,随着行距的增加,苜蓿的有效分枝数逐渐降低,当行距为60 cm时,紫花苜蓿种子产量达到最高765.84 kg/hm~2,而在种子产量各构成因素中,收获期有效分枝数/m~2、荚果数/结荚花序和种子数/荚果与苜蓿种子产量呈正相关,即单位面积上有效分枝越多,荚果数/结荚花序和种子数/荚果就越多,虽其花序数/枝条减少,但其群体种子产量可实现最大。因此,在北疆平原荒漠区种植苜蓿种子田时,建议将行距设置为60 cm,控制好有效分枝数,以增加荚果数/结荚花序和种子数/荚果的比值为目标,辅以一定的栽培措施,可获取最大种子产量。
        In order to determine the suitable row spacing for alfalfa seed production in northern Xinjiang, a randomized block experiment was conducted in the seed base of Hutubi xerophytic forage to study the effect of row spacing on alfalfa seed yield and its components. The results showed that, for a certain amount of seeding,the effective number of branches decreased gradually with the increase of row spacing. When the row spacing was 60 cm, the seed yield of alfalfa reached the highest of 765.84 kg/hm~2. Among the factors influencing seed yield, the number of effective branches/m~2, pods/pods inflorescence and seeds/pods during harvesting period were positively correlated with alfalfa seed yield. That was, the more effective branches per unit area, the more pods/pods inflorescence and seeds/pods become. Although the number of inflorescence/branches decreased,the population seed yield could reach the maximum. Therefore, when planting alfalfa seed fields in the desert area in the northern plains of Xinjiang, it was recommended to set the row spacing as 60 cm and to control the number of effective branches to increase the ratio of pods/pods inflorescence and seeds/pods, with a certain cultivation measures to obtain maximum yield.

引文

[1]贺访印,王继和,高志海,等.河西荒漠绿洲区草地农业发展技术研究———以民勤绿洲为例[J].草业学报,2004,13(2):25-42.
    [2]王显国,韩建国,刘富渊,等.穴播条件下株行距对紫花苜蓿种子产量和质量的影响[J].中国草地学报,2006,28(2):28-32.
    [3]王敬龙,曹致中,杜文华,等.不同行距处理对紫花苜蓿种子产量的影响[J].草原与草坪,2006,(6):49-51.
    [4] Santa M.Utilization of the production potential of irrigated lucerne[J].Plant Science,1997,12(3):71-75.
    [5]张自和.紫花苜蓿旱区播期选择与灌区稀植化种子生产[J].草业科学,2004,21(12):88-90.
    [6]吴素琴,张自和.影响苜蓿种子丰产的主要因子研究[J].草业科学,2004,21(1):10-14.
    [7]吴素琴.苜蓿种子丰产的理论与技术研究[D].兰州:甘肃农业大学,2003.
    [8]陈述明,李卫军,李雪峰.密度对苜蓿生长发育及种子产量的影响[J].新疆农业科学,2005,(3):21-23.
    [9]王志锋,徐安凯,杨允菲.我国苜蓿种子丰产研究现状[J].草业科学,2007,24(7):43-50.
    [10]杜文华,田新会,曹致中.播种行距和灌水量对紫花苜蓿种子产量及其构成因素的影响[J].草业学报,2007,16(3):81-87.