不同播期对梦龙燕麦生产性能的影响  

Effect of Different Sowing Date on the Production Performance of Avena sativa L.cv.Magnum

作　　者：季晓菲[1] 游明鸿[1] 闫利军[1] 白史且[1] 李达旭[1] 雷雄[1] 吴婍[1] 鲁晓鸣 

机构地区：[1]四川省草原科学研究院,四川成都611731 [2]贵州省印江县饲草饲料工作站,贵州印江555200

出　　处：《草学》2018年第1期23-27,32,共6页Journal of Grassland and Forage Science

基　　金：国家牧草产业技术体系阿坝综合试验站(CARS-35);牦牛产业链关键技术研究集成与产业化示范(2016NZ0005)资助

摘　　要：以梦龙燕麦为材料,连续2年研究了不同播期对梦龙燕麦株高、分蘖数、茎叶比及草产量的影响。结果表明,梦龙燕麦在高寒地区生长良好,适应性强,生产性能表现优良。不同播期对梦龙燕麦的株高、分蘖数、茎叶比和草产量有显著影响,在一定时期内随着播期的延迟其株高、分蘖数、茎叶比和草产量均有降低的趋势。4月30日、5月10日、5月20日、5月30日4个播期处理的两年平均干草产量分别为12 239、11 163、10 697、9 286kg/hm2,兼顾产量和品质综合分析,以4月30日播种最优,5月10日和5月20日较好,因此在川西北高寒地区应选择4月底至5月中上旬播种为宜。The effect of different sowing date on the production performance of Avena sativa L. cv. Magnum was investigated for 2 years. The results showed that Avena sativa L. cv. Magnum was well - grown, well - adapted and had good production performance in alpine pastoral region. There were significant effects on the plant height, the tiller number, stem/leaf ratio and the hay yield among different sowing date treatments. With the delay of sowing date, the plant height, the tiller number, stem/leaf ratio and the hay yield were decreased gradual- ly. The two years＇ average hay yield of the sowing date of April 30, May 10, May 20, May 30 were 12239, 11163, 10697 and 9286kg/ hm^2 respectively, the result of comprehensive analysis for both of yield and quality showed that, the sowing date of April 30 was the best, May 10 and May 20 were better than the others. Therefore, the optimum sowing date is from the end of April, to early - middle May in alpine region of northwestern Sichuan.

关 键 词：梦龙燕麦 播期 生产性能 

分 类 号：S512.042[农业科学—作物学]