“和燕1号”在二阴地区最佳播种期试验研究
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摘要
为确定"和燕1号"燕麦新品种在二阴地区的适宜播种时间,在甘肃省二阴地区和政县进行"和燕1号"最佳播种期试验,测定不同播期"和燕1号"的物候期、株高、生长速率、草产量及种子产量。结果显示:随着播种期的推后,生育时期逐渐推后,株高呈降低—升高—降低的变化趋势,5月15日播种株高最高,4月24日和6月15日播种株高最低;生长速率变化与株高变化趋势趋于一致,4月份播种"和燕1号"生长速率普遍较低,6月29日播种植株生长速率最快,5月15日次之。生产中若用作饲草,可推后播种时间,5月15日左右为最佳播期;收籽实,则在4月14日左右播种可获得高产。
In order to determine the best sowing time of"Heyan No.1"in the high-humid mountain area,the selection experiment of the optimum sowing time of"Heyan No.1"was conducted in Hezheng county of Gansu province.Phenological period,plant height,growth rate,grass yield and seed yield of"Heyan No.1"were measured in different sowing time.The results showed,with the sowing time delaying,the growth stage was gradually delayed,the plant height showed the trend of"decrease-rise-decrease". The plant height was the highest at May 15,the lowest on April 24 and June 15. The variation trend of growth rate was consistent with plant height. The growth rate of"heyan No.1"sowed in April was generally lower,but the growth rate was the fastest in June 29,followed by May 15,and there was no significant difference between them(P > 0.05). Therefore,as for forage production,the sowing time can be delayed,the best sowing date is May 15. The seed yield is more by sowing seed on April 14.
In order to determine the best sowing time of"Heyan No.1"in the high-humid mountain area,the selection experiment of the optimum sowing time of"Heyan No.1"was conducted in Hezheng county of Gansu province.Phenological period,plant height,growth rate,grass yield and seed yield of"Heyan No.1"were measured in different sowing time.The results showed,with the sowing time delaying,the growth stage was gradually delayed,the plant height showed the trend of"decrease-rise-decrease". The plant height was the highest at May 15,the lowest on April 24 and June 15. The variation trend of growth rate was consistent with plant height. The growth rate of"heyan No.1"sowed in April was generally lower,but the growth rate was the fastest in June 29,followed by May 15,and there was no significant difference between them(P > 0.05). Therefore,as for forage production,the sowing time can be delayed,the best sowing date is May 15. The seed yield is more by sowing seed on April 14.
引文
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[2]柴继宽,赵桂琴,胡凯军,等.不同种植区生态环境对燕麦营养价值及干草产量的影响[J].草地学报,2010,18(3):421-425.
[3]刘振恒,武高林,仁青草,等.发展以燕麦为支柱产业的可持续高寒草地畜牧业[J].草业科学,2007,24(9):67-69.
[4]李颖,毛培胜.燕麦种植资源研究进展[J].安徽农业科学,2013,41(1):72-76.
[5]章海燕,张晖,王立,等.燕麦研究进展[J].粮食与粮油,2009(8):7-9.
[6]苏日娜.中国燕麦产业发展研究[D].呼和浩特:内蒙古农业大学,2013:1-2.
[7]孙建平,董宽虎,蒯晓妍,等.晋北农牧交错区引进燕麦品种生产性能及饲用价值比较[J].草业学报,2017,26(11):222-230.
[8]张向前.燕麦种植农艺性状、耐盐和AFLP分子标记的遗传多样性分析[D].呼和浩特:内蒙古农业大学,2012.
[9]牛俊义,杨祁峰.作物栽培学研究方法[M].兰州:甘肃民族出版社,1997.
[10]李凤霞,宋理明.青海高寒牧草燕麦适宜播种期研究[J].草业科学,1996(3):32-34.
[11]徐长林.高寒牧区不同燕麦品种生长特性比较研究[J].草业学报,2012,21(2):280-285.
[12]柏晓玲,周青平,陈有军,等.燕麦幼苗对低温胁迫的响应[J].草业科学,2016,33(7):1375-1382.
[13]王雷,张宏,哈斯,等.基于冠幅直径和植株高度的灌木地上生物量估计方法研究[J].北京师范大学学报(自然科学版),2004,40(5):700-704.
[14]穆锋海,王梅,陈远其,等.牧草营养性状与生物量关系的研究[J].草业科学,2009,26(10):122-126.
[15]张灵菲,魏斌,葛庆征,等.高寒草甸恢复演替过程生产力与植物功能特征关系的研究[J].草业学报,2012,21(6):235-241.
[16]崔雄雄,侯扶江,常生华,等.高寒牧区两个燕麦品种的产量与品质比较[J].草业科学,2018,35(6):1489-1495.
[17]王辉辉.青藏高原高寒地区研究优良品种筛选及营养价值评定[D].兰州:甘肃农业大学,2008:9-10.
[18]王桃,徐长林,张丽静,等.5个燕麦品种和品系不同生育期不同部位养分分布格局[J].草业学报,2011,20(4):70-81.