四川高原藏区不同播种方式下25个饲用型玉米品种的评价与筛选

Screening and evaluation of forage maize varietiesunder different seeding patterns in Tibetanarea of Sichuan Plateau

摘要:

选用25个抗寒、短生育期、高产优质的玉米品种,在四川高原藏区采用直播盖膜、直播、育苗移栽、育苗移栽盖膜4种不同的播种方式,对其株高、叶面积、茎粗、产量以及饲用品质进行比较分析,筛选适宜的播种方式及玉米品种。结果表明:适合该地区的玉米播种方式为直播覆膜,并筛选出在该播种方式下最适合炉霍地区3 100 m海拔生长,品质优良的玉米品种玉草3号。

Abstract:

Totally 25 forage maize varieties with cold resistance,short growth period,high yield and high quality were collected in order to screen out the suitable varieties and seeding methods through comparing and analyzing the plant height,leaf area,stem yield and fodder quality.The designed seeding methods were direct seeding with mulching,direct seeding,seedling transplanting and seedling transplanting with mulching.The result indicated that the suitable seeding method for maize in this area was direct seeding with mulching,and Yucao No.3 was the best variety which adapted to the environment above 3100 m.