节点文献
高产青贮玉米杂交种的选育研究报告
Study Report on Breeding of High-yielding Silage Corn Hybrid
【摘要】 289号和05号(均为代号)青贮玉米,按育种程序,经过五年选育而成。289号株高280~300cm。茎粗2.55cm,活秆成熟每公顷产青物质68t,籽实8.93t,青物质粗蛋白含量为7.50%,籽实为8.66%。05号株高300~320cm,茎粗3.28cm,活秆成熟每公顷产青物质72t.籽实9.20t;青物质粗蛋白质含量为6.19%,籽实为9.39%。均适合于我省中、南部和西部地区种植。播种时采用70cm×20cm行株距.每公顷保苗71400株,抗倒伏、喜肥喜水.大面积生产时要水肥充足,并适时进行田间管理。
【Abstract】 Two silage corn hybrids-No. 289 and No. 05 (code name) have been selected by breeding program in five years. The plant-high of No. 289 is 280-300 cm, the diameter of stem is 2. 55 cm,the yield of green part above grand is 68 ton/ha, and the yield of grain is 8. 93 ton/ha, the crude protein content of green part above grand is 7. 50%,and crude protein content of grain is 8. 66 %. The plant -high of NO. 05 is 300~320 cm,the diameter of stem is 3. 20 cm,the yield of green part above grand is 72 ton/ha,and the yield of grain is 9. 20 ton/ha,the crude protein content of green part above grand is 6. 19N,and the crude protein content of grain is 9. 39 %. they are both green when the grain is ripe. The planting of both hybrid are suited to middle,south and west region conditions in our province.The row spacing is 70 cm,spacing in the rows is 20 cm,Keep a full stand of seedlings is 71 400plant/ha. They are all resistance to lodging,and require enough water and fertilizer when planting in large scale.
【Key words】 Silage corn; Green part above grand; Breeding program; Crude protein;
- 【文献出处】 黑龙江畜牧科技 ,HEILONGJIANG JOURNAL OF ANIMAL SCIENCE AND TECHNOLOGY , 编辑部邮箱 ,1997年03期
- 【分类号】S513.03
- 【被引频次】6
- 【下载频次】52