不同播期对黔油28号生长及产量的影响

Effects of Different Seeding Date on Growth and Yield of Qianyou 28

为探讨黔油28号在遵义市适宜的播种时期,研究了不同播期对黔油28号生育发展及产量的影响。结果表明:不同的播种时期对黔油28号的产量影响很大,以9月10日播种的产量最高,达144kg/667m2,9月15日播种的产量居第2位,达138.67kg,建议播期以9月10-15日为宜。

Abstract： In order to explore appropriate seeding time of Qianyou28 in Zunyi, dfects of different seeding dates on the growth and yield of Qianyou28. The resuk showed that seeding date significantly influenced the yield, rape seeded on Sep 102 , the yield was highest, it＇s 144kg/667m2 , while rape seeded on Sep. 152 , the yield was second, it＂s 138. 67kg/667m2, Thus the seeding date between Sep. 102 and 152 was proposed for rape production.