双低优质油菜应用硒矿粉对富硒效果的影响

对中油杂2号、中双9号两个双低优质油菜品种施用3种不同含硒量的富硒矿粉,结果表明:①应用富硒矿粉能够提高双低优质油菜的植株含硒量,3种硒矿粉处理的油菜植株含硒量为0.1137～0.1352mg·kg-1,比对照增加0.0600～0.0815mg·kg-1,平均增128.68%;②高含硒量富硒矿粉的效果优于低含硒量的矿粉,但施用含量为1494mg·kg-1矿粉的油菜植株含硒量仅比含量为104mg·kg-1矿粉高18.91%,这说明较低含量的矿粉同样具有应用价值;③油菜不同时期的含硒量不同,苗期最少、后期较高,这说明硒元素在油菜中也存在着一个积累过程;④不同遗传基础油菜品种的聚硒效果不同,中油杂2号富硒效果优于中双9号,两者在苗期的差别较大,花期、成熟期的差别较小。

Effect of Selenium Ore Powder to the Selenium Enrichment in Double-low and Good-quality Rapeseed

Three kinds of different ore powders with rich selenium were used to Zhong-you-za No.2 and Zhong-shuang No.9. The results showed that the ore powders with rich seleniun could improve the selenium content of rape plant. Ore powder with higher selenium could cause higher selnium content in rape plant, but lower selenium ore powder could also improve the selenium content of rape plant actively. Selenium contents in rape plant were different in different growth stages, There was a higher content in late stage than early stage. The effect of Selenium enrichment were differnet among different rape genotypes.