旱育缺锰水稻秧苗在大田生长发育特征比较研究

Comparison of growing features in field by using manganese deficiency rice seedlings from dry nursery

  • 摘要: 对田间条件下旱育缺Mn水稻苗和正常苗移栽水作田和旱作田后生长发育及产量性状研究结果表明,缺Mn苗除株高与正常苗无明显差异外,其他性状包括分蘖、成穗和产量均低于正常苗,穗粒数、千粒重也表现同样的规律。若生产上采用缺Mn苗,不论采用传统的淹水方式、地膜覆盖旱作或麦秸覆盖旱作以及采用其他任何补救措施,均不能达到正常苗所达产量。

     

    Abstract: The growing features and yield of manganese deficiency rice seedling from dry nursery were studied in Linjiang Village of Wenjiang County,Sichuan Province,when they were transplanted to paddy soil and upland.The experiment showed that except the height of manganese deficiency rice seedling was not significant difference with normal rice seedling,the other features including tillerings,fringings,grain numbers in one ear,one thousand seed weight and yields were lower than those of normal rice seedling.If the manganese deficiency rice seedling is use in farm land,no matter what systems are used such as flooding,plastic film mulch and wheat straw mulch and no matter what methods are used to remedy them ,the yield of it can not get to the yield by using normal rice seedling.

     

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