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时间:2020-05-02
《不同播种量对机插晚稻生长发育及经济性状的影响.pdf》由会员上传分享,免费在线阅读,更多相关内容在行业资料-天天文库。
1、安徽农业科学,JournalofAnhuiA.Sci.2014,42(24):8118—8120责任编辑姜丽责任校对况玲玲不同播种量对机插晚稻生长发育及经济性状的影响易光明,徐一兰,晏国华,胥爱平,刘十红,李红,刘政春(1.南县华阁镇农业综合服务站,湖南南县413200;2.湖南生物机电职业技术学院,湖南长沙410127;3.南县浪拔湖镇农业综合服务站,湖南南县413216;4.南县厂窖镇农业综合服务站,湖南南县413200;5.南县茅草街农业综合服务站,湖南南县413200;6.南县农业局,湖南南县413200;7.南县南洲镇农业服务站,湖南南县413200)摘
2、要[目的]明确双季机插晚稻适宜的播种量,为水稻机插秧技术推广应用提供参考。[方法]以I4优518和陆两优996为材料,研究不同播量(22.5、37.5、52.5和60.0kg/hm)对机插晚稻秧秧苗素质、分蘖动态、生育期和经济性状的影响。[结果]不同播量对机插双季晚稻秧苗素质、分蘖能力、生育期和产量均有不同程度的影响。随着播种量的增加,秧苗素质、茎蘖成穗率、有效穗数、每穗粒数、实粒数和千粒重均呈下降趋势,水稻植株全生育期有所缩短。水稻产量随播种量的增加而增加,各处理间产量差异明显。[结论]在该研究中,H优518和陆两优996作双季晚稻机插栽培时,播种量以52.5k
3、s/hm为宜。关键词机插晚稻;播种量;秧苗素质;经济性状中图分类号$511文献标识码A文章编号0517—6611(2014)24—08118—03EfectsofDifferentSeedingSowingAmountontheGrowthandDevelopmentandEconomicTraitsofLateRicewithMachineTrans-plantingYIGuang-wing.LIHangetal(HuageTownAgriculturalComprehensiveServiceStationofNanxianCounty,Nanxian,Hun
4、an413200;NanxianCountyAgriculturalbureau,Nanxian,Hunan413200)Abstract『0biective]Theaimwastoconfirnlonthesuitablesowingamountofdoubleseasonandlatericewithmachinetransplanting,andprovideareferenceforpromotionanduseofricemachine—transplantedseedlingtechnology.[Method]Theefectsofdiferents
5、owingamount(22.5,37.5,52.5,60.0kg/hm)ontheseedlingsquality,thetilleringdynamics,thegrowthperiodandtheeconomictraitsof]atericewithmachinetransplantingHyou518andLuliangyou996.[Result]Diferentsowingamounthaddifferentleveleffectsontheseedlingsquali—ty,thetilleringdynamics,thegrowthperioda
6、ndtheyieldofdoubleseasonandlatericewithmachinetransplanting.Withtheincreasingofso—wingamount,theseedlingsquality,theearbearingtillerpercentage,theefficientpanicles,thegrainsperpanicle,theactualgrainsandthe1000一kernelweightallshoweddecreasingtrend,andthewholegrowperiodcutdown.Riceyield
7、increasedwithsowingamountrising,andhadsignificantdifferenceamongalltreatments.[Conclusion]Inthisstudy,thesuitablesowingamountofHyou518andLuliangyou996is52.5kg/hm。whentheyareusedasthedoubleseasonandlatericewithmachinetransplanting.KeywordsLatericewithmachinetransplanting;Sowinganmunt;S
8、eedli
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