播期对水稻生育期·产质量和温光资源利用的影响
打开文本图片集
中图分类号S511文献标识码A文章编号 0517-6611（2025）11-0010-05
doi：10. 3969/j. issn. 0517-6611. 2025. 11. 003
Efects ofSowingDateontheGrowthPeriod，YieldQualityandUtiizationof Temperatureand LightResources of DifferentRice Varieties
HU Yang1 ， DUAN Bini ，YANG Juan² et al（1. Xinyang Academy of Agricultural Sciences， Xinyang，Henan ;2. Luoshan CountyAgricultural Science Research Institute，Xinyang，Henan ）
AbstractObetie]Toivestigateteetsofsowingateoeowthperod，yieldualityduilaoftemperauredlght resourcesofdiferentricevaritisinsoutheHenanProvice.Metod]Xijing787Jingou799，Nanjing5718andXinao319 wereusedastestmaterials，andtheexpermentsrecaiedoutatteexperimentalbaseofXinyangAcademofAgriculturalSciencsin 2020and2O21Result]Withteelayofsowingdate，tegrowthperiodofdiferentvarietiesasshoted，andteutilizatioateofeffectiveaccumulatedtemperatureandsunshinehoursofeachvaretyshowedadecreasingtrendWiththedelayofsowingdate，therateof browrice，witeandfiisdiceiceasdfirstandtendecreasduttepakvueofdiferentvarietiessdiferentealki nessandhalkinessgrainrateshowedadecreasetrendingeneral，andthegraintypewasstable.Conclusion]Xinjing1787andJigyou 7699shouldbesowninthethirdstage（May16），Nanjing5718shouldbesowinthefourthstage（May26），andXinliangyou319should be sown in the first stage （April 26）.
Key WordsSowing date;Temperature; Growth period;Temperature and light utilization;Production ;Quality
水稻是我国重要的粮食作物，随着生活水平的提升，消费者对稻米品质的要求也不断提高。（剩余6477字）