播期對(duì)水稻生育期·產(chǎn)質(zhì)量和溫光資源利用的影響

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中圖分類號(hào)S511文獻(xiàn)標(biāo)識(shí)碼A文章編號(hào) 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

水稻是我國(guó)重要的糧食作物，隨著生活水平的提升，消費(fèi)者對(duì)稻米品質(zhì)的要求也不斷提高。（剩余6477字）