審定編號(hao):粵審稻2011030
選育單位(wei):佛山市(shi)農(nong)業科學(xue)研究(jiu)所
品種(zhong)來(lai)源:早銀占/番粳秈
特征特性(xing):感溫型(xing)常規稻品(pin)種(zhong)(zhong)。晚造平均全生育期(qi)111~113天,比對照種(zhong)(zhong)粳秈89短1~2天。株型(xing)適中(zhong)(zhong)(zhong),分(fen)蘗力(li)中(zhong)(zhong)(zhong)等,抗倒力(li)中(zhong)(zhong)(zhong)強,耐寒性(xing)中(zhong)(zhong)(zhong),后期(qi)熟色好。科高104.3~105.5厘米(mi),穗(sui)(sui)長21.3~21.7厘米(mi),畝(mu)有效穗(sui)(sui)18.3~18.8萬穗(sui)(sui),每穗(sui)(sui)總粒數(shu)147~148粒,結實率84.5%~85.2%,千(qian)粒重19.1~19.4克。米(mi)質(zhi)(zhi)鑒(jian)定為(wei)(wei)國標(biao)和省(sheng)標(biao)優質(zhi)(zhi)2級(ji),整(zheng)精(jing)米(mi)率66.6%~70.8%,堊(e)白粒率5%~10%,堊(e)白度0.5%~1.5%,直鏈(lian)淀(dian)粉(fen)16.9%,膠稠度77~79毫米(mi),長寬比3.8~3.9,食味品(pin)質(zhi)(zhi)分(fen)80~82分(fen)。中(zhong)(zhong)(zhong)抗稻瘟病(bing),中(zhong)(zhong)(zhong)B、中(zhong)(zhong)(zhong)C群和總抗性(xing)頻率分(fen)別為(wei)(wei)78.1%~92.31%、77.78%~91.7%、85.2%~85.29%,病(bing)圃鑒(jian)定穗(sui)(sui)瘟3.5~4級(ji),葉瘟2~2.5級(ji);中(zhong)(zhong)(zhong)感白葉枯病(bing)(Ⅳ型(xing)菌5級(ji),Ⅴ型(xing)菌7級(ji))。
產(chan)量表現:2009年(nian)、2010年(nian)晚(wan)造參(can)加(jia)省區試(shi),平均(jun)畝產(chan)分(fen)別為407.57公(gong)斤(jin)和(he)411.17公(gong)斤(jin),比(bi)對(dui)照(zhao)種粳(jing)秈(xian)89分(fen)別增(zeng)產(chan)2.74%和(he)1.30%,增(zeng)產(chan)均(jun)不顯著。2010年(nian)晚(wan)造參(can)加(jia)省生(sheng)產(chan)試(shi)驗(yan),平均(jun)畝產(chan)411.14公(gong)斤(jin),比(bi)對(dui)照(zhao)種粳(jing)秈(xian)89增(zeng)產(chan)3.81%。日(ri)產(chan)量3.64~3.67公(gong)斤(jin)。
栽培技(ji)術要點:早施重(zhong)施分蘗肥(fei)以(yi)增加畝有效穗(sui)數。
省品(pin)審(shen)會審(shen)定(ding)意見:早(zao)粳占為(wei)感溫型常規稻品(pin)種。晚造(zao)全生育期比對照種粳秈(xian)89短1~2天。產量與對照種相(xiang)當,米質鑒定(ding)為(wei)國標和省標優質2級,中抗稻瘟病,中感白葉枯病,耐寒性中。適宜(yi)我(wo)省粵北以外(wai)稻作(zuo)區(qu)早(zao)、晚造(zao)種植(zhi)。符合廣東省農作(zuo)物品(pin)種審(shen)定(ding)標準,審(shen)定(ding)通過。











