審定編號:粵審稻2011004
選育(yu)單位:廣東省農業(ye)科(ke)學院(yuan)水稻研(yan)究所(suo)
品(pin)種來源:五山(shan)油占(zhan)/美(mei)絲占(zhan)
特征特性(xing)(xing):感溫型(xing)常規(gui)稻品(pin)種(zhong)(zhong)。早造平均全生(sheng)育期(qi)131~136天(tian),與對(dui)照種(zhong)(zhong)優優128相當。株型(xing)中(zhong)(zhong)(zhong)集,葉(xie)(xie)色綠,葉(xie)(xie)姿中(zhong)(zhong)(zhong)等,抗倒力中(zhong)(zhong)(zhong)強,耐寒(han)性(xing)(xing)中(zhong)(zhong)(zhong),后(hou)期(qi)熟色好。科(ke)高(gao)97.3~99.4厘米(mi),畝有效穗(sui)20.9~22.8萬,穗(sui)長(chang)18.8~20.2厘米(mi),每穗(sui)總粒(li)數107.9~131.7粒(li),結實率(lv)79.2%~91.7%,千(qian)粒(li)重20.3~21.2克。米(mi)質鑒(jian)定為國(guo)標優質3級(ji)(ji)、省標優質3級(ji)(ji),整精(jing)米(mi)率(lv)58.5%~61.2%,堊(e)白(bai)粒(li)率(lv)5%~72%,堊(e)白(bai)度4.5%~35.3%,直鏈淀粉14.1%~15.2%,膠稠度78~80毫米(mi),長(chang)寬(kuan)比3.2~3.3,食味品(pin)質分(fen)76~78分(fen)。抗稻瘟(wen)(wen)病(bing),中(zhong)(zhong)(zhong)B群、中(zhong)(zhong)(zhong)C群和總抗性(xing)(xing)頻率(lv)分(fen)別為100%、95%~100%、97.62%~100%,病(bing)圃(pu)鑒(jian)定穗(sui)瘟(wen)(wen)1.5~3.4級(ji)(ji),葉(xie)(xie)瘟(wen)(wen)1.4~2.3級(ji)(ji);中(zhong)(zhong)(zhong)抗白(bai)葉(xie)(xie)枯病(bing)(IV型(xing)菌3級(ji)(ji),V型(xing)菌7級(ji)(ji))。
產量表(biao)現:2009年(nian)早造(zao)參(can)加省(sheng)區試,平(ping)均畝(mu)(mu)產445.29公(gong)(gong)(gong)斤,比(bi)對(dui)照種粵(yue)香占(zhan)增產5.79%,增產顯著;2010年(nian)早造(zao)復試,平(ping)均畝(mu)(mu)產409.80公(gong)(gong)(gong)斤,比(bi)對(dui)照種優(you)優(you)128減產4.11%,減產不顯著。2010年(nian)早造(zao)生產試驗平(ping)均畝(mu)(mu)產384.39公(gong)(gong)(gong)斤,比(bi)對(dui)照種優(you)優(you)128減產3.5%。日(ri)產量3.13~3.27公(gong)(gong)(gong)斤。
栽(zai)培技(ji)術(shu)要點(dian):施好中期肥以增加每穗粒數(shu)。
省品審(shen)(shen)會審(shen)(shen)定意見:美(mei)油占為感溫型常(chang)規稻(dao)品種。早(zao)造全生(sheng)育期(qi)與(yu)(yu)對照(zhao)種優(you)優(you)128相當。產量與(yu)(yu)對照(zhao)種相當,米質鑒定為國(guo)標(biao)優(you)質3級(ji)、省標(biao)優(you)質3級(ji),抗稻(dao)瘟病(bing),中抗白葉枯病(bing),耐寒(han)性中。適宜我省中南和(he)西南稻(dao)作區早(zao)、晚造種植。符合廣東省農作物品種審(shen)(shen)定標(biao)準(zhun),審(shen)(shen)定通過。











