審定編號:粵審稻2011026
選育單位:廣東(dong)省農業科學院水稻研(yan)究所
品(pin)種來源:黃莉占(zhan)///黃華(hua)占(zhan)//綠(lv)油占(zhan)/CBB23
特征特性(xing):感(gan)溫(wen)型常規(gui)稻(dao)品種。晚造平均全(quan)生育期113~115天,與對照種粳秈89相(xiang)當(dang)。株型適中(zhong)(zhong)(zhong),分蘗力中(zhong)(zhong)(zhong)強(qiang)(qiang),抗倒力強(qiang)(qiang),耐寒(han)性(xing)中(zhong)(zhong)(zhong)強(qiang)(qiang),后期熟色中(zhong)(zhong)(zhong)。科高99.2~102.6厘米(mi),穗長20.1~20.2厘米(mi),畝有效穗18.3~19.8萬穗,每(mei)穗總(zong)粒(li)數117~121粒(li),結實率(lv)(lv)86.8%~87.3%,千粒(li)重23.7~24.0克。米(mi)質鑒定為國(guo)標優質3級、省標優質2級,整精米(mi)率(lv)(lv)68.6%~72.6%,堊白粒(li)率(lv)(lv)4%~10%,堊白度(du)0.9%~2.1%,直鏈淀(dian)粉18.4%~18.5%,膠稠度(du)80~87毫(hao)米(mi),長寬(kuan)比3.4~3.5,食味品質分78~80分。高抗稻(dao)瘟(wen)病,中(zhong)(zhong)(zhong)B、中(zhong)(zhong)(zhong)C群(qun)和總(zong)抗性(xing)頻(pin)率(lv)(lv)分別為92.31%~96.9%、94.44%~100%、94.12%~98.4%,病圃鑒定穗瘟(wen)1.5~2.5級,葉(xie)瘟(wen)1.75~2.5級;抗白葉(xie)枯病(Ⅳ型菌(jun)(jun)1級,Ⅴ型菌(jun)(jun)1~3級)。
產(chan)(chan)量(liang)表現:2009年、2010年晚造(zao)參加省(sheng)區試,平(ping)(ping)均(jun)(jun)畝(mu)產(chan)(chan)分別為421.93公(gong)斤(jin)和426.11公(gong)斤(jin),比對照(zhao)(zhao)種(zhong)(zhong)粳秈89分別增產(chan)(chan)6.36%和4.98%,2009年增產(chan)(chan)顯著,2010年增產(chan)(chan)不顯著。2010年晚造(zao)參加省(sheng)生產(chan)(chan)試驗(yan),平(ping)(ping)均(jun)(jun)畝(mu)產(chan)(chan)400.07公(gong)斤(jin),比對照(zhao)(zhao)種(zhong)(zhong)粳秈89增產(chan)(chan)1.02%。日產(chan)(chan)量(liang)3.71~3.73公(gong)斤(jin)。
栽培技術要點:分蘗(bo)期促控結合增(zeng)加有效分蘗(bo)數。
省(sheng)品審(shen)(shen)會(hui)審(shen)(shen)定(ding)(ding)(ding)意(yi)見:新黃占為感溫型常規稻品種。晚造(zao)全(quan)生育期與對(dui)照種粳秈89相當(dang)。豐產性(xing)較好,米(mi)質鑒定(ding)(ding)(ding)為國標優(you)(you)質3級、省(sheng)標優(you)(you)質2級,高(gao)抗(kang)稻瘟(wen)病,抗(kang)白葉枯病,耐寒性(xing)中(zhong)強。適宜(yi)我省(sheng)粵北以外(wai)稻作區(qu)早、晚造(zao)種植。符(fu)合廣東省(sheng)農(nong)作物品種審(shen)(shen)定(ding)(ding)(ding)標準,審(shen)(shen)定(ding)(ding)(ding)通過(guo)。











