審(shen)定編號(hao):粵審(shen)稻2008037
選(xuan)育單(dan)位:廣東省農(nong)業科學院水(shui)稻研究所
品種(zhong)來源(yuan):豐(feng)粵占/黃華占
特征特性(xing):感(gan)(gan)溫型(xing)(xing)常規稻品種。晚造平均全生育期(qi)109~111天,比粳秈89早熟(shu)4~5天。分蘗力中弱,抽穗(sui)(sui)(sui)整齊,株(zhu)型(xing)(xing)適中,葉色中,葉姿挺直(zhi),長勢繁茂(mao),著粒密(mi),熟(shu)色好。抗(kang)寒性(xing)模擬鑒定孕穗(sui)(sui)(sui)期(qi)、開(kai)花期(qi)均為(wei)(wei)中弱。科高(gao)93.7~99.9厘米(mi),穗(sui)(sui)(sui)長19.5~20.8厘米(mi),畝有效穗(sui)(sui)(sui)18.2~19.2萬,每穗(sui)(sui)(sui)總(zong)粒數147.4~162.6粒,結實率78.2%~82.5%,千粒重19.2~20.4克。晚造米(mi)質(zhi)鑒定為(wei)(wei)國標、省標優質(zhi)1級(ji),整精米(mi)率70.1%,堊白(bai)粒率4%,堊白(bai)度(du)0.6%,直(zhi)鏈淀粉17.3%,膠稠度(du)77毫米(mi),食味(wei)品質(zhi)分91分。感(gan)(gan)稻瘟(wen)(wen)病(bing),中B、中C群(qun)和總(zong)抗(kang)性(xing)頻率分別為(wei)(wei)59.5%~64.7%、85.7%~88.9%、69.1%~76.9%,病(bing)圃鑒定穗(sui)(sui)(sui)瘟(wen)(wen)7級(ji),葉瘟(wen)(wen)2.7~6級(ji);抗(kang)白(bai)葉枯病(bing)(Ⅳ型(xing)(xing)1級(ji),Ⅴ型(xing)(xing)7級(ji));田間自(zi)然條件下(xia),2006年(nian)雷州試(shi)(shi)點表現(xian)重感(gan)(gan)白(bai)葉枯病(bing),2007年(nian)龍川試(shi)(shi)點表現(xian)重感(gan)(gan)穗(sui)(sui)(sui)頸(jing)瘟(wen)(wen)、中感(gan)(gan)葉瘟(wen)(wen),陽江試(shi)(shi)點表現(xian)感(gan)(gan)穗(sui)(sui)(sui)頸(jing)瘟(wen)(wen)、中感(gan)(gan)葉瘟(wen)(wen)。
產(chan)(chan)量表現(xian):2006年(nian)晚造(zao)初試,平均(jun)(jun)(jun)畝(mu)產(chan)(chan)449.80公(gong)(gong)斤,比對照(zhao)(zhao)種(zhong)粳秈89增產(chan)(chan)4.40%,2007年(nian)晚造(zao)復試,平均(jun)(jun)(jun)畝(mu)產(chan)(chan)414.59公(gong)(gong)斤,比對照(zhao)(zhao)種(zhong)減產(chan)(chan)1.95%,兩年(nian)增、減產(chan)(chan)均(jun)(jun)(jun)不顯(xian)著。2007年(nian)晚造(zao)生產(chan)(chan)試驗(yan)平均(jun)(jun)(jun)畝(mu)產(chan)(chan)454.08公(gong)(gong)斤,比對照(zhao)(zhao)種(zhong)增產(chan)(chan)6.87%。日產(chan)(chan)量3.79~4.05公(gong)(gong)斤。
栽培(pei)技術要點:特別注意防(fang)治稻(dao)(dao)瘟病(bing),稻(dao)(dao)瘟病(bing)歷史病(bing)區不(bu)宜種植。
省品(pin)審(shen)(shen)會審(shen)(shen)定(ding)意見:黃粵占為(wei)感(gan)溫(wen)型常規稻(dao)(dao)(dao)品(pin)種(zhong)(zhong)。晚(wan)(wan)造全(quan)生育期比粳秈89早熟(shu)4~5天(tian)。豐產性與對照種(zhong)(zhong)相當,晚(wan)(wan)造米質鑒定(ding)為(wei)國標、省標優質1級,感(gan)稻(dao)(dao)(dao)瘟(wen)病,抗白葉枯病(Ⅳ型),抗寒(han)性中(zhong)(zhong)弱。適宜(yi)(yi)我省中(zhong)(zhong)南和西南稻(dao)(dao)(dao)作區的平原地區早、晚(wan)(wan)造種(zhong)(zhong)植(zhi),栽培(pei)上要特別(bie)注意防治(zhi)稻(dao)(dao)(dao)瘟(wen)病,稻(dao)(dao)(dao)瘟(wen)病歷史病區不宜(yi)(yi)種(zhong)(zhong)植(zhi)。符(fu)合廣(guang)東省農(nong)作物品(pin)種(zhong)(zhong)審(shen)(shen)定(ding)標準,審(shen)(shen)定(ding)通過。











