禪穗占

審定(ding)編號：粵審稻2008034

選育單(dan)位：佛山市農業科學研究所

品(pin)種來源(yuan)：佛山油占/中二軟(ruan)占

特征特性(xing)：感(gan)溫型常規(gui)稻(dao)品種。晚造平(ping)均全(quan)生育(yu)期111～113天(tian)，比粳(jing)秈89早熟(shu)2～3天(tian)。分蘗力中(zhong)(zhong)(zhong)(zhong)弱，抽穗(sui)(sui)(sui)整(zheng)(zheng)齊，株型適中(zhong)(zhong)(zhong)(zhong)，葉(xie)色濃，葉(xie)姿中(zhong)(zhong)(zhong)(zhong)等，長(chang)勢繁茂，著粒密，熟(shu)色好。抗(kang)寒(han)性(xing)模擬鑒(jian)定(ding)孕穗(sui)(sui)(sui)期為(wei)中(zhong)(zhong)(zhong)(zhong)弱，開花期為(wei)中(zhong)(zhong)(zhong)(zhong)。科高95.3～101.7厘米(mi)，穗(sui)(sui)(sui)長(chang)19.7～21.9厘米(mi)，畝有效(xiao)穗(sui)(sui)(sui)18.5～18.9萬，每穗(sui)(sui)(sui)總(zong)粒數139.6～163.9粒，結實率75.3%～77.2%，千粒重20.3～21.7克(ke)。晚造米(mi)質鑒(jian)定(ding)為(wei)國標(biao)、省標(biao)優質2級(ji)，主要理化指標(biao)：整(zheng)(zheng)精米(mi)率72%，堊(e)白(bai)粒率8%，堊(e)白(bai)度2.4%，直(zhi)鏈(lian)淀粉17.3%，膠稠度73毫米(mi)，食味(wei)品質分80分。中(zhong)(zhong)(zhong)(zhong)感(gan)稻(dao)瘟(wen)(wen)(wen)病，中(zhong)(zhong)(zhong)(zhong)B、中(zhong)(zhong)(zhong)(zhong)C群和(he)總(zong)抗(kang)性(xing)頻率分別為(wei)55.9%、81.5%、69.2%，病圃鑒(jian)定(ding)穗(sui)(sui)(sui)瘟(wen)(wen)(wen)5.7級(ji)，葉(xie)瘟(wen)(wen)(wen)6.3級(ji)；中(zhong)(zhong)(zhong)(zhong)感(gan)白(bai)葉(xie)枯病（Ⅳ型5級(ji)，Ⅴ型7級(ji)）；田間自然條(tiao)件下，2006年羅定(ding)試(shi)點(dian)表現(xian)中(zhong)(zhong)(zhong)(zhong)感(gan)穗(sui)(sui)(sui)頸(jing)瘟(wen)(wen)(wen)，2007年龍川(chuan)試(shi)點(dian)表現(xian)重感(gan)穗(sui)(sui)(sui)頸(jing)瘟(wen)(wen)(wen)，陽江試(shi)點(dian)表現(xian)中(zhong)(zhong)(zhong)(zhong)感(gan)穗(sui)(sui)(sui)頸(jing)瘟(wen)(wen)(wen)和(he)葉(xie)瘟(wen)(wen)(wen)。

產(chan)(chan)(chan)量(liang)表現：2006年(nian)晚造初試(shi)，平(ping)均(jun)(jun)畝產(chan)(chan)(chan)418.71公(gong)斤，比對(dui)(dui)照種(zhong)粳秈89減產(chan)(chan)(chan)2.73%，2007年(nian)晚造復試(shi)，平(ping)均(jun)(jun)畝產(chan)(chan)(chan)420.58公(gong)斤，比對(dui)(dui)照種(zhong)減產(chan)(chan)(chan)0.54%，兩年(nian)減產(chan)(chan)(chan)均(jun)(jun)不顯著(zhu)。2007年(nian)晚造生產(chan)(chan)(chan)試(shi)驗平(ping)均(jun)(jun)畝產(chan)(chan)(chan)441.44公(gong)斤，比對(dui)(dui)照種(zhong)增產(chan)(chan)(chan)1.92%。日產(chan)(chan)(chan)量(liang)3.69～3.78公(gong)斤。

栽培技術要點：注意防治稻(dao)瘟病和白葉枯病，并(bing)加強中后期肥水管理以提高結實率。

省(sheng)品審(shen)會(hui)審(shen)定(ding)意見：禪穗(sui)占為感溫型常(chang)規稻(dao)品種(zhong)。晚(wan)造全生育(yu)期(qi)比粳秈89早熟2～3天(tian)。豐產(chan)性(xing)與(yu)對照(zhao)種(zhong)相當(dang)，晚(wan)造米質鑒定(ding)為國標、省(sheng)標優質2級，中(zhong)(zhong)感稻(dao)瘟(wen)病(bing)和(he)白葉枯病(bing)，抗寒性(xing)中(zhong)(zhong)弱(ruo)，適(shi)宜(yi)我省(sheng)中(zhong)(zhong)南(nan)和(he)西南(nan)稻(dao)作區的平原(yuan)地(di)區早、晚(wan)造種(zhong)植，栽培上要注意防治稻(dao)瘟(wen)病(bing)和(he)白葉枯病(bing)，并加強中(zhong)(zhong)后期(qi)肥水管理(li)以提高結實率。符合廣東省(sheng)農作物(wu)品種(zhong)審(shen)定(ding)標準(zhun)，審(shen)定(ding)通(tong)過。