作物種類：水稻

      審定編號：桂(gui)審(shen)稻2025109號

      品種名稱：古香兩優82香

      申 請 者：廣西荃(quan)銀農業科(ke)技有限公(gong)司

      育 種 者：廣(guang)西荃銀(yin)農業科技有(you)限(xian)公司

      品種來源：古香(xiang)S×TR8221(參試名：古香(xiang)兩(liang)優(you)8221）

      特征特性：感溫型兩(liang)系雜交稻(dao)(dao)(dao)品(pin)(pin)(pin)種(zhong)(zhong)。在(zai)桂(gui)南種(zhong)(zhong)植(zhi)(zhi)，全(quan)生育(yu)期(qi)晚稻(dao)(dao)(dao)平均113.4天(tian)(tian)，比(bi)(bi)對(dui)照(zhao)(zhao)豐田優(you)(you)(you)553短(duan)2.9天(tian)(tian)，早(zao)稻(dao)(dao)(dao)種(zhong)(zhong)植(zhi)(zhi)，全(quan)生育(yu)期(qi)122.6天(tian)(tian)，比(bi)(bi)對(dui)照(zhao)(zhao)特(te)優(you)(you)(you)7118短(duan)3.8天(tian)(tian)；在(zai)桂(gui)中、桂(gui)北(bei)(bei)早(zao)稻(dao)(dao)(dao)種(zhong)(zhong)植(zhi)(zhi)，全(quan)生育(yu)期(qi)128.0天(tian)(tian)，比(bi)(bi)對(dui)照(zhao)(zhao)五優(you)(you)(you)308長(chang)(chang)5.8天(tian)(tian)；在(zai)桂(gui)中、桂(gui)北(bei)(bei)和高寒山區作一(yi)季中稻(dao)(dao)(dao)種(zhong)(zhong)植(zhi)(zhi)，全(quan)生育(yu)期(qi)131.8天(tian)(tian)，比(bi)(bi)對(dui)照(zhao)(zhao)深兩(liang)優(you)(you)(you)5814短(duan)5.0天(tian)(tian)。葉(xie)(xie)鞘(qiao)綠色，葉(xie)(xie)片中到深綠色，倒(dao)二葉(xie)(xie)姿態(tai)半直立、葉(xie)(xie)舌長(chang)(chang)度(du)長(chang)(chang)、葉(xie)(xie)舌形(xing)狀二裂；柱頭、穎(ying)尖均為(wei)白(bai)(bai)(bai)色，穎(ying)殼淺黃色，穗(sui)(sui)姿態(tai)強烈下彎，穗(sui)(sui)二次枝梗多(duo)，穗(sui)(sui)分枝姿態(tai)半直立，穗(sui)(sui)上(shang)部3/4有(you)極(ji)短(duan)到短(duan)，芒顏(yan)色（初期(qi)）白(bai)(bai)(bai)色，芒顏(yan)色（后(hou)期(qi)）淺黃色，谷(gu)粒(li)長(chang)(chang)10.46毫米(mi)(mi)，長(chang)(chang)寬比(bi)(bi)4.62。每畝有(you)效穗(sui)(sui)數17.1萬(wan)，株高110.6厘(li)米(mi)(mi)，穗(sui)(sui)長(chang)(chang)24.5厘(li)米(mi)(mi)，每穗(sui)(sui)總粒(li)數166.3粒(li)，結實率82.8%，千粒(li)重23.4克。抗(kang)性(xing)表現：稻(dao)(dao)(dao)瘟病(bing)抗(kang)性(xing)綜合指(zhi)數年度(du)間分別為(wei)4.5、4.5，穗(sui)(sui)瘟損(sun)失率最高級3級；白(bai)(bai)(bai)葉(xie)(xie)枯病(bing)抗(kang)性(xing)7級、7級；抗(kang)性(xing)評(ping)價為(wei)中感稻(dao)(dao)(dao)瘟病(bing)，感白(bai)(bai)(bai)葉(xie)(xie)枯病(bing)。米(mi)(mi)質(zhi)主要指(zhi)標（2023年晚稻(dao)(dao)(dao)）：糙米(mi)(mi)率81.8%，整精米(mi)(mi)率66.7%，長(chang)(chang)寬比(bi)(bi)4.1，堊白(bai)(bai)(bai)粒(li)率4%，堊白(bai)(bai)(bai)度(du)0.6%，透明(ming)度(du)1級，堿消值6.8級，膠(jiao)稠(chou)度(du)76毫米(mi)(mi)，直鏈淀粉含(han)量16.4%，符合NY/T 593-2021《食用稻(dao)(dao)(dao)品(pin)(pin)(pin)種(zhong)(zhong)品(pin)(pin)(pin)質(zhi)》優(you)(you)(you)質(zhi)一(yi)等(deng)食用長(chang)(chang)粒(li)形(xing)秈稻(dao)(dao)(dao)品(pin)(pin)(pin)種(zhong)(zhong)品(pin)(pin)(pin)質(zhi)規定要求。

      產量表現：根(gen)據廣(guang)西“金稻(dao)田(tian)”水稻(dao)聯合體(ti)試(shi)(shi)(shi)驗(yan)(yan)(yan)資料(liao)，2023年(nian)(nian)參加廣(guang)西桂(gui)南(nan)稻(dao)作區(qu)感光晚秈組區(qu)域試(shi)(shi)(shi)驗(yan)(yan)(yan)初試(shi)(shi)(shi)，平均(jun)畝(mu)產(chan)(chan)(chan)505.28公(gong)(gong)斤(jin)，比對(dui)照(zhao)豐田(tian)優(you)553增產(chan)(chan)(chan)5.08%；2024年(nian)(nian)續試(shi)(shi)(shi)，平均(jun)畝(mu)產(chan)(chan)(chan)481.78公(gong)(gong)斤(jin)，比對(dui)照(zhao)豐田(tian)優(you)553增產(chan)(chan)(chan)5.97%；兩年(nian)(nian)試(shi)(shi)(shi)驗(yan)(yan)(yan)平均(jun)畝(mu)產(chan)(chan)(chan)493.5公(gong)(gong)斤(jin)，比對(dui)照(zhao)豐田(tian)優(you)553增產(chan)(chan)(chan)5.5%；2024年(nian)(nian)晚稻(dao)生(sheng)產(chan)(chan)(chan)試(shi)(shi)(shi)驗(yan)(yan)(yan)平均(jun)畝(mu)產(chan)(chan)(chan)512.06公(gong)(gong)斤(jin)，比對(dui)照(zhao)豐田(tian)優(you)553增產(chan)(chan)(chan)5.23%。2024年(nian)(nian)桂(gui)南(nan)早稻(dao)生(sheng)產(chan)(chan)(chan)試(shi)(shi)(shi)驗(yan)(yan)(yan)，平均(jun)畝(mu)產(chan)(chan)(chan)521.69公(gong)(gong)斤(jin)，比對(dui)照(zhao)特優(you)7118增產(chan)(chan)(chan)2.15%；桂(gui)中(zhong)、北早稻(dao)生(sheng)產(chan)(chan)(chan)試(shi)(shi)(shi)驗(yan)(yan)(yan)，平均(jun)畝(mu)產(chan)(chan)(chan)527.97公(gong)(gong)斤(jin)，比對(dui)照(zhao)五優(you)華(hua)占增產(chan)(chan)(chan)6.99%；桂(gui)中(zhong)、北及(ji)高寒山區(qu)作一季中(zhong)稻(dao)生(sheng)產(chan)(chan)(chan)試(shi)(shi)(shi)驗(yan)(yan)(yan)，平均(jun)畝(mu)產(chan)(chan)(chan)580.4公(gong)(gong)斤(jin)，比對(dui)照(zhao)深兩優(you) 5814增產(chan)(chan)(chan) 3.18%。

      栽培技術要點：1、適時播種(zhong)，培育(yu)壯秧(yang)(yang)：桂(gui)南早(zao)稻(dao) 3月15日前(qian)(qian)、晚稻(dao)7月15日前(qian)(qian)，桂(gui)中(zhong)(zhong)、桂(gui)北作一(yi)季早(zao)稻(dao)或(huo)中(zhong)(zhong)稻(dao)3月中(zhong)(zhong)下(xia)旬-5月中(zhong)(zhong)旬前(qian)(qian)均可播種(zhong)，高(gao)寒(han)山區作一(yi)季中(zhong)(zhong)稻(dao) 4月下(xia)旬至5月10日前(qian)(qian)播種(zhong)。每(mei)(mei)畝(mu)大田用(yong)種(zhong)量(liang)(liang)1.0-1.25千克(ke)(ke)，每(mei)(mei)畝(mu)秧(yang)(yang)田播種(zhong)量(liang)(liang)8-10 千克(ke)(ke)，施(shi)足底肥(fei)，培育(yu)多蘗(bo)壯秧(yang)(yang)。2、適時移栽(zai)，合(he)(he)理(li)密植：早(zao)、中(zhong)(zhong)稻(dao)秧(yang)(yang)齡以25-30天為宜，晚稻(dao)秧(yang)(yang)齡15-20天左(zuo)右(you)，栽(zai)插密度(du)1.6-1.8萬(wan)穴(xue)/畝(mu)左(zuo)右(you)，每(mei)(mei)穴(xue)栽(zai)1-2粒(li)種(zhong)子谷苗(miao)，拋栽(zai)秧(yang)(yang)齡 3.5-4.5葉(xie)。3、科學水(shui)肥(fei)管理(li)：多施(shi)有機(ji)肥(fei)，采用(yong)前(qian)(qian)促中(zhong)(zhong)穩后(hou)補施(shi)肥(fei)方法，施(shi)足基肥(fei)，早(zao)施(shi)重施(shi)分蘗(bo)肥(fei)，后(hou)期(qi)(qi)酌施(shi)壯尾肥(fei)，前(qian)(qian)期(qi)(qi)施(shi)肥(fei)量(liang)(liang)占總肥(fei)量(liang)(liang)的(de)70%～80%。氮(dan)磷鉀合(he)(he)理(li)搭(da)配，適宜中(zhong)(zhong)高(gao)肥(fei)力水(shui)平栽(zai)培，畝(mu)總施(shi)肥(fei)量(liang)(liang)純氮(dan)12千克(ke)(ke)左(zuo)右(you)，N:P:K 按 1:0.8:1.2配合(he)(he)施(shi)用(yong)。水(shui)份管理(li)：淺水(shui)移栽(zai)，深(shen)水(shui)回青(qing)，返青(qing)后(hou)淺水(shui)勤(qin)灌促分蘗(bo)，夠苗(miao)露曬田，抽穗揚花(hua)期(qi)(qi)保持水(shui)層，干濕(shi)壯籽，濕(shi)潤養(yang)根(gen)，后(hou)期(qi)(qi)忌斷(duan)水(shui)過早(zao)。4、綜合(he)(he)防治病蟲(chong)害：結(jie)合(he)(he)肥(fei)水(shui)管理(li)，根(gen)據(ju)苗(miao)情和當(dang)時、當(dang)地病蟲(chong)測報及時用(yong)藥防治。

      審定意見：該品種符合(he)廣西稻品種審定(ding)標準，通過審定(ding)。可在桂(gui)南(nan)稻作區(qu)作早、晚(wan)稻，桂(gui)中、桂(gui)北(bei)稻作區(qu)作一季早稻或中稻，高寒山區(qu)作中稻種植(zhi)；注意稻瘟(wen)病、白葉(xie)枯病等病蟲(chong)害的防(fang)治。