品種名稱：美香優桂福香

      申請者：南寧谷源豐種業有(you)限(xian)公(gong)司

      育種者：南寧(ning)谷(gu)源豐種(zhong)業有限公司

      品種來源：美香A×桂福香

      特征特性：秈型三系雜交水稻品種。在長(chang)(chang)(chang)江上游作(zuo)一季中(zhong)(zhong)稻種植(zhi)，全生育期147.8天(tian)(tian)，比對照F優(you)498早熟2.7天(tian)(tian)。株(zhu)高(gao)109.9厘米(mi)(mi)，穗(sui)(sui)(sui)長(chang)(chang)(chang)24.0厘米(mi)(mi)，每畝有效穗(sui)(sui)(sui)數(shu)17.2萬穗(sui)(sui)(sui)，每穗(sui)(sui)(sui)總粒數(shu)194.6粒，結實(shi)率(lv)85.6%，千粒重22.9克。抗性(xing)：稻瘟(wen)(wen)病(bing)綜(zong)合指數(shu)兩(liang)年分(fen)別為4.9、4.9，穗(sui)(sui)(sui)頸瘟(wen)(wen)損失率(lv)最高(gao)級(ji)(ji)(ji)7級(ji)(ji)(ji)，褐(he)飛(fei)(fei)虱(shi)(shi)9級(ji)(ji)(ji)，耐(nai)(nai)熱(re)性(xing)1級(ji)(ji)(ji)，耐(nai)(nai)冷(leng)性(xing)5級(ji)(ji)(ji)，感(gan)(gan)稻瘟(wen)(wen)病(bing)，高(gao)感(gan)(gan)褐(he)飛(fei)(fei)虱(shi)(shi)，耐(nai)(nai)熱(re)性(xing)強，耐(nai)(nai)冷(leng)性(xing)一般。米(mi)(mi)質主要指標：糙(cao)米(mi)(mi)率(lv)80.1%，整(zheng)精(jing)米(mi)(mi)率(lv)56.2%，粒長(chang)(chang)(chang)7.2毫米(mi)(mi)，長(chang)(chang)(chang)寬(kuan)比4.0，堊白(bai)度1.1%，透(tou)明度1級(ji)(ji)(ji)，堿消值(zhi)6.4級(ji)(ji)(ji)，膠稠(chou)(chou)度72毫米(mi)(mi)，直(zhi)鏈淀粉(fen)(fen)含量17.1%，達到農業行(xing)(xing)業《食(shi)用(yong)稻品種品質》（NY/T593）標準二(er)(er)級(ji)(ji)(ji)。在長(chang)(chang)(chang)江中(zhong)(zhong)下游作(zuo)雙季晚稻種植(zhi)，全生育期116.7天(tian)(tian)，比對照五優(you)308早熟1.1天(tian)(tian)。株(zhu)高(gao)112.6厘米(mi)(mi)，穗(sui)(sui)(sui)長(chang)(chang)(chang)24.5厘米(mi)(mi)，每畝有效穗(sui)(sui)(sui)數(shu)18.6萬穗(sui)(sui)(sui)，每穗(sui)(sui)(sui)總粒數(shu)177.9粒，結實(shi)率(lv)82.4%，千粒重21.6克。抗性(xing)：稻瘟(wen)(wen)病(bing)綜(zong)合指數(shu)兩(liang)年分(fen)別為3.7、3.2，穗(sui)(sui)(sui)頸瘟(wen)(wen)損失率(lv)最高(gao)級(ji)(ji)(ji)5級(ji)(ji)(ji)，白(bai)葉(xie)枯病(bing)7級(ji)(ji)(ji)，褐(he)飛(fei)(fei)虱(shi)(shi)9級(ji)(ji)(ji)，耐(nai)(nai)冷(leng)性(xing)5級(ji)(ji)(ji)，中(zhong)(zhong)感(gan)(gan)稻瘟(wen)(wen)病(bing)，感(gan)(gan)白(bai)葉(xie)枯病(bing)，高(gao)感(gan)(gan)褐(he)飛(fei)(fei)虱(shi)(shi)，耐(nai)(nai)冷(leng)性(xing)一般。米(mi)(mi)質主要指標：糙(cao)米(mi)(mi)率(lv)79.9%，整(zheng)精(jing)米(mi)(mi)率(lv)59.8%，粒長(chang)(chang)(chang)7.0毫米(mi)(mi)，長(chang)(chang)(chang)寬(kuan)比4.0，堊白(bai)度1.9%，透(tou)明度1級(ji)(ji)(ji)，堿消值(zhi)6.6級(ji)(ji)(ji)，膠稠(chou)(chou)度62毫米(mi)(mi)，直(zhi)鏈淀粉(fen)(fen)含量18.7%，達到農業行(xing)(xing)業《食(shi)用(yong)稻品種品質》（NY/T593）標準二(er)(er)級(ji)(ji)(ji)。

      產量表現：2021年(nian)(nian)(nian)(nian)參(can)加(jia)長江上游中秈(xian)(xian)遲熟組聯合體(ti)區(qu)(qu)域(yu)試(shi)(shi)驗，平(ping)(ping)均(jun)畝(mu)(mu)(mu)產(chan)643.3千(qian)克，比(bi)(bi)(bi)對照(zhao)增(zeng)(zeng)產(chan)3.4%；2022年(nian)(nian)(nian)(nian)續(xu)試(shi)(shi)，平(ping)(ping)均(jun)畝(mu)(mu)(mu)產(chan)626.9千(qian)克，比(bi)(bi)(bi)對照(zhao)增(zeng)(zeng)產(chan)1.7%；兩年(nian)(nian)(nian)(nian)區(qu)(qu)域(yu)試(shi)(shi)驗平(ping)(ping)均(jun)畝(mu)(mu)(mu)產(chan)635.1千(qian)克，比(bi)(bi)(bi)對照(zhao)增(zeng)(zeng)產(chan)2.5%；2022年(nian)(nian)(nian)(nian)生(sheng)產(chan)試(shi)(shi)驗，平(ping)(ping)均(jun)畝(mu)(mu)(mu)產(chan)624.5千(qian)克，比(bi)(bi)(bi)對照(zhao)增(zeng)(zeng)產(chan)1.9%。2021年(nian)(nian)(nian)(nian)參(can)加(jia)長江中下游晚秈(xian)(xian)早熟組聯合體(ti)區(qu)(qu)域(yu)試(shi)(shi)驗，平(ping)(ping)均(jun)畝(mu)(mu)(mu)產(chan)562.3千(qian)克，比(bi)(bi)(bi)對照(zhao)增(zeng)(zeng)產(chan)3.2%；2022年(nian)(nian)(nian)(nian)續(xu)試(shi)(shi)，平(ping)(ping)均(jun)畝(mu)(mu)(mu)產(chan)566.3千(qian)克，比(bi)(bi)(bi)對照(zhao)增(zeng)(zeng)產(chan)1.7%；兩年(nian)(nian)(nian)(nian)區(qu)(qu)域(yu)試(shi)(shi)驗平(ping)(ping)均(jun)畝(mu)(mu)(mu)產(chan)564.3千(qian)克，比(bi)(bi)(bi)對照(zhao)增(zeng)(zeng)產(chan)2.5%；2022年(nian)(nian)(nian)(nian)生(sheng)產(chan)試(shi)(shi)驗，平(ping)(ping)均(jun)畝(mu)(mu)(mu)產(chan)586.0千(qian)克，比(bi)(bi)(bi)對照(zhao)增(zeng)(zeng)產(chan)4.3%。

      栽培技術要點：在(zai)(zai)長(chang)江(jiang)上游作(zuo)一(yi)季中(zhong)稻(dao)(dao)種(zhong)(zhong)(zhong)(zhong)(zhong)(zhong)植(zhi)，一(yi)般3月中(zhong)旬—4月中(zhong)旬播(bo)(bo)種(zhong)(zhong)(zhong)(zhong)(zhong)(zhong)，秧(yang)田(tian)播(bo)(bo)種(zhong)(zhong)(zhong)(zhong)(zhong)(zhong)量每(mei)(mei)畝(mu)(mu)10.0千(qian)(qian)(qian)克，大田(tian)畝(mu)(mu)用種(zhong)(zhong)(zhong)(zhong)(zhong)(zhong)量1.2—1.5千(qian)(qian)(qian)克。水育秧(yang)移栽(zai)(zai)(zai)葉(xie)(xie)(xie)齡5.0葉(xie)(xie)(xie)左右，秧(yang)齡控(kong)制在(zai)(zai)40天以(yi)內(nei)。栽(zai)(zai)(zai)插(cha)株行(xing)(xing)距(ju)18.0厘米(mi)×23.0厘米(mi)，每(mei)(mei)畝(mu)(mu)插(cha)足基(ji)本苗7萬(wan)以(yi)上。科學施(shi)(shi)(shi)(shi)肥(fei)，科學灌(guan)溉，合(he)理施(shi)(shi)(shi)(shi)肥(fei)，重(zhong)施(shi)(shi)(shi)(shi)基(ji)肥(fei)，早(zao)施(shi)(shi)(shi)(shi)追肥(fei)。其他田(tian)間管理、栽(zai)(zai)(zai)培和收獲措施(shi)(shi)(shi)(shi)均(jun)(jun)按該類型品種(zhong)(zhong)(zhong)(zhong)(zhong)(zhong)常規(gui)方法實施(shi)(shi)(shi)(shi)。注意防(fang)治稻(dao)(dao)瘟(wen)(wen)病(bing)、稻(dao)(dao)飛(fei)虱、稻(dao)(dao)曲病(bing)等病(bing)蟲害。在(zai)(zai)長(chang)江(jiang)中(zhong)下游作(zuo)雙(shuang)季晚稻(dao)(dao)種(zhong)(zhong)(zhong)(zhong)(zhong)(zhong)植(zhi)，一(yi)般6月上旬—6月中(zhong)旬播(bo)(bo)種(zhong)(zhong)(zhong)(zhong)(zhong)(zhong)，秧(yang)田(tian)播(bo)(bo)種(zhong)(zhong)(zhong)(zhong)(zhong)(zhong)量每(mei)(mei)畝(mu)(mu)10.0千(qian)(qian)(qian)克，大田(tian)畝(mu)(mu)用種(zhong)(zhong)(zhong)(zhong)(zhong)(zhong)量1.0—1.3千(qian)(qian)(qian)克。水育秧(yang)移栽(zai)(zai)(zai)葉(xie)(xie)(xie)齡4.5葉(xie)(xie)(xie)左右，秧(yang)齡控(kong)制在(zai)(zai)25天以(yi)內(nei)。栽(zai)(zai)(zai)插(cha)株行(xing)(xing)距(ju)20.0厘米(mi)×25.0厘米(mi)，每(mei)(mei)畝(mu)(mu)插(cha)足基(ji)本苗7萬(wan)以(yi)上。科學施(shi)(shi)(shi)(shi)肥(fei)，科學灌(guan)溉，合(he)理施(shi)(shi)(shi)(shi)肥(fei)，重(zhong)施(shi)(shi)(shi)(shi)基(ji)肥(fei)，早(zao)施(shi)(shi)(shi)(shi)追肥(fei)。其他田(tian)間管理、栽(zai)(zai)(zai)培和收獲措施(shi)(shi)(shi)(shi)均(jun)(jun)按該類型品種(zhong)(zhong)(zhong)(zhong)(zhong)(zhong)常規(gui)方法實施(shi)(shi)(shi)(shi)。注意防(fang)治稻(dao)(dao)瘟(wen)(wen)病(bing)、稻(dao)(dao)飛(fei)虱、稻(dao)(dao)曲病(bing)等病(bing)蟲害。

      審定意見：該品(pin)種(zhong)(zhong)符合(he)國家稻(dao)品(pin)種(zhong)(zhong)審定(ding)(ding)標準，通(tong)過審定(ding)(ding)。適(shi)(shi)宜(yi)在(zai)四川省(sheng)(sheng)(sheng)平壩丘陵稻(dao)區(qu)、貴州省(sheng)(sheng)(sheng)（武陵山區(qu)除外）、云南省(sheng)(sheng)(sheng)的(de)中低(di)海拔(ba)(ba)秈稻(dao)區(qu)、重(zhong)慶市（武陵山區(qu)除外）海拔(ba)(ba)800米以下地區(qu)、陜西(xi)省(sheng)(sheng)(sheng)南部稻(dao)區(qu)的(de)稻(dao)瘟病輕發(fa)區(qu)作(zuo)一季(ji)中稻(dao)種(zhong)(zhong)植(zhi)，稻(dao)瘟病重(zhong)發(fa)區(qu)不宜(yi)種(zhong)(zhong)植(zhi)。適(shi)(shi)宜(yi)在(zai)江西(xi)省(sheng)(sheng)(sheng)、湖(hu)南省(sheng)(sheng)(sheng)、湖(hu)北省(sheng)(sheng)(sheng)、安徽省(sheng)(sheng)(sheng)、浙江省(sheng)(sheng)(sheng)的(de)雙(shuang)季(ji)稻(dao)區(qu)的(de)稻(dao)瘟病輕發(fa)區(qu)作(zuo)晚稻(dao)種(zhong)(zhong)植(zhi)。