品種名稱：荃廣優徽絲

      申請者：安(an)徽(hui)荃(quan)銀(yin)超大種業有限公司

      育種者：安徽荃銀超(chao)大種(zhong)(zhong)業有限公司(si)、安徽荃銀高科種(zhong)(zhong)業股(gu)份有限公司(si)

      品種來源：荃廣A×徽(hui)絲苗(miao)

      特征特性：秈(xian)型三系雜交水稻(dao)(dao)(dao)品(pin)種(zhong)。在長(chang)(chang)江上游(you)作一(yi)季中稻(dao)(dao)(dao)種(zhong)植(zhi)，全生育期151.0天(tian)，比(bi)對(dui)照F優(you)498早熟(shu)1.0天(tian)。株(zhu)高106.3厘(li)米(mi)(mi)，穗(sui)(sui)長(chang)(chang)24.4厘(li)米(mi)(mi)，每(mei)畝有效穗(sui)(sui)數(shu)16.1萬穗(sui)(sui)，每(mei)穗(sui)(sui)總(zong)粒(li)(li)(li)數(shu)213.4粒(li)(li)(li)，結(jie)實率(lv)(lv)84.2%，千(qian)粒(li)(li)(li)重(zhong)24.2克。抗(kang)性(xing)：稻(dao)(dao)(dao)瘟病(bing)綜(zong)合(he)指數(shu)兩(liang)(liang)(liang)年分別(bie)為4.9、3.4，穗(sui)(sui)頸瘟損(sun)(sun)失(shi)率(lv)(lv)最高級(ji)(ji)7級(ji)(ji)，褐飛(fei)虱(shi)9級(ji)(ji)，耐熱性(xing)3級(ji)(ji)，耐冷性(xing)5級(ji)(ji)，感(gan)(gan)稻(dao)(dao)(dao)瘟病(bing)，高感(gan)(gan)褐飛(fei)虱(shi)，耐熱性(xing)較強，耐冷性(xing)一(yi)般。米(mi)(mi)質(zhi)主要指標：糙(cao)米(mi)(mi)率(lv)(lv)81.1%，整(zheng)精米(mi)(mi)率(lv)(lv)66.9%，粒(li)(li)(li)長(chang)(chang)6.2毫(hao)(hao)米(mi)(mi)，長(chang)(chang)寬比(bi)3.0，堊白(bai)度0.8%，透明度1級(ji)(ji)，堿消值(zhi)6.8級(ji)(ji)，膠(jiao)稠度63毫(hao)(hao)米(mi)(mi)，直鏈淀(dian)粉(fen)含(han)量16.7%，達到(dao)農(nong)業(ye)(ye)行(xing)業(ye)(ye)《食用(yong)稻(dao)(dao)(dao)品(pin)種(zhong)品(pin)質(zhi)》（NY/T593）標準(zhun)一(yi)級(ji)(ji)。在長(chang)(chang)江中下游(you)作一(yi)季中稻(dao)(dao)(dao)種(zhong)植(zhi)，全生育期127.1天(tian)，比(bi)對(dui)照豐兩(liang)(liang)(liang)優(you)四號早熟(shu)4.6天(tian)。株(zhu)高114.9厘(li)米(mi)(mi)，穗(sui)(sui)長(chang)(chang)24.5厘(li)米(mi)(mi)，每(mei)畝有效穗(sui)(sui)數(shu)16.9萬穗(sui)(sui)，每(mei)穗(sui)(sui)總(zong)粒(li)(li)(li)數(shu)211.8粒(li)(li)(li)，結(jie)實率(lv)(lv)82.2%，千(qian)粒(li)(li)(li)重(zhong)23.3克。抗(kang)性(xing)：稻(dao)(dao)(dao)瘟病(bing)綜(zong)合(he)指數(shu)兩(liang)(liang)(liang)年分別(bie)為3.5、3.8，穗(sui)(sui)頸瘟損(sun)(sun)失(shi)率(lv)(lv)最高級(ji)(ji)5級(ji)(ji)，白(bai)葉枯病(bing)5級(ji)(ji)，褐飛(fei)虱(shi)9級(ji)(ji)，中感(gan)(gan)稻(dao)(dao)(dao)瘟病(bing)，中感(gan)(gan)白(bai)葉枯病(bing)，高感(gan)(gan)褐飛(fei)虱(shi)。米(mi)(mi)質(zhi)主要指標：糙(cao)米(mi)(mi)率(lv)(lv)81.0%，整(zheng)精米(mi)(mi)率(lv)(lv)69.1%，粒(li)(li)(li)長(chang)(chang)6.2毫(hao)(hao)米(mi)(mi)，長(chang)(chang)寬比(bi)3.0，堊白(bai)度0.7%，透明度1級(ji)(ji)，堿消值(zhi)6.9級(ji)(ji)，膠(jiao)稠度63毫(hao)(hao)米(mi)(mi)，直鏈淀(dian)粉(fen)含(han)量17.3%，達到(dao)農(nong)業(ye)(ye)行(xing)業(ye)(ye)《食用(yong)稻(dao)(dao)(dao)品(pin)種(zhong)品(pin)質(zhi)》（NY/T593）標準(zhun)一(yi)級(ji)(ji)。

      產量表現：2021年(nian)參加(jia)(jia)長(chang)江上游(you)中秈(xian)遲(chi)熟組聯合(he)體(ti)區域(yu)試(shi)(shi)驗(yan)(yan)(yan)(yan)，平(ping)(ping)均(jun)畝產(chan)(chan)(chan)673.6千(qian)(qian)克(ke)(ke)(ke)(ke)，比(bi)(bi)對(dui)(dui)照(zhao)增(zeng)(zeng)產(chan)(chan)(chan)3.2%；2022年(nian)續(xu)(xu)試(shi)(shi)，平(ping)(ping)均(jun)畝產(chan)(chan)(chan)685.9千(qian)(qian)克(ke)(ke)(ke)(ke)，比(bi)(bi)對(dui)(dui)照(zhao)增(zeng)(zeng)產(chan)(chan)(chan)1.9%；兩年(nian)區域(yu)試(shi)(shi)驗(yan)(yan)(yan)(yan)平(ping)(ping)均(jun)畝產(chan)(chan)(chan)679.8千(qian)(qian)克(ke)(ke)(ke)(ke)，比(bi)(bi)對(dui)(dui)照(zhao)增(zeng)(zeng)產(chan)(chan)(chan)2.5%；2022年(nian)生產(chan)(chan)(chan)試(shi)(shi)驗(yan)(yan)(yan)(yan)，平(ping)(ping)均(jun)畝產(chan)(chan)(chan)662.4千(qian)(qian)克(ke)(ke)(ke)(ke)，比(bi)(bi)對(dui)(dui)照(zhao)增(zeng)(zeng)產(chan)(chan)(chan)3.2%。2021年(nian)參加(jia)(jia)長(chang)江中下游(you)中秈(xian)遲(chi)熟組聯合(he)體(ti)區域(yu)試(shi)(shi)驗(yan)(yan)(yan)(yan)，平(ping)(ping)均(jun)畝產(chan)(chan)(chan)661.8千(qian)(qian)克(ke)(ke)(ke)(ke)，比(bi)(bi)對(dui)(dui)照(zhao)增(zeng)(zeng)產(chan)(chan)(chan)3.4%；2022年(nian)續(xu)(xu)試(shi)(shi)，平(ping)(ping)均(jun)畝產(chan)(chan)(chan)625.5千(qian)(qian)克(ke)(ke)(ke)(ke)，比(bi)(bi)對(dui)(dui)照(zhao)增(zeng)(zeng)產(chan)(chan)(chan)1.2%；兩年(nian)區域(yu)試(shi)(shi)驗(yan)(yan)(yan)(yan)平(ping)(ping)均(jun)畝產(chan)(chan)(chan)643.6千(qian)(qian)克(ke)(ke)(ke)(ke)，比(bi)(bi)對(dui)(dui)照(zhao)增(zeng)(zeng)產(chan)(chan)(chan)2.3%；2022年(nian)生產(chan)(chan)(chan)試(shi)(shi)驗(yan)(yan)(yan)(yan)，平(ping)(ping)均(jun)畝產(chan)(chan)(chan)638.8千(qian)(qian)克(ke)(ke)(ke)(ke)，比(bi)(bi)對(dui)(dui)照(zhao)增(zeng)(zeng)產(chan)(chan)(chan)6.1%。

      栽培技術要點：在(zai)長江上(shang)游作一季中稻(dao)(dao)(dao)種(zhong)(zhong)(zhong)(zhong)植，一般3月(yue)(yue)上(shang)旬(xun)(xun)—4月(yue)(yue)中下(xia)旬(xun)(xun)播(bo)種(zhong)(zhong)(zhong)(zhong)，秧(yang)田(tian)(tian)播(bo)種(zhong)(zhong)(zhong)(zhong)量(liang)(liang)每畝(mu)(mu)10.0千克，大田(tian)(tian)畝(mu)(mu)用種(zhong)(zhong)(zhong)(zhong)量(liang)(liang)1.0—1.5千克。水育(yu)秧(yang)移(yi)栽(zai)(zai)葉齡(ling)6.0葉左右，秧(yang)齡(ling)控制在(zai)35天以(yi)內(nei)。栽(zai)(zai)插株(zhu)行距(ju)20.0厘(li)米(mi)(mi)×26.4厘(li)米(mi)(mi)，每畝(mu)(mu)插足(zu)基(ji)本苗(miao)8萬(wan)以(yi)上(shang)。科學(xue)施肥(fei)，收(shou)獲前7天斷水，忌斷水過(guo)早(zao)。其他(ta)田(tian)(tian)間(jian)管(guan)理(li)、栽(zai)(zai)培(pei)和收(shou)獲措施均(jun)按(an)該類型品種(zhong)(zhong)(zhong)(zhong)常規方(fang)法實(shi)施。重(zhong)(zhong)點(dian)防治紋枯(ku)病(bing)(bing)(bing)(bing)、稻(dao)(dao)(dao)曲(qu)病(bing)(bing)(bing)(bing)、稻(dao)(dao)(dao)瘟病(bing)(bing)(bing)(bing)、螟蟲(chong)以(yi)及稻(dao)(dao)(dao)飛虱等(deng)病(bing)(bing)(bing)(bing)蟲(chong)害。在(zai)長江中下(xia)游作一季中稻(dao)(dao)(dao)種(zhong)(zhong)(zhong)(zhong)植，一般4月(yue)(yue)上(shang)旬(xun)(xun)—5月(yue)(yue)中下(xia)旬(xun)(xun)播(bo)種(zhong)(zhong)(zhong)(zhong)，秧(yang)田(tian)(tian)播(bo)種(zhong)(zhong)(zhong)(zhong)量(liang)(liang)每畝(mu)(mu)8.0千克，大田(tian)(tian)畝(mu)(mu)用種(zhong)(zhong)(zhong)(zhong)量(liang)(liang)1.0—1.5千克。水育(yu)秧(yang)移(yi)栽(zai)(zai)葉齡(ling)6.0葉左右，秧(yang)齡(ling)控制在(zai)30天以(yi)內(nei)。栽(zai)(zai)插株(zhu)行距(ju)16.5厘(li)米(mi)(mi)×26.4厘(li)米(mi)(mi)，每畝(mu)(mu)插足(zu)基(ji)本苗(miao)8萬(wan)以(yi)上(shang)。科學(xue)施肥(fei)，收(shou)獲前7天斷水，忌斷水過(guo)早(zao)。其他(ta)田(tian)(tian)間(jian)管(guan)理(li)、栽(zai)(zai)培(pei)和收(shou)獲措施均(jun)按(an)該類型品種(zhong)(zhong)(zhong)(zhong)常規方(fang)法實(shi)施。重(zhong)(zhong)點(dian)防治紋枯(ku)病(bing)(bing)(bing)(bing)、稻(dao)(dao)(dao)曲(qu)病(bing)(bing)(bing)(bing)、稻(dao)(dao)(dao)瘟病(bing)(bing)(bing)(bing)、螟蟲(chong)以(yi)及稻(dao)(dao)(dao)飛虱等(deng)病(bing)(bing)(bing)(bing)蟲(chong)害。

      審定意見：該品種符(fu)合(he)國家稻(dao)(dao)(dao)(dao)(dao)品種審定(ding)標準，通過審定(ding)。適宜在四川省(sheng)平壩丘陵(ling)(ling)稻(dao)(dao)(dao)(dao)(dao)區(qu)(qu)(qu)(qu)、貴(gui)州省(sheng)（武陵(ling)(ling)山(shan)(shan)區(qu)(qu)(qu)(qu)除(chu)外(wai)(wai)）、云南(nan)省(sheng)的(de)中低海(hai)拔(ba)(ba)秈稻(dao)(dao)(dao)(dao)(dao)區(qu)(qu)(qu)(qu)、重(zhong)慶市(shi)（武陵(ling)(ling)山(shan)(shan)區(qu)(qu)(qu)(qu)除(chu)外(wai)(wai)）海(hai)拔(ba)(ba)800米以下地區(qu)(qu)(qu)(qu)、陜西省(sheng)南(nan)部稻(dao)(dao)(dao)(dao)(dao)區(qu)(qu)(qu)(qu)的(de)稻(dao)(dao)(dao)(dao)(dao)瘟病輕發區(qu)(qu)(qu)(qu)作(zuo)一季中稻(dao)(dao)(dao)(dao)(dao)種植(zhi)，稻(dao)(dao)(dao)(dao)(dao)瘟病重(zhong)發區(qu)(qu)(qu)(qu)不宜種植(zhi)。適宜在湖北(bei)省(sheng)（武陵(ling)(ling)山(shan)(shan)區(qu)(qu)(qu)(qu)除(chu)外(wai)(wai)）、湖南(nan)省(sheng)（武陵(ling)(ling)山(shan)(shan)區(qu)(qu)(qu)(qu)除(chu)外(wai)(wai)）、江(jiang)(jiang)(jiang)西省(sheng)、安徽省(sheng)、江(jiang)(jiang)(jiang)蘇省(sheng)的(de)長(chang)江(jiang)(jiang)(jiang)流域稻(dao)(dao)(dao)(dao)(dao)區(qu)(qu)(qu)(qu)以及浙江(jiang)(jiang)(jiang)省(sheng)中稻(dao)(dao)(dao)(dao)(dao)區(qu)(qu)(qu)(qu)、福建省(sheng)北(bei)部稻(dao)(dao)(dao)(dao)(dao)區(qu)(qu)(qu)(qu)、河南(nan)省(sheng)南(nan)部稻(dao)(dao)(dao)(dao)(dao)區(qu)(qu)(qu)(qu)的(de)稻(dao)(dao)(dao)(dao)(dao)瘟病輕發區(qu)(qu)(qu)(qu)作(zuo)一季中稻(dao)(dao)(dao)(dao)(dao)種植(zhi)。