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利兩優1號
發布時間:2022-07-04 22:48:56.0      發布作者:      閱讀次數:0

審定編號:豫審稻20190002

品種名稱:利兩(liang)優1號

主(zhu)要特性:中秈遲熟兩系(xi)雜交(jiao)稻新品種,全生(sheng)育期143天。株高適(shi)中,畝有效穗(sui)18.4萬,平(ping)均穗(sui)長(chang)(chang)24.8cm,每穗(sui)總粒(li)(li)(li)(li)數(shu)185.0粒(li)(li)(li)(li),結(jie)實率(lv)(lv)(lv)(lv)83.9%,千粒(li)(li)(li)(li)重24.0g。株型適(shi)中,葉片直(zhi)挺稍(shao)內卷,分(fen)(fen)蘗(bo)力(li)較強,抽穗(sui)整(zheng)齊,谷粒(li)(li)(li)(li)長(chang)(chang)粒(li)(li)(li)(li),后期落色好。品質分(fen)(fen)析:2016年(nian)檢測:出(chu)糙率(lv)(lv)(lv)(lv)78.9%、精(jing)(jing)米率(lv)(lv)(lv)(lv)70.5%、整(zheng)精(jing)(jing)米率(lv)(lv)(lv)(lv)54.3%、粒(li)(li)(li)(li)長(chang)(chang)6.4mm、長(chang)(chang)寬(kuan)比(bi)3.2、堊白(bai)粒(li)(li)(li)(li)率(lv)(lv)(lv)(lv)47%、堊白(bai)度(du)14.2%、直(zhi)鏈淀(dian)粉14%、膠稠度(du)58mm、堿消值4.3級(ji)、透(tou)明度(du)1級(ji)、水分(fen)(fen)13.8%;2017年(nian)檢測:出(chu)糙率(lv)(lv)(lv)(lv)77.4%、精(jing)(jing)米率(lv)(lv)(lv)(lv)66.3%、整(zheng)精(jing)(jing)米率(lv)(lv)(lv)(lv)52.2%、粒(li)(li)(li)(li)長(chang)(chang)6.1mm、長(chang)(chang)寬(kuan)比(bi)3.0、堊白(bai)粒(li)(li)(li)(li)率(lv)(lv)(lv)(lv)45%、堊白(bai)度(du)15.5%、直(zhi)鏈淀(dian)粉12.6%、膠稠度(du)90mm、堿消值4.0級(ji)、透(tou)明度(du)2級(ji)、水分(fen)(fen)11.6%。

產量表(biao)現:2016年參加豫南(nan)稻(dao)(dao)(dao)區(qu)中(zhong)秈稻(dao)(dao)(dao)區(qu)域試驗,10點(dian)匯總,9點(dian)增(zeng)(zeng)(zeng)(zeng)產(chan)(chan)(chan),增(zeng)(zeng)(zeng)(zeng)產(chan)(chan)(chan)點(dian)率90.0%,平(ping)均畝產(chan)(chan)(chan)稻(dao)(dao)(dao)谷627.4kg,比(bi)(bi)對照(zhao)豐兩優四號(hao)增(zeng)(zeng)(zeng)(zeng)產(chan)(chan)(chan)9.8%;2017年續試,7點(dian)匯總,7點(dian)增(zeng)(zeng)(zeng)(zeng)產(chan)(chan)(chan),增(zeng)(zeng)(zeng)(zeng)產(chan)(chan)(chan)點(dian)率100%,平(ping)均畝產(chan)(chan)(chan)稻(dao)(dao)(dao)谷611.4kg,比(bi)(bi)對照(zhao)豐兩優四號(hao)增(zeng)(zeng)(zeng)(zeng)產(chan)(chan)(chan)7.9%。2018年參加生產(chan)(chan)(chan)試驗,7點(dian)匯總,7點(dian)增(zeng)(zeng)(zeng)(zeng)產(chan)(chan)(chan),增(zeng)(zeng)(zeng)(zeng)產(chan)(chan)(chan)點(dian)率100%,平(ping)均畝產(chan)(chan)(chan)601.3kg,比(bi)(bi)對照(zhao)豐兩優四號(hao)增(zeng)(zeng)(zeng)(zeng)產(chan)(chan)(chan)7.4%。

適宜區域:適宜豫南稻區(qu)種植。該品種分蘗(bo)能(neng)力(li)中等(deng),建議培育壯秧,促(cu)進秧苗早(zao)生快發,提高分蘗(bo),注(zhu)意(yi)紋枯病防治。