品種名稱：鹽(yan)田育4號

      申(shen) 請 者：連云港市農業科學院

      育 種 者：連云港市農(nong)業(ye)科(ke)學院

      品種(zhong)來源：連(lian)9823/連(lian)96-1，參試名稱(cheng)“連(lian)鑒9號”

      特征(zheng)特性(xing)(xing)(xing)(xing)：耐(nai)(nai)鹽(yan)(yan)(yan)(yan)中(zhong)(zhong)粳(jing)糯稻(dao)品種。株(zhu)(zhu)高(gao)適(shi)中(zhong)(zhong)，株(zhu)(zhu)型(xing)適(shi)中(zhong)(zhong)，葉(xie)片挺，葉(xie)色濃綠，后期(qi)轉(zhuan)色好，抗(kang)倒(dao)性(xing)(xing)(xing)(xing)較好。聯(lian)合(he)體(ti)區試平均結(jie)果：全生育期(qi)142.8天，比對照鹽(yan)(yan)(yan)(yan)稻(dao)12號短1.8天。株(zhu)(zhu)高(gao)89.4厘米(mi)(mi)，每(mei)畝有(you)效(xiao)穗19.3萬，每(mei)穗總粒(li)數142.8粒(li)，結(jie)實(shi)率89.3%，千粒(li)重24.9克。經江蘇省農(nong)業科學(xue)院植保所鑒(jian)(jian)定：穗頸瘟損(sun)失率1級(ji)，稻(dao)瘟病(bing)(bing)綜(zong)合(he)抗(kang)性(xing)(xing)(xing)(xing)指(zhi)數2.0，抗(kang)稻(dao)瘟病(bing)(bing)，中(zhong)(zhong)感(gan)白葉(xie)枯病(bing)(bing)、條紋葉(xie)枯病(bing)(bing)，抗(kang)紋枯病(bing)(bing)。耐(nai)(nai)鹽(yan)(yan)(yan)(yan)性(xing)(xing)(xing)(xing)鑒(jian)(jian)定：5‰鹽(yan)(yan)(yan)(yan)濃度(du)(du)下芽(ya)期(qi)至(zhi)苗期(qi)耐(nai)(nai)鹽(yan)(yan)(yan)(yan)性(xing)(xing)(xing)(xing)鑒(jian)(jian)定為5級(ji)，3‰鹽(yan)(yan)(yan)(yan)濃度(du)(du)下分蘗期(qi)至(zhi)成熟(shu)期(qi)鑒(jian)(jian)定為5級(ji)，全生育期(qi)耐(nai)(nai)鹽(yan)(yan)(yan)(yan)性(xing)(xing)(xing)(xing)綜(zong)合(he)鑒(jian)(jian)定為5級(ji)。耐(nai)(nai)鹽(yan)(yan)(yan)(yan)性(xing)(xing)(xing)(xing)評價：耐(nai)(nai)鹽(yan)(yan)(yan)(yan)性(xing)(xing)(xing)(xing)中(zhong)(zhong)等。米(mi)(mi)質理化指(zhi)標根據農(nong)業農(nong)村部食(shi)品質量監督檢驗測(ce)試中(zhong)(zhong)心（武(wu)漢(han)）2020年檢測(ce)：整精米(mi)(mi)率63.3%，膠稠(chou)度(du)(du)100毫米(mi)(mi)、直鏈(lian)淀粉含(han)量1.4%，長(chang)寬(kuan)比1.7，達到(dao)農(nong)業行業《食(shi)用稻(dao)品種品質》標準(zhun)三級(ji)。

      產(chan)(chan)量表現：2019~2020年參(can)加江蘇省耐(nai)鹽中粳稻(dao)沿海所科企聯合體(ti)區試，兩年平(ping)均畝(mu)產(chan)(chan)514.9公斤(jin)，比對(dui)照鹽稻(dao)12號增(zeng)產(chan)(chan)2.2%。2020年參(can)加生產(chan)(chan)試驗，平(ping)均畝(mu)產(chan)(chan)551.8公斤(jin)，比對(dui)照鹽稻(dao)12號增(zeng)產(chan)(chan)3.4%。

      栽(zai)(zai)培(pei)技術要點：1、適期(qi)(qi)播種(zhong)(zhong)，培(pei)育(yu)(yu)壯秧。5月中上旬播種(zhong)(zhong)，一般采用(yong)(yong)甜土（客土）育(yu)(yu)秧方式(shi)，旱育(yu)(yu)秧每(mei)畝(mu)(mu)(mu)播量35~40公(gong)斤(jin)，大(da)田用(yong)(yong)種(zhong)(zhong)量每(mei)畝(mu)(mu)(mu)3.5~4公(gong)斤(jin)。秧田要施(shi)(shi)足基(ji)肥(fei)(fei)(fei)(fei)(fei)，一葉(xie)一心施(shi)(shi)斷(duan)(duan)奶肥(fei)(fei)(fei)(fei)(fei)，移栽(zai)(zai)前(qian)3~5天(tian)施(shi)(shi)送嫁肥(fei)(fei)(fei)(fei)(fei)，以(yi)培(pei)育(yu)(yu)適齡(ling)多蘗壯秧。機插(cha)栽(zai)(zai)培(pei)，每(mei)畝(mu)(mu)(mu)大(da)田用(yong)(yong)種(zhong)(zhong)量4～6公(gong)斤(jin)。2、適時(shi)移栽(zai)(zai)，合(he)理密植。一般6月中下(xia)旬移栽(zai)(zai)，秧齡(ling)控(kong)制在30~35天(tian)，每(mei)畝(mu)(mu)(mu)栽(zai)(zai)插(cha)2萬(wan)(wan)穴左右(you)；機插(cha)秧秧齡(ling)18~20天(tian)，每(mei)畝(mu)(mu)(mu)栽(zai)(zai)插(cha)1.8萬(wan)(wan)穴以(yi)上。每(mei)畝(mu)(mu)(mu)基(ji)本苗(miao)6萬(wan)(wan)~8萬(wan)(wan)。3、平衡施(shi)(shi)肥(fei)(fei)(fei)(fei)(fei)，科學灌(guan)溉。一般畝(mu)(mu)(mu)施(shi)(shi)純氮(dan)(dan)18～20公(gong)斤(jin)，配合(he)施(shi)(shi)用(yong)(yong)磷、鉀肥(fei)(fei)(fei)(fei)(fei)。氮(dan)(dan)肥(fei)(fei)(fei)(fei)(fei)運籌堅(jian)持“前(qian)重(zhong)(zhong)、中控(kong)、后(hou)(hou)(hou)補”的原則，基(ji)肥(fei)(fei)(fei)(fei)(fei)和(he)分蘗肥(fei)(fei)(fei)(fei)(fei)占55%左右(you)，穗(sui)粒肥(fei)(fei)(fei)(fei)(fei)占45%左右(you)。磷肥(fei)(fei)(fei)(fei)(fei)作(zuo)基(ji)肥(fei)(fei)(fei)(fei)(fei)使用(yong)(yong)，鉀肥(fei)(fei)(fei)(fei)(fei)60%作(zuo)基(ji)肥(fei)(fei)(fei)(fei)(fei)、40%作(zuo)拔節(jie)肥(fei)(fei)(fei)(fei)(fei)。水(shui)(shui)(shui)漿管理采取(qu)“淺(qian)水(shui)(shui)(shui)栽(zai)(zai)秧、寸(cun)水(shui)(shui)(shui)活棵(ke)、薄(bo)水(shui)(shui)(shui)分蘗，孕穗(sui)期(qi)(qi)和(he)抽(chou)穗(sui)揚花期(qi)(qi)保(bao)持淺(qian)水(shui)(shui)(shui)層5~7天(tian)，后(hou)(hou)(hou)期(qi)(qi)干濕交替”的灌(guan)溉方式(shi)。在栽(zai)(zai)后(hou)(hou)(hou)20天(tian)達預(yu)期(qi)(qi)穗(sui)數(shu)，當畝(mu)(mu)(mu)總莖蘗數(shu)達預(yu)期(qi)(qi)穗(sui)數(shu)時(shi)，排水(shui)(shui)(shui)分次擱田，畝(mu)(mu)(mu)高峰苗(miao)不超(chao)過(guo)30萬(wan)(wan)，畝(mu)(mu)(mu)成穗(sui)23萬(wan)(wan)。水(shui)(shui)(shui)稻(dao)(dao)生(sheng)長期(qi)(qi)間做到以(yi)水(shui)(shui)(shui)壓鹽(yan)，切忌斷(duan)(duan)水(shui)(shui)(shui)過(guo)長，以(yi)防(fang)鹽(yan)害(hai)。收獲前(qian)7~10天(tian)斷(duan)(duan)水(shui)(shui)(shui)。4、綜合(he)防(fang)治(zhi)(zhi)(zhi)病(bing)蟲害(hai)。播種(zhong)(zhong)前(qian)用(yong)(yong)藥劑浸種(zhong)(zhong)防(fang)治(zhi)(zhi)(zhi)惡苗(miao)病(bing)。秧田期(qi)(qi)重(zhong)(zhong)點防(fang)治(zhi)(zhi)(zhi)稻(dao)(dao)薊馬(ma)、灰飛虱(shi)、苗(miao)稻(dao)(dao)瘟(wen)(wen)等，本田期(qi)(qi)重(zhong)(zhong)點做好二化螟、大(da)螟、稻(dao)(dao)飛虱(shi)等蟲害(hai)的綜合(he)防(fang)治(zhi)(zhi)(zhi)，擱田復水(shui)(shui)(shui)后(hou)(hou)(hou)及(ji)時(shi)防(fang)治(zhi)(zhi)(zhi)紋枯病(bing)，破口期(qi)(qi)注(zhu)意防(fang)治(zhi)(zhi)(zhi)稻(dao)(dao)瘟(wen)(wen)病(bing)、稻(dao)(dao)曲(qu)病(bing)，后(hou)(hou)(hou)期(qi)(qi)注(zhu)意防(fang)治(zhi)(zhi)(zhi)縱卷葉(xie)螟、稻(dao)(dao)飛虱(shi)等。

      審(shen)定(ding)意見：通過審(shen)定(ding)，適宜在(zai)江蘇省沿(yan)海(hai)含鹽量3‰~5‰的鹽堿地作淡水(shui)灌溉(gai)種植。