品種名稱：華(hua)荃優109

      申 請(qing) 者(zhe)：江蘇(su)大豐(feng)(feng)華豐(feng)(feng)種業股份有限(xian)公司(si)

      育 種(zhong) 者：江蘇大豐(feng)華豐(feng)種(zhong)業股份(fen)有限公司、安(an)徽(hui)荃銀高科(ke)種(zhong)業股份(fen)有限公司

      品種(zhong)來源：荃9311A×;華恢(hui)9號

      特(te)征特(te)性：三系(xi)雜交中(zhong)(zhong)(zhong)秈稻品種。葉色中(zhong)(zhong)(zhong)綠(lv)，分蘗力(li)中(zhong)(zhong)(zhong)等(deng)偏(pian)強，株型適中(zhong)(zhong)(zhong)，群體整(zheng)齊度好(hao)，穗層整(zheng)齊，穗粒(li)(li)結(jie)構協調，谷(gu)粒(li)(li)飽滿，成(cheng)熟(shu)期轉色好(hao)，抗(kang)倒(dao)性強。聯合(he)體區試平均結(jie)果：全生(sheng)育期143.0天(tian)，比對(dui)照Ⅱ優084短0.9天(tian)。株高121.7厘米(mi)，每(mei)畝有效穗16.3萬(wan)，每(mei)穗總(zong)粒(li)(li)數183.8粒(li)(li)，結(jie)實率87.5%，千粒(li)(li)重28.7克。經江蘇省(sheng)農業科學院植保所(suo)鑒定：穗頸瘟(wen)(wen)損失率5級(ji)，稻瘟(wen)(wen)病(bing)綜合(he)抗(kang)性指數5.0，中(zhong)(zhong)(zhong)感(gan)(gan)稻瘟(wen)(wen)病(bing)，中(zhong)(zhong)(zhong)抗(kang)白(bai)葉枯(ku)病(bing)，感(gan)(gan)紋(wen)枯(ku)病(bing)。米(mi)質(zhi)理化指標根據農業農村部食品質(zhi)量監督檢(jian)驗測試中(zhong)(zhong)(zhong)心(xin)（武(wu)漢）2019年檢(jian)測：整(zheng)精(jing)米(mi)率72.9%，堊(e)(e)白(bai)粒(li)(li)率5.0%，堊(e)(e)白(bai)度1.2%，膠稠度78毫米(mi)，直鏈淀粉含量15.2%，長寬比2.9，達到農業行業《食用稻品種品質(zhi)》標準二級(ji)。

      產(chan)(chan)(chan)(chan)量表現：2018~2019年參加(jia)(jia)江蘇省(sheng)雜交中秈沿海(hai)所科企聯合體區試，兩年平均(jun)畝(mu)產(chan)(chan)(chan)(chan)662.4公斤，比對照(zhao)Ⅱ優(you)084增產(chan)(chan)(chan)(chan)5.4%。2020年參加(jia)(jia)生(sheng)產(chan)(chan)(chan)(chan)試驗，平均(jun)畝(mu)產(chan)(chan)(chan)(chan)636.2公斤，比對照(zhao)豐兩優(you)四號增產(chan)(chan)(chan)(chan)7.0%。

      栽(zai)(zai)培技術要點：1、適期(qi)(qi)(qi)播(bo)(bo)種(zhong)，培育壯(zhuang)秧(yang)(yang)(yang)。中(zhong)(zhong)大苗(miao)(miao)(miao)手插(cha)秧(yang)(yang)(yang)一(yi)般5月(yue)上(shang)中(zhong)(zhong)旬播(bo)(bo)種(zhong)，小苗(miao)(miao)(miao)機插(cha)秧(yang)(yang)(yang)一(yi)般5月(yue)下旬播(bo)(bo)種(zhong)。濕潤育秧(yang)(yang)(yang)每(mei)(mei)畝秧(yang)(yang)(yang)田(tian)(tian)播(bo)(bo)種(zhong)量(liang)10公(gong)斤左(zuo)(zuo)(zuo)右(you)、旱育秧(yang)(yang)(yang)20公(gong)斤左(zuo)(zuo)(zuo)右(you)、機插(cha)育秧(yang)(yang)(yang)每(mei)(mei)畝大田(tian)(tian)1.5公(gong)斤左(zuo)(zuo)(zuo)右(you)，播(bo)(bo)種(zhong)時(shi)分(fen)畦定量(liang)勻播(bo)(bo)，并強化播(bo)(bo)后精準管理(li)，培育適齡壯(zhuang)秧(yang)(yang)(yang)。2、適時(shi)移(yi)栽(zai)(zai)，合(he)理(li)密植。6月(yue)上(shang)中(zhong)(zhong)旬適時(shi)移(yi)栽(zai)(zai)，秧(yang)(yang)(yang)齡30天左(zuo)(zuo)(zuo)右(you)（機插(cha)育秧(yang)(yang)(yang)18~20天），適時(shi)移(yi)栽(zai)(zai)，每(mei)(mei)畝插(cha)足(zu)1.8萬穴左(zuo)(zuo)(zuo)右(you)，基本苗(miao)(miao)(miao)6萬~7萬。3、科學肥(fei)水(shui)管理(li)。根據土壤肥(fei)力、目標產(chan)量(liang)與(yu)氮肥(fei)利用(yong)(yong)率確定氮肥(fei)施(shi)(shi)(shi)用(yong)(yong)量(liang)，大面積畝施(shi)(shi)(shi)純(chun)氮量(liang)15公(gong)斤左(zuo)(zuo)(zuo)右(you)，肥(fei)料運籌上(shang)采取“前(qian)(qian)重(zhong)、中(zhong)(zhong)控、后補”的(de)施(shi)(shi)(shi)肥(fei)原則，并重(zhong)視磷鉀肥(fei)和有機肥(fei)的(de)配(pei)合(he)施(shi)(shi)(shi)用(yong)(yong)。水(shui)漿管理(li)上(shang)注意淺(qian)水(shui)栽(zai)(zai)插(cha)，寸水(shui)活棵，薄水(shui)分(fen)蘗(bo)，當每(mei)(mei)畝莖蘗(bo)苗(miao)(miao)(miao)達夠穗苗(miao)(miao)(miao)時(shi)，及(ji)時(shi)分(fen)次(ci)擱田(tian)(tian)，生(sheng)育后期(qi)(qi)(qi)田(tian)(tian)間干干濕濕，養根保葉、活熟到老，收割前(qian)(qian)一(yi)周(zhou)斷水(shui)。4、病(bing)(bing)蟲害綜合(he)綠色防(fang)(fang)(fang)治(zhi)(zhi)。播(bo)(bo)種(zhong)前(qian)(qian)用(yong)(yong)藥(yao)劑浸種(zhong)防(fang)(fang)(fang)治(zhi)(zhi)惡苗(miao)(miao)(miao)病(bing)(bing)和干尖線蟲病(bing)(bing)。秧(yang)(yang)(yang)田(tian)(tian)期(qi)(qi)(qi)重(zhong)點抓好稻薊(ji)馬、灰飛(fei)虱(shi)的(de)防(fang)(fang)(fang)治(zhi)(zhi)，大田(tian)(tian)期(qi)(qi)(qi)重(zhong)點做好二(er)化螟、大螟、稻縱卷葉螟、稻飛(fei)虱(shi)等蟲害防(fang)(fang)(fang)治(zhi)(zhi)工作，擱田(tian)(tian)前(qian)(qian)后及(ji)時(shi)防(fang)(fang)(fang)治(zhi)(zhi)紋枯(ku)病(bing)(bing)，破口期(qi)(qi)(qi)綜合(he)防(fang)(fang)(fang)治(zhi)(zhi)稻瘟病(bing)(bing)、稻曲病(bing)(bing)等。特別(bie)要注意白葉枯(ku)病(bing)(bing)的(de)防(fang)(fang)(fang)治(zhi)(zhi)。

      審(shen)定意(yi)見：通(tong)過審(shen)定，適(shi)宜在江蘇省中秈稻地(di)區種(zhong)植。