作物種類：水稻

      審定編號：桂審稻2025024號

      品種名稱：華盛優909

      申 請 者：廣西壹加恩農業科技有(you)限公司

      育 種 者：浙江省農(nong)(nong)業科(ke)學院作(zuo)物與(yu)核技術利(li)用研究所、廣西壹(yi)加恩農(nong)(nong)業科(ke)技有限公司、江西先農(nong)(nong)種(zhong)業有限公司

      品種來源：華盛A×R909

      特征特性：感(gan)(gan)溫(wen)型三系(xi)雜(za)交(jiao)水(shui)稻(dao)(dao)(dao)品(pin)(pin)種(zhong)。在桂南種(zhong)植(zhi)，全生(sheng)育(yu)期早稻(dao)(dao)(dao)127.4天(tian)(tian)(tian)，比(bi)對(dui)照(zhao)特優(you)7118長(chang)3.4天(tian)(tian)(tian)；桂南晚稻(dao)(dao)(dao)種(zhong)植(zhi)，全生(sheng)育(yu)期115.6天(tian)(tian)(tian)，比(bi)對(dui)照(zhao)豐(feng)田(tian)優(you)553長(chang)0.6天(tian)(tian)(tian)；桂中(zhong)(zhong)(zhong)北及高(gao)寒山區(qu)中(zhong)(zhong)(zhong)稻(dao)(dao)(dao)種(zhong)植(zhi)，全生(sheng)育(yu)期137.8天(tian)(tian)(tian)，比(bi)對(dui)照(zhao)深兩(liang)優(you)5814長(chang)1.0天(tian)(tian)(tian)。株型適中(zhong)(zhong)(zhong)，長(chang)勢繁茂，分(fen)蘗力中(zhong)(zhong)(zhong)等，著粒(li)中(zhong)(zhong)(zhong)等，葉(xie)(xie)色青綠(lv)，葉(xie)(xie)鞘綠(lv)色，葉(xie)(xie)耳、柱(zhu)頭無色，稃尖桿(gan)黃色；株型較緊湊，葉(xie)(xie)姿直立，半葉(xie)(xie)下禾，熟期轉色好。谷粒(li)長(chang)7.0毫(hao)米(mi)，長(chang)寬(kuan)比(bi)3.7。每畝有效穗(sui)數(shu)(shu)17.0萬，株高(gao)120.3厘米(mi)，穗(sui)長(chang)25.0厘米(mi)，每穗(sui)總粒(li)數(shu)(shu)169.2粒(li)，結實率81.6%，千(qian)粒(li)重27.3克。抗(kang)(kang)(kang)性表現：稻(dao)(dao)(dao)瘟(wen)病抗(kang)(kang)(kang)性綜合指數(shu)(shu)年度(du)(du)間(jian)分(fen)別是(shi)3.0、4.5，穗(sui)瘟(wen)損(sun)失率最(zui)高(gao)級3級；白(bai)(bai)葉(xie)(xie)枯病抗(kang)(kang)(kang)性年度(du)(du)間(jian)分(fen)別是(shi)7級、5級；抗(kang)(kang)(kang)性評價(jia)為中(zhong)(zhong)(zhong)感(gan)(gan)稻(dao)(dao)(dao)瘟(wen)病，感(gan)(gan)白(bai)(bai)葉(xie)(xie)枯病。米(mi)質(zhi)主要指標(2024年早稻(dao)(dao)(dao))：糙(cao)米(mi)率81.0%，整精米(mi)率54.9%，長(chang)寬(kuan)比(bi)3.7，堊(e)白(bai)(bai)粒(li)率6%，堊(e)白(bai)(bai)度(du)(du)1.2%，透明度(du)(du)1級，堿(jian)消值4.3級，膠稠度(du)(du)82毫(hao)米(mi)，直鏈淀(dian)粉含(han)量14.4%，符(fu)合NY/T 593-2021《食用稻(dao)(dao)(dao)品(pin)(pin)種(zhong)品(pin)(pin)質(zhi)》普通(tong)食用長(chang)粒(li)形秈稻(dao)(dao)(dao)品(pin)(pin)種(zhong)品(pin)(pin)質(zhi)規定(ding)要求。

      產量表現：根據廣(guang)西“金稻(dao)田”水稻(dao)聯合體試(shi)(shi)驗(yan)(yan)資料，2023年(nian)參加廣(guang)西桂(gui)南(nan)稻(dao)作區(qu)早稻(dao)遲熟組區(qu)域試(shi)(shi)驗(yan)(yan)初(chu)試(shi)(shi)，平均畝(mu)產(chan)555.17公(gong)(gong)斤，比(bi)對(dui)照(zhao)(zhao)特(te)優(you)7118增產(chan)4.11%；2024年(nian)續(xu)試(shi)(shi)，平均畝(mu)產(chan)521.58公(gong)(gong)斤，比(bi)對(dui)照(zhao)(zhao)特(te)優(you)7118增產(chan)4.35%；兩(liang)年(nian)試(shi)(shi)驗(yan)(yan)平均畝(mu)產(chan)538.38公(gong)(gong)斤，比(bi)對(dui)照(zhao)(zhao)特(te)優(you)7118增產(chan)4.23%。2024年(nian)生產(chan)試(shi)(shi)驗(yan)(yan)，平均畝(mu)產(chan)522.32公(gong)(gong)斤，比(bi)對(dui)照(zhao)(zhao)特(te)優(you)7118增產(chan)4.29%。2024年(nian)自行安排的試(shi)(shi)驗(yan)(yan)結果：桂(gui)南(nan)晚(wan)稻(dao)生產(chan)試(shi)(shi)驗(yan)(yan)，平均畝(mu)產(chan)482.57公(gong)(gong)斤，比(bi)豐田優(you)553增產(chan)5.89%；桂(gui)中(zhong)北及高寒山區(qu)中(zhong)稻(dao)生產(chan)試(shi)(shi)驗(yan)(yan)，平均畝(mu)產(chan)608.75公(gong)(gong)斤，比(bi)深兩(liang)優(you)5814增產(chan)5.80%。

      栽培技術要點：1.適(shi)時播(bo)(bo)種(zhong)，培育壯秧(yang)：播(bo)(bo)種(zhong)期(qi)(qi)安排：桂南早稻(dao)(dao)2月(yue)下旬(xun)(xun)至(zhi)(zhi)3月(yue)上(shang)旬(xun)(xun)播(bo)(bo)種(zhong)為宜(yi)，桂南晚(wan)稻(dao)(dao)7月(yue)上(shang)旬(xun)(xun)播(bo)(bo)種(zhong)，桂中北、高寒山區中稻(dao)(dao)4月(yue)中下旬(xun)(xun)至(zhi)(zhi)5月(yue)上(shang)旬(xun)(xun)播(bo)(bo)種(zhong)，每(mei)(mei)(mei)畝秧(yang)田每(mei)(mei)(mei)畝播(bo)(bo)種(zhong)量15公斤，大田每(mei)(mei)(mei)畝用(yong)種(zhong)量1.5千(qian)克，藥劑浸種(zhong)消毒。2.合理密植，適(shi)時移栽：早稻(dao)(dao)秧(yang)齡(ling)控制25-30天，每(mei)(mei)(mei)畝插（拋）秧(yang)1.8-2.0萬蔸(dou)，拋栽葉(xie)齡(ling)4.5-5.0葉(xie)；插秧(yang)葉(xie)齡(ling)4.0-4.5葉(xie)。3.科學水(shui)肥(fei)(fei)管理：畝施純氮10公斤，氮、磷(lin)、鉀的比例1︰0.6︰1；施足基肥(fei)(fei)，早施重(zhong)施分(fen)蘗肥(fei)(fei)，中后(hou)期(qi)(qi)酌情(qing)施用(yong)穗粒肥(fei)(fei)，一般前期(qi)(qi)施肥(fei)(fei)量占總肥(fei)(fei)量的80%～90%。水(shui)漿管理：宜(yi)淺水(shui)移栽、寸(cun)水(shui)活棵、薄水(shui)促分(fen)蘗，夠(gou)苗曬田，有水(shui)抽穗，濕潤(run)灌漿，后(hou)期(qi)(qi)干濕交(jiao)替。病(bing)蟲(chong)害防(fang)(fang)治：結合肥(fei)(fei)水(shui)管理，根據苗情(qing)和當(dang)時、當(dang)地病(bing)蟲(chong)測報及時用(yong)藥防(fang)(fang)治稻(dao)(dao)瘟(wen)病(bing)、白葉(xie)枯病(bing)、稻(dao)(dao)飛虱及螟蟲(chong)類等主要病(bing)蟲(chong)害。

      審定意見：該品(pin)種(zhong)符合廣西稻品(pin)種(zhong)審(shen)(shen)定(ding)標準，通過審(shen)(shen)定(ding)。可在桂南稻作(zuo)區(qu)(qu)作(zuo)早(zao)、晚稻，桂中(zhong)、桂北稻作(zuo)區(qu)(qu)及高寒山(shan)區(qu)(qu)作(zuo)中(zhong)稻種(zhong)植。注意稻瘟病(bing)、白葉枯(ku)病(bing)等(deng)病(bing)蟲(chong)害的防治。