審定編號：粵審菜2011006

選育單位：汕頭市白沙蔬(shu)菜原種(zhong)研究所

品種來源：澄海盛洲絲瓜(gua)SZ99-3-8/廣州(zhou)夏絲瓜(gua)GZ00-2-8

特征特性(xing)(xing)：絲瓜(gua)(gua)雜交一代(dai)品(pin)種(zhong)。植株(zhu)生(sheng)長(chang)勢和(he)分(fen)枝性(xing)(xing)強，葉片深綠色。從(cong)播種(zhong)至始收秋季38天(tian)，延續(xu)采收期41～43天(tian)，全(quan)生(sheng)育期79～81天(tian)。第一朵雌花著生(sheng)節位15.9～17.3節，第一個(ge)瓜(gua)(gua)座瓜(gua)(gua)節位17.3～18.5節。瓜(gua)(gua)呈棍棒形，瓜(gua)(gua)色綠白。瓜(gua)(gua)長(chang)41.1～43.0厘米、橫徑4.77～4.7厘米，單瓜(gua)(gua)重323.4～339.6克(ke)。。瓜(gua)(gua)外皮花斑少(shao)，棱(leng)溝(gou)淺，棱(leng)色綠。肉質(zhi)脆，風味微甜，感觀品(pin)質(zhi)現(xian)場鑒定為(wei)良，品(pin)質(zhi)分(fen)81分(fen)，商品(pin)率91.77%~92.36%。理化品(pin)質(zhi)檢測(ce)結果：粗蛋白含量為(wei)0.74克(ke)/100克(ke)，維生(sheng)素C含量215.3毫克(ke)/公斤，可溶性(xing)(xing)固形物3.5克(ke)/100克(ke)，粗纖維0.7克(ke)/100克(ke)。抗病(bing)(bing)性(xing)(xing)鑒定結果為(wei)抗霜(shuang)霉病(bing)(bing)，中抗枯萎病(bing)(bing)。田間(jian)表現(xian)耐(nai)熱性(xing)(xing)、耐(nai)澇性(xing)(xing)和(he)耐(nai)旱性(xing)(xing)均為(wei)強，耐(nai)寒性(xing)(xing)中等(deng)。

產(chan)(chan)量表(biao)現：2007年秋季(ji)初試(shi)，平(ping)(ping)均(jun)畝(mu)總(zong)產(chan)(chan)量為2018.18公(gong)斤，比對照(zhao)種(zhong)綠勝(sheng)2號增(zeng)(zeng)(zeng)(zeng)(zeng)產(chan)(chan)20.87%，增(zeng)(zeng)(zeng)(zeng)(zeng)產(chan)(chan)極(ji)顯(xian)著(zhu)；前(qian)期(qi)平(ping)(ping)均(jun)畝(mu)產(chan)(chan)量為854.76公(gong)斤，比對照(zhao)種(zhong)增(zeng)(zeng)(zeng)(zeng)(zeng)產(chan)(chan)50.78%，增(zeng)(zeng)(zeng)(zeng)(zeng)產(chan)(chan)極(ji)顯(xian)著(zhu)。2009年秋季(ji)復(fu)試(shi)，平(ping)(ping)均(jun)畝(mu)總(zong)產(chan)(chan)量為2575.94公(gong)斤，比對照(zhao)種(zhong)雅綠二號增(zeng)(zeng)(zeng)(zeng)(zeng)產(chan)(chan)22.86%，增(zeng)(zeng)(zeng)(zeng)(zeng)產(chan)(chan)極(ji)顯(xian)著(zhu)；平(ping)(ping)均(jun)畝(mu)前(qian)期(qi)產(chan)(chan)量為790.23公(gong)斤，比對照(zhao)種(zhong)增(zeng)(zeng)(zeng)(zeng)(zeng)產(chan)(chan)23.41%，增(zeng)(zeng)(zeng)(zeng)(zeng)產(chan)(chan)極(ji)顯(xian)著(zhu)。

栽(zai)培技(ji)術要點：⑴潮汕(shan)地(di)區適播期7～8月(yue)；⑵搭“人”字形(xing)架，及(ji)時、均勻引蔓上架，并摘除基部子蔓和病葉、老葉。

省(sheng)品審(shen)會審(shen)定(ding)(ding)(ding)意見：夏優4號絲瓜為(wei)雜交一代品種(zhong)(zhong)。從播種(zhong)(zhong)至始收秋(qiu)季38天(tian)，豐(feng)產性(xing)(xing)好，品質較(jiao)優，抗霜霉(mei)病，中抗枯(ku)萎病，耐(nai)熱性(xing)(xing)、耐(nai)澇性(xing)(xing)和耐(nai)旱性(xing)(xing)均為(wei)強，耐(nai)寒性(xing)(xing)中等。適宜我省(sheng)粵東絲瓜產區秋(qiu)季種(zhong)(zhong)植。符(fu)合廣東省(sheng)農(nong)作物(wu)品種(zhong)(zhong)審(shen)定(ding)(ding)(ding)標準(zhun)，審(shen)定(ding)(ding)(ding)通過。