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1、園藝學(xué)報(bào),2015,42(5):1011–1012.ActaHorticulturaeSinicadoi:10.16420/j.issn.0513-353x.2014-0550;http://www.ahs.ac.cn1011西瓜新品種‘西抗4號(hào)’1,*11112朱宏華,劉海衡,李銅,鄧軍均,盧于絨,胡會(huì)英12(西安市農(nóng)業(yè)技術(shù)推廣中心,西安市農(nóng)業(yè)科學(xué)研究所,西安710061;長(zhǎng)安區(qū)農(nóng)業(yè)技術(shù)推廣中心,西安710100)摘要:‘西抗4號(hào)’為中早熟優(yōu)質(zhì)高產(chǎn)耐裂西瓜雜交一代品種。果實(shí)圓形,果皮綠色,上覆墨綠色中條
2、帶,有蠟粉。果皮厚約1.2cm左右,韌性好,耐裂,耐貯運(yùn)。單瓜質(zhì)量6.5kg左右,果肉紅色,肉質(zhì)細(xì)嫩無(wú)渣,汁多纖維少,口感佳,甜度高,中心遮光糖含量12%,中邊糖梯度小。全生育期約96d,-2果實(shí)成熟期約30d。產(chǎn)量48.743t·hm。適宜陜西省關(guān)中地區(qū)早春保護(hù)地栽培。關(guān)鍵詞:西瓜;中早熟;耐裂;品種中圖分類(lèi)號(hào):S651文獻(xiàn)標(biāo)志碼:B文章編號(hào):0513-353X(2015)05-1011-02ANewWatermelonCultivar‘Xikang4’1,*11112ZHUHong-hua,LIUHa
3、i-heng,LITong,DENGJun-jun,LUYu-rong,andHUHui-ying1(Xi’anAgriculturalTechnologySpreadingCenter,InstituteofAgricultruralScienceofXi’an,Xi’an710061,China;2Chang’anAgriculturalTechnologySpreadingCenter,Xi’an710100,China)Abstract:‘Xikang4’isanewmid-earlymaturi
4、ngwatermelonF1hybridcultivarwithsuperiorquality,highyield,anti-cracking.Thefruitissphericalinshapeandtheskinisemeraldgreenwithgreenishblackstripesonthesurfacewhichwascoveredwithwaxpowder.Thepericarpthicknessisabout1.2cm,anditisgoodtoughness.So,thefruitisa
5、daptedforstorageandlongdistancetransportation.Thefleshisredandfinesandy,juicybutlessfiber,andthecentersugarcontentisabout12%withlittledifferentiationfromtheedge.Theaverageweightofsinglefruitisabout6.5kgandtheyieldisabout-248.743t·hm.Thewholegrowthperiodis
6、about96daysandthefruitdevelopmentperiodisaround30days.ItissuitablefortheearlyspringprotectedcultivationinGuanzhongareaofShaanxiProvince.Keywords:watermelon;mid-earlymaturing;anti-cracking;cultivar近些年陜西省設(shè)施栽培面積較大的西瓜品種是‘京欣2號(hào)’,其突出優(yōu)點(diǎn)是品質(zhì)好,但貯運(yùn)性一般(馬建祥等,2013)。本課題育
7、種目標(biāo)是選育耐貯運(yùn)且品質(zhì)優(yōu)于‘京欣2號(hào)’的新品種。2009年春配制雜交組合C38×C21,代號(hào)為11-16。母本C38是由京欣系列西瓜品種中選育的自交系,經(jīng)多代提純復(fù)壯選育而成,表現(xiàn)為皮色翠綠,果肉大紅,含糖量高,綜合品質(zhì)好。父本C21是用早熟花皮西瓜材料中的圓果形自交系(由東北‘地雷瓜’選育而來(lái))與橢圓果形自交系(由臺(tái)灣‘新紅寶’選育而來(lái))雜交,經(jīng)7代自交分離系統(tǒng)選擇,并在抗病鑒定及篩選的基礎(chǔ)上選出的耐裂性強(qiáng),抗逆性好,果肉粉紅的優(yōu)良自交系。該組合在品比試驗(yàn)中綜合性狀表現(xiàn)最好,符合育種目收稿日期:201
8、4–10–28;修回日期:2015–02–10基金項(xiàng)目:西安市科技創(chuàng)新支撐計(jì)劃——新農(nóng)村建設(shè)促進(jìn)工程[NC1116(7)]*E-mail:zhuhonghua1281@sohu.comZhuHong-hua,LiuHai-heng,LiTong,DengJun-jun,LuYu-rong,HuHui-ying.Anewwatermeloncultivar‘Xikang4’.1012ActaHorticulturaeSinica