果(guo)(guo)實扁(bian)平(ping)形,果(guo)(guo)頂凹入,果(guo)(guo)皮底(di)色乳黃,果(guo)(guo)面(mian)著鮮艷紅暈,茸毛中等,皮易(yi)剝離(li),果(guo)(guo)肉乳白(bai)色,近核處微紅,硬溶質,微香,風味(wei)甜,含可(ke)溶性(xing)固形物11.2-13.6%。粘核,核小,裂核少。早(zao)露蟠桃成熟期是(shi)什么時候(hou)?3月(yue)底(di)4月(yue)初始花,6月(yue)中旬成熟。
選(xuan)地勢高爽的田塊(kuai),挖寬1米、深(shen)0.5-0.6米的條溝(gou),條溝(gou)內撒入秸稈、雜(za)草、樹枝等物,每畝不少于1000公斤(jin),等生土凍酥后,填入溝(gou)內,再將(jiang)熟土、過磷酸(suan)鈣(每畝150公斤(jin))、有機(ji)肥(每畝2000公斤(jin))拌勻填入溝(gou)內,灌水沉實。做馬背(bei)式壟,壟中間比兩(liang)端高20厘米左右。春節前后定(ding)植,行株距以5米×4米為好。
第(di)一、二年(nian)萌芽時(shi)每(mei)(mei)(mei)株(zhu)(zhu)(zhu)施尿(niao)素0.25公(gong)(gong)(gong)(gong)斤(jin)(jin),5-6月(yue)(yue)(yue)份每(mei)(mei)(mei)株(zhu)(zhu)(zhu)施復合肥(fei)(fei)0.25公(gong)(gong)(gong)(gong)斤(jin)(jin)、餅肥(fei)(fei)1-1.5公(gong)(gong)(gong)(gong)斤(jin)(jin)。每(mei)(mei)(mei)年(nian)9-10月(yue)(yue)(yue)從定植溝(gou)(gou)向外(wai)逐步深(shen)翻30-40厘(li)米(mi),施入有(you)機肥(fei)(fei)、過磷酸鈣改(gai)良(liang)土壤(rang),一般在(zai)第(di)三(san)年(nian)全園改(gai)良(liang)完成。第(di)三(san)年(nian)花期噴硼肥(fei)(fei)液,5月(yue)(yue)(yue)中(zhong)旬每(mei)(mei)(mei)株(zhu)(zhu)(zhu)追(zhui)(zhui)施0.5公(gong)(gong)(gong)(gong)斤(jin)(jin)硫(liu)酸鉀(jia)復合肥(fei)(fei),5月(yue)(yue)(yue)下旬每(mei)(mei)(mei)株(zhu)(zhu)(zhu)追(zhui)(zhui)施0.5公(gong)(gong)(gong)(gong)斤(jin)(jin)硫(liu)酸鉀(jia)。第(di)四年(nian)起每(mei)(mei)(mei)年(nian)桃樹萌芽時(shi),根據樹勢適當追(zhui)(zhui)施氮肥(fei)(fei),花期繼(ji)續噴硼肥(fei)(fei),5月(yue)(yue)(yue)中(zhong)旬每(mei)(mei)(mei)株(zhu)(zhu)(zhu)追(zhui)(zhui)施1-1.5公(gong)(gong)(gong)(gong)斤(jin)(jin)硫(liu)酸鉀(jia)復合肥(fei)(fei),5月(yue)(yue)(yue)下旬每(mei)(mei)(mei)株(zhu)(zhu)(zhu)追(zhui)(zhui)施1公(gong)(gong)(gong)(gong)斤(jin)(jin)硫(liu)酸鉀(jia),9-10月(yue)(yue)(yue)采用全面撒施深(shen)翻,每(mei)(mei)(mei)畝施有(you)機肥(fei)(fei)1500公(gong)(gong)(gong)(gong)斤(jin)(jin)左右。常年(nian)保持四周圍溝(gou)(gou)深(shen)在(zai)80厘(li)米(mi)以上,田內溝(gou)(gou)深(shen)60厘(li)米(mi),壟(long)溝(gou)(gou)深(shen)40厘(li)米(mi),防止田間(jian)積水。
樹(shu)形采用三主(zhu)(zhu)枝(zhi)(zhi)(zhi)(zhi)(zhi)自(zi)然開(kai)(kai)心(xin)(xin)形,植后剪留(liu)50-60厘米(mi)定干,新(xin)梢長(chang)40厘米(mi)時,選3個(ge)生長(chang)健壯、分布均勻,較開(kai)(kai)張(zhang)的(de)新(xin)梢作主(zhu)(zhu)枝(zhi)(zhi)(zhi)(zhi)(zhi)。其余枝(zhi)(zhi)(zhi)(zhi)(zhi)條長(chang)40厘米(mi)時留(liu)25厘米(mi)重(zhong)摘心(xin)(xin)促發二(er)次枝(zhi)(zhi)(zhi)(zhi)(zhi),采用撐、拉(la)的(de)方法調整主(zhu)(zhu)枝(zhi)(zhi)(zhi)(zhi)(zhi)角(jiao)度(du)和方向(xiang),使主(zhu)(zhu)枝(zhi)(zhi)(zhi)(zhi)(zhi)夾角(jiao)為120度(du),開(kai)(kai)張(zhang)角(jiao)度(du)45度(du)左(zuo)右。夏剪及(ji)時疏去背(bei)上(shang)枝(zhi)(zhi)(zhi)(zhi)(zhi),冬季剪去主(zhu)(zhu)枝(zhi)(zhi)(zhi)(zhi)(zhi)延長(chang)枝(zhi)(zhi)(zhi)(zhi)(zhi)的(de)1/3-1/2。第二(er)、三年,在主(zhu)(zhu)枝(zhi)(zhi)(zhi)(zhi)(zhi)上(shang)每隔(ge)60厘米(mi)配(pei)備(bei)側枝(zhi)(zhi)(zhi)(zhi)(zhi),全樹(shu)共配(pei)備(bei)6-9個(ge)。重(zhong)剪主(zhu)(zhu)枝(zhi)(zhi)(zhi)(zhi)(zhi),輕(qing)剪側枝(zhi)(zhi)(zhi)(zhi)(zhi),調節側枝(zhi)(zhi)(zhi)(zhi)(zhi)生長(chang)勢(shi),使開(kai)(kai)張(zhang)角(jiao)度(du)在60-80度(du)。初果(guo)期,冬季修剪以疏為主(zhu)(zhu);進入盛果(guo)期后,加強結(jie)果(guo)枝(zhi)(zhi)(zhi)(zhi)(zhi)組的(de)培養(yang),采用雙枝(zhi)(zhi)(zhi)(zhi)(zhi)更新(xin)或(huo)單枝(zhi)(zhi)(zhi)(zhi)(zhi)更新(xin)法復壯果(guo)枝(zhi)(zhi)(zhi)(zhi)(zhi),以控制結(jie)果(guo)部位外移。
3月份花(hua)芽膨大后,用(yong)竹片刮去枝(zhi)背上的花(hua)芽。花(hua)后15天和(he)30天分(fen)兩次疏(shu)去黃萎果(guo)、小果(guo)、畸形果(guo)等,保留枝(zhi)條中上部生長均勻的好果(guo)。樹冠外圍和(he)上部多(duo)留,內膛和(he)下部少留,盛果(guo)期樹每株留果(guo)400-500只。
芽萌動后(hou)展葉(xie)前(qian)噴1遍(bian)1:1:100倍(bei)(bei)等(deng)量(liang)式波(bo)爾多液。展葉(xie)后(hou)噴1遍(bian)吡(bi)蟲(chong)啉防治蚜(ya)(ya)蟲(chong)。花(hua)后(hou)至采收前(qian)15天,每隔10天左右(you)交替使用(yong)70%甲基托布(bu)津可濕性粉(fen)劑800倍(bei)(bei)液、硫(liu)酸鏈(lian)霉素4000倍(bei)(bei)液等(deng)防治細菌性穿孔病、炭疽病、褐腐病等(deng)病害(hai);用(yong)菊酯類殺蟲(chong)劑、樂斯本(ben)、吡(bi)蟲(chong)啉、噠螨靈防治食心蟲(chong)、蚜(ya)(ya)蟲(chong)、蚧殼蟲(chong)、螨類等(deng)。及時(shi)清理桃園內的爛果、枯枝、落葉(xie)、雜草(cao),降低病蟲(chong)基數,冬季修(xiu)剪后(hou),周到細致地噴1次5波(bo)美(mei)度石硫(liu)合劑。
第(di)二年7月(yue)下(xia)旬(xun)選晴天傍(bang)晚噴15%多(duo)效(xiao)唑(zuo)300倍(bei)(bei)液(ye),間隔20天左右再噴1次。第(di)三年早春萌芽前后每(mei)株使(shi)用多(duo)效(xiao)唑(zuo)10克左右。第(di)四年起每(mei)年在春梢(shao)長度不到(dao)20厘米時根據樹(shu)勢(shi)噴15%多(duo)效(xiao)唑(zuo)300-500倍(bei)(bei)液(ye)。
張(zhang)家港市在1999年冬從(cong)北京(jing)引進(jin)該品種種苗2000株,經過6年的栽培(pei)試(shi)驗,該品種表現為樹勢中庸(yong)、樹姿開張(zhang)、復花(hua)芽居多,花(hua)粉量多,極豐產(chan)。3年生樹平均(jun)(jun)畝產(chan)量可(ke)達750公斤,盛產(chan)期畝產(chan)量可(ke)達2000公斤以上,為確保果大質優,畝產(chan)量宜(yi)控(kong)制在1500公斤左右。平均(jun)(jun)單果重120克,最大單果重237克,2003-2005年市場批發價都在4-7元/公斤。而(er)且無需套袋,管理省(sheng)力,抗性強。