果(guo)實扁平形(xing),果(guo)頂凹入,果(guo)皮底色(se)乳黃,果(guo)面著鮮艷紅暈,茸毛中等,皮易剝(bo)離,果(guo)肉(rou)乳白色(se),近(jin)核(he)處(chu)微(wei)紅,硬(ying)溶質,微(wei)香,風(feng)味甜,含(han)可溶性固形(xing)物11.2-13.6%。粘核(he),核(he)小,裂核(he)少。早露蟠桃成熟期(qi)是什么時(shi)候?3月(yue)底4月(yue)初始花,6月(yue)中旬成熟。
選地勢高爽的田塊,挖寬1米(mi)(mi)(mi)、深0.5-0.6米(mi)(mi)(mi)的條(tiao)溝(gou),條(tiao)溝(gou)內撒入(ru)秸稈、雜草、樹枝(zhi)等物,每(mei)畝(mu)(mu)不(bu)少于1000公(gong)斤(jin),等生(sheng)土凍酥后,填(tian)入(ru)溝(gou)內,再將熟土、過(guo)磷(lin)酸鈣(每(mei)畝(mu)(mu)150公(gong)斤(jin))、有機肥(每(mei)畝(mu)(mu)2000公(gong)斤(jin))拌勻(yun)填(tian)入(ru)溝(gou)內,灌(guan)水沉實(shi)。做(zuo)馬(ma)背式壟(long)(long),壟(long)(long)中間比兩(liang)端高20厘米(mi)(mi)(mi)左右。春節前后定植,行株距以5米(mi)(mi)(mi)×4米(mi)(mi)(mi)為好。
第(di)一(yi)、二(er)年萌芽時每株施(shi)(shi)(shi)尿(niao)素0.25公(gong)斤(jin)(jin)(jin),5-6月(yue)(yue)份每株施(shi)(shi)(shi)復合肥(fei)0.25公(gong)斤(jin)(jin)(jin)、餅肥(fei)1-1.5公(gong)斤(jin)(jin)(jin)。每年9-10月(yue)(yue)從(cong)定植溝(gou)(gou)向外逐步(bu)深翻(fan)30-40厘(li)米(mi),施(shi)(shi)(shi)入有(you)機肥(fei)、過磷酸(suan)(suan)鈣改良(liang)土壤,一(yi)般(ban)在第(di)三(san)年全(quan)園(yuan)改良(liang)完成。第(di)三(san)年花(hua)期(qi)噴(pen)硼肥(fei)液,5月(yue)(yue)中旬每株追施(shi)(shi)(shi)0.5公(gong)斤(jin)(jin)(jin)硫(liu)酸(suan)(suan)鉀(jia)復合肥(fei),5月(yue)(yue)下旬每株追施(shi)(shi)(shi)0.5公(gong)斤(jin)(jin)(jin)硫(liu)酸(suan)(suan)鉀(jia)。第(di)四(si)年起每年桃樹(shu)萌芽時,根據樹(shu)勢適當追施(shi)(shi)(shi)氮肥(fei),花(hua)期(qi)繼續噴(pen)硼肥(fei),5月(yue)(yue)中旬每株追施(shi)(shi)(shi)1-1.5公(gong)斤(jin)(jin)(jin)硫(liu)酸(suan)(suan)鉀(jia)復合肥(fei),5月(yue)(yue)下旬每株追施(shi)(shi)(shi)1公(gong)斤(jin)(jin)(jin)硫(liu)酸(suan)(suan)鉀(jia),9-10月(yue)(yue)采用全(quan)面(mian)撒(sa)施(shi)(shi)(shi)深翻(fan),每畝施(shi)(shi)(shi)有(you)機肥(fei)1500公(gong)斤(jin)(jin)(jin)左右(you)。常年保持四(si)周圍溝(gou)(gou)深在80厘(li)米(mi)以(yi)上,田內溝(gou)(gou)深60厘(li)米(mi),壟溝(gou)(gou)深40厘(li)米(mi),防止(zhi)田間(jian)積水(shui)。
樹(shu)形采用(yong)三主枝(zhi)(zhi)(zhi)(zhi)(zhi)自然開(kai)心形,植(zhi)后(hou)剪(jian)(jian)(jian)(jian)留50-60厘(li)米定干,新(xin)梢長40厘(li)米時(shi),選3個生長健壯、分布均(jun)勻,較開(kai)張的(de)新(xin)梢作(zuo)主枝(zhi)(zhi)(zhi)(zhi)(zhi)。其余枝(zhi)(zhi)(zhi)(zhi)(zhi)條長40厘(li)米時(shi)留25厘(li)米重摘(zhai)心促(cu)發二(er)次枝(zhi)(zhi)(zhi)(zhi)(zhi),采用(yong)撐(cheng)、拉的(de)方法調整主枝(zhi)(zhi)(zhi)(zhi)(zhi)角度和方向,使主枝(zhi)(zhi)(zhi)(zhi)(zhi)夾(jia)角為(wei)120度,開(kai)張角度45度左(zuo)右。夏剪(jian)(jian)(jian)(jian)及時(shi)疏去(qu)背上(shang)枝(zhi)(zhi)(zhi)(zhi)(zhi),冬季剪(jian)(jian)(jian)(jian)去(qu)主枝(zhi)(zhi)(zhi)(zhi)(zhi)延(yan)長枝(zhi)(zhi)(zhi)(zhi)(zhi)的(de)1/3-1/2。第二(er)、三年,在(zai)主枝(zhi)(zhi)(zhi)(zhi)(zhi)上(shang)每隔(ge)60厘(li)米配(pei)備側枝(zhi)(zhi)(zhi)(zhi)(zhi),全(quan)樹(shu)共(gong)配(pei)備6-9個。重剪(jian)(jian)(jian)(jian)主枝(zhi)(zhi)(zhi)(zhi)(zhi),輕剪(jian)(jian)(jian)(jian)側枝(zhi)(zhi)(zhi)(zhi)(zhi),調節側枝(zhi)(zhi)(zhi)(zhi)(zhi)生長勢(shi),使開(kai)張角度在(zai)60-80度。初果期(qi),冬季修剪(jian)(jian)(jian)(jian)以(yi)疏為(wei)主;進入盛果期(qi)后(hou),加(jia)強結果枝(zhi)(zhi)(zhi)(zhi)(zhi)組(zu)的(de)培(pei)養(yang),采用(yong)雙枝(zhi)(zhi)(zhi)(zhi)(zhi)更新(xin)或單枝(zhi)(zhi)(zhi)(zhi)(zhi)更新(xin)法復壯果枝(zhi)(zhi)(zhi)(zhi)(zhi),以(yi)控制(zhi)結果部(bu)位外移。
3月份花芽(ya)膨大后,用竹片刮去(qu)枝背(bei)上的花芽(ya)。花后15天和30天分兩(liang)次疏去(qu)黃萎(wei)果(guo)、小果(guo)、畸形果(guo)等,保留(liu)(liu)枝條中(zhong)上部(bu)生長均勻的好(hao)果(guo)。樹(shu)冠外圍(wei)和上部(bu)多(duo)留(liu)(liu),內膛和下部(bu)少(shao)留(liu)(liu),盛果(guo)期樹(shu)每株留(liu)(liu)果(guo)400-500只。
芽萌動(dong)后(hou)展(zhan)(zhan)葉前噴(pen)1遍1:1:100倍(bei)(bei)等(deng)(deng)量式波爾多液。展(zhan)(zhan)葉后(hou)噴(pen)1遍吡蟲(chong)(chong)(chong)啉防(fang)治蚜(ya)蟲(chong)(chong)(chong)。花后(hou)至(zhi)采收前15天(tian)(tian),每隔10天(tian)(tian)左右交替使用(yong)70%甲基托(tuo)布(bu)津可濕性粉劑(ji)800倍(bei)(bei)液、硫酸鏈霉素(su)4000倍(bei)(bei)液等(deng)(deng)防(fang)治細(xi)菌性穿孔病(bing)、炭疽(ju)病(bing)、褐(he)腐病(bing)等(deng)(deng)病(bing)害;用(yong)菊酯類(lei)殺蟲(chong)(chong)(chong)劑(ji)、樂斯本、吡蟲(chong)(chong)(chong)啉、噠螨靈防(fang)治食(shi)心蟲(chong)(chong)(chong)、蚜(ya)蟲(chong)(chong)(chong)、蚧殼蟲(chong)(chong)(chong)、螨類(lei)等(deng)(deng)。及時(shi)清理桃園(yuan)內(nei)的爛果、枯枝(zhi)、落葉、雜草,降低病(bing)蟲(chong)(chong)(chong)基數,冬季(ji)修剪后(hou),周到細(xi)致地噴(pen)1次5波美度石硫合劑(ji)。
第(di)二年(nian)(nian)7月下旬(xun)選(xuan)晴天(tian)傍(bang)晚噴15%多(duo)效唑(zuo)300倍液,間隔20天(tian)左右再噴1次。第(di)三年(nian)(nian)早春萌(meng)芽前后每株(zhu)使用多(duo)效唑(zuo)10克左右。第(di)四年(nian)(nian)起每年(nian)(nian)在春梢(shao)長度不到20厘(li)米時根據(ju)樹勢噴15%多(duo)效唑(zuo)300-500倍液。
張(zhang)家港市(shi)在1999年冬從(cong)北京(jing)引(yin)進該品種種苗2000株(zhu),經過(guo)6年的(de)栽培試驗(yan),該品種表現為樹(shu)勢中庸、樹(shu)姿(zi)開張(zhang)、復花(hua)芽居多,花(hua)粉量(liang)多,極豐產(chan)。3年生樹(shu)平均(jun)畝(mu)產(chan)量(liang)可(ke)達750公(gong)斤,盛產(chan)期畝(mu)產(chan)量(liang)可(ke)達2000公(gong)斤以上,為確保果大質(zhi)優,畝(mu)產(chan)量(liang)宜控制在1500公(gong)斤左右(you)。平均(jun)單果重(zhong)120克(ke),最大單果重(zhong)237克(ke),2003-2005年市(shi)場批發價都在4-7元/公(gong)斤。而且(qie)無(wu)需套袋,管(guan)理(li)省力,抗性(xing)強(qiang)。