一.產品介紹
桃(tao)(tao)(tao)常(chang)被作為(wei)(wei)(wei)福壽(shou)吉(ji)祥的(de)(de)(de)象征(zheng),人(ren)們認為(wei)(wei)(wei)桃(tao)(tao)(tao)子(zi)是(shi)仙家(jia)(jia)的(de)(de)(de)果實(shi),吃了(le)(le)(le)(le)可以長(chang)壽(shou),故對桃(tao)(tao)(tao)格外青睞。桃(tao)(tao)(tao)又有(you)(you)仙桃(tao)(tao)(tao)、壽(shou)桃(tao)(tao)(tao)的(de)(de)(de)美稱(cheng)。《臨(lin)汾(fen)縣志》(民(min)(min)國(guo)(guo)癸酉年(nian)種(zhong)植(zhi)(zhi))上就有(you)(you)桃(tao)(tao)(tao)的(de)(de)(de)記(ji)載,說明桃(tao)(tao)(tao)在(zai)當地(di)(di)(di)(di)有(you)(you)長(chang)久的(de)(de)(de)栽培歷史。新版本的(de)(de)(de)《臨(lin)汾(fen)市志》也記(ji)載:“邑人(ren)素(su)有(you)(you)利用房、路、渠(qu)、河等(deng)(deng)零星地(di)(di)(di)(di)植(zhi)(zhi)樹(shu)(shu)(shu)(shu)的(de)(de)(de)習(xi)慣,民(min)(min)國(guo)(guo)8年(nian)(1919),在(zai)縣城西(xi)門(men)外汾(fen)河灘(tan)栽植(zhi)(zhi)榆樹(shu)(shu)(shu)(shu)、柳(liu)樹(shu)(shu)(shu)(shu)百(bai)余(yu)畝。民(min)(min)國(guo)(guo)22年(nian)在(zai)澇河渠(qu)河道(dao)綠(lv)化(hua)(hua),柳(liu)樹(shu)(shu)(shu)(shu)、桃(tao)(tao)(tao)樹(shu)(shu)(shu)(shu)相間(jian)成(cheng)行”。從(cong)2004年(nian)開始“臨(lin)汾(fen)堯(yao)(yao)都(dou)鄉村風(feng)情(qing)桃(tao)(tao)(tao)花會”連續八年(nian)在(zai)當地(di)(di)(di)(di)召開,通過桃(tao)(tao)(tao)花會,搭(da)建了(le)(le)(le)(le)農(nong)產(chan)品(pin)(pin)宣傳(chuan)平(ping)臺,提升了(le)(le)(le)(le)農(nong)產(chan)品(pin)(pin)品(pin)(pin)牌(pai)效(xiao)(xiao)應,顯著(zhu)增加(jia)了(le)(le)(le)(le)農(nong)民(min)(min)收入。改(gai)革開放(fang)以來,賀家(jia)(jia)莊鮮(xian)(xian)桃(tao)(tao)(tao)產(chan)業(ye)(ye)有(you)(you)了(le)(le)(le)(le)較(jiao)快(kuai)的(de)(de)(de)發展,形成(cheng)了(le)(le)(le)(le)當地(di)(di)(di)(di)農(nong)民(min)(min)致(zhi)富的(de)(de)(de)一(yi)(yi)(yi)項重要(yao)產(chan)業(ye)(ye) 。一(yi)(yi)(yi)是(shi)種(zhong)植(zhi)(zhi)模式發生變(bian)化(hua)(hua)。從(cong)一(yi)(yi)(yi)家(jia)(jia)一(yi)(yi)(yi)戶種(zhong)植(zhi)(zhi)發展為(wei)(wei)(wei)規模化(hua)(hua)的(de)(de)(de)種(zhong)植(zhi)(zhi),實(shi)施集約(yue)化(hua)(hua)經(jing)營,提高了(le)(le)(le)(le)產(chan)出效(xiao)(xiao)益。二(er)是(shi)品(pin)(pin)質進一(yi)(yi)(yi)步提高。不斷引(yin)(yin)進外地(di)(di)(di)(di)的(de)(de)(de)新品(pin)(pin)種(zhong),加(jia)快(kuai)改(gai)良馴(xun)化(hua)(hua),使品(pin)(pin)質得到普遍提高。三是(shi)形成(cheng)了(le)(le)(le)(le)區(qu)(qu)域發展的(de)(de)(de)趨勢。堯(yao)(yao)都(dou)區(qu)(qu)政府大力支持(chi)這(zhe)一(yi)(yi)(yi)優勢產(chan)業(ye)(ye),規劃建設了(le)(le)(le)(le)以東(dong)部丘陵山區(qu)(qu)為(wei)(wei)(wei)主(zhu)的(de)(de)(de)10公里桃(tao)(tao)(tao)樹(shu)(shu)(shu)(shu)綠(lv)色(se)長(chang)廊。四是(shi)推(tui)進了(le)(le)(le)(le)產(chan)業(ye)(ye)化(hua)(hua)經(jing)營,引(yin)(yin)進了(le)(le)(le)(le)貯藏保(bao)鮮(xian)(xian)等(deng)(deng)技術,延長(chang)了(le)(le)(le)(le)鮮(xian)(xian)桃(tao)(tao)(tao)的(de)(de)(de)供應期(qi),鮮(xian)(xian)桃(tao)(tao)(tao)經(jing)過保(bao)存(cun),可周年(nian)上市。五(wu)是(shi)加(jia)強了(le)(le)(le)(le)品(pin)(pin)牌(pai)效(xiao)(xiao)應,以賀家(jia)(jia)莊“風(feng)情(qing)桃(tao)(tao)(tao)花會”為(wei)(wei)(wei)代(dai)表(biao),連續舉辦三月時節的(de)(de)(de)桃(tao)(tao)(tao)花會和(he)金秋時節的(de)(de)(de)果實(shi)采摘節,使堯(yao)(yao)都(dou)鮮(xian)(xian)桃(tao)(tao)(tao)聲譽傳(chuan)播三晉大地(di)(di)(di)(di)。目前(qian),賀家(jia)(jia)莊鄉已成(cheng)為(wei)(wei)(wei)山西(xi)南部優質鮮(xian)(xian)桃(tao)(tao)(tao)的(de)(de)(de)主(zhu)要(yao)產(chan)地(di)(di)(di)(di)之一(yi)(yi)(yi)。
二.自然生(sheng)態環(huan)境和人文歷史因素
該(gai)區(qu)域(yu)屬干旱、半干旱大(da)(da)陸性(xing)氣候區(qu), 氣候溫(wen)和,晝夜溫(wen)差(cha)大(da)(da),年(nian)(nian)平(ping)(ping)均氣溫(wen)12.1℃,氣溫(wen)年(nian)(nian)較差(cha)30.1 ℃,年(nian)(nian)平(ping)(ping)均日(ri)照>2466.7小(xiao)時,年(nian)(nian)平(ping)(ping)均日(ri)無霜期(qi)160-200天,最(zui)(zui)大(da)(da)凍(dong)土(tu)(tu)深度56厘米,年(nian)(nian)平(ping)(ping)均降(jiang)水(shui)量(liang)488mm,降(jiang)雨(yu)量(liang)集中在(zai)7、8、9三個月內,約(yue)占全(quan)年(nian)(nian)降(jiang)水(shui)量(liang)的(de)70%,降(jiang)水(shui)為(wei)地(di)表水(shui)的(de)主要來源(yuan),徑流量(liang)季節(jie)變化大(da)(da),過境水(shui)的(de)利用量(liang)較小(xiao),地(di)下水(shui)資源(yuan)比較豐富。區(qu)域(yu)內土(tu)(tu)壤類(lei)型(xing)為(wei)褐土(tu)(tu)性(xing)土(tu)(tu),黃(huang)土(tu)(tu)母質(zhi),土(tu)(tu)壤肥沃,PH值(zhi)在(zai)8.23~8.25之間,排(pai)灌(guan)條件良(liang)好(hao)(hao)。這種土(tu)(tu)質(zhi)有機質(zhi)養分較高(gao),保水(shui)保肥性(xing)能(neng)好(hao)(hao),宜植性(xing)廣(guang),加上當地(di)群眾(zhong)素有使(shi)用農家肥作(zuo)(zuo)底肥的(de)耕作(zuo)(zuo)習慣(guan),所(suo)以該(gai)區(qu)域(yu)是生(sheng)產優質(zhi)桃的(de)最(zui)(zui)佳(jia)區(qu)域(yu)。獨特的(de)氣候條件和高(gao)海拔的(de)地(di)形,決(jue)定(ding)了該(gai)區(qu)域(yu)所(suo)生(sheng)產的(de)鮮桃具有果(guo)實個大(da)(da),色澤鮮艷、甜度高(gao),口(kou)味極佳(jia)的(de)特點。
三.地域范圍
臨汾市堯都區(qu)臥源種植(zhi)專業合作(zuo)社位(wei)于堯都區(qu)大陽鎮、縣底鎮、賈得鄉的(de)(de)丘陵(ling)(ling)區(qu)域(yu)和(he)賀家莊鄉的(de)(de)14個(ge)村委會,東(dong)到(dao)賀家莊鄉浮峪河村,南到(dao)蘇寨村,西(xi)到(dao)賈得鄉大蘇村,北(bei)到(dao)大陽鎮李莊村,地(di)理坐標(biao)為東(dong)經111°34′52"--111°43′58",北(bei)緯35°54′29"--36°01′53" 之間(jian)。該(gai)項(xiang)目區(qu)受臥虎山及山頂山隆(long)起的(de)(de)影響,最高(gao)海拔1200米,最低海拔700米,地(di)貌呈緩坡丘陵(ling)(ling)狀,地(di)形總體為東(dong)南高(gao)、西(xi)北(bei)低,呈階梯狀,地(di)塊較小。該(gai)區(qu)域(yu)內無工礦企業污染,常年種植(zhi)鮮桃800公(gong)頃,年產量30560噸(dun)左右(you)。
四.產(chan)品品質特性特征
1.外在感官特征(zheng):賀(he)家莊鮮(xian)桃果(guo)實特大,平(ping)均單果(guo)重400克,最大單果(guo)重1200克,色澤(ze)鮮(xian)艷,果(guo)肉乳白,質硬(ying)脆嫩(nen),甜度高,口味極佳,半離核,果(guo)面光潔,極少茸(rong)毛,屬超晚熟品種,且(qie)適應性(xing)強,抗旱,耐瘠薄,耐儲運和保存。(氣調(diao)庫(ku)條件下可保存2-3月)
2.內在品質指標(biao):成(cheng)熟期在9月下(xia)旬至11月上旬,這時只(zhi)有(you)賀(he)家莊(zhuang)鮮桃一枝(zhi)獨秀,鮮美(mei)誘人,成(cheng)為珍稀佳品,老少皆宜(yi),長期食(shi)用可(ke)健脾、舒(shu)胃(wei),美(mei)容養顏、延年益壽。其營養成(cheng)分(fen)規(gui)定如下(xia):果(guo)實(shi)中(zhong)可(ke)溶性固形物(wu)≥11.0%,總膳食(shi)纖維(wei)≥13%,鐵≥0.5mg/100g,鉀≥150mg/100g,磷≥12mg/100g,維(wei)生(sheng)(sheng)素C≥35mg/100g,維(wei)生(sheng)(sheng)素B1≥10μg/100g、維(wei)生(sheng)(sheng)素B2≥80μg/100g,此外,還含有(you)蛋白質、脂肪等。果(guo)核很小,可(ke)食(shi)率(lv)占97.3%。
3.安(an)全要(yao)(yao)求:大氣、灌溉水、地(di)面水、產(chan)品執行標:GB3095-1996大氣質(zhi)(zhi)量(liang)標準(zhun)(zhun)(zhun) 、GB5084-1992農田灌溉水質(zhi)(zhi)標準(zhun)(zhun)(zhun) 、GB3838-1988國家地(di)面水質(zhi)(zhi)量(liang)標準(zhun)(zhun)(zhun) NY5322—2006無公害(hai)食品仁果類要(yao)(yao)求。以上標準(zhun)(zhun)(zhun)的(de)條(tiao)文(wen),在參照(zhao)標準(zhun)(zhun)(zhun)未(wei)被(bei)修訂的(de)情況(kuang)下(xia)使用(yong),若修訂按最新國家標準(zhun)(zhun)(zhun)執行。在生(sheng)產(chan)過程(cheng)中,嚴格按照(zhao)《無公害(hai)鮮桃生(sheng)產(chan)技術操(cao)作規程(cheng)》執行,嚴把生(sheng)產(chan)各(ge)個環節的(de)質(zhi)(zhi)量(liang)關(guan),確(que)保(bao)產(chan)品達到安(an)全、營養、無污染的(de)要(yao)(yao)求。
五.特定生產方式
1. 產地(di)選(xuan)擇與特殊(shu)內容(rong)規定:產地(di)要選(xuan)擇陽光充足(zu),地(di)勢(shi)較(jiao)高,符(fu)合國家環境質(zhi)量要求并根據氣(qi)候和土壤(rang)條件,選(xuan)在遠離工(gong)礦(kuang)(kuang)區,有良好的生態環境,空氣(qi)清新(xin)、水(shui)質(zhi)純凈、土壤(rang)未受污染(ran),要求地(di)表水(shui)、地(di)下水(shui)質(zhi)無污染(ran)、土壤(rang)元素含(han)量適宜、周圍(wei)無金屬(shu)、非金屬(shu)礦(kuang)(kuang)山、無農藥(yao)殘留,同(tong)時(shi)有較(jiao)高肥力(li)。
2. 品(pin)(pin)種(zhong)(zhong)選擇(ze)與(yu)特定要(yao)求 選擇(ze)個大、色艷,味濃(nong)芳香(xiang)的(de)早、中(zhong)(zhong)、晚(wan)(wan)品(pin)(pin)種(zhong)(zhong),合理調整面積比(bi)例(li),突出“早”字,做到分期上(shang)市,避開(kai)市場旺季。早、中(zhong)(zhong)、晚(wan)(wan)熟品(pin)(pin)種(zhong)(zhong)配搭比(bi)例(li)為5:3:2,主要(yao)品(pin)(pin)種(zhong)(zhong)為:沙紅、新川中(zhong)(zhong)島(dao)、早豐(feng)王、天王、紅剛山、中(zhong)(zhong)華福桃、桃王九九等。
3.生產過(guo)程管理
(1)土(tu)(tu)(tu)肥(fei)(fei)(fei)(fei)水(shui)(shui)(shui)管(guan)理(li):土(tu)(tu)(tu)壤(rang)管(guan)理(li),落葉后(hou),封凍(dong)前(qian)(qian),結合秋(qiu)(qiu)施(shi)(shi)(shi)基肥(fei)(fei)(fei)(fei)深(shen)翻改(gai)土(tu)(tu)(tu)對桃(tao)園進(jin)行(xing)深(shen)翻擴穴,改(gai)良土(tu)(tu)(tu)壤(rang)理(li)化形狀。以(yi)定植(zhi)穴為(wei)中(zhong)(zhong)心,每年或(huo)隔年向外(wai)深(shen)翻,翻深(shen)40-60cm,盡量減少傷根(gen)(gen),特別是骨干根(gen)(gen),直到株間土(tu)(tu)(tu)壤(rang)全部翻完(wan)為(wei)止,整理(li)好樹盤,土(tu)(tu)(tu)壤(rang)回(hui)填施(shi)(shi)(shi)入有機肥(fei)(fei)(fei)(fei),灌封凍(dong)水(shui)(shui)(shui)。施(shi)(shi)(shi)生(sheng)長(chang)季節要深(shen)施(shi)(shi)(shi)基肥(fei)(fei)(fei)(fei)并做到及時(shi)追(zhui)(zhui)(zhui)肥(fei)(fei)(fei)(fei)。基肥(fei)(fei)(fei)(fei)一(yi)般(ban)在果(guo)(guo)實(shi)采收(shou)后(hou)或(huo)秋(qiu)(qiu)季施(shi)(shi)(shi)用,用量為(wei)盛(sheng)果(guo)(guo)期(qi)(qi)(qi)大(da)(da)樹株施(shi)(shi)(shi)腐(fu)熟豬廄肥(fei)(fei)(fei)(fei)5000kg/畝(mu)(mu),土(tu)(tu)(tu)肥(fei)(fei)(fei)(fei)混(hun)(hun)勻,結合灌水(shui)(shui)(shui);追(zhui)(zhui)(zhui)肥(fei)(fei)(fei)(fei)能快速發揮(hui)肥(fei)(fei)(fei)(fei)效,及時(shi)滿足(zu)樹木生(sheng)長(chang)發育(yu)對養分的(de)需求。前(qian)(qian)期(qi)(qi)(qi)重施(shi)(shi)(shi)氮肥(fei)(fei)(fei)(fei),后(hou)期(qi)(qi)(qi)偏施(shi)(shi)(shi)P、k 肥(fei)(fei)(fei)(fei)。萌芽前(qian)(qian)畝(mu)(mu)施(shi)(shi)(shi)尿素(su)20kg,穴施(shi)(shi)(shi)或(huo)溝施(shi)(shi)(shi);(花(hua)前(qian)(qian)或(huo)花(hua)后(hou)2周噴1次0.3%尿素(su)+1%過磷酸鈣+2%硫酸鉀混(hun)(hun)合液,按150kg/畝(mu)(mu)噴霧,促(cu)進(jin)果(guo)(guo)實(shi)細胞(bao)分裂,增大(da)(da)果(guo)(guo)個,盛(sheng)花(hua)期(qi)(qi)(qi)按150kg/畝(mu)(mu)噴1次0.3%硼(peng)砂+0.3%的(de)尿素(su)混(hun)(hun)合液,提(ti)高座(zuo)果(guo)(guo)率。硬核期(qi)(qi)(qi)、5月中(zhong)(zhong)下旬(xun)新梢旺長(chang)期(qi)(qi)(qi)、花(hua)芽分化期(qi)(qi)(qi)、果(guo)(guo)實(shi)膨大(da)(da)期(qi)(qi)(qi)為(wei)桃(tao)樹的(de)需肥(fei)(fei)(fei)(fei)臨界期(qi)(qi)(qi),分四次對結果(guo)(guo)樹追(zhui)(zhui)(zhui)施(shi)(shi)(shi)磷酸二銨,共(gong)追(zhui)(zhui)(zhui)施(shi)(shi)(shi)500kg/畝(mu)(mu),放射狀或(huo)條溝施(shi)(shi)(shi)入。距果(guo)(guo)實(shi)采收(shou)期(qi)(qi)(qi)20天內停止葉面追(zhui)(zhui)(zhui)肥(fei)(fei)(fei)(fei)。3.1.3 灌水(shui)(shui)(shui),春季萌芽前(qian)(qian),結合追(zhui)(zhui)(zhui)肥(fei)(fei)(fei)(fei),灌一(yi)次大(da)(da)水(shui)(shui)(shui),并進(jin)行(xing)覆膜(mo)保墑;花(hua)期(qi)(qi)(qi)控水(shui)(shui)(shui),十分干旱(han)時(shi),少量灌水(shui)(shui)(shui);果(guo)(guo)實(shi)迅速膨大(da)(da)期(qi)(qi)(qi),必須保證充足(zu)的(de)水(shui)(shui)(shui)分供應,維持(chi)細胞(bao)液濃度,防止裂果(guo)(guo),促(cu)進(jin)果(guo)(guo)實(shi)膨大(da)(da);秋(qiu)(qiu)季施(shi)(shi)(shi)基肥(fei)(fei)(fei)(fei)時(shi)灌一(yi)次透水(shui)(shui)(shui);土(tu)(tu)(tu)壤(rang)封凍(dong)前(qian)(qian)澆封凍(dong)水(shui)(shui)(shui),提(ti)高桃(tao)園的(de)防寒(han)抗旱(han)耐力。
(2)整(zheng)形修(xiu)(xiu)(xiu)(xiu)剪(jian)(jian)(jian)(jian):修(xiu)(xiu)(xiu)(xiu)剪(jian)(jian)(jian)(jian)原則,幼(you)樹(shu)(shu)的(de)(de)修(xiu)(xiu)(xiu)(xiu)剪(jian)(jian)(jian)(jian)采取輕剪(jian)(jian)(jian)(jian)長(chang)(chang)放,長(chang)(chang)梢修(xiu)(xiu)(xiu)(xiu)剪(jian)(jian)(jian)(jian)為主(zhu)。大量結果(guo)后轉向常規修(xiu)(xiu)(xiu)(xiu)剪(jian)(jian)(jian)(jian),及(ji)時(shi)(shi)運用單(dan)枝(zhi)(zhi)(zhi)(zhi)(zhi)或(huo)雙枝(zhi)(zhi)(zhi)(zhi)(zhi)更新(xin)技術復(fu)壯(zhuang)結果(guo)數(shu)組(zu)。夏季(ji)修(xiu)(xiu)(xiu)(xiu)剪(jian)(jian)(jian)(jian)時(shi)(shi),疏除背上(shang)枝(zhi)(zhi)(zhi)(zhi)(zhi)、陡(dou)上(shang)枝(zhi)(zhi)(zhi)(zhi)(zhi)、直上(shang)枝(zhi)(zhi)(zhi)(zhi)(zhi)、枯死枝(zhi)(zhi)(zhi)(zhi)(zhi)、病蟲枝(zhi)(zhi)(zhi)(zhi)(zhi)、競(jing)爭枝(zhi)(zhi)(zhi)(zhi)(zhi)等(deng),保持主(zhu)枝(zhi)(zhi)(zhi)(zhi)(zhi)延(yan)(yan)長(chang)(chang)頭的(de)(de)生(sheng)長(chang)(chang)優勢。當側枝(zhi)(zhi)(zhi)(zhi)(zhi)抽生(sheng)長(chang)(chang)度(du)超過(guo)60cm時(shi)(shi),應(ying)(ying)及(ji)時(shi)(shi)剪(jian)(jian)(jian)(jian)除先端部分(fen),促發二次枝(zhi)(zhi)(zhi)(zhi)(zhi),增(zeng)(zeng)加枝(zhi)(zhi)(zhi)(zhi)(zhi)葉量,達到擴冠(guan)增(zeng)(zeng)長(chang)(chang)的(de)(de)目的(de)(de)。修(xiu)(xiu)(xiu)(xiu)剪(jian)(jian)(jian)(jian)要(yao)點,幼(you)樹(shu)(shu)生(sheng)長(chang)(chang)旺盛,應(ying)(ying)重視夏季(ji)修(xiu)(xiu)(xiu)(xiu)剪(jian)(jian)(jian)(jian)。主(zhu)要(yao)以整(zheng)形為主(zhu),盡(jin)快擴大樹(shu)(shu)冠(guan),培(pei)養牢固的(de)(de)骨架;對(dui)骨干(gan)枝(zhi)(zhi)(zhi)(zhi)(zhi)、延(yan)(yan)長(chang)(chang)枝(zhi)(zhi)(zhi)(zhi)(zhi)適(shi)度(du)短截,對(dui)非骨干(gan)枝(zhi)(zhi)(zhi)(zhi)(zhi)輕剪(jian)(jian)(jian)(jian)長(chang)(chang)放,提早(zao)(zao)結果(guo),逐漸培(pei)養各類(lei)結果(guo)枝(zhi)(zhi)(zhi)(zhi)(zhi)組(zu)盛果(guo)期(qi)修(xiu)(xiu)(xiu)(xiu)剪(jian)(jian)(jian)(jian)的(de)(de)主(zhu)要(yao)任(ren)務是前期(qi)保持樹(shu)(shu)勢平衡,培(pei)養各種類(lei)型的(de)(de)結果(guo)枝(zhi)(zhi)(zhi)(zhi)(zhi)組(zu)。中后期(qi)要(yao)抑前促后,回縮更新(xin),培(pei)養新(xin)的(de)(de)枝(zhi)(zhi)(zhi)(zhi)(zhi)組(zu),防止(zhi)早(zao)(zao)衰和(he)結果(guo)部位外移。結果(guo)枝(zhi)(zhi)(zhi)(zhi)(zhi)組(zu)要(yao)不斷更新(xin)。應(ying)(ying)重視夏季(ji)修(xiu)(xiu)(xiu)(xiu)剪(jian)(jian)(jian)(jian)。
(3)花果(guo)(guo)(guo)(guo)管理:疏(shu)花疏(shu)果(guo)(guo)(guo)(guo)根據(ju)品種特點為生產個(ge)大(da)、質優(you)、售(shou)價(jia)高(gao)的高(gao)檔(dang)果(guo)(guo)(guo)(guo)必(bi)須進行疏(shu)花疏(shu)果(guo)(guo)(guo)(guo),合(he)理負載。一般畝產量控制在(zai)(zai)2000kg左(zuo)右。疏(shu)花在(zai)(zai)大(da)蕾(lei)期進行;疏(shu)果(guo)(guo)(guo)(guo)從落花后兩周到硬核期前進行。具體步驟先里后外(wai)先上后下;疏(shu)果(guo)(guo)(guo)(guo)首先疏(shu)除小果(guo)(guo)(guo)(guo)、雙果(guo)(guo)(guo)(guo)、畸(ji)形果(guo)(guo)(guo)(guo)、病蟲果(guo)(guo)(guo)(guo);其次是(shi)朝天(tian)果(guo)(guo)(guo)(guo)、無葉果(guo)(guo)(guo)(guo)枝(zhi)(zhi)(zhi)上的果(guo)(guo)(guo)(guo)。選(xuan)留(liu)部位以果(guo)(guo)(guo)(guo)枝(zhi)(zhi)(zhi)兩側、向(xiang)下生長的果(guo)(guo)(guo)(guo)為好。長果(guo)(guo)(guo)(guo)枝(zhi)(zhi)(zhi)留(liu)3~4個(ge),中(zhong)果(guo)(guo)(guo)(guo)枝(zhi)(zhi)(zhi)留(liu)2~3個(ge),短果(guo)(guo)(guo)(guo)枝(zhi)(zhi)(zhi)、花束狀(zhuang)結果(guo)(guo)(guo)(guo)枝(zhi)(zhi)(zhi)一個(ge)或(huo)不留(liu)。
(4)果實套袋,在定果后及時套袋。套袋順序為(wei)先早熟后晚熟,坐果率低(di)的(de)品種(zhong)可晚套、減少空袋率。
4. 病(bing)(bing)蟲(chong)(chong)害(hai)防(fang)(fang)治(zhi)(zhi),積極貫徹“預防(fang)(fang)為(wei)主,綜合(he)防(fang)(fang)治(zhi)(zhi)”的(de)植(zhi)保(bao)方針(zhen)。以農(nong)業和物(wu)理(li)防(fang)(fang)治(zhi)(zhi)為(wei)基礎,提倡生(sheng)物(wu)防(fang)(fang)治(zhi)(zhi),按(an)照病(bing)(bing)蟲(chong)(chong)害(hai)的(de)發(fa)生(sheng)規律,科(ke)(ke)學(xue)(xue)使(shi)用(yong)化學(xue)(xue)防(fang)(fang)治(zhi)(zhi)技術,有效控制病(bing)(bing)蟲(chong)(chong)害(hai)。合(he)理(li)修(xiu)剪(jian),保(bao)持(chi)樹(shu)冠(guan)通(tong)風透光良好;合(he)理(li)負載,保(bao)持(chi)樹(shu)體健壯。采取剪(jian)除病(bing)(bing)蟲(chong)(chong)枝、人工捕捉、清除枯(ku)枝落(luo)葉、翻樹(shu)盤、地(di)面(mian)秸(jie)稈覆(fu)蓋、地(di)面(mian)覆(fu)膜、科(ke)(ke)學(xue)(xue)施肥等措(cuo)施抑制或減少病(bing)(bing)蟲(chong)(chong)害(hai)發(fa)生(sheng)。根據病(bing)(bing)蟲(chong)(chong)害(hai)生(sheng)物(wu)學(xue)(xue)特性,采取糖醋(cu)液、黑光燈、樹(shu)干纏草把、粘著劑(ji)和防(fang)(fang)蟲(chong)(chong)網(wang)等方法誘殺害(hai)蟲(chong)(chong)。不得使(shi)用(yong)高毒高殘留農(nong)藥。
5.產(chan)品收獲及產(chan)后(hou)(hou)處理規定一般(ban)在果(guo)實(shi)成熟前10 ~20 天進行解袋(dai);不(bu)易著色的品種(zhong)和光照不(bu)良的地(di)區可適當提前解袋(dai);解袋(dai)前,單(dan)層(ceng)袋(dai)先(xian)將底部打開,逐漸將袋(dai)去除;雙層(ceng)袋(dai)應分兩次解完,先(xian)解外(wai)層(ceng),后(hou)(hou)解內層(ceng)。果(guo)實(shi)成熟期雨水集中(zhong)的地(di)區、裂果(guo)嚴重(zhong)的品種(zhong)也(ye)可不(bu)解袋(dai)。收獲后(hou)(hou),按等級進行分類(lei)、包裝上市。
6.生產(chan)(chan)記(ji)(ji)錄要求詳(xiang)細記(ji)(ji)錄生產(chan)(chan)操(cao)作日期,病蟲害情況,技術措施(shi)(shi),建立生產(chan)(chan)過程記(ji)(ji)錄檔案,記(ji)(ji)載投(tou)入品的(de)名稱、生產(chan)(chan)廠家(jia)、登記(ji)(ji)證(zheng)號、類型、施(shi)(shi)用量、施(shi)(shi)用方法、次數(shu)等。