一.產品介紹
江(jiang)(jiang)安大白(bai)李(li)又(you)稱(cheng)江(jiang)(jiang)安李(li),品種(zhong)適應性(xing)(xing)廣,抗逆(ni)性(xing)(xing)強,結果(guo)(guo)(guo)期早,豐產(chan)穩產(chan),品質上乘,曾榮(rong)獲“四川省優質水果(guo)(guo)(guo)”殊榮(rong),被全國農(nong)業高(gao)等院校(xiao)教材定為國家地方良種(zhong)。果(guo)(guo)(guo)實6月底成熟(shu),平均單果(guo)(guo)(guo)重25—35克,果(guo)(guo)(guo)肉清香脆嫩,汁多、味甜、離核,部(bu)分果(guo)(guo)(guo)實核腔內有(you)黃(huang)白(bai)色膠狀分泌物,果(guo)(guo)(guo)農(nong)稱(cheng)之為李(li)子(zi)(zi)結“冰糖”。先(xian)后注(zhu)冊“趕場(chang)山”李(li)子(zi)(zi)商標,通過無公害農(nong)產(chan)品認證和綠色食品認證檢測合格。現有(you)種(zhong)植面(mian)積5000余(yu)畝、產(chan)量1500余(yu)噸。
二.自然生態環境(jing)和人文(wen)歷(li)史因素(su)
江安縣(xian)屬低(di)山丘(qiu)陵區,海(hai)拔(ba)在236-908米(mi)之間,縣(xian)內除長(chang) 江外(wai),有(you)大小河溪(xi)145條,水(shui)資源(yuan)豐富(fu)。產區氣(qi)候屬中亞熱帶(dai)四(si)川盆(pen)地濕潤氣(qi)候區,四(si)季分明,常(chang)年(nian)平(ping)(ping)均氣(qi)溫為18.1℃,年(nian)平(ping)(ping)均降水(shui)量為1132毫米(mi),年(nian)平(ping)(ping)均日照時(shi)數1199.3小時(shi),全年(nian)無霜期347天。土壤質地以(yi)砂壤土為主(zhu),PH值在5.8-7.0之間,中性偏(pian)酸,適宜江安大白李生長(chang)。
三.地域范圍
江(jiang)(jiang)(jiang)安大(da)白李產于四川省江(jiang)(jiang)(jiang)安縣(xian),位(wei)于長(chang)江(jiang)(jiang)(jiang)上游(you),四川南緣,農(nong)產品地理標(biao)志地域保護范圍包括江(jiang)(jiang)(jiang)安縣(xian)所(suo)轄的江(jiang)(jiang)(jiang)安鎮(zhen)(zhen)(zhen)(zhen)(zhen)、怡樂鎮(zhen)(zhen)(zhen)(zhen)(zhen)、留耕鎮(zhen)(zhen)(zhen)(zhen)(zhen)、夕佳山鎮(zhen)(zhen)(zhen)(zhen)(zhen)、底蓬鎮(zhen)(zhen)(zhen)(zhen)(zhen)、大(da)井鎮(zhen)(zhen)(zhen)(zhen)(zhen)、紅橋鎮(zhen)(zhen)(zhen)(zhen)(zhen)、五(wu)礦鎮(zhen)(zhen)(zhen)(zhen)(zhen)、陽春鎮(zhen)(zhen)(zhen)(zhen)(zhen)(原濫壩鄉)、桐(tong)梓鎮(zhen)(zhen)(zhen)(zhen)(zhen)、水清鎮(zhen)(zhen)(zhen)(zhen)(zhen)、鐵清鎮(zhen)(zhen)(zhen)(zhen)(zhen)、迎安鎮(zhen)(zhen)(zhen)(zhen)(zhen)、四面山鎮(zhen)(zhen)(zhen)(zhen)(zhen),井口(kou)鎮(zhen)(zhen)(zhen)(zhen)(zhen)、大(da)妙鄉、仁(ren)和鄉和蟠龍鄉等15鎮(zhen)(zhen)(zhen)(zhen)(zhen)3鄉、297個行(xing)政村。地理坐標(biao)為東(dong)經104°57′40″-105°14′33,北緯(wei)28°22′20″-28°56′45″之(zhi)間,東(dong)到瀘州市(shi)江(jiang)(jiang)(jiang)陽區(qu)、納溪區(qu),南到興文縣(xian),西到南溪縣(xian)、長(chang)寧縣(xian),北到自(zi)貢(gong)市(shi)富順縣(xian)。保護面積(ji)10萬畝,年(nian)產量11萬噸。
四.產品品質特(te)性特(te)征
(1)外在感官(guan)品質:果實中大(da),圓形、整齊,縫合線(xian)較明(ming)顯(xian),兩半較對稱,果頂平(ping)或(huo)凹。果面綠(lv)黃(huang)色(se),果粉厚。果肉綠(lv)黃(huang)色(se),肉質細膩,清(qing)香脆(cui)嫩,纖維少,汁(zhi)較多,味甜。核小,離核,品質佳。
(2)內在品(pin)質指標:江(jiang)安大(da)白李可食率≥92%,可溶性固(gu)形物≥11%。
(3)安全(quan)要(yao)求:符合《無(wu)公害食品 落(luo)葉核果(guo)類果(guo)品》NY5112-2005標準要(yao)求。
五.特定生產方式
中(zhong)耕(geng)果(guo)(guo)(guo)園(yuan)生(sheng)(sheng)(sheng)長(chang)(chang)(chang)季(ji)節(jie)降雨或灌水(shui)(shui)(shui)后(hou)(hou)(hou)(hou),及時(shi)中(zhong)耕(geng)松土,中(zhong)耕(geng)深度(du)5cm-10cm。施(shi)(shi)(shi)肥(fei)(fei)施(shi)(shi)(shi)肥(fei)(fei)時(shi)期(qi)(qi)(qi)(qi):在(zai)(zai)(zai)(zai)(zai)落(luo)葉(xie)(xie)(xie)前(qian)后(hou)(hou)(hou)(hou)或李子萌(meng)芽前(qian)15天(tian)(tian)施(shi)(shi)(shi)積肥(fei)(fei),秋(qiu)施(shi)(shi)(shi)比春(chun)施(shi)(shi)(shi)好。追(zhui)(zhui)肥(fei)(fei)一(yi)年2-3次,第一(yi)次在(zai)(zai)(zai)(zai)(zai)開花前(qian),第二次在(zai)(zai)(zai)(zai)(zai)硬核期(qi)(qi)(qi)(qi),第三次在(zai)(zai)(zai)(zai)(zai)采(cai)(cai)收(shou)(shou)后(hou)(hou)(hou)(hou)。施(shi)(shi)(shi)有(you)(you)機肥(fei)(fei):秋(qiu)季(ji)果(guo)(guo)(guo)實采(cai)(cai)收(shou)(shou)后(hou)(hou)(hou)(hou)施(shi)(shi)(shi)入,以(yi)(yi)農家肥(fei)(fei)為(wei)(wei)(wei)(wei)主,混合少量化肥(fei)(fei)。施(shi)(shi)(shi)肥(fei)(fei)量按1kg果(guo)(guo)(guo)實施(shi)(shi)(shi)2kg優質農家肥(fei)(fei)計算。施(shi)(shi)(shi)用(yong)方法(fa)以(yi)(yi)溝(gou)(gou)施(shi)(shi)(shi)為(wei)(wei)(wei)(wei)主,施(shi)(shi)(shi)肥(fei)(fei)部(bu)位在(zai)(zai)(zai)(zai)(zai)樹(shu)(shu)冠投影范圍內(nei)。施(shi)(shi)(shi)肥(fei)(fei)方法(fa)為(wei)(wei)(wei)(wei)挖放射狀溝(gou)(gou)、環狀溝(gou)(gou)或平(ping)行狀溝(gou)(gou),溝(gou)(gou)深30-40cm。追(zhui)(zhui)肥(fei)(fei):在(zai)(zai)(zai)(zai)(zai)幼齡樹(shu)(shu)和(he)(he)結(jie)(jie)(jie)果(guo)(guo)(guo)樹(shu)(shu)果(guo)(guo)(guo)實發(fa)育(yu)前(qian)期(qi)(qi)(qi)(qi),每(mei)畝(mu)追(zhui)(zhui)肥(fei)(fei)氮磷(lin)肥(fei)(fei)25kg;果(guo)(guo)(guo)實發(fa)育(yu)后(hou)(hou)(hou)(hou)期(qi)(qi)(qi)(qi)追(zhui)(zhui)施(shi)(shi)(shi)磷(lin)鉀肥(fei)(fei)20kg。距果(guo)(guo)(guo)實采(cai)(cai)收(shou)(shou)期(qi)(qi)(qi)(qi)20天(tian)(tian)內(nei)停止葉(xie)(xie)(xie)面追(zhui)(zhui)肥(fei)(fei)。水(shui)(shui)(shui)分管(guan)理灌水(shui)(shui)(shui):早春(chun)萌(meng)芽前(qian)灌一(yi)次水(shui)(shui)(shui),果(guo)(guo)(guo)實膨大(da)期(qi)(qi)(qi)(qi)灌一(yi)次水(shui)(shui)(shui),秋(qiu)末在(zai)(zai)(zai)(zai)(zai)上凍(dong)前(qian)灌一(yi)次封凍(dong)水(shui)(shui)(shui),有(you)(you)條件(jian)的果(guo)(guo)(guo)園(yuan)最(zui)好安裝(zhuang)滴(di)灌系(xi)統(tong)。排(pai)水(shui)(shui)(shui):李樹(shu)(shu)喜濕但怕澇,應設置排(pai)水(shui)(shui)(shui)系(xi)統(tong),地面積水(shui)(shui)(shui)不利李樹(shu)(shu)正常生(sheng)(sheng)(sheng)長(chang)(chang)(chang),在(zai)(zai)(zai)(zai)(zai)多雨季(ji)節(jie)通過溝(gou)(gou)渠及時(shi)排(pai)水(shui)(shui)(shui)。整形修剪(jian)(jian) 樹(shu)(shu)高(gao)2.5m左右,冠幅(fu)1.5m×2.0m,無主側枝(zhi)(zhi),在(zai)(zai)(zai)(zai)(zai)中(zhong)心干上著生(sheng)(sheng)(sheng)8-12個枝(zhi)(zhi)組(zu),下(xia)部(bu)枝(zhi)(zhi)組(zu)較長(chang)(chang)(chang),上部(bu)枝(zhi)(zhi)組(zu)較短。修剪(jian)(jian)幼樹(shu)(shu)期(qi)(qi)(qi)(qi)的修剪(jian)(jian):以(yi)(yi)整形為(wei)(wei)(wei)(wei)主,盡快擴大(da)樹(shu)(shu)冠,培(pei)養(yang)(yang)牢固的骨(gu)架;對骨(gu)干枝(zhi)(zhi)、延(yan)長(chang)(chang)(chang)枝(zhi)(zhi)適度(du)短截(jie),對非骨(gu)干枝(zhi)(zhi)輕(qing)(qing)剪(jian)(jian)長(chang)(chang)(chang)放,提早結(jie)(jie)(jie)果(guo)(guo)(guo),逐(zhu)漸培(pei)養(yang)(yang)各類結(jie)(jie)(jie)果(guo)(guo)(guo)枝(zhi)(zhi)組(zu)。盛果(guo)(guo)(guo)期(qi)(qi)(qi)(qi)的修剪(jian)(jian):前(qian)期(qi)(qi)(qi)(qi)保(bao)持(chi)樹(shu)(shu)勢平(ping)衡,中(zhong)期(qi)(qi)(qi)(qi)要(yao)(yao)抑前(qian)促(cu)后(hou)(hou)(hou)(hou),回(hui)縮(suo)更新(xin),培(pei)養(yang)(yang)新(xin)的枝(zhi)(zhi)組(zu),防(fang)止早衰和(he)(he)結(jie)(jie)(jie)果(guo)(guo)(guo)部(bu)位外移。結(jie)(jie)(jie)果(guo)(guo)(guo)枝(zhi)(zhi)要(yao)(yao)不斷更新(xin),采(cai)(cai)取“強枝(zhi)(zhi)少截(jie),弱(ruo)枝(zhi)(zhi)多截(jie)”的辦法(fa)。衰老期(qi)(qi)(qi)(qi)的修剪(jian)(jian):采(cai)(cai)用(yong)回(hui)縮(suo)更新(xin)復壯的方法(fa),促(cu)生(sheng)(sheng)(sheng)壯旺枝(zhi)(zhi),重(zhong)短截(jie)生(sheng)(sheng)(sheng)長(chang)(chang)(chang)枝(zhi)(zhi),重(zhong)新(xin)培(pei)養(yang)(yang)骨(gu)干枝(zhi)(zhi)和(he)(he)結(jie)(jie)(jie)果(guo)(guo)(guo)枝(zhi)(zhi),延(yan)長(chang)(chang)(chang)結(jie)(jie)(jie)果(guo)(guo)(guo)期(qi)(qi)(qi)(qi)。病(bing)(bing)蟲(chong)害防(fang)治(zhi)技(ji)術病(bing)(bing)害:剪(jian)(jian)除越(yue)冬病(bing)(bing)枝(zhi)(zhi),清掃果(guo)(guo)(guo)園(yuan),除去(qu)病(bing)(bing)葉(xie)(xie)(xie)和(he)(he)枯枝(zhi)(zhi)。發(fa)病(bing)(bing)前(qian)噴5度(du)石硫(liu)合劑(ji),展葉(xie)(xie)(xie)后(hou)(hou)(hou)(hou)發(fa)病(bing)(bing)前(qian)噴0.5:1:100硫(liu)酸(suan)鋅石灰液(ye)1-2次。蟲(chong)害:藥物防(fang)治(zhi)按GB4258農藥安全(quan)使用(yong)標準執(zhi)行。結(jie)(jie)(jie)合秋(qiu)耕(geng),深翻樹(shu)(shu)盤,使成蟲(chong)羽(yu)化不能爬出地面。采(cai)(cai)收(shou)(shou)6月中(zhong)、下(xia)旬采(cai)(cai)收(shou)(shou),在(zai)(zai)(zai)(zai)(zai)接近完熟(shu)期(qi)(qi)(qi)(qi)(九成熟(shu))采(cai)(cai)收(shou)(shou),當果(guo)(guo)(guo)面綠色全(quan)部(bu)轉(zhuan)為(wei)(wei)(wei)(wei)淡黃色時(shi)為(wei)(wei)(wei)(wei)完全(quan)成熟(shu)。采(cai)(cai)收(shou)(shou)時(shi)用(yong)人工手摘,輕(qing)(qing)拿輕(qing)(qing)放,裝(zhuang)入果(guo)(guo)(guo)箱(xiang)內(nei),果(guo)(guo)(guo)箱(xiang)容器不易過大(da)或過高(gao),每(mei)箱(xiang)裝(zhuang)5-10kg為(wei)(wei)(wei)(wei)宜(yi)。