一.產品介紹
定(ding)(ding)(ding)(ding)襄甜瓜(gua)產于山西省(sheng)(sheng)忻州市定(ding)(ding)(ding)(ding)襄縣。甜瓜(gua)在(zai)定(ding)(ding)(ding)(ding)襄縣栽培歷(li)史(shi)悠久,人文積(ji)淀深厚。據(ju)現存最早的(de)定(ding)(ding)(ding)(ding)襄縣志《雍正五(wu)年(nian)重(zhong)(zhong)續(xu)縣志》記載,甜瓜(gua)是(shi)定(ding)(ding)(ding)(ding)襄縣較(jiao)早的(de)物產之一(yi),“七(qi)(qi)夕女子用瓜(gua)果(guo)盛庭中乞巧(qiao),七(qi)(qi)月(yue)十五(wu)以麻線懸各門(men)首(shou)亭(ting)午請而祭(ji)之以瓜(gua)果(guo)紙供薦(jian)祖(zu)塋,中秋用瓜(gua)果(guo)餅豆相饋遺以助賞月(yue)”,其中前兩種(zhong)“瓜(gua)”指(zhi)的(de)即為甜瓜(gua)。據(ju)成書于上(shang)世(shi)紀(ji)90年(nian)代的(de)《定(ding)(ding)(ding)(ding)襄縣農業(ye)資源集》介(jie)紹,甜瓜(gua)在(zai)定(ding)(ding)(ding)(ding)襄縣較(jiao)古老的(de)栽培品(pin)種(zhong)有“燈(deng)籠紅”、“蛤蟆皮(pi)”等,種(zhong)植面積(ji)較(jiao)大,品(pin)種(zhong)較(jiao)佳,多在(zai)平川水(shui)地種(zhong)植。特別是(shi)近年(nian)來(lai),隨著設(she)施農業(ye)的(de)興起,春早熟甜瓜(gua)品(pin)種(zhong)的(de)引進,棚室甜瓜(gua)育(yu)苗(miao)技術的(de)推廣,嫁(jia)接技術的(de)突破,甜瓜(gua)種(zhong)植面積(ji)不斷擴大,品(pin)質不斷提高,成為全省(sheng)(sheng)重(zhong)(zhong)要的(de)甜瓜(gua)生產基地。
二.自然(ran)生態環境和人文(wen)歷史因素
1.地(di)(di)(di)(di)(di)貌(mao)定(ding)(ding)襄縣(xian)地(di)(di)(di)(di)(di)處忻定(ding)(ding)盆地(di)(di)(di)(di)(di),總(zong)(zong)的(de)(de)地(di)(di)(di)(di)(di)形特征是(shi):東(dong)(dong)(dong)、北(bei)南群山環(huan)繞,地(di)(di)(di)(di)(di)形復雜多樣,既有峰巒高聳、地(di)(di)(di)(di)(di)面(mian)(mian)(mian)崎嶇的(de)(de)山地(di)(di)(di)(di)(di),也有高度不大,坡度低(di)緩的(de)(de)丘陵(ling),還(huan)有河(he)(he)流沖積而成的(de)(de)河(he)(he)谷(gu)平(ping)川(chuan)地(di)(di)(di)(di)(di)帶(dai)(dai)(dai),總(zong)(zong)的(de)(de)地(di)(di)(di)(di)(di)勢(shi)(shi)是(shi)東(dong)(dong)(dong)南部(bu)高,西(xi)北(bei)部(bu)低(di),由(you)東(dong)(dong)(dong)南向西(xi)北(bei)逐漸傾斜(xie)降低(di)。中(zhong)(zhong)西(xi)部(bu)為(wei)(wei)河(he)(he)谷(gu)平(ping)川(chuan)地(di)(di)(di)(di)(di)帶(dai)(dai)(dai),地(di)(di)(di)(di)(di)勢(shi)(shi)西(xi)高東(dong)(dong)(dong)低(di)。境(jing)內(nei)最(zui)高處為(wei)(wei)南部(bu)叢蒙山柳(liu)林尖(jian)山峰,海拔高度為(wei)(wei)2101.9米(mi)(mi)(mi),中(zhong)(zhong)部(bu)平(ping)川(chuan)地(di)(di)(di)(di)(di)區海拔為(wei)(wei)700—800米(mi)(mi)(mi),最(zui)低(di)處是(shi)河(he)(he)邊鎮嶺(ling)子底村(cun)(cun)河(he)(he)谷(gu)區海拔高度為(wei)(wei)570米(mi)(mi)(mi),縣(xian)城(cheng)一(yi)帶(dai)(dai)(dai)海拔高度為(wei)(wei)760米(mi)(mi)(mi)。平(ping)川(chuan)面(mian)(mian)(mian)積為(wei)(wei)393平(ping)方(fang)公里(li),占(zhan)總(zong)(zong)面(mian)(mian)(mian)積的(de)(de)45.46.主(zhu)要集中(zhong)(zhong)在(zai)(zai)中(zhong)(zhong)西(xi)部(bu)的(de)(de)滹沱河(he)(he)水(shui)系沖積扇上(shang),地(di)(di)(di)(di)(di)勢(shi)(shi)由(you)西(xi)向東(dong)(dong)(dong)傾斜(xie),海拔高度為(wei)(wei)740—770米(mi)(mi)(mi);丘陵(ling)面(mian)(mian)(mian)積為(wei)(wei)105平(ping)方(fang)公里(li),占(zhan)總(zong)(zong)面(mian)(mian)(mian)積的(de)(de)12.17%,主(zhu)要分(fen)布(bu)在(zai)(zai)南王(wang)、蔣村(cun)(cun)、河(he)(he)邊、受祿等鄉鎮的(de)(de)部(bu)分(fen)村(cun)(cun)莊,海拔高度在(zai)(zai)770—1100米(mi)(mi)(mi)之間(jian);山地(di)(di)(di)(di)(di)面(mian)(mian)(mian)積為(wei)(wei)367平(ping)方(fang)公里(li),占(zhan)總(zong)(zong)面(mian)(mian)(mian)積的(de)(de)42.37%,海拔高度在(zai)(zai)1100米(mi)(mi)(mi)以上(shang),基(ji)本(ben)沒(mei)有成片適(shi)宜農(nong)業生產的(de)(de)耕地(di)(di)(di)(di)(di)。
2.土(tu)(tu)(tu)壤(rang)情況全(quan)(quan)縣可(ke)耕地(di)(di)(di)面積53.1萬(wan)(wan)畝,其中:水澆地(di)(di)(di)面積30.03萬(wan)(wan)畝,保澆地(di)(di)(di)面積17萬(wan)(wan)畝。人均(jun)耕地(di)(di)(di)面積不足2.5畝。全(quan)(quan)縣耕地(di)(di)(di)土(tu)(tu)(tu)壤(rang)主要(yao)是褐土(tu)(tu)(tu)、潮(chao)土(tu)(tu)(tu)二(er)個土(tu)(tu)(tu)類(lei),其中:褐土(tu)(tu)(tu)占70.22%,主要(yao)分布在山區、丘陵高(gao)階(jie)地(di)(di)(di)及(ji)部分平(ping)(ping)川二(er)級(ji)階(jie)地(di)(di)(di),海拔(ba)在770米以(yi)上;潮(chao)土(tu)(tu)(tu)占29.67%,主要(yao)分布在滹沱河(he)、牧馬河(he)、同河(he)、云中河(he)河(he)漫(man)灘、全(quan)(quan)部一級(ji)階(jie)地(di)(di)(di)及(ji)部分平(ping)(ping)川二(er)級(ji)階(jie)地(di)(di)(di),海拔(ba)在760米以(yi)下。全(quan)(quan)縣土(tu)(tu)(tu)壤(rang)養分狀況為(wei)(wei):有機質3.7—25.6g/kg,均(jun)值(zhi)為(wei)(wei)11.4g/kg;全(quan)(quan)氮0.15—1.14g/kg,均(jun)值(zhi)為(wei)(wei)0.64g/kg;有效(xiao)磷0.23—30.7mg/kg,均(jun)值(zhi)為(wei)(wei)5.96mg/kg;速(su)效(xiao)鉀29—265mg/kg,均(jun)值(zhi)為(wei)(wei)121.12mg/kg。大部分屬(shu)三級(ji)以(yi)上耕地(di)(di)(di),非常(chang)適宜甜(tian)瓜生長。
3.水(shui)(shui)(shui)(shui)文地質(zhi)情況(kuang):定襄處于忻(xin)定盆(pen)地的(de)(de)東(dong)部,為(wei)(wei)(wei)半封閉式斷(duan)陷盆(pen)地,南、東(dong)、北三面(mian)基巖(yan)(yan)裸露,除南面(mian)系舟山一帶(dai)為(wei)(wei)(wei)石灰巖(yan)(yan)結(jie)構外,其余(yu)地層為(wei)(wei)(wei)片麻巖(yan)(yan),石英巖(yan)(yan)、變質(zhi)巖(yan)(yan)及少(shao)量(liang)結(jie)晶(jing)白云(yun)巖(yan)(yan)、砂質(zhi)巖(yan)(yan)地帶(dai),盆(pen)地中心為(wei)(wei)(wei)第(di)四紀松散沉(chen)積物。滹沱河(he)(he)是徑本(ben)縣(xian)(xian)的(de)(de)最(zui)大干(gan)(gan)流,其次,牧馬河(he)(he)、云(yun)中河(he)(he)、同河(he)(he)均為(wei)(wei)(wei)季節性河(he)(he)流,其水(shui)(shui)(shui)(shui)源主要由降(jiang)(jiang)雨(yu)(yu)補(bu)給,也是地表水(shui)(shui)(shui)(shui)唯一排泄(xie)的(de)(de)通路,夏季流量(liang)大,冬春季流量(liang)小,有(you)時干(gan)(gan)涸而(er)斷(duan)流。全(quan)縣(xian)(xian)總的(de)(de)氣候(hou)為(wei)(wei)(wei)半干(gan)(gan)旱地區。根據地區條件可(ke)分(fen)為(wei)(wei)(wei)平川溫和少(shao)雨(yu)(yu)區,東(dong)峪河(he)(he)谷溫暖雨(yu)(yu)量(liang)較(jiao)多區,半坡陰(yin)涼干(gan)(gan)旱區,山地寒冷地區。縣(xian)(xian)內(nei)多年平均降(jiang)(jiang)水(shui)(shui)(shui)(shui)量(liang)為(wei)(wei)(wei)3.637億(yi)(yi)(yi)立(li)(li)方(fang)米(mi)(降(jiang)(jiang)水(shui)(shui)(shui)(shui)深(shen)(shen)為(wei)(wei)(wei)430毫(hao)米(mi)),其中東(dong)峪河(he)(he)谷溫暖雨(yu)(yu)量(liang)較(jiao)多區為(wei)(wei)(wei)0.458億(yi)(yi)(yi)立(li)(li)方(fang)米(mi)(降(jiang)(jiang)水(shui)(shui)(shui)(shui)深(shen)(shen)為(wei)(wei)(wei)450毫(hao)米(mi))。山地寒冷多雨(yu)(yu)區為(wei)(wei)(wei)1.261億(yi)(yi)(yi)立(li)(li)方(fang)米(mi)(降(jiang)(jiang)水(shui)(shui)(shui)(shui)深(shen)(shen)為(wei)(wei)(wei)490毫(hao)米(mi))。受地形(xing)(xing)因素的(de)(de)影響,降(jiang)(jiang)水(shui)(shui)(shui)(shui)分(fen)布自扇形(xing)(xing)山地到東(dong)峪較(jiao)多區為(wei)(wei)(wei)410—490毫(hao)米(mi)。全(quan)縣(xian)(xian)地面(mian)徑流平均為(wei)(wei)(wei)0.292億(yi)(yi)(yi)立(li)(li)方(fang)米(mi),四條河(he)(he)流正常年來(lai)水(shui)(shui)(shui)(shui)量(liang)為(wei)(wei)(wei)7.67億(yi)(yi)(yi)立(li)(li)方(fang)米(mi),其中滹沱河(he)(he)為(wei)(wei)(wei)6.3億(yi)(yi)(yi)立(li)(li)方(fang)米(mi),同河(he)(he)0.13億(yi)(yi)(yi)立(li)(li)方(fang)米(mi),云(yun)中河(he)(he)0.59億(yi)(yi)(yi)立(li)(li)方(fang)米(mi),牧馬河(he)(he)0.65億(yi)(yi)(yi)立(li)(li)方(fang)米(mi),均為(wei)(wei)(wei)季節河(he)(he),每年枯水(shui)(shui)(shui)(shui)期(qi)為(wei)(wei)(wei)2—3個月。水(shui)(shui)(shui)(shui)資源較(jiao)豐富,利用(yong)河(he)(he)水(shui)(shui)(shui)(shui)自流灌溉和開采地下水(shui)(shui)(shui)(shui)資源均較(jiao)方(fang)便,適宜種植甜瓜。
4.氣(qi)(qi)(qi)候情況:縣域境(jing)內氣(qi)(qi)(qi)候屬溫帶大陸性氣(qi)(qi)(qi)候,四季分明,年(nian)(nian)降水(shui)量(liang)400—500mm,均值為433㎜,年(nian)(nian)平(ping)均蒸(zheng)發量(liang)1448.7㎜,年(nian)(nian)平(ping)均氣(qi)(qi)(qi)溫8.7℃,年(nian)(nian)≥10℃的積(ji)溫是3197.1℃,無(wu)霜期158天左右,年(nian)(nian)日照(zhao)時數達2734.6小時,年(nian)(nian)太(tai)陽輻射總(zong)量(liang)為135.9千卡/平(ping)方厘(li)米,氣(qi)(qi)(qi)候特點適宜(yi)農(nong)作物(wu)生長和養分積(ji)累。
三.地域范圍
定(ding)襄(xiang)縣(xian)地(di)處(chu)山西省北中部,位于忻(xin)定(ding)盆地(di)東(dong)側,東(dong)鄰五臺縣(xian),南毗盂(yu)縣(xian)、陽曲(qu)縣(xian),西接忻(xin)府區(qu),北與原(yuan)平(ping)市接壤,是一個(ge)典型的(de)農(nong)業資源(yuan)大縣(xian),地(di)理(li)坐標:東(dong)徑112°39′15″—113°16′50″,北緯38°19′22″—38°40′15″縣(xian)域(yu)面積(ji)865平(ping)方公里,定(ding)襄(xiang)甜瓜地(di)理(li)標志產品保(bao)護(hu)范圍為山西省忻(xin)州市定(ding)襄(xiang)縣(xian)境內(nei)的(de)受祿鄉(xiang)(xiang)、季莊鄉(xiang)(xiang)、宏道(dao)鎮(zhen)、河邊鎮(zhen)、蔣村鄉(xiang)(xiang)、晉昌鎮(zhen)、神山鄉(xiang)(xiang)南王鄉(xiang)(xiang)、楊芳(fang)鄉(xiang)(xiang)9個(ge)鄉(xiang)(xiang)鎮(zhen)155個(ge)行政村。近(jin)幾(ji)年(nian)甜瓜種植面積(ji)保(bao)持在600公頃以上,年(nian)總產13000——15000噸。
四(si).產品品質特性特征
1.外在感官特(te)征。定襄(xiang)甜瓜根系發達,主根深達1米以上,側根分布直徑2米--3米。莖圓(yuan)(yuan)形(xing)(xing),有棱(leng),被短刺毛(mao),分枝性(xing)(xing)強。單葉互(hu)生(sheng),葉片近圓(yuan)(yuan)形(xing)(xing)或(huo)腎形(xing)(xing),被毛(mao)。花腋生(sheng),單性(xing)(xing)或(huo)兩性(xing)(xing),蟲媒花,花卉為黃(huang)色。果(guo)實有圓(yuan)(yuan)球、橢(tuo)圓(yuan)(yuan)球、長筒(tong)等(deng)形(xing)(xing)狀(zhuang),成熟(shu)的果(guo)皮有白、綠(lv)、黃(huang)、褐色或(huo)附有各色條(tiao)紋和斑點(dian)。果(guo)表光滑,果(guo)肉有白、桔紅、綠(lv)黃(huang)等(deng)色,具香氣。種子(zi)披針形(xing)(xing)或(huo)扁圓(yuan)(yuan)形(xing)(xing),大小各異。
2.內(nei)(nei)在品質特征。定襄甜(tian)(tian)瓜瓜香濃(nong)郁(yu),甘(gan)甜(tian)(tian)爽(shuang)口(kou)(kou),色澤鮮艷、消熱解暑,清(qing)(qing)煩止渴、營養健康。內(nei)(nei)含(han)成份:水分91.6g/100g;可溶性(xing)固形物(wu)11.4g/100g;碳水化合物(wu)6.4g/100g;鈣6.0mg/100g;維(wei)生(sheng)素C16.8mg/100g;蛋白質0.74g/100g;氨基酸總量0.73g/100g;甜(tian)(tian)瓜果肉(rou)味甘(gan),性(xing)寒無毒,清(qing)(qing)熱利尿、止渴,可治(zhi)暑熱、發燒、口(kou)(kou)渴、小便不利、口(kou)(kou)鼻生(sheng)瘡。種(zhong)子散結(jie)消瘀(yu)、清(qing)(qing)肺化瘀(yu)、潤腸、排膿,治(zhi)腹內(nei)(nei)結(jie)聚(ju)、大便不暢。
3.質量(liang)安(an)全規(gui)定。產地(di)環(huan)境符(fu)合《NY5294-2004無(wu)公害食品設施(shi)蔬菜(cai)產地(di)環(huan)境條件》,產品質量(liang)符(fu)合《NY5109-2005無(wu)公害食品西甜瓜》等技術規(gui)范(fan)要求,使產品達到安(an)全、營(ying)養(yang)、無(wu)污染。
五.特定生產方(fang)式
1.品種選擇選擇肉質甜脆(cui),香(xiang)味濃郁,品質上(shang)佳(jia),商品性好的薄皮系(xi)列品種。如:甜妃、皇帝、真香(xiang)蜜、白帝等(deng)。
2.育苗
(1)種(zhong)(zhong)子(zi)處理(li)播種(zhong)(zhong)前1-2d,選晴天(tian)曬(shai)種(zhong)(zhong),注意不(bu)要燙壞種(zhong)(zhong)子(zi),并經常翻動,可(ke)(ke)起到(dao)(dao)打破休眠,增強種(zhong)(zhong)子(zi)活(huo)力的作用(yong)。曬(shai)好(hao)后用(yong)55 ℃溫(wen)水(shui)浸泡15min,不(bu)斷攪拌(ban)至(zhi)水(shui)溫(wen)為30℃時(shi),再浸泡3 -4 h,然后清洗干凈用(yong)濕布(bu)包好(hao),放到(dao)(dao)28℃-30℃的環境下催(cui)芽,一(yi)般12小時(shi)即可(ke)(ke)出芽。
(2)播種(zhong)育苗(miao)定襄縣(xian)移(yi)動大棚一般在3月(yue)(yue)上(shang)旬播種(zhong)(3月(yue)(yue)10日),4月(yue)(yue)上(shang)旬移(yi)栽,苗(miao)齡30d-35d。
3.定植
(1)整地扣棚(peng)選擇土壤肥沃排水良(liang)好(hao)的壤土,施(shi)足(zu)底(di)肥進行(xing)深翻,一(yi)般結合(he)(he)深翻畝(mu)施(shi)腐熟的優質有機肥5000公斤左右,三元(yuan)復合(he)(he)肥40-50公斤。將土壤與(yu)肥料耙平混合(he)(he)后,按1.1米(mi)的行(xing)距起(qi)壟,壟高(gao)20厘米(mi),起(qi)壟后鋪一(yi)層地膜,然后將支架插好(hao),扣上棚(peng)膜,進行(xing)溫地。
(2)定(ding)植(zhi)在(zai)4月15日左右定(ding)植(zhi),在(zai)膜上打孔(kong),將秧苗放入定(ding)植(zhi)穴內,用水壺澆水,待水滲透(tou)后(hou)用土封嚴(yan),一般(ban)畝(mu)定(ding)植(zhi)2300—2500株。
4.定植后管理
(1)溫(wen)度管理緩苗期溫(wen)度應在(zai)白天30℃-35℃,夜間(jian)不低于(yu)15℃,緩苗期5—7天,一般不放風,緩苗后溫(wen)度應控制在(zai)白天25℃—30℃,夜間(jian)不低于(yu)12℃,以利于(yu)壯秧。
(2)肥(fei)(fei)水(shui)(shui)管(guan)理(li)定(ding)植后(hou)(hou)7-10天(tian)澆(jiao)(jiao)一(yi)次(ci)緩苗水(shui)(shui),一(yi)直(zhi)到(dao)(dao)(dao)開(kai)花不(bu)澆(jiao)(jiao)水(shui)(shui),在第一(yi)茬瓜(gua)坐定(ding)后(hou)(hou),長(chang)到(dao)(dao)(dao)雞蛋大時(shi),再澆(jiao)(jiao)水(shui)(shui),隨水(shui)(shui)追肥(fei)(fei),一(yi)般畝追三元復合肥(fei)(fei)30公斤,當(dang)瓜(gua)停止膨大時(shi),要澆(jiao)(jiao)一(yi)次(ci)大水(shui)(shui),以后(hou)(hou)停止澆(jiao)(jiao)水(shui)(shui),一(yi)直(zhi)到(dao)(dao)(dao)成熟。
(3)病(bing)(bing)(bing)蟲(chong)害(hai)防治甜瓜在生長(chang)過程中主(zhu)要病(bing)(bing)(bing)蟲(chong)害(hai)為(wei)白(bai)粉病(bing)(bing)(bing)、蚜蟲(chong)。白(bai)粉病(bing)(bing)(bing)用50%甲基硫(liu)菌屢(lv)可濕(shi)性粉劑1000倍(bei)液噴霧防治,蚜蟲(chong)用10%吡蟲(chong)啉(lin)可濕(shi)性粉劑2000倍(bei)液防治。
5.采收6月中旬開始采收,當甜瓜的表皮亮度好,色澤(ze)改(gai)變(bian),有褪毛現象(xiang)時,即成(cheng)熟。一般散發出香味,即可(ke)采收。