一.產品介紹
定(ding)襄(xiang)甜(tian)(tian)(tian)(tian)瓜(gua)(gua)(gua)(gua)(gua)產(chan)于山(shan)西省(sheng)忻州市定(ding)襄(xiang)縣(xian)(xian)。甜(tian)(tian)(tian)(tian)瓜(gua)(gua)(gua)(gua)(gua)在定(ding)襄(xiang)縣(xian)(xian)栽培(pei)歷(li)史悠久,人文積淀深厚。據(ju)現存(cun)最(zui)早的(de)(de)(de)定(ding)襄(xiang)縣(xian)(xian)志《雍(yong)正五年重(zhong)續縣(xian)(xian)志》記(ji)載,甜(tian)(tian)(tian)(tian)瓜(gua)(gua)(gua)(gua)(gua)是定(ding)襄(xiang)縣(xian)(xian)較早的(de)(de)(de)物產(chan)之(zhi)(zhi)一,“七夕(xi)女子(zi)用(yong)瓜(gua)(gua)(gua)(gua)(gua)果盛庭中乞巧,七月十五以(yi)麻線懸(xuan)各(ge)門(men)首亭午請(qing)而(er)祭之(zhi)(zhi)以(yi)瓜(gua)(gua)(gua)(gua)(gua)果紙供薦祖(zu)塋,中秋(qiu)用(yong)瓜(gua)(gua)(gua)(gua)(gua)果餅豆相饋遺以(yi)助賞(shang)月”,其中前(qian)兩種(zhong)(zhong)(zhong)“瓜(gua)(gua)(gua)(gua)(gua)”指的(de)(de)(de)即為甜(tian)(tian)(tian)(tian)瓜(gua)(gua)(gua)(gua)(gua)。據(ju)成書于上(shang)世紀90年代的(de)(de)(de)《定(ding)襄(xiang)縣(xian)(xian)農(nong)業資源集》介紹,甜(tian)(tian)(tian)(tian)瓜(gua)(gua)(gua)(gua)(gua)在定(ding)襄(xiang)縣(xian)(xian)較古老(lao)的(de)(de)(de)栽培(pei)品種(zhong)(zhong)(zhong)有“燈(deng)籠紅”、“蛤(ha)蟆皮”等,種(zhong)(zhong)(zhong)植面積較大,品種(zhong)(zhong)(zhong)較佳(jia),多在平(ping)川水地(di)種(zhong)(zhong)(zhong)植。特別是近(jin)年來,隨著設施農(nong)業的(de)(de)(de)興起(qi),春早熟甜(tian)(tian)(tian)(tian)瓜(gua)(gua)(gua)(gua)(gua)品種(zhong)(zhong)(zhong)的(de)(de)(de)引進,棚(peng)室甜(tian)(tian)(tian)(tian)瓜(gua)(gua)(gua)(gua)(gua)育苗技術(shu)的(de)(de)(de)推廣,嫁接技術(shu)的(de)(de)(de)突破,甜(tian)(tian)(tian)(tian)瓜(gua)(gua)(gua)(gua)(gua)種(zhong)(zhong)(zhong)植面積不斷(duan)擴大,品質不斷(duan)提高,成為全省(sheng)重(zhong)要的(de)(de)(de)甜(tian)(tian)(tian)(tian)瓜(gua)(gua)(gua)(gua)(gua)生產(chan)基地(di)。
二(er).自(zi)然生(sheng)態環境和人文歷(li)史因素
1.地(di)(di)貌定(ding)襄縣地(di)(di)處忻定(ding)盆地(di)(di),總(zong)(zong)的(de)(de)(de)地(di)(di)形特征是:東(dong)、北(bei)南群山環繞(rao),地(di)(di)形復雜多樣,既有峰巒高(gao)聳、地(di)(di)面(mian)崎嶇(qu)的(de)(de)(de)山地(di)(di),也有高(gao)度(du)不大(da),坡度(du)低(di)緩的(de)(de)(de)丘(qiu)陵(ling),還(huan)有河(he)(he)流(liu)沖積而成的(de)(de)(de)河(he)(he)谷平(ping)川(chuan)地(di)(di)帶,總(zong)(zong)的(de)(de)(de)地(di)(di)勢是東(dong)南部(bu)高(gao),西北(bei)部(bu)低(di),由東(dong)南向(xiang)西北(bei)逐漸傾(qing)斜降低(di)。中(zhong)西部(bu)為河(he)(he)谷平(ping)川(chuan)地(di)(di)帶,地(di)(di)勢西高(gao)東(dong)低(di)。境內最(zui)高(gao)處為南部(bu)叢蒙山柳(liu)林(lin)尖山峰,海(hai)(hai)(hai)(hai)拔(ba)高(gao)度(du)為2101.9米(mi),中(zhong)部(bu)平(ping)川(chuan)地(di)(di)區海(hai)(hai)(hai)(hai)拔(ba)為700—800米(mi),最(zui)低(di)處是河(he)(he)邊鎮(zhen)嶺子底村河(he)(he)谷區海(hai)(hai)(hai)(hai)拔(ba)高(gao)度(du)為570米(mi),縣城一(yi)帶海(hai)(hai)(hai)(hai)拔(ba)高(gao)度(du)為760米(mi)。平(ping)川(chuan)面(mian)積為393平(ping)方(fang)公里(li),占(zhan)(zhan)總(zong)(zong)面(mian)積的(de)(de)(de)45.46.主(zhu)要集中(zhong)在(zai)中(zhong)西部(bu)的(de)(de)(de)滹沱河(he)(he)水系沖積扇上(shang),地(di)(di)勢由西向(xiang)東(dong)傾(qing)斜,海(hai)(hai)(hai)(hai)拔(ba)高(gao)度(du)為740—770米(mi);丘(qiu)陵(ling)面(mian)積為105平(ping)方(fang)公里(li),占(zhan)(zhan)總(zong)(zong)面(mian)積的(de)(de)(de)12.17%,主(zhu)要分(fen)布(bu)在(zai)南王、蔣村、河(he)(he)邊、受祿等鄉(xiang)鎮(zhen)的(de)(de)(de)部(bu)分(fen)村莊,海(hai)(hai)(hai)(hai)拔(ba)高(gao)度(du)在(zai)770—1100米(mi)之間;山地(di)(di)面(mian)積為367平(ping)方(fang)公里(li),占(zhan)(zhan)總(zong)(zong)面(mian)積的(de)(de)(de)42.37%,海(hai)(hai)(hai)(hai)拔(ba)高(gao)度(du)在(zai)1100米(mi)以上(shang),基(ji)本沒有成片適宜農業生產(chan)的(de)(de)(de)耕地(di)(di)。
2.土(tu)(tu)壤(rang)情況全(quan)縣(xian)(xian)可耕地(di)面積(ji)53.1萬(wan)畝,其中:水澆地(di)面積(ji)30.03萬(wan)畝,保澆地(di)面積(ji)17萬(wan)畝。人均耕地(di)面積(ji)不(bu)足2.5畝。全(quan)縣(xian)(xian)耕地(di)土(tu)(tu)壤(rang)主要是褐土(tu)(tu)、潮土(tu)(tu)二(er)個土(tu)(tu)類,其中:褐土(tu)(tu)占(zhan)70.22%,主要分布在(zai)(zai)山區、丘陵高階地(di)及(ji)(ji)部(bu)分平(ping)川二(er)級階地(di),海拔在(zai)(zai)770米(mi)以上(shang);潮土(tu)(tu)占(zhan)29.67%,主要分布在(zai)(zai)滹沱河(he)、牧(mu)馬河(he)、同(tong)河(he)、云中河(he)河(he)漫灘、全(quan)部(bu)一級階地(di)及(ji)(ji)部(bu)分平(ping)川二(er)級階地(di),海拔在(zai)(zai)760米(mi)以下。全(quan)縣(xian)(xian)土(tu)(tu)壤(rang)養分狀況為(wei)(wei):有機質3.7—25.6g/kg,均值(zhi)(zhi)為(wei)(wei)11.4g/kg;全(quan)氮0.15—1.14g/kg,均值(zhi)(zhi)為(wei)(wei)0.64g/kg;有效(xiao)磷(lin)0.23—30.7mg/kg,均值(zhi)(zhi)為(wei)(wei)5.96mg/kg;速效(xiao)鉀29—265mg/kg,均值(zhi)(zhi)為(wei)(wei)121.12mg/kg。大部(bu)分屬三級以上(shang)耕地(di),非常(chang)適(shi)宜甜瓜生長。
3.水(shui)文地(di)(di)質情況:定襄處于忻定盆地(di)(di)的東(dong)(dong)部,為(wei)(wei)(wei)半封閉(bi)式斷陷(xian)盆地(di)(di),南(nan)、東(dong)(dong)、北三面(mian)(mian)基巖裸露,除南(nan)面(mian)(mian)系舟山(shan)(shan)一帶為(wei)(wei)(wei)石灰巖結構外,其(qi)余地(di)(di)層為(wei)(wei)(wei)片麻巖,石英巖、變質巖及少量(liang)(liang)結晶白云巖、砂質巖地(di)(di)帶,盆地(di)(di)中心為(wei)(wei)(wei)第四(si)紀松(song)散沉積(ji)物(wu)。滹沱河(he)(he)是徑本縣的最大干(gan)流(liu)(liu)(liu),其(qi)次,牧馬河(he)(he)、云中河(he)(he)、同河(he)(he)均(jun)(jun)為(wei)(wei)(wei)季(ji)節(jie)性河(he)(he)流(liu)(liu)(liu),其(qi)水(shui)源主要由降(jiang)(jiang)雨補給,也是地(di)(di)表水(shui)唯一排(pai)泄的通路,夏季(ji)流(liu)(liu)(liu)量(liang)(liang)大,冬春季(ji)流(liu)(liu)(liu)量(liang)(liang)小,有(you)時干(gan)涸而斷流(liu)(liu)(liu)。全(quan)縣總的氣候為(wei)(wei)(wei)半干(gan)旱(han)地(di)(di)區(qu)(qu)(qu)。根據地(di)(di)區(qu)(qu)(qu)條件可分(fen)為(wei)(wei)(wei)平(ping)川溫和(he)少雨區(qu)(qu)(qu),東(dong)(dong)峪河(he)(he)谷溫暖(nuan)雨量(liang)(liang)較(jiao)(jiao)(jiao)多(duo)區(qu)(qu)(qu),半坡陰涼干(gan)旱(han)區(qu)(qu)(qu),山(shan)(shan)地(di)(di)寒冷地(di)(di)區(qu)(qu)(qu)。縣內多(duo)年平(ping)均(jun)(jun)降(jiang)(jiang)水(shui)量(liang)(liang)為(wei)(wei)(wei)3.637億(yi)(yi)(yi)立(li)方(fang)米(mi)(mi)(mi)(降(jiang)(jiang)水(shui)深為(wei)(wei)(wei)430毫(hao)米(mi)(mi)(mi)),其(qi)中東(dong)(dong)峪河(he)(he)谷溫暖(nuan)雨量(liang)(liang)較(jiao)(jiao)(jiao)多(duo)區(qu)(qu)(qu)為(wei)(wei)(wei)0.458億(yi)(yi)(yi)立(li)方(fang)米(mi)(mi)(mi)(降(jiang)(jiang)水(shui)深為(wei)(wei)(wei)450毫(hao)米(mi)(mi)(mi))。山(shan)(shan)地(di)(di)寒冷多(duo)雨區(qu)(qu)(qu)為(wei)(wei)(wei)1.261億(yi)(yi)(yi)立(li)方(fang)米(mi)(mi)(mi)(降(jiang)(jiang)水(shui)深為(wei)(wei)(wei)490毫(hao)米(mi)(mi)(mi))。受地(di)(di)形(xing)因(yin)素的影響,降(jiang)(jiang)水(shui)分(fen)布(bu)自(zi)扇(shan)形(xing)山(shan)(shan)地(di)(di)到東(dong)(dong)峪較(jiao)(jiao)(jiao)多(duo)區(qu)(qu)(qu)為(wei)(wei)(wei)410—490毫(hao)米(mi)(mi)(mi)。全(quan)縣地(di)(di)面(mian)(mian)徑流(liu)(liu)(liu)平(ping)均(jun)(jun)為(wei)(wei)(wei)0.292億(yi)(yi)(yi)立(li)方(fang)米(mi)(mi)(mi),四(si)條河(he)(he)流(liu)(liu)(liu)正(zheng)常年來水(shui)量(liang)(liang)為(wei)(wei)(wei)7.67億(yi)(yi)(yi)立(li)方(fang)米(mi)(mi)(mi),其(qi)中滹沱河(he)(he)為(wei)(wei)(wei)6.3億(yi)(yi)(yi)立(li)方(fang)米(mi)(mi)(mi),同河(he)(he)0.13億(yi)(yi)(yi)立(li)方(fang)米(mi)(mi)(mi),云中河(he)(he)0.59億(yi)(yi)(yi)立(li)方(fang)米(mi)(mi)(mi),牧馬河(he)(he)0.65億(yi)(yi)(yi)立(li)方(fang)米(mi)(mi)(mi),均(jun)(jun)為(wei)(wei)(wei)季(ji)節(jie)河(he)(he),每年枯水(shui)期為(wei)(wei)(wei)2—3個月(yue)。水(shui)資(zi)源較(jiao)(jiao)(jiao)豐富,利用河(he)(he)水(shui)自(zi)流(liu)(liu)(liu)灌溉和(he)開采地(di)(di)下(xia)水(shui)資(zi)源均(jun)(jun)較(jiao)(jiao)(jiao)方(fang)便(bian),適宜種(zhong)植甜(tian)瓜。
4.氣(qi)候(hou)(hou)情(qing)況(kuang):縣域境內(nei)氣(qi)候(hou)(hou)屬溫帶大陸性氣(qi)候(hou)(hou),四季分明,年(nian)(nian)(nian)降水量400—500mm,均值為433㎜,年(nian)(nian)(nian)平均蒸(zheng)發量1448.7㎜,年(nian)(nian)(nian)平均氣(qi)溫8.7℃,年(nian)(nian)(nian)≥10℃的(de)積溫是3197.1℃,無霜期158天(tian)左右(you),年(nian)(nian)(nian)日照時(shi)數達2734.6小時(shi),年(nian)(nian)(nian)太陽輻射總量為135.9千卡(ka)/平方(fang)厘米,氣(qi)候(hou)(hou)特(te)點(dian)適(shi)宜(yi)農作物生長和養分積累。
三.地域范圍
定襄(xiang)縣地處山(shan)(shan)西(xi)省北(bei)(bei)中部,位(wei)于忻定盆地東(dong)側,東(dong)鄰五臺縣,南毗(pi)盂縣、陽曲縣,西(xi)接忻府(fu)區,北(bei)(bei)與(yu)原(yuan)平市(shi)接壤,是一(yi)個典型的農業資源大縣,地理坐(zuo)標(biao)(biao):東(dong)徑112°39′15″—113°16′50″,北(bei)(bei)緯38°19′22″—38°40′15″縣域面積865平方公里,定襄(xiang)甜瓜地理標(biao)(biao)志產品保護(hu)范(fan)圍為山(shan)(shan)西(xi)省忻州市(shi)定襄(xiang)縣境內的受祿鄉(xiang)、季莊鄉(xiang)、宏道鎮、河(he)邊鎮、蔣村(cun)鄉(xiang)、晉(jin)昌鎮、神山(shan)(shan)鄉(xiang)南王鄉(xiang)、楊芳鄉(xiang)9個鄉(xiang)鎮155個行政村(cun)。近幾(ji)年(nian)甜瓜種植面積保持在600公頃以上,年(nian)總產13000——15000噸(dun)。
四.產(chan)品品質特性特征(zheng)
1.外在感官(guan)特征。定襄(xiang)甜瓜(gua)根系發(fa)達,主根深達1米以上,側根分(fen)布直徑2米--3米。莖圓(yuan)形(xing)(xing),有棱,被短刺毛(mao),分(fen)枝性(xing)強。單葉互生(sheng),葉片近圓(yuan)形(xing)(xing)或腎形(xing)(xing),被毛(mao)。花(hua)腋生(sheng),單性(xing)或兩性(xing),蟲媒花(hua),花(hua)卉為黃色(se)(se)。果(guo)實有圓(yuan)球(qiu)(qiu)、橢圓(yuan)球(qiu)(qiu)、長筒(tong)等形(xing)(xing)狀,成熟(shu)的果(guo)皮有白、綠(lv)、黃、褐色(se)(se)或附有各(ge)色(se)(se)條紋和(he)斑點(dian)。果(guo)表(biao)光滑(hua),果(guo)肉有白、桔紅(hong)、綠(lv)黃等色(se)(se),具香(xiang)氣。種(zhong)子披針形(xing)(xing)或扁圓(yuan)形(xing)(xing),大小各(ge)異。
2.內在品質特征(zheng)。定襄甜(tian)(tian)瓜(gua)瓜(gua)香濃郁,甘甜(tian)(tian)爽口(kou),色澤(ze)鮮艷、消熱解(jie)暑(shu),清煩止渴(ke)、營養健康。內含成份:水分(fen)91.6g/100g;可溶性固形(xing)物11.4g/100g;碳水化合物6.4g/100g;鈣6.0mg/100g;維生素C16.8mg/100g;蛋白質0.74g/100g;氨基酸總量0.73g/100g;甜(tian)(tian)瓜(gua)果肉味甘,性寒無毒,清熱利尿、止渴(ke),可治暑(shu)熱、發燒、口(kou)渴(ke)、小便(bian)不(bu)利、口(kou)鼻生瘡。種子(zi)散結消瘀(yu)、清肺化瘀(yu)、潤腸、排(pai)膿,治腹內結聚、大便(bian)不(bu)暢。
3.質(zhi)量(liang)安(an)全規定。產(chan)地(di)環(huan)境符合《NY5294-2004無公(gong)害(hai)食品(pin)設施蔬菜產(chan)地(di)環(huan)境條件》,產(chan)品(pin)質(zhi)量(liang)符合《NY5109-2005無公(gong)害(hai)食品(pin)西(xi)甜瓜》等技術規范(fan)要(yao)求,使產(chan)品(pin)達到安(an)全、營養、無污(wu)染。
五.特定生產方式(shi)
1.品(pin)(pin)種(zhong)選擇選擇肉質甜脆,香(xiang)味(wei)濃郁(yu),品(pin)(pin)質上佳,商品(pin)(pin)性(xing)好的薄(bo)皮系列品(pin)(pin)種(zhong)。如:甜妃(fei)、皇帝(di)(di)、真香(xiang)蜜(mi)、白帝(di)(di)等。
2.育苗
(1)種(zhong)子處(chu)理(li)播種(zhong)前1-2d,選晴天(tian)曬種(zhong),注(zhu)意(yi)不要(yao)燙(tang)壞(huai)種(zhong)子,并經常翻動,可起到打破休眠,增強種(zhong)子活力的作用(yong)。曬好后(hou)(hou)用(yong)55 ℃溫水(shui)浸泡(pao)15min,不斷攪拌至水(shui)溫為30℃時,再浸泡(pao)3 -4 h,然(ran)后(hou)(hou)清(qing)洗干(gan)凈用(yong)濕布包好,放到28℃-30℃的環境下催芽,一般12小時即可出芽。
(2)播種育(yu)苗定(ding)襄縣(xian)移動大棚一般在3月(yue)上旬(xun)播種(3月(yue)10日),4月(yue)上旬(xun)移栽,苗齡30d-35d。
3.定植
(1)整地扣棚選擇土壤肥(fei)沃排水良好(hao)的壤土,施(shi)足底肥(fei)進行(xing)深翻(fan),一般結合(he)深翻(fan)畝施(shi)腐熟的優質有機(ji)肥(fei)5000公(gong)斤(jin)左右,三元復合(he)肥(fei)40-50公(gong)斤(jin)。將土壤與肥(fei)料耙平混合(he)后(hou),按1.1米(mi)的行(xing)距起壟(long),壟(long)高(gao)20厘米(mi),起壟(long)后(hou)鋪一層地膜,然后(hou)將支(zhi)架插好(hao),扣上(shang)棚膜,進行(xing)溫地。
(2)定(ding)植(zhi)(zhi)在4月(yue)15日左(zuo)右定(ding)植(zhi)(zhi),在膜上打孔(kong),將秧苗放入定(ding)植(zhi)(zhi)穴內,用水壺澆水,待水滲透后用土(tu)封(feng)嚴,一般畝定(ding)植(zhi)(zhi)2300—2500株。
4.定植后管理
(1)溫度(du)(du)(du)管(guan)理(li)緩(huan)苗期溫度(du)(du)(du)應在(zai)白天(tian)30℃-35℃,夜(ye)間不(bu)低于(yu)15℃,緩(huan)苗期5—7天(tian),一(yi)般不(bu)放風(feng),緩(huan)苗后溫度(du)(du)(du)應控制(zhi)在(zai)白天(tian)25℃—30℃,夜(ye)間不(bu)低于(yu)12℃,以利于(yu)壯(zhuang)秧。
(2)肥水(shui)(shui)(shui)(shui)(shui)管理(li)定(ding)(ding)植后(hou)(hou)7-10天(tian)澆(jiao)(jiao)一(yi)(yi)次緩苗水(shui)(shui)(shui)(shui)(shui),一(yi)(yi)直(zhi)到開(kai)花不(bu)澆(jiao)(jiao)水(shui)(shui)(shui)(shui)(shui),在第一(yi)(yi)茬瓜(gua)坐定(ding)(ding)后(hou)(hou),長到雞蛋大(da)時,再澆(jiao)(jiao)水(shui)(shui)(shui)(shui)(shui),隨水(shui)(shui)(shui)(shui)(shui)追肥,一(yi)(yi)般畝追三(san)元復(fu)合肥30公斤(jin),當瓜(gua)停止膨(peng)大(da)時,要澆(jiao)(jiao)一(yi)(yi)次大(da)水(shui)(shui)(shui)(shui)(shui),以后(hou)(hou)停止澆(jiao)(jiao)水(shui)(shui)(shui)(shui)(shui),一(yi)(yi)直(zhi)到成熟。
(3)病(bing)蟲害防(fang)治甜瓜在生長過(guo)程中主要(yao)病(bing)蟲害為白粉病(bing)、蚜(ya)(ya)蟲。白粉病(bing)用(yong)50%甲基(ji)硫菌(jun)屢可(ke)濕性(xing)粉劑1000倍液噴霧(wu)防(fang)治,蚜(ya)(ya)蟲用(yong)10%吡蟲啉可(ke)濕性(xing)粉劑2000倍液防(fang)治。
5.采(cai)收(shou)(shou)6月中旬開始(shi)采(cai)收(shou)(shou),當(dang)甜(tian)瓜的(de)表皮亮度(du)好,色澤改變,有(you)褪毛現(xian)象時,即成熟(shu)。一般散(san)發出(chu)香(xiang)味,即可采(cai)收(shou)(shou)。