一.產品介紹
定(ding)(ding)襄(xiang)甜瓜(gua)產(chan)于山西省(sheng)忻州市定(ding)(ding)襄(xiang)縣(xian)。甜瓜(gua)在定(ding)(ding)襄(xiang)縣(xian)栽(zai)(zai)培歷史悠久,人文積(ji)淀深厚(hou)。據(ju)現存最早(zao)的(de)定(ding)(ding)襄(xiang)縣(xian)志《雍正五(wu)年(nian)(nian)重續縣(xian)志》記載(zai),甜瓜(gua)是(shi)定(ding)(ding)襄(xiang)縣(xian)較(jiao)早(zao)的(de)物產(chan)之一,“七(qi)夕(xi)女子用瓜(gua)果盛庭(ting)中乞巧(qiao),七(qi)月十五(wu)以(yi)麻線懸各門首亭(ting)午請而祭之以(yi)瓜(gua)果紙(zhi)供薦(jian)祖塋(ying),中秋用瓜(gua)果餅豆(dou)相饋遺以(yi)助(zhu)賞(shang)月”,其中前兩種(zhong)“瓜(gua)”指的(de)即為甜瓜(gua)。據(ju)成書于上世紀90年(nian)(nian)代的(de)《定(ding)(ding)襄(xiang)縣(xian)農業資源集》介紹,甜瓜(gua)在定(ding)(ding)襄(xiang)縣(xian)較(jiao)古老的(de)栽(zai)(zai)培品種(zhong)有“燈籠(long)紅(hong)”、“蛤蟆皮”等,種(zhong)植(zhi)面(mian)積(ji)較(jiao)大,品種(zhong)較(jiao)佳,多(duo)在平(ping)川水地(di)種(zhong)植(zhi)。特別是(shi)近年(nian)(nian)來,隨著設施農業的(de)興(xing)起(qi),春早(zao)熟甜瓜(gua)品種(zhong)的(de)引進(jin),棚室甜瓜(gua)育苗技術的(de)推(tui)廣,嫁接技術的(de)突破,甜瓜(gua)種(zhong)植(zhi)面(mian)積(ji)不斷擴大,品質不斷提(ti)高,成為全省(sheng)重要(yao)的(de)甜瓜(gua)生產(chan)基(ji)地(di)。
二.自(zi)然(ran)生(sheng)態環境和(he)人(ren)文歷(li)史因素
1.地(di)(di)貌定襄縣地(di)(di)處(chu)忻(xin)定盆地(di)(di),總(zong)的(de)(de)(de)(de)地(di)(di)形特征(zheng)是:東(dong)、北(bei)南群山(shan)環繞,地(di)(di)形復(fu)雜多樣,既有(you)峰巒高(gao)聳、地(di)(di)面(mian)(mian)崎嶇的(de)(de)(de)(de)山(shan)地(di)(di),也有(you)高(gao)度(du)(du)不大,坡度(du)(du)低(di)緩(huan)的(de)(de)(de)(de)丘(qiu)陵(ling)(ling),還有(you)河(he)流沖(chong)積(ji)而成的(de)(de)(de)(de)河(he)谷(gu)平川(chuan)地(di)(di)帶,總(zong)的(de)(de)(de)(de)地(di)(di)勢(shi)是東(dong)南部(bu)(bu)(bu)高(gao),西(xi)北(bei)部(bu)(bu)(bu)低(di),由(you)(you)東(dong)南向(xiang)西(xi)北(bei)逐漸傾(qing)斜降低(di)。中西(xi)部(bu)(bu)(bu)為(wei)(wei)(wei)(wei)(wei)河(he)谷(gu)平川(chuan)地(di)(di)帶,地(di)(di)勢(shi)西(xi)高(gao)東(dong)低(di)。境(jing)內最(zui)高(gao)處(chu)為(wei)(wei)(wei)(wei)(wei)南部(bu)(bu)(bu)叢蒙(meng)山(shan)柳林(lin)尖山(shan)峰,海(hai)拔高(gao)度(du)(du)為(wei)(wei)(wei)(wei)(wei)2101.9米,中部(bu)(bu)(bu)平川(chuan)地(di)(di)區(qu)海(hai)拔為(wei)(wei)(wei)(wei)(wei)700—800米,最(zui)低(di)處(chu)是河(he)邊(bian)鎮嶺子底村(cun)河(he)谷(gu)區(qu)海(hai)拔高(gao)度(du)(du)為(wei)(wei)(wei)(wei)(wei)570米,縣城(cheng)一帶海(hai)拔高(gao)度(du)(du)為(wei)(wei)(wei)(wei)(wei)760米。平川(chuan)面(mian)(mian)積(ji)為(wei)(wei)(wei)(wei)(wei)393平方公(gong)里(li)(li),占(zhan)總(zong)面(mian)(mian)積(ji)的(de)(de)(de)(de)45.46.主要集中在中西(xi)部(bu)(bu)(bu)的(de)(de)(de)(de)滹沱河(he)水系沖(chong)積(ji)扇(shan)上(shang)(shang),地(di)(di)勢(shi)由(you)(you)西(xi)向(xiang)東(dong)傾(qing)斜,海(hai)拔高(gao)度(du)(du)為(wei)(wei)(wei)(wei)(wei)740—770米;丘(qiu)陵(ling)(ling)面(mian)(mian)積(ji)為(wei)(wei)(wei)(wei)(wei)105平方公(gong)里(li)(li),占(zhan)總(zong)面(mian)(mian)積(ji)的(de)(de)(de)(de)12.17%,主要分布在南王(wang)、蔣(jiang)村(cun)、河(he)邊(bian)、受祿等鄉(xiang)鎮的(de)(de)(de)(de)部(bu)(bu)(bu)分村(cun)莊,海(hai)拔高(gao)度(du)(du)在770—1100米之間(jian);山(shan)地(di)(di)面(mian)(mian)積(ji)為(wei)(wei)(wei)(wei)(wei)367平方公(gong)里(li)(li),占(zhan)總(zong)面(mian)(mian)積(ji)的(de)(de)(de)(de)42.37%,海(hai)拔高(gao)度(du)(du)在1100米以上(shang)(shang),基本沒有(you)成片(pian)適(shi)宜農業生產(chan)的(de)(de)(de)(de)耕地(di)(di)。
2.土(tu)壤情況(kuang)全(quan)(quan)縣可耕(geng)(geng)地(di)(di)(di)(di)面積53.1萬畝(mu)(mu),其中:水澆(jiao)地(di)(di)(di)(di)面積30.03萬畝(mu)(mu),保澆(jiao)地(di)(di)(di)(di)面積17萬畝(mu)(mu)。人(ren)均耕(geng)(geng)地(di)(di)(di)(di)面積不足2.5畝(mu)(mu)。全(quan)(quan)縣耕(geng)(geng)地(di)(di)(di)(di)土(tu)壤主(zhu)要是褐(he)土(tu)、潮(chao)土(tu)二(er)個土(tu)類,其中:褐(he)土(tu)占70.22%,主(zhu)要分(fen)布(bu)在山區、丘陵高階(jie)(jie)地(di)(di)(di)(di)及部(bu)分(fen)平川(chuan)二(er)級階(jie)(jie)地(di)(di)(di)(di),海拔在770米(mi)以(yi)上(shang);潮(chao)土(tu)占29.67%,主(zhu)要分(fen)布(bu)在滹沱河(he)(he)、牧馬河(he)(he)、同河(he)(he)、云中河(he)(he)河(he)(he)漫(man)灘、全(quan)(quan)部(bu)一級階(jie)(jie)地(di)(di)(di)(di)及部(bu)分(fen)平川(chuan)二(er)級階(jie)(jie)地(di)(di)(di)(di),海拔在760米(mi)以(yi)下。全(quan)(quan)縣土(tu)壤養(yang)分(fen)狀況(kuang)為(wei):有機質3.7—25.6g/kg,均值(zhi)為(wei)11.4g/kg;全(quan)(quan)氮0.15—1.14g/kg,均值(zhi)為(wei)0.64g/kg;有效(xiao)磷0.23—30.7mg/kg,均值(zhi)為(wei)5.96mg/kg;速效(xiao)鉀29—265mg/kg,均值(zhi)為(wei)121.12mg/kg。大(da)部(bu)分(fen)屬三級以(yi)上(shang)耕(geng)(geng)地(di)(di)(di)(di),非常適宜甜瓜生長。
3.水(shui)文(wen)地(di)(di)(di)質(zhi)情(qing)況(kuang):定(ding)襄處于忻定(ding)盆(pen)(pen)地(di)(di)(di)的(de)(de)東(dong)部,為(wei)(wei)(wei)(wei)(wei)(wei)半(ban)(ban)封閉(bi)式斷陷(xian)盆(pen)(pen)地(di)(di)(di),南、東(dong)、北三面(mian)基(ji)巖裸露,除南面(mian)系(xi)舟山一帶為(wei)(wei)(wei)(wei)(wei)(wei)石灰巖結構外,其(qi)(qi)(qi)余地(di)(di)(di)層為(wei)(wei)(wei)(wei)(wei)(wei)片麻巖,石英巖、變質(zhi)巖及少(shao)量(liang)(liang)結晶白云(yun)(yun)巖、砂質(zhi)巖地(di)(di)(di)帶,盆(pen)(pen)地(di)(di)(di)中(zhong)心為(wei)(wei)(wei)(wei)(wei)(wei)第四(si)紀松散沉積物(wu)。滹(hu)(hu)沱河(he)(he)(he)(he)(he)(he)是(shi)徑(jing)本縣(xian)的(de)(de)最(zui)大干(gan)流(liu),其(qi)(qi)(qi)次,牧馬河(he)(he)(he)(he)(he)(he)、云(yun)(yun)中(zhong)河(he)(he)(he)(he)(he)(he)、同(tong)(tong)河(he)(he)(he)(he)(he)(he)均(jun)(jun)為(wei)(wei)(wei)(wei)(wei)(wei)季節(jie)性河(he)(he)(he)(he)(he)(he)流(liu),其(qi)(qi)(qi)水(shui)源(yuan)主要由降(jiang)(jiang)(jiang)雨(yu)補給(gei),也是(shi)地(di)(di)(di)表水(shui)唯一排(pai)泄的(de)(de)通路(lu),夏季流(liu)量(liang)(liang)大,冬春季流(liu)量(liang)(liang)小,有時干(gan)涸而(er)斷流(liu)。全(quan)縣(xian)總的(de)(de)氣候為(wei)(wei)(wei)(wei)(wei)(wei)半(ban)(ban)干(gan)旱(han)地(di)(di)(di)區(qu)(qu)。根(gen)據(ju)地(di)(di)(di)區(qu)(qu)條件可分為(wei)(wei)(wei)(wei)(wei)(wei)平(ping)川溫和少(shao)雨(yu)區(qu)(qu),東(dong)峪河(he)(he)(he)(he)(he)(he)谷溫暖雨(yu)量(liang)(liang)較(jiao)多(duo)(duo)區(qu)(qu),半(ban)(ban)坡陰涼干(gan)旱(han)區(qu)(qu),山地(di)(di)(di)寒(han)(han)冷(leng)地(di)(di)(di)區(qu)(qu)。縣(xian)內多(duo)(duo)年(nian)平(ping)均(jun)(jun)降(jiang)(jiang)(jiang)水(shui)量(liang)(liang)為(wei)(wei)(wei)(wei)(wei)(wei)3.637億(yi)(yi)(yi)立(li)(li)(li)方(fang)(fang)(fang)(fang)(fang)米(mi)(mi)(mi)(降(jiang)(jiang)(jiang)水(shui)深(shen)為(wei)(wei)(wei)(wei)(wei)(wei)430毫米(mi)(mi)(mi)),其(qi)(qi)(qi)中(zhong)東(dong)峪河(he)(he)(he)(he)(he)(he)谷溫暖雨(yu)量(liang)(liang)較(jiao)多(duo)(duo)區(qu)(qu)為(wei)(wei)(wei)(wei)(wei)(wei)0.458億(yi)(yi)(yi)立(li)(li)(li)方(fang)(fang)(fang)(fang)(fang)米(mi)(mi)(mi)(降(jiang)(jiang)(jiang)水(shui)深(shen)為(wei)(wei)(wei)(wei)(wei)(wei)450毫米(mi)(mi)(mi))。山地(di)(di)(di)寒(han)(han)冷(leng)多(duo)(duo)雨(yu)區(qu)(qu)為(wei)(wei)(wei)(wei)(wei)(wei)1.261億(yi)(yi)(yi)立(li)(li)(li)方(fang)(fang)(fang)(fang)(fang)米(mi)(mi)(mi)(降(jiang)(jiang)(jiang)水(shui)深(shen)為(wei)(wei)(wei)(wei)(wei)(wei)490毫米(mi)(mi)(mi))。受地(di)(di)(di)形因素的(de)(de)影(ying)響(xiang),降(jiang)(jiang)(jiang)水(shui)分布(bu)自扇形山地(di)(di)(di)到東(dong)峪較(jiao)多(duo)(duo)區(qu)(qu)為(wei)(wei)(wei)(wei)(wei)(wei)410—490毫米(mi)(mi)(mi)。全(quan)縣(xian)地(di)(di)(di)面(mian)徑(jing)流(liu)平(ping)均(jun)(jun)為(wei)(wei)(wei)(wei)(wei)(wei)0.292億(yi)(yi)(yi)立(li)(li)(li)方(fang)(fang)(fang)(fang)(fang)米(mi)(mi)(mi),四(si)條河(he)(he)(he)(he)(he)(he)流(liu)正常年(nian)來水(shui)量(liang)(liang)為(wei)(wei)(wei)(wei)(wei)(wei)7.67億(yi)(yi)(yi)立(li)(li)(li)方(fang)(fang)(fang)(fang)(fang)米(mi)(mi)(mi),其(qi)(qi)(qi)中(zhong)滹(hu)(hu)沱河(he)(he)(he)(he)(he)(he)為(wei)(wei)(wei)(wei)(wei)(wei)6.3億(yi)(yi)(yi)立(li)(li)(li)方(fang)(fang)(fang)(fang)(fang)米(mi)(mi)(mi),同(tong)(tong)河(he)(he)(he)(he)(he)(he)0.13億(yi)(yi)(yi)立(li)(li)(li)方(fang)(fang)(fang)(fang)(fang)米(mi)(mi)(mi),云(yun)(yun)中(zhong)河(he)(he)(he)(he)(he)(he)0.59億(yi)(yi)(yi)立(li)(li)(li)方(fang)(fang)(fang)(fang)(fang)米(mi)(mi)(mi),牧馬河(he)(he)(he)(he)(he)(he)0.65億(yi)(yi)(yi)立(li)(li)(li)方(fang)(fang)(fang)(fang)(fang)米(mi)(mi)(mi),均(jun)(jun)為(wei)(wei)(wei)(wei)(wei)(wei)季節(jie)河(he)(he)(he)(he)(he)(he),每年(nian)枯水(shui)期為(wei)(wei)(wei)(wei)(wei)(wei)2—3個月。水(shui)資(zi)源(yuan)較(jiao)豐富,利(li)用河(he)(he)(he)(he)(he)(he)水(shui)自流(liu)灌溉(gai)和開采地(di)(di)(di)下水(shui)資(zi)源(yuan)均(jun)(jun)較(jiao)方(fang)(fang)(fang)(fang)(fang)便,適宜(yi)種植甜瓜。
4.氣(qi)(qi)(qi)候情況:縣域境(jing)內氣(qi)(qi)(qi)候屬溫(wen)(wen)帶(dai)大陸性氣(qi)(qi)(qi)候,四季分明,年降水(shui)量400—500mm,均(jun)(jun)值為(wei)433㎜,年平均(jun)(jun)蒸(zheng)發量1448.7㎜,年平均(jun)(jun)氣(qi)(qi)(qi)溫(wen)(wen)8.7℃,年≥10℃的積(ji)溫(wen)(wen)是3197.1℃,無霜期(qi)158天左右(you),年日(ri)照時(shi)數達2734.6小(xiao)時(shi),年太陽輻射(she)總量為(wei)135.9千(qian)卡/平方(fang)厘米,氣(qi)(qi)(qi)候特點適宜農(nong)作物(wu)生(sheng)長和養(yang)分積(ji)累。
三.地域范圍
定襄縣(xian)地(di)處(chu)山西(xi)(xi)省(sheng)北中部(bu),位于忻定盆地(di)東(dong)側,東(dong)鄰五(wu)臺縣(xian),南(nan)毗盂縣(xian)、陽(yang)曲縣(xian),西(xi)(xi)接(jie)忻府區,北與(yu)原平(ping)市接(jie)壤,是(shi)一個(ge)典(dian)型的(de)農業資(zi)源大縣(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)域面積(ji)865平(ping)方公里,定襄甜瓜地(di)理(li)標志產品保護范圍為山西(xi)(xi)省(sheng)忻州市定襄縣(xian)境(jing)內的(de)受祿鄉(xiang)(xiang)、季(ji)莊鄉(xiang)(xiang)、宏道鎮(zhen)(zhen)、河(he)邊鎮(zhen)(zhen)、蔣村鄉(xiang)(xiang)、晉昌(chang)鎮(zhen)(zhen)、神山鄉(xiang)(xiang)南(nan)王鄉(xiang)(xiang)、楊芳鄉(xiang)(xiang)9個(ge)鄉(xiang)(xiang)鎮(zhen)(zhen)155個(ge)行政村。近幾年(nian)甜瓜種(zhong)植面積(ji)保持在600公頃以上,年(nian)總產13000——15000噸。
四(si).產品(pin)品(pin)質(zhi)特(te)性特(te)征
1.外(wai)在(zai)感官特征。定(ding)襄甜瓜根系發達,主根深達1米(mi)以上,側根分(fen)布直徑2米(mi)--3米(mi)。莖圓(yuan)形,有(you)(you)(you)棱,被(bei)短刺毛(mao),分(fen)枝(zhi)性強。單葉互生,葉片近圓(yuan)形或(huo)腎形,被(bei)毛(mao)。花腋生,單性或(huo)兩性,蟲(chong)媒花,花卉為黃色。果(guo)(guo)實有(you)(you)(you)圓(yuan)球、橢(tuo)圓(yuan)球、長筒等形狀,成熟的果(guo)(guo)皮有(you)(you)(you)白、綠(lv)、黃、褐色或(huo)附(fu)有(you)(you)(you)各色條(tiao)紋和斑點。果(guo)(guo)表光滑,果(guo)(guo)肉有(you)(you)(you)白、桔紅、綠(lv)黃等色,具香氣。種(zhong)子披針形或(huo)扁圓(yuan)形,大小(xiao)各異。
2.內(nei)在品質特征。定襄(xiang)甜(tian)瓜瓜香(xiang)濃(nong)郁(yu),甘甜(tian)爽口,色澤鮮艷、消(xiao)熱(re)解暑(shu),清(qing)(qing)(qing)煩止渴、營養(yang)健(jian)康。內(nei)含成份:水(shui)分91.6g/100g;可(ke)溶性固形物(wu)11.4g/100g;碳(tan)水(shui)化合物(wu)6.4g/100g;鈣6.0mg/100g;維生(sheng)素(su)C16.8mg/100g;蛋白質0.74g/100g;氨(an)基酸(suan)總量0.73g/100g;甜(tian)瓜果肉(rou)味(wei)甘,性寒無毒(du),清(qing)(qing)(qing)熱(re)利尿、止渴,可(ke)治暑(shu)熱(re)、發(fa)燒、口渴、小便不利、口鼻生(sheng)瘡。種子散結消(xiao)瘀、清(qing)(qing)(qing)肺化瘀、潤腸、排膿(nong),治腹內(nei)結聚、大便不暢。
3.質(zhi)量安(an)全規定(ding)。產地環(huan)(huan)境(jing)符合《NY5294-2004無公(gong)害(hai)食(shi)品設(she)施蔬菜產地環(huan)(huan)境(jing)條件》,產品質(zhi)量符合《NY5109-2005無公(gong)害(hai)食(shi)品西甜瓜》等技術規范要求,使產品達(da)到安(an)全、營(ying)養、無污染。
五(wu).特定生產(chan)方式
1.品(pin)種選(xuan)擇選(xuan)擇肉(rou)質甜脆,香味濃郁,品(pin)質上(shang)佳,商品(pin)性好(hao)的薄皮(pi)系列品(pin)種。如(ru):甜妃、皇帝、真香蜜(mi)、白帝等。
2.育苗
(1)種子處理播種前1-2d,選晴(qing)天(tian)曬種,注意不要燙壞種子,并(bing)經常翻動,可(ke)起(qi)到打(da)破休(xiu)眠,增強種子活力的作用。曬好(hao)后用55 ℃溫(wen)水浸(jin)泡15min,不斷攪(jiao)拌(ban)至(zhi)水溫(wen)為30℃時,再浸(jin)泡3 -4 h,然(ran)后清洗干(gan)凈用濕布包好(hao),放到28℃-30℃的環境下(xia)催芽,一般(ban)12小時即可(ke)出(chu)芽。
(2)播種(zhong)育苗定襄縣(xian)移動大(da)棚一般在3月上(shang)旬播種(zhong)(3月10日),4月上(shang)旬移栽,苗齡30d-35d。
3.定植
(1)整地扣(kou)棚選擇(ze)土壤肥(fei)沃(wo)排水良(liang)好的壤土,施足(zu)底肥(fei)進(jin)行深(shen)翻,一(yi)般結合深(shen)翻畝施腐熟的優質有機肥(fei)5000公斤(jin)左右,三元復合肥(fei)40-50公斤(jin)。將土壤與肥(fei)料耙平混合后(hou)(hou),按(an)1.1米的行距(ju)起(qi)(qi)壟,壟高20厘米,起(qi)(qi)壟后(hou)(hou)鋪一(yi)層(ceng)地膜,然后(hou)(hou)將支架插好,扣(kou)上棚膜,進(jin)行溫地。
(2)定(ding)植(zhi)(zhi)在4月15日左右(you)定(ding)植(zhi)(zhi),在膜上打孔,將(jiang)秧苗放入定(ding)植(zhi)(zhi)穴內,用(yong)水壺澆(jiao)水,待水滲透(tou)后用(yong)土(tu)封嚴,一般畝定(ding)植(zhi)(zhi)2300—2500株(zhu)。
4.定植后管理
(1)溫(wen)度管理緩苗(miao)期(qi)溫(wen)度應在(zai)白(bai)天(tian)30℃-35℃,夜(ye)(ye)間不低(di)于15℃,緩苗(miao)期(qi)5—7天(tian),一般不放(fang)風,緩苗(miao)后溫(wen)度應控制在(zai)白(bai)天(tian)25℃—30℃,夜(ye)(ye)間不低(di)于12℃,以利于壯秧。
(2)肥水(shui)(shui)管理(li)定(ding)植后(hou)7-10天澆一(yi)次緩苗(miao)水(shui)(shui),一(yi)直到開花不澆水(shui)(shui),在(zai)第(di)一(yi)茬瓜坐定(ding)后(hou),長(chang)到雞蛋大時,再(zai)澆水(shui)(shui),隨水(shui)(shui)追(zhui)肥,一(yi)般畝追(zhui)三(san)元復(fu)合肥30公斤,當瓜停止膨大時,要(yao)澆一(yi)次大水(shui)(shui),以后(hou)停止澆水(shui)(shui),一(yi)直到成熟(shu)。
(3)病蟲(chong)(chong)(chong)害(hai)防(fang)治(zhi)甜瓜在生長過程(cheng)中(zhong)主要病蟲(chong)(chong)(chong)害(hai)為白粉(fen)病、蚜(ya)蟲(chong)(chong)(chong)。白粉(fen)病用(yong)50%甲基硫菌(jun)屢可濕(shi)性(xing)粉(fen)劑1000倍液噴霧(wu)防(fang)治(zhi),蚜(ya)蟲(chong)(chong)(chong)用(yong)10%吡(bi)蟲(chong)(chong)(chong)啉可濕(shi)性(xing)粉(fen)劑2000倍液防(fang)治(zhi)。
5.采收6月中旬開始采收,當甜(tian)瓜的表皮亮度好,色澤改變,有(you)褪毛(mao)現象時,即成熟(shu)。一般散發出香味,即可采收。