芒果视频下载

羅(luo)田(tian)(tian)(tian)甜(tian)(tian)(tian)柿(shi)，指中國湖北省(sheng)大別山(shan)區羅(luo)田(tian)(tian)(tian)縣(xian)產(chan)的(de)(de)甜(tian)(tian)(tian)柿(shi)，是中國地理標志產(chan)品。羅(luo)田(tian)(tian)(tian)為(wei)"中國甜(tian)(tian)(tian)柿(shi)之(zhi)鄉(xiang)"。羅(luo)田(tian)(tian)(tian)甜(tian)(tian)(tian)柿(shi)是世(shi)界唯(wei)一(yi)自然脫澀的(de)(de)甜(tian)(tian)(tian)柿(shi)品種，秋(qiu)天成熟后，不需(xu)加(jia)工，可直接食用。羅(luo)田(tian)(tian)(tian)縣(xian)三(san)里畈鎮(zhen)鏨字石村出產(chan)的(de)(de)甜(tian)(tian)(tian)柿(shi)更是珍品，其特點(dian)是個(ge)大色艷，身圓底方(fang)，皮薄肉厚，甜(tian)(tian)(tian)脆可口(kou)。別的(de)(de)地方(fang)出產(chan)的(de)(de)甜(tian)(tian)(tian)柿(shi)一(yi)般有籽粒八(ba)顆以(yi)上(shang)，而(er)鏨子石甜(tian)(tian)(tian)柿(shi)不超過三(san)顆籽，所以(yi)既(ji)方(fang)便食用，更方(fang)便加(jia)工。

產地環境

羅田(tian)縣(xian)位于(yu)大別山南麓，總面積321萬畝，屬亞熱帶季風區(qu)，氣候溫和(he)，陽(yang)光(guang)充足，雨(yu)量充沛(pei)，光(guang)水熱同步，自(zi)然條(tiao)件很好。年平(ping)均溫度16.4℃，降雨(yu)量1300-1600毫米(mi)，無霜期181-231天，極(ji)為適宜(yi)(yi)甜柿(shi)(shi)(shi)(shi)(shi)(shi)生(sheng)(sheng)長(chang)(chang)發(fa)育要求。羅田(tian)不僅具有(you)(you)適宜(yi)(yi)甜柿(shi)(shi)(shi)(shi)(shi)(shi)生(sheng)(sheng)長(chang)(chang)發(fa)育的基本氣候條(tiao)件，而且由于(yu)地(di)(di)勢、地(di)(di)形(xing)(xing)、地(di)(di)貌和(he)森(sen)林(lin)植(zhi)被(bei)的自(zi)然調節(jie)作(zuo)用，形(xing)(xing)成(cheng)更具獨特優勢的區(qu)域環境。一是(shi)地(di)(di)勢北高(gao)(gao)南低，對(dui)(dui)氣候資(zi)源可以(yi)進(jin)行再分配，自(zi)行調節(jie)，使(shi)甜柿(shi)(shi)(shi)(shi)(shi)(shi)生(sheng)(sheng)長(chang)(chang)發(fa)育期內溫室巨變較小。二(er)是(shi)地(di)(di)形(xing)(xing)地(di)(di)貌差(cha)異大，小氣候小環境較多，適宜(yi)(yi)栽植(zhi)甜柿(shi)(shi)(shi)(shi)(shi)(shi)的面積大。三是(shi)森(sen)林(lin)覆蓋(gai)率高(gao)(gao)，達到(dao)68.8%，植(zhi)被(bei)條(tiao)件好，自(zi)然生(sheng)(sheng)態優良，對(dui)(dui)提高(gao)(gao)甜柿(shi)(shi)(shi)(shi)(shi)(shi)果實(shi)光(guang)澤(ze)，降低果皮(pi)厚度都十分有(you)(you)利(li)。四是(shi)晝(zhou)夜(ye)溫差(cha)大，有(you)(you)利(li)于(yu)果實(shi)的形(xing)(xing)成(cheng)。羅田(tian)柿(shi)(shi)(shi)(shi)(shi)(shi)產區(qu)溫差(cha)比平(ping)原(yuan)地(di)(di)區(qu)要大，甜柿(shi)(shi)(shi)(shi)(shi)(shi)果實(shi)膨大成(cheng)熟(shu)期為7-9月，其(qi)晝(zhou)夜(ye)溫差(cha)一般都在10℃以(yi)上，比平(ping)原(yuan)大4℃以(yi)上，這對(dui)(dui)柿(shi)(shi)(shi)(shi)(shi)(shi)果糖分轉化(hua)和(he)營(ying)養積累極(ji)為有(you)(you)利(li)，是(shi)羅田(tian)甜柿(shi)(shi)(shi)(shi)(shi)(shi)品(pin)質優良、味道鮮美(mei)的一個(ge)重要原(yuan)因。五是(shi)土(tu)壤適宜(yi)(yi)甜柿(shi)(shi)(shi)(shi)(shi)(shi)生(sheng)(sheng)長(chang)(chang)，羅田(tian)土(tu)壤多為片麻(ma)巖風化(hua)形(xing)(xing)成(cheng)的沙壤土(tu)，透水、通氣性能良好，微酸性和(he)中性，有(you)(you)利(li)于(yu)柿(shi)(shi)(shi)(shi)(shi)(shi)樹根系生(sheng)(sheng)長(chang)(chang)，柿(shi)(shi)(shi)(shi)(shi)(shi)樹壽命長(chang)(chang)，盛(sheng)果期長(chang)(chang)，豐產性好。

主要品種

羅(luo)(luo)田(tian)甜(tian)(tian)(tian)柿(shi)(shi)(shi)(shi)(shi)(shi)是羅(luo)(luo)田(tian)當地原生(sheng)(sheng)(sheng)(sheng)甜(tian)(tian)(tian)柿(shi)(shi)(shi)(shi)(shi)(shi)品(pin)(pin)(pin)種(zhong)的(de)總稱，在(zai)(zai)長(chang)(chang)(chang)期的(de)自然變異進(jin)化(hua)和(he)人工栽培選擇過程中(zhong)(zhong)，逐漸形(xing)成(cheng)了很多(duo)各具特(te)色的(de)優良品(pin)(pin)(pin)種(zhong)。具有栽培價值的(de)地方(fang)(fang)品(pin)(pin)(pin)種(zhong)有20多(duo)個，大、中(zhong)(zhong)、小果(guo)型(xing)品(pin)(pin)(pin)種(zhong)和(he)早(zao)、中(zhong)(zhong)、晚熟品(pin)(pin)(pin)種(zhong)兼備，還有育苗采籽專用品(pin)(pin)(pin)種(zhong)和(he)單雄性(xing)授粉樹(shu)品(pin)(pin)(pin)種(zhong)，品(pin)(pin)(pin)種(zhong)資源極(ji)為(wei)豐(feng)富，其主要品(pin)(pin)(pin)種(zhong)有:羅(luo)(luo)田(tian)甜(tian)(tian)(tian)柿(shi)(shi)(shi)(shi)(shi)(shi)、秋(qiu)焰(yan)甜(tian)(tian)(tian)柿(shi)(shi)(shi)(shi)(shi)(shi)(寶華、鄂柿(shi)(shi)(shi)(shi)(shi)(shi)1號、陰陽(yang)柿(shi)(shi)(shi)(shi)(shi)(shi))、寶蓋甜(tian)(tian)(tian)柿(shi)(shi)(shi)(shi)(shi)(shi)、四方(fang)(fang)甜(tian)(tian)(tian)柿(shi)(shi)(shi)(shi)(shi)(shi)、小果(guo)甜(tian)(tian)(tian)柿(shi)(shi)(shi)(shi)(shi)(shi)、龍爪(zhua)柿(shi)(shi)(shi)(shi)(shi)(shi)、金秋(qiu)甜(tian)(tian)(tian)柿(shi)(shi)(shi)(shi)(shi)(shi)、蜜(mi)糖柿(shi)(shi)(shi)(shi)(shi)(shi)。這(zhe)些品(pin)(pin)(pin)種(zhong)的(de)共同(tong)特(te)點是果(guo)實(shi)含有可溶性(xing)單寧低，不(bu)需(xu)人工脫澀，不(bu)復生(sheng)(sheng)(sheng)(sheng)返澀;果(guo)皮薄，皮色橙(cheng)紅光亮，外(wai)表美觀(guan)亮麗;果(guo)肉甜(tian)(tian)(tian)脆細膩(ni)，含糖量在(zai)(zai)17-26%之(zhi)間，味甜(tian)(tian)(tian)可口(kou);果(guo)內(nei)無黑斑，無果(guo)心(xin);果(guo)型(xing)多(duo)為(wei)扁(bian)園，無縱溝(gou)，無縊痕。此(ci)外(wai)，羅(luo)(luo)田(tian)甜(tian)(tian)(tian)柿(shi)(shi)(shi)(shi)(shi)(shi)生(sheng)(sheng)(sheng)(sheng)長(chang)(chang)(chang)勢很強(qiang)，分(fen)枝能(neng)力很旺(wang)，樹(shu)冠形(xing)成(cheng)快，側枝分(fen)生(sheng)(sheng)(sheng)(sheng)多(duo)，葉(xie)片(pian)肥大，葉(xie)色濃綠，葉(xie)肉厚(hou)實(shi)，光合作用能(neng)力強(qiang)，結實(shi)早(zao)，豐(feng)產性(xing)能(neng)好，根(gen)系發(fa)(fa)達，主根(gen)較深，側根(gen)特(te)別長(chang)(chang)(chang)，一(yi)般(ban)側根(gen)為(wei)樹(shu)冠的(de)2倍，有的(de)散生(sheng)(sheng)(sheng)(sheng)大樹(shu)側根(gen)可達樹(shu)冠的(de)6-7倍。由(you)于根(gen)系發(fa)(fa)達，生(sheng)(sheng)(sheng)(sheng)長(chang)(chang)(chang)旺(wang)盛，因而(er)羅(luo)(luo)田(tian)甜(tian)(tian)(tian)柿(shi)(shi)(shi)(shi)(shi)(shi)抗逆性(xing)強(qiang)，耐(nai)瘠、耐(nai)旱、耐(nai)漬、耐(nai)寒(han)，病(bing)蟲害少，適應性(xing)廣，生(sheng)(sheng)(sheng)(sheng)長(chang)(chang)(chang)壽命長(chang)(chang)(chang)，盛果(guo)期也很長(chang)(chang)(chang)。根(gen)據資料(liao)記載(zai)和(he)羅(luo)(luo)田(tian)林業部門調(diao)查，一(yi)般(ban)壽命多(duo)在(zai)(zai)400年左(zuo)右，盛果(guo)期約在(zai)(zai)100年以上。這(zhe)些豐(feng)富的(de)品(pin)(pin)(pin)種(zhong)資源，是羅(luo)(luo)田(tian)縣發(fa)(fa)展羅(luo)(luo)田(tian)甜(tian)(tian)(tian)柿(shi)(shi)(shi)(shi)(shi)(shi)的(de)獨有優勢和(he)重要物質(zhi)基(ji)礎。