芒果视频下载

羅(luo)(luo)田(tian)(tian)甜(tian)(tian)(tian)柿(shi)，指中(zhong)國湖(hu)北省大別(bie)山區羅(luo)(luo)田(tian)(tian)縣產的甜(tian)(tian)(tian)柿(shi)，是(shi)中(zhong)國地(di)理標志產品。羅(luo)(luo)田(tian)(tian)為"中(zhong)國甜(tian)(tian)(tian)柿(shi)之鄉"。羅(luo)(luo)田(tian)(tian)甜(tian)(tian)(tian)柿(shi)是(shi)世界唯一自然脫澀的甜(tian)(tian)(tian)柿(shi)品種(zhong)，秋天成熟后，不(bu)需加工(gong)，可直接食(shi)用。羅(luo)(luo)田(tian)(tian)縣三(san)里(li)畈鎮鏨字石村出產的甜(tian)(tian)(tian)柿(shi)更(geng)是(shi)珍品，其特點(dian)是(shi)個大色艷，身圓底(di)方，皮薄肉厚，甜(tian)(tian)(tian)脆(cui)可口。別(bie)的地(di)方出產的甜(tian)(tian)(tian)柿(shi)一般有籽(zi)(zi)粒八顆(ke)以上，而鏨子石甜(tian)(tian)(tian)柿(shi)不(bu)超過三(san)顆(ke)籽(zi)(zi)，所(suo)以既方便食(shi)用，更(geng)方便加工(gong)。

產地環境

羅田縣位于(yu)大(da)(da)別山南麓，總面積(ji)321萬畝，屬亞(ya)熱帶(dai)季風區(qu)，氣(qi)候(hou)溫和，陽光充足(zu)，雨(yu)量充沛，光水熱同步，自(zi)然(ran)條件(jian)(jian)很好。年平(ping)(ping)均溫度(du)16.4℃，降(jiang)雨(yu)量1300-1600毫(hao)米，無(wu)霜(shuang)期(qi)181-231天(tian)，極(ji)為(wei)適宜甜(tian)(tian)柿(shi)(shi)(shi)(shi)(shi)生長(chang)(chang)(chang)發育要求。羅田不僅具有(you)(you)適宜甜(tian)(tian)柿(shi)(shi)(shi)(shi)(shi)生長(chang)(chang)(chang)發育的(de)(de)基本氣(qi)候(hou)條件(jian)(jian)，而且由(you)于(yu)地勢(shi)、地形、地貌和森林(lin)(lin)植(zhi)(zhi)被(bei)的(de)(de)自(zi)然(ran)調(diao)節作用(yong)，形成更具獨特優勢(shi)的(de)(de)區(qu)域(yu)環境(jing)。一(yi)是地勢(shi)北高(gao)南低，對(dui)(dui)氣(qi)候(hou)資(zi)源可以進行再分(fen)配，自(zi)行調(diao)節，使甜(tian)(tian)柿(shi)(shi)(shi)(shi)(shi)生長(chang)(chang)(chang)發育期(qi)內溫室(shi)巨變較(jiao)小(xiao)。二(er)是地形地貌差(cha)(cha)異大(da)(da)，小(xiao)氣(qi)候(hou)小(xiao)環境(jing)較(jiao)多，適宜栽植(zhi)(zhi)甜(tian)(tian)柿(shi)(shi)(shi)(shi)(shi)的(de)(de)面積(ji)大(da)(da)。三是森林(lin)(lin)覆蓋率高(gao)，達到68.8%，植(zhi)(zhi)被(bei)條件(jian)(jian)好，自(zi)然(ran)生態優良，對(dui)(dui)提高(gao)甜(tian)(tian)柿(shi)(shi)(shi)(shi)(shi)果(guo)(guo)實(shi)光澤，降(jiang)低果(guo)(guo)皮厚度(du)都(dou)十分(fen)有(you)(you)利(li)。四是晝夜溫差(cha)(cha)大(da)(da)，有(you)(you)利(li)于(yu)果(guo)(guo)實(shi)的(de)(de)形成。羅田柿(shi)(shi)(shi)(shi)(shi)產(chan)區(qu)溫差(cha)(cha)比(bi)平(ping)(ping)原(yuan)地區(qu)要大(da)(da)，甜(tian)(tian)柿(shi)(shi)(shi)(shi)(shi)果(guo)(guo)實(shi)膨(peng)大(da)(da)成熟(shu)期(qi)為(wei)7-9月，其晝夜溫差(cha)(cha)一(yi)般(ban)都(dou)在10℃以上，比(bi)平(ping)(ping)原(yuan)大(da)(da)4℃以上，這對(dui)(dui)柿(shi)(shi)(shi)(shi)(shi)果(guo)(guo)糖(tang)分(fen)轉化(hua)和營養積(ji)累極(ji)為(wei)有(you)(you)利(li)，是羅田甜(tian)(tian)柿(shi)(shi)(shi)(shi)(shi)品質優良、味道鮮美的(de)(de)一(yi)個重要原(yuan)因。五是土(tu)(tu)壤適宜甜(tian)(tian)柿(shi)(shi)(shi)(shi)(shi)生長(chang)(chang)(chang)，羅田土(tu)(tu)壤多為(wei)片(pian)麻(ma)巖風化(hua)形成的(de)(de)沙壤土(tu)(tu)，透水、通(tong)氣(qi)性(xing)(xing)(xing)能良好，微酸性(xing)(xing)(xing)和中性(xing)(xing)(xing)，有(you)(you)利(li)于(yu)柿(shi)(shi)(shi)(shi)(shi)樹根系(xi)生長(chang)(chang)(chang)，柿(shi)(shi)(shi)(shi)(shi)樹壽(shou)命長(chang)(chang)(chang)，盛果(guo)(guo)期(qi)長(chang)(chang)(chang)，豐產(chan)性(xing)(xing)(xing)好。

主要品種

羅田(tian)甜(tian)(tian)柿(shi)(shi)(shi)是羅田(tian)當地(di)原生(sheng)(sheng)(sheng)(sheng)甜(tian)(tian)柿(shi)(shi)(shi)品(pin)(pin)(pin)(pin)種(zhong)(zhong)的(de)總稱，在(zai)(zai)長(chang)期的(de)自然變異進化和人(ren)工栽培(pei)(pei)選擇過程中，逐(zhu)漸形成了很(hen)多(duo)各具(ju)特(te)(te)色(se)的(de)優(you)良(liang)品(pin)(pin)(pin)(pin)種(zhong)(zhong)。具(ju)有栽培(pei)(pei)價(jia)值的(de)地(di)方品(pin)(pin)(pin)(pin)種(zhong)(zhong)有20多(duo)個(ge)，大(da)、中、小果(guo)(guo)型品(pin)(pin)(pin)(pin)種(zhong)(zhong)和早(zao)、中、晚熟品(pin)(pin)(pin)(pin)種(zhong)(zhong)兼備，還有育苗采籽專用品(pin)(pin)(pin)(pin)種(zhong)(zhong)和單(dan)雄性(xing)授粉樹(shu)品(pin)(pin)(pin)(pin)種(zhong)(zhong)，品(pin)(pin)(pin)(pin)種(zhong)(zhong)資(zi)源極為(wei)豐(feng)(feng)富，其主(zhu)要品(pin)(pin)(pin)(pin)種(zhong)(zhong)有:羅田(tian)甜(tian)(tian)柿(shi)(shi)(shi)、秋焰甜(tian)(tian)柿(shi)(shi)(shi)(寶(bao)華、鄂柿(shi)(shi)(shi)1號、陰陽柿(shi)(shi)(shi))、寶(bao)蓋甜(tian)(tian)柿(shi)(shi)(shi)、四方甜(tian)(tian)柿(shi)(shi)(shi)、小果(guo)(guo)甜(tian)(tian)柿(shi)(shi)(shi)、龍爪柿(shi)(shi)(shi)、金秋甜(tian)(tian)柿(shi)(shi)(shi)、蜜糖(tang)柿(shi)(shi)(shi)。這些品(pin)(pin)(pin)(pin)種(zhong)(zhong)的(de)共同特(te)(te)點是果(guo)(guo)實含(han)有可溶(rong)性(xing)單(dan)寧(ning)低，不需人(ren)工脫澀，不復生(sheng)(sheng)(sheng)(sheng)返澀;果(guo)(guo)皮薄，皮色(se)橙(cheng)紅(hong)光亮(liang)，外(wai)表美觀亮(liang)麗;果(guo)(guo)肉甜(tian)(tian)脆(cui)細膩，含(han)糖(tang)量在(zai)(zai)17-26%之(zhi)間(jian)，味甜(tian)(tian)可口;果(guo)(guo)內(nei)無(wu)黑斑，無(wu)果(guo)(guo)心(xin);果(guo)(guo)型多(duo)為(wei)扁園，無(wu)縱溝(gou)，無(wu)縊痕(hen)。此(ci)外(wai)，羅田(tian)甜(tian)(tian)柿(shi)(shi)(shi)生(sheng)(sheng)(sheng)(sheng)長(chang)勢很(hen)強，分(fen)枝能(neng)力很(hen)旺，樹(shu)冠形成快，側(ce)枝分(fen)生(sheng)(sheng)(sheng)(sheng)多(duo)，葉(xie)片肥大(da)，葉(xie)色(se)濃綠，葉(xie)肉厚實，光合作用能(neng)力強，結實早(zao)，豐(feng)(feng)產性(xing)能(neng)好(hao)，根(gen)(gen)系發達，主(zhu)根(gen)(gen)較深，側(ce)根(gen)(gen)特(te)(te)別長(chang)，一(yi)般側(ce)根(gen)(gen)為(wei)樹(shu)冠的(de)2倍，有的(de)散生(sheng)(sheng)(sheng)(sheng)大(da)樹(shu)側(ce)根(gen)(gen)可達樹(shu)冠的(de)6-7倍。由(you)于(yu)根(gen)(gen)系發達，生(sheng)(sheng)(sheng)(sheng)長(chang)旺盛(sheng)，因而羅田(tian)甜(tian)(tian)柿(shi)(shi)(shi)抗逆性(xing)強，耐(nai)瘠、耐(nai)旱(han)、耐(nai)漬(zi)、耐(nai)寒，病蟲害少(shao)，適應性(xing)廣，生(sheng)(sheng)(sheng)(sheng)長(chang)壽命長(chang)，盛(sheng)果(guo)(guo)期也(ye)很(hen)長(chang)。根(gen)(gen)據資(zi)料記(ji)載和羅田(tian)林業部(bu)門調查，一(yi)般壽命多(duo)在(zai)(zai)400年左右，盛(sheng)果(guo)(guo)期約(yue)在(zai)(zai)100年以上(shang)。這些豐(feng)(feng)富的(de)品(pin)(pin)(pin)(pin)種(zhong)(zhong)資(zi)源，是羅田(tian)縣發展(zhan)羅田(tian)甜(tian)(tian)柿(shi)(shi)(shi)的(de)獨有優(you)勢和重要物質(zhi)基礎。