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青島市甘薯新品種新技術(shù)展示觀摩會在萊西望城召開

2021-10-29 10:13:30 來源：青島市農(nóng)技中心 閱讀量：17881 評論

導(dǎo)讀：近日，由山東省薯類產(chǎn)業(yè)技術(shù)體系和青島市科技惠民示范引導(dǎo)項目支持的全市甘薯新品種新技術(shù)展示觀摩會在萊西望城鎮(zhèn)召開。

　　【農(nóng)機網(wǎng) 地方農(nóng)機】近日，由山東省薯類產(chǎn)業(yè)技術(shù)體系和青島市科技惠民示范引導(dǎo)項目支持的全市甘薯新品種新技術(shù)展示觀摩會在萊西望城鎮(zhèn)召開。觀摩會圍繞甘薯蒸烤口感品質(zhì)鑒定和新品種新技術(shù)展示觀摩兩個環(huán)節(jié)展開。全市農(nóng)技推廣系統(tǒng)、主要甘薯生產(chǎn)、加工等10余家企業(yè)、合作社、種植大戶等共30余人參加了觀摩會。
 
　　會上，對從國內(nèi)外引進的20余個甘薯品種進行了蒸、烤口感品質(zhì)對比鑒定。其中包括從日本引進的日本紫薯、瑪莎莉，非洲引進的哈密，以及國內(nèi)科研院所育成的徐紫薯8號、普薯32、煙薯25等新老品種。通過品嘗，不同甘薯品種間干面、甜糯等口感差異大，其中瑪莎莉、哈密等干面型，煙薯25、普薯32、心香等甜糯型，征服了大家的味蕾；另外歷來印象口感差的紫薯表現(xiàn)亮眼，徐紫薯8號、日本紫薯等口感已經(jīng)相當甜糯，作為富含花青素的美味紫薯大面積推廣，將給廣大消費者帶來全新的消費體驗。
 
　　在觀摩會的展示田里，品種的薯型、豐產(chǎn)性等表現(xiàn)一目了然，差異顯著。其中， 煙薯25(Y25)、普薯32(西瓜紅)、泰紫薯1號等幾個品種薯型好、商品率高，推廣潛力大；瑪莎莉收獲初期屬干面型，但貯存20天以上糖化后變甜糯，薯型好、商品率高、耐貯藏，是日系品種中綜合性狀較好的一個品種。會上，青島農(nóng)業(yè)大學(xué)隋炯明教授還介紹了脫毒苗應(yīng)用、地膜覆蓋、水肥一體化、蔓頭苗平栽、綠色生產(chǎn)等技術(shù)。其中高品質(zhì)脫毒苗與一般市面商品苗對比試驗效果明顯，從品種純度、薯型、產(chǎn)量及商品率等全方位表現(xiàn)差別極其顯著。
 
　　由于甘薯的保健功能、高產(chǎn)特性、加工增值作用日益突出，近年我市甘薯種植面積呈上升趨勢，2021年種植面積達到21.8萬畝。但是，甘薯生產(chǎn)上還廣泛存在產(chǎn)量不穩(wěn)、商品薯率低、由線蟲和病毒病引起的嚴重減產(chǎn)等問題。近年來，市農(nóng)業(yè)技術(shù)推廣中心聯(lián)合青島農(nóng)業(yè)大學(xué)甘薯專家積極開展相關(guān)技術(shù)攻關(guān)與推廣，一是積極推廣甘薯優(yōu)質(zhì)專用新品種。甘薯品種間干面、甜糯等口感、豐產(chǎn)性等差異較大，宜根據(jù)加工用途選擇適宜品種，如烤薯選用煙薯25，加工高檔薯脯可試用瑪莎莉；二是推廣甘薯高質(zhì)量脫毒苗。高質(zhì)量脫毒苗產(chǎn)量比一般市面商品苗增產(chǎn)30%至100%，薯塊薯型好、商品率最高可達70%以上。自留種減產(chǎn)嚴重，特別是病毒病重的地塊，自留種一年減半，第二年甚至絕產(chǎn)。三是推動甘薯綠色生產(chǎn)。防地下害蟲要用殘效期短、更安全的農(nóng)藥，毒死蜱雖然未禁用，但是殘效期長，不利于健康，積極推動農(nóng)戶選用殘留低、更安全的辛硫磷、噻蟲嗪等，使甘薯生產(chǎn)更加綠色健康。

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