劉玉風(fēng) 徐衛(wèi)東 陸慧 袁建玉
DOI:10.13925/j.cnki.gsxb.20230430
摘? ? 要:園香妃是以紅巴拉多為母本、愛神玫瑰為父本雜交培育而成的極早熟玫瑰香型葡萄新品種。果穗大小中等,圓錐形,平均單穗質(zhì)量550 g。果粒大小較均勻,卵圓形,著生中等緊密,平均單粒質(zhì)量8.9 g。果皮紅色至紫紅色,薄,無澀味,果粉薄,果肉脆且有濃郁玫瑰香味,多汁,種子1~2粒,可溶性固形物含量(w)為21.5%。在江蘇張家港避雨栽培條件下,3月下旬萌芽,4月底至5月初開花,7月上旬成熟,從萌芽至漿果成熟需107~110 d,屬早熟品種,比夏黑(處理果)早上市12~15 d。植株生長勢較強,花芽分化好,管理較簡單,適合中國大部分葡萄產(chǎn)區(qū)種植。
關(guān)鍵詞:鮮食葡萄;新品種;園香妃;早熟
中圖分類號:S663.1 文獻標志碼:A 文章編號:1009-9980(2024)02-0353-05
A new early-ripening table grape cultivar Yuanxiangfei
LIU Yufeng1, XU Weidong1, LU Hui2, YUAN Jianyu3*
(1Zhangjiagang Shen Yuan Grape Company Limited, Zhangjiagang 215600, Jiangsu, China; 2Zhangjiagang Crop Cultivation Guidance Station, Zhangjiagang 215600, Jiangsu China; 3Zhangjiagang Agricultural Science and Technology Education Station, Zhangjiagang 215600, Jiangsu, China)
Abstract: Yuanxiangfei is a new early-maturing table grape cultivar bred by Shenyuan Grape Co., Ltd. From a cross between Red Baraldo and Eros Rose. Our original goal was to obtain a table grape with a bright red color, a precocious characteristic and a rose-scented aroma. 328 hybrid seeds were obtained through controlled artificial pollination in 2013. 154 seedlings were obtained, and 100 plants were transplanted to a research nursery in 2014. The hybrid trees started fruiting in 2016 and a promising tree with good performance as early-maturing, brightly red color, and a rose-scented aroma was selected in 2017. regional tests were conducted in Zhangjiagang and Guanyun County of Jiangsu Province, Jianshui County of Yunnan Province etc. from 2018 to 2020. It was finally named Yuanxiangfei and given new plant patent by the Ministry of Agriculture and Rural Affairs of the PRC. The top of the new shoot was semi-open, without creeping hairs, and the main vein on the back of the young leaf had no upright hairs and no creeping hairs between the main veins. The color of the back of the internodes of the new shoot was red, and the ventral side was green with red stripes, without upright hairs. The mature leaves were pentagonal, 5-lobed, with a widened petiole depression and a U-shaped base. The petiole depression was not limited by the leaf veins. The cluster was medium-sized, conical, with a weight of 450-650 g. The berrys were moderately dense, with uniform size, oval shape, red-purple peel. The everage weight of a single berry was 8.9 g. The berry powder was thin, the peel was thin and the peel and flesh were easily separated. The flesh was crispy, juicy, strongly aromatic and not astringent. Each berry contained 1-2 seed (s). The soluble solid content was 21.5%. The quality was medium to high. The plant growth potential was strong, and the hidden bud germination rate was high. The bud germination rate was 90.3%, and the fruiting branch rate was 95.1%. The flower bud differentiation was easy, and the average number of fruiting branches generated from a fruiting branch was 2.2. The natural fruit setting was fine, and fruit drop was rare. The yield should be controlled in 1200-1500 kg·666.7 m-2 to ensure good coloration. The branches were highly mature, and suitable to keep 2 buds in winter pruning. Under rain-sheltered cultivation conditions in southern Jiangsu Province, the buds bursted in late March, the flower buds bloomed in early May, and the berrys matured in early July. Under the same cultivation conditions, the berrys would mature 12-15 days earlier than Summer Black. It would be suitably cultivated in most grape-producing areas in China. It is recommended to cultivate with rain shelter in the areas with abundant rainfall, and it could be cultivated in the open field in cool areas.
Key words: Table grape; New cultivar; Yuanxiangfei; Early-ripening
中國自20世紀50年代開始鮮食葡萄的育種工作,其中雜交育種是葡萄育種的常規(guī)方法也一直是基礎(chǔ)技術(shù)手段[1]。通過長期的育種資料的積累及遺傳學(xué)理論的應(yīng)用,人們已經(jīng)掌握了葡萄的許多重要性狀如成熟期、無核性狀、果穗和果粒大小、果實和果汁顏色、含糖含酸量以及果實香味等的遺傳規(guī)律[2],并強有力地指導(dǎo)著雜交育種實踐,使所期望性狀的獲得有著最大可能。
中國主要是依靠政府部門支持從事葡萄育種工作,屬于公益性研究。如最早開始葡萄育種且持續(xù)時間最長的研究機構(gòu)中國科學(xué)院植物研究所,陸續(xù)培育了京系列鮮食葡萄品種;北京市農(nóng)林科學(xué)院林業(yè)果樹研究所培育的愛神玫瑰和4個瑞都系列品種,以及中國農(nóng)業(yè)科學(xué)院鄭州果樹研究所的鮮食品種紅艷無核等。張家港市神園葡萄科技有限公司是一家江蘇省民營企業(yè),從1999年開展葡萄雜交育種工作,經(jīng)過25年的積累,神園已建成江蘇省首家民營葡萄資源圃,通過有目的的控制花粉和選擇親本品種,累計獲得雜種苗6萬多株,陸續(xù)培育出了“園”“神”系列葡萄優(yōu)良品種(系)51個,是中國南方地區(qū)最大的優(yōu)質(zhì)葡萄新品種示范及育苗基地。
玫瑰香型、早熟、大粒等類型的葡萄品種一直是中國葡萄育種的主攻方向[3],近幾年也有很多此類優(yōu)質(zhì)新品種通過農(nóng)業(yè)農(nóng)村部的植物新品種授權(quán),如大粒早熟的寶光[4],特早熟天工翠香蜜[5]等。神園葡萄與南京農(nóng)業(yè)大學(xué)、日本植原葡萄研究所等聯(lián)合建設(shè)葡萄高效數(shù)字化育種平臺,開展早熟優(yōu)質(zhì)葡萄新品種的選育,葡萄育種效率提高一倍以上,陸續(xù)培育出了多個早熟優(yōu)質(zhì)葡萄新品種。
1 選育過程
葡萄早熟品種園香妃是以紅巴拉多[6]為母本、愛神玫瑰[7]為父本進行雜交,2013年進行去雄人工授粉雜交,當(dāng)年共收獲種子328粒,2014年播種發(fā)芽154粒,移栽至科研圃,成活100株,當(dāng)年全部上架。2016年開始結(jié)果,于2017年選出綜合表現(xiàn)優(yōu)良的原始組合編號為14-1009-10、代號為16東14-1009-10-1的單株。該單株極早熟,果實著色均勻艷麗,成熟時有明顯玫瑰香氣,果粒均勻無明顯大小粒,皮薄肉脆,表現(xiàn)優(yōu)良。當(dāng)年在江蘇張家港總部基地進行了嫁接擴繁,2018—2020年進行了DUS測試[8],2021—2022年在江蘇、云南等地進行區(qū)域試驗,該優(yōu)系產(chǎn)量和各性狀表現(xiàn)穩(wěn)定,優(yōu)于對照品種紅巴拉多,又因其香氣濃郁,色澤艷麗,將其定名為園香妃(圖1)。并在2022年獲得農(nóng)業(yè)農(nóng)村部植物新品種權(quán)證書,品種權(quán)號[CNA20184206.0]。
2 主要性狀
2.1 植物學(xué)特征
新梢梢尖半開張,無匍匐茸毛,新梢花青苷顯色強度極弱。幼葉上表面有光澤,綠色帶有紅褐斑或淺紅褐色,幼葉背面主脈上無直立茸毛,主脈間無匍匐茸毛。新梢節(jié)間背側(cè)顏色紅色,腹側(cè)顏色綠色帶紅色條紋,無直立茸毛。成齡葉片五角形,5裂,葉柄洼開張,基部U形,葉柄洼不受葉脈限制。鋸齒兩側(cè)直,上表面泡狀突起弱,正面主脈上花青苷顯色強度極弱,背面主脈上無直立茸毛,主脈間無匍匐茸毛。上裂刻中等深。
2.2 果實經(jīng)濟性狀
果穗大小中等,圓錐形,平均單穗質(zhì)量550 g。果粒大小較均勻,果粒卵圓形,著生中等緊密,平均單粒質(zhì)量8.9 g。果皮紅色至紫紅色,果粉薄,果皮薄,無澀味,果肉脆,有濃郁玫瑰香味,多汁,每果粒含種子1~2粒,可溶性固形物含量為21.5%(表1)。
2.3 生長結(jié)果習(xí)性
植株生長勢較旺,隱芽萌發(fā)力強。芽眼萌發(fā)率90.3%,結(jié)果枝率為95.1%?;ㄑ糠只?,每果枝平均著生果穗數(shù)為2.2個。自然坐果較好,不易落果。該品種為紅色品種,產(chǎn)量過高容易導(dǎo)致果穗上色緩慢或上色不均勻,影響成熟時間和果實品質(zhì)。生產(chǎn)上每666.7 m2產(chǎn)量需要控制在1200~1500 kg。
2.4 物候期
在江蘇張家港地區(qū)避雨設(shè)施栽培條件下,該品種在3月下旬萌芽,4月底至5月初開花,7月上旬成熟,從萌芽至漿果成熟需107~110 d,屬早熟品種。在同等栽培條件下,比夏黑(處理果)早上市12~15 d(表2)。該品種成熟后可以掛樹15 d左右,裂果少,落粒少,軟果少;采收后貨架期5 d,冷庫儲藏2個月內(nèi)風(fēng)味不變。
2.5 抗逆性與栽培適應(yīng)性
園香妃嫁接苗在3個區(qū)試點(江蘇漣水、張家港、云南建水)表現(xiàn)優(yōu)良,樹體健壯,成型快,結(jié)果性和產(chǎn)量均穩(wěn)定,適應(yīng)性較強。該品種較抗旱,耐高溫高濕環(huán)境;較抗黑痘病,不抗白粉病、霜霉病,在田間對炭疽病,霜霉病和白粉病的抗性表現(xiàn)為中等,蟲害主要為紅蜘蛛、綠盲蝽、蛾類和薊馬等常見蟲害,需要注意對病蟲害及時進行防治。
3 栽培技術(shù)要點
3.1 架式與整形
根據(jù)實際需要可采用“H形”“一字形”“王字形”等架形及整形方式,架高1.8~2.0 m,株距3~9 m,行距8 m,為方便新枝條綁縛,避免新枝條劈斷,可將主蔓綁縛于棚架下10~15 cm處。“一字形”具有成效快、樹形培養(yǎng)簡單的特點,適合大面積生產(chǎn)應(yīng)用;“H形”“王字形”具有美觀、種植密度低等特點,更加適合于休閑觀光采摘園。
3.2 綁枝摘心與花果管理
當(dāng)新梢生長至第一道鋼絲時及時綁縛?;ㄐ蛏狭?~5枚葉片進行摘心以促進花序分離拉長,部分強旺結(jié)果枝可留兩個花序,以果壓樹,控制其長勢。待花序主軸自然分離后(一般在花前5~7 d)即可進行整穗處理,去掉副穗及較大的幾個支穗,保留穗尖10~12 cm(可根據(jù)實際需求進行調(diào)整)。該品種無核化處理效果不佳,生產(chǎn)上不建議進行無核化處理。謝花后,距頂端副梢保留3~4枚葉片進行摘心,去除花序以下副梢,花序?qū)γ婕耙陨细鄙页敹烁鄙彝饩魞扇~絕后摘心。謝花后7~8 d即可進行疏果,疏果宜早不宜遲,早期疏果有助于幼果的膨大。謝花后14~16 d進行膨大處理,可選用5 mg·L-1CPPU+25 mg·L-1GA3作為果粒增大劑,處理一周后精修疏果。疏果相對其他品種較為簡單,去除大小粒,疏除過密粒即可。疏果結(jié)束后進行套袋。采收前7~10 d,可拆開套袋底部或改套傘袋,并在地面鋪設(shè)反光膜,促進增糖上色,直至采收結(jié)束。此外,由于該品種果皮較薄,成熟后應(yīng)及時采收,不建議長時間掛樹。
3.3 冬季修剪
冬季修剪時,因為該品種的花芽分化好,一般進行1~2芽短梢修剪。若有缺枝缺芽現(xiàn)象,可適當(dāng)多留芽,補齊空位,第二節(jié)及時進行處理,促進空缺部位芽的萌發(fā)。修剪結(jié)束后,及時綁縛到位,修剪時可讓臨時工進行第一次快速修剪,再讓熟練工根據(jù)具體情況進行第二次復(fù)剪。
3.4 肥水管理
萌芽前灌透水,花前保證一定的供水量,謝花后3~5 d每666.7 m2滴灌施入8 kg硝酸銨鈣肥料+1000 mL碧隆,促進幼果快速膨大。一周后,為促進果實膨大,每666.7 m2施入20 kg葡艷+2 kg葡艷伴侶,每7~10 d使用1次,連續(xù)施用2次,同時保證水分供給。當(dāng)果實開始軟化時,每666.7 m2滴灌施入20 kg葡華+2 kg葡華伴侶,每7~10 d施用一次,連續(xù)施用2次,促進增糖與成熟。在保證水分供給的同時,要注意不能過度灌溉,以防發(fā)生裂果。采收前10~15 d控水控肥,促進成熟。采收后,即可準備秋施基肥(依據(jù)實際情況進行),每666.7 m2可施用有機肥(腐熟牛糞)2.5~3.5 t、加入微量元素肥(硼砂2 kg+硫酸鎂2 kg+硫酸鋅2 kg+硫酸亞鐵2 kg+稀土肥1 kg)、保翠(長效鈣鎂肥)20 kg,均勻撒到壟上樹的兩側(cè)離主干50 cm處,耕翻后澆透水。
3.5 病蟲害防治
堅持以物理防治與生物防治為基礎(chǔ),結(jié)合化學(xué)防治進行綜合防治。萌芽前(絨球期)用3~5 °Bé的石硫合劑進行全園消殺;開花前后注意灰霉病、黑痘病的防治,以防花序染病影響產(chǎn)量;坐果后直至成熟前重點防治灰霉病、白粉病、炭疽病,以防葉片及果穗染?。怀墒觳墒蘸笾谅淙~前,重點防治白粉病、霜霉病,以免發(fā)生早期落葉。冬剪后進行清園處理,剝除主干老皮,架面樹干及地面使用3~5 °Bé石硫合劑進行全園消殺,并用涂白劑將架面以下主干涂白。整個生長季還需加強對綠盲蝽、紅蜘蛛、葉蟬、蛾類和薊馬等蟲害的防治,可懸掛殺蟲燈、黃藍板進行綜合防治,也可選用捕食螨進行生物防治紅蜘蛛。
4 綜合評價
園香妃作為早熟歐亞種,在同等栽培條件下,比夏黑(處理果)早上市12~15 d,并具有顏色艷麗、穗形整齊、成熟一致、香氣濃郁、皮薄肉脆、裂果少,落粒少,軟果少等特點;且植株生長勢較旺,隱芽萌發(fā)力強,花芽分化好,枝條成熟度高,管理較簡便、豐產(chǎn)性好、抗逆性較強,適宜國內(nèi)大部分葡萄產(chǎn)區(qū)栽培,雨水多的地區(qū)建議避雨栽培,冷涼地區(qū)可以露天栽培,具有較好的市場應(yīng)用前景。
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收稿日期:2023-10-30 接受日期:2023-12-07
基金項目:江蘇省農(nóng)業(yè)重大新品種創(chuàng)制項目(PZCZ201724);江蘇省現(xiàn)代農(nóng)業(yè)(葡萄)產(chǎn)業(yè)技術(shù)體系綜合示范基地(JATS[2023]23)
作者簡介:劉玉風(fēng),女,鄉(xiāng)村振興技藝師,主要從事葡萄育種研究。E-mail:616687384@qq.com
*通信作者 Author for correspondence. E-mail:57410161@qq.com