劉瑜 嚴(yán)芳 邵靜娜 周慧娟 鄭生宏 何衛(wèi)中
摘要:【目的】鑒定評(píng)價(jià)浙江省麗水市茶樹(shù)種質(zhì)資源,并篩選出優(yōu)異茶樹(shù)種質(zhì)資源,為茶樹(shù)良種選育及茶產(chǎn)業(yè)發(fā)展提供豐富材料。【方法】從浙江麗水市收集到13份茶樹(shù)種質(zhì)資源,并在麗水市松陽(yáng)縣進(jìn)行統(tǒng)一栽培管理,以福鼎大白茶為對(duì)照,對(duì)其特征特性、生化成分、綠茶感官品質(zhì)展開(kāi)鑒定評(píng)價(jià)。【結(jié)果】13份供試種質(zhì)中,子松種和麗早1號(hào)的春季萌芽期分別較對(duì)照早10和22 d,屬于特早生資源;麗白1號(hào)、麗黃3號(hào)、梯田白、梯田白2號(hào)和水晶白的芽葉均表現(xiàn)為黃白化,麗紫1號(hào)的芽葉表現(xiàn)為紫化;JN-1的花瓣顏色為粉紅色。13份供試種質(zhì)均具有較強(qiáng)或強(qiáng)的耐旱性和耐寒性,茶多酚含量13.87%~20.77%,水浸出物含量41.65%~48.93%,咖啡堿含量2.86%~3.74%,游離氨基酸含量4.51%~8.77%,酚氨比1.59~4.77。除麗早1號(hào)和JN-1外,其余11份種質(zhì)的游離氨基酸含量均≥5.00%,為高氨基酸種質(zhì),且5份白化種質(zhì)中氨基酸含量高于其他種質(zhì)。兒茶素品質(zhì)指數(shù)以JN-3最高(518.2),芽王、麗白1號(hào)、麗黃3號(hào)、梯田白和梯田白2號(hào)均高于對(duì)照(340.5),以子松種最低(235.3)。13份供試種質(zhì)所制綠茶整體上表現(xiàn)為條索緊、湯色明亮、香氣較高(部分種質(zhì)具有花香或栗香)、滋味甘醇鮮爽、葉底嫩勻顯芽,且年均感官審評(píng)總分均高于對(duì)照,均適制綠茶,其中以JN-3最高(92.4分),麗紫1號(hào)最低(89.8分)。JN-3在香氣、滋味得分和感官品質(zhì)總分上均為最高。13份供試種質(zhì)中,高氨基酸(≥5.00%)特異種質(zhì)11份,特早生資源2份,葉色特異資源6份,花瓣顏色特異資源1份。除梯田白、水晶白和麗紫1號(hào)僅屬于特異種質(zhì)資源外,其余10份種質(zhì)均同時(shí)為特異種質(zhì)資源和優(yōu)良種質(zhì)資源?!窘Y(jié)論】供試的13份茶樹(shù)種質(zhì)均屬于特異種質(zhì),其中10份屬于優(yōu)良種質(zhì),可用于茶樹(shù)良種選育及茶葉生產(chǎn)。
關(guān)鍵詞: 優(yōu)異種質(zhì);鑒定評(píng)價(jià);農(nóng)藝性狀;生化成分;感官品質(zhì)
中圖分類號(hào): S571.102.4? ? ? ? ? ? ? ? ? ? ? ? ? ? ?文獻(xiàn)標(biāo)志碼: A 文章編號(hào):2095-1191(2022)02-0401-09
Germplasm evaluation of tea plants in Lishui,Zhejiang
LIU Yu, YAN Fang, SHAO Jing-na, ZHOU Hui-juan, ZHENG Sheng-hong,
HE Wei-zhong*
(Lishui Institute of Agricultural and Forestry Sciences, Lishui, Zhejiang? 323000, China)
Abstract:【Objective】To explore and identify elite tea germplasm resources in Lishui,Zhejiang,so as to provide materials for the breeding of improved varieties and the development of tea industry. 【Method】Thirteen tea germplasm resources in Lishui (Zisongzhong,Zidantou,Yawang,Lizao 1,Libai 1,Lihuang 3,Titianbai,Titianbai 2,Shuijingbai,Lizi 1,JN-1,JN-2,JN-3) were cultivated and managed in Songyang County,and their agronomic traits,biochemical components and sensory quality of green tea were analyzed and compared with that of Fuding Daibaicha. 【Result】In terms of agronomic traits,Lizao 1 and Zisongzhong were early sprouting resources. For their stage of one bud and one leaf came 22 d and 10 d earlier than the control groups,respectively. All the 13 resources had strong drought and cold tolerance, tea polyphenols content 13.87%-20.77%,water extracts content 41.65%-48.93%,caffeine content 2.86%-3.74%,free amino acids 4.51%-8.77%,Tp/Aa 1.59-4.77. The petal color of Libai 1,Lihuang 3,Titianbai,Titianbai 2 and Shuijingbai were yellow and white,Lizi 1 purple; JN-1 pink. Except Lizao 1 and JN-1,the other 11 resources were high in free amino acids (≥5.00%) and the five albino tea varieties had higher amino acids than other varieties did. The content of free amino acids in Titianbai was the highest and the Tp/Aa was the lowest. The catechin quality index of JN-3 was the highest (518.2), and that of Yawang, Libai 1, Lihuang 3, Titianbai and Titianbai 2 were higher than those of the control (340.5), and that of Pinus taeda was the lowest (235.3).? The green tea produced by 13 germplasms had tight strips, bright soup color, nice aroma (some germplasms had flower or chestnut aroma), mellow taste, tender and uniform buds at the bottom of the leaf. The 13 germplasms were suitable for making green tea and the average annual sensory evaluation score was higher than that of the control; among them, JN-3 was scored the highest (92.4), and Lizi 1 the lowest(89.8). JN-3 had the highest scores in aroma, taste and sensory quality. Of the 13 tested germplasms, 11 were amino acid-specific gerplasms( ≥5.00%), 2 were extra-early, 6 were leaf color-specific and 1 was petal color-specific. Titianbai, Shuijingbai and Lizi 1 were identified as specific germplasms, and other 10 germplasms were identified as both specific and excellent resources. 【Conclusion】All the 13 germplasm resources are specific germplasms,and 10 of them were excellent germplasms, which could be helpful for tea breeding and production.
Key words: excellent germplasm; evaluation and identification; agronomic trait; biochemical components; sensory quality
Foundation items: Modern Agricultural Industry Technology System Construction Project(CARS-19); Zhejiang Key Research and Development Program (2021C0438); Zhejiang Science and Technology Key Projects of New Varieties Breeding of Agriculture(tea)(2021C02067-1); Lishui Science and Technology Project(2020ZDYF05)
0 引言
【研究意義】茶樹(shù)(Camellia sinensis L.)屬于多年生木本植物。我國(guó)作為茶樹(shù)原產(chǎn)地,產(chǎn)茶歷史悠久,茶區(qū)分布廣泛,生產(chǎn)上長(zhǎng)期采用種子繁殖,得益于茶樹(shù)的異花授粉自然雜交,使得茶樹(shù)群體具有豐富的遺傳多樣性,為茶樹(shù)良種選育提供重要的物質(zhì)基礎(chǔ)(陳杰丹等,2019)。隨著茶樹(shù)育種工作的開(kāi)展,無(wú)性系良種在全國(guó)范圍內(nèi)有效推廣,促使茶葉生產(chǎn)效益大幅提升,但也不可避免地導(dǎo)致群體種茶園大面積減少。因此,開(kāi)展本地茶樹(shù)種質(zhì)資源調(diào)查并集中收集保存,對(duì)保護(hù)資源豐富度、推進(jìn)良種選育具有重要意義。由于浙江麗水地處浙江西南部,毗鄰福建省,曾是南茶北引的過(guò)渡地區(qū),茶樹(shù)種質(zhì)資源豐富,具有極高的種質(zhì)開(kāi)發(fā)潛力。因此對(duì)浙江麗水地區(qū)的茶樹(shù)種質(zhì)資源進(jìn)特征特性、生化成分和茶類適制性等方面鑒定評(píng)價(jià),可有效發(fā)掘優(yōu)異茶樹(shù)資源,為良種選育積累繁殖材料,以滿足多樣的育種發(fā)展新需求?!厩叭搜芯窟M(jìn)展】新中國(guó)成立以來(lái),育種工作者經(jīng)過(guò)收集、鑒定、篩選等工作,陸續(xù)選育出大量國(guó)家級(jí)茶樹(shù)良種,極大促進(jìn)了茶產(chǎn)業(yè)的提質(zhì)增效(王新超等,2019)。這些優(yōu)良、特異的茶樹(shù)品種也為后續(xù)的品種創(chuàng)制及性狀優(yōu)化提供了育種材料,如以福鼎大白茶和云南大葉種作為親本,雜交選育出福云6號(hào)、福云7號(hào)、福云10號(hào)、浙農(nóng)12、浙農(nóng)113、浙農(nóng)21等國(guó)家良種(劉祖生等,2005;葉乃興,2008;)。隨著我國(guó)經(jīng)濟(jì)水平快速提升,為滿足日益增長(zhǎng)的產(chǎn)業(yè)發(fā)展和多樣化消費(fèi)需求,茶樹(shù)育種從高產(chǎn)、早生逐步向優(yōu)質(zhì)、高抗性、適應(yīng)機(jī)采、低咖啡堿、高茶多酚、高花青素、高氨基酸等多方向發(fā)展(梁月榮和石萌,2015)。根據(jù)采用的技術(shù)的不同,茶樹(shù)育種可分為常規(guī)育種、誘變育種和生物技術(shù)育種,其中,常規(guī)育種主要包括系統(tǒng)育種和雜交育種,因其適用范圍廣仍是當(dāng)前主要的育種手段(尚衛(wèi)瓊,2013)。近年來(lái),廣東、云南、四川、福建等地均加強(qiáng)了對(duì)本地茶樹(shù)資源的調(diào)查收集,并篩選出了高咖啡堿、高茶多酚、高氨基酸、高茶氨酸等優(yōu)異資源(方開(kāi)星等,2019;王瑋等,2020;謝文鋼等,2020;曹士先等,2020)。對(duì)浙江麗水地區(qū)的茶樹(shù)種質(zhì)資源也有相關(guān)報(bào)道。劉祝安和袁航(2015)、劉建平(2017)、張麗芬和劉建平(2018)利用麗水景寧縣的本地群體種分別選育出優(yōu)質(zhì)白化品種景白1號(hào)、景白2號(hào)和景白3號(hào)。楊亞軍(2017)利用麗水縉云縣本地群體種選育出黃化品種中黃2號(hào)。婁艷華等(2019)對(duì)麗水地區(qū)茶樹(shù)資源展開(kāi)了廣泛的收集保存與鑒定工作,獲得了較多黃白化、紫化、早生、高產(chǎn)的優(yōu)異單株,為茶樹(shù)種質(zhì)資源開(kāi)發(fā)打下基礎(chǔ)。婁艷華等(2020)對(duì)麗水地區(qū)收集的野生、半野生茶樹(shù)資源進(jìn)行生化成分多樣性分析,結(jié)果表明收集的76份種質(zhì)資源平均遺傳多樣性指數(shù)為1.82,平均變異系數(shù)為21.66%,其中有20份高水浸出物種質(zhì),15份高茶多酚種質(zhì),3份高咖啡堿種質(zhì),17份高氨基酸種質(zhì),13份高可溶性總糖種質(zhì)。【本研究切入點(diǎn)】目前關(guān)于麗水本地茶樹(shù)資源的分析多集中在生化成分分析方面,尚無(wú)對(duì)優(yōu)異資源鑒定、篩選及綠茶適制性系統(tǒng)的研究報(bào)道?!緮M解決的關(guān)鍵問(wèn)題】從麗水本地群體種茶園中收集的13份種質(zhì),對(duì)其特征特性、生化成分、綠茶感官品質(zhì)展開(kāi)鑒定評(píng)價(jià),旨在篩選出優(yōu)良、特異的茶樹(shù)種質(zhì),為后續(xù)茶樹(shù)品種開(kāi)發(fā)與利用提供參考。
1 材料與方法
1. 1 試驗(yàn)材料及種植
從麗水地區(qū)群體種茶園收集茶樹(shù)13個(gè)品系,分別為子松種、子彈頭、芽王、麗早1號(hào)、麗白1號(hào)、麗黃3號(hào)、梯田白、梯田白2號(hào)、水晶白、麗紫1號(hào)、JN-1、JN-2和JN-3。以福鼎大白茶為對(duì)照(CK)。試驗(yàn)在浙江省麗水市松陽(yáng)縣茶園進(jìn)行,于2017年采用雙株雙行種植模式,統(tǒng)一進(jìn)行修剪、施肥等栽培管理措施。于春季采摘茶樹(shù)第一輪新梢一芽二葉鮮葉,制作生化樣和烘青樣,分別用于生化成分分析和感官審評(píng)。
1. 2 試驗(yàn)方法
1. 2. 1 樣品制作 生化樣制作參照NY/T 1312─2007《農(nóng)作物種質(zhì)資源鑒定技術(shù)規(guī)程 茶樹(shù)》,將鮮葉薄攤于網(wǎng)篩中,放于120 ℃烘箱中一次性烘干。烘青樣制作參照NY/T 1312——2007《農(nóng)作物種質(zhì)資源鑒定技術(shù)規(guī)程 茶樹(shù)》制樣,具體步驟為攤放→殺青→回潮→揉捻→初烘→復(fù)烘→攤涼、包裝。
1. 2. 2 農(nóng)藝性狀觀測(cè) 參照NY/T 1312─2007《農(nóng)作物種質(zhì)資源鑒定技術(shù)規(guī)程茶樹(shù)》、NY/T 2422─2013《植物新品種特異性、一致性和穩(wěn)定性測(cè)試指南 茶樹(shù)》、NT/Y 2031─2011《農(nóng)作物優(yōu)異種質(zhì)資源評(píng)價(jià)規(guī)范? 茶樹(shù)》觀測(cè)物候期、芽、葉、花等基本形態(tài)特征,鑒定茶樹(shù)耐寒性和耐旱性,物候期觀測(cè)年度重復(fù)2次。
1. 2. 3 主要生化成分檢測(cè) 水浸出物含量測(cè)定參照GB/T 8305─2013《茶水浸出物測(cè)定》;游離氨基酸含量參照GB/T 8314─2013《茶游離氨基酸總量的測(cè)定》;咖啡堿含量參照GB/T 8312─2013《茶咖啡堿測(cè)定》;茶多酚和兒茶素組分含量及總含量測(cè)定參照GB/T 8313─2018《茶葉中茶多酚和兒茶素類含量的檢測(cè)方法》,兒茶素組分包括表兒茶素(EC)、表沒(méi)食子兒茶素(EGC)、表兒茶素沒(méi)食子酸酯(ECG)、表沒(méi)食子兒茶素沒(méi)食子酸酯(EGCG),并計(jì)算兒茶素品質(zhì)指數(shù),計(jì)算公式為兒茶素品質(zhì)指數(shù)=(EGCG+EGC)×100/ECG。內(nèi)含成分檢測(cè)年度重復(fù)2次。
1. 2. 4 烘青茶樣感官審評(píng)方法 參照GB/T 23776─2018《茶葉感官審評(píng)方法》進(jìn)行烘青茶樣感官審評(píng)。感官審評(píng)年度重復(fù)2次。
1.2.5 特異種質(zhì)資源篩選 參照NT/Y 2031─2011《農(nóng)作物優(yōu)異種質(zhì)資源評(píng)價(jià)規(guī)范 茶樹(shù)》進(jìn)行特異種質(zhì)資源鑒定。
1. 3 統(tǒng)計(jì)分析
使用WPS Office處理數(shù)據(jù)并制作圖表;使用SPSS 19.0的Duncana法進(jìn)行差異顯著性分析。
2 結(jié)果與分析
2. 1 茶樹(shù)種質(zhì)的特征特性
經(jīng)過(guò)連續(xù)兩年(2019─2020)的觀測(cè),供試種質(zhì)的田間表現(xiàn)及特征特性如表1所示,一芽一葉期與對(duì)照的差異如表2所示。部分種質(zhì)表現(xiàn)出特異性狀,在萌芽期方面,子松種和麗早1號(hào)春季萌芽期分別較對(duì)照早10和22 d,屬于特早生資源。在芽葉顏色方面,麗白1號(hào)、麗黃3號(hào)、梯田白、梯田白2號(hào)和水晶白表現(xiàn)為黃白化,麗紫1號(hào)表現(xiàn)為紫化(圖1)。在花瓣顏色方面,JN-1的花瓣顏色為粉紅色(圖2)。其他農(nóng)藝性狀均未達(dá)特異種質(zhì)資源指標(biāo)。2019年夏秋季,試驗(yàn)地塊發(fā)生長(zhǎng)時(shí)間自然干旱,對(duì)供試種質(zhì)展開(kāi)耐旱性調(diào)查,結(jié)果(表1)表明,除梯田白2號(hào)和水晶白表現(xiàn)為耐旱性較強(qiáng)(10<旱害指數(shù)≤20)外,其他11份種質(zhì)均表現(xiàn)為耐旱性強(qiáng)(旱害指數(shù)≤10)。2020年春季低溫寒潮后對(duì)供試種質(zhì)進(jìn)行耐寒性調(diào)查,結(jié)果表明,除麗黃3號(hào)的耐寒性較強(qiáng)(10<凍害指數(shù)≤20)外,其他12份種質(zhì)均表現(xiàn)為耐寒性強(qiáng)(凍害指數(shù)≤10)。
2. 2 茶樹(shù)種質(zhì)的生化成分分析結(jié)果
供試種質(zhì)的生化成分含量如表3所示。除JN-2和JN-3外,其余種質(zhì)的水浸出物含量均顯著高于對(duì)照(P<0.05,下同)。水浸出物含量以梯田白2號(hào)最高(48.93%),JN-2最低(41.65%)且顯著低于對(duì)照。咖啡堿含量以梯田白最高(3.74%),芽王最低(2.86%),所有種質(zhì)與對(duì)照品種均未達(dá)顯著差異(P>0.05,下同)。5份白化種質(zhì)中游離氨基酸含量高于其他種質(zhì),其中以梯田白最高(8.77%),麗白1號(hào)、梯田白和梯田白2號(hào)中的游離氨基酸含量均顯著高于對(duì)照。酚氨比以芽王最高(4.77),以梯田白最低(1.59)。兒茶素總量以JN-1最高(14.5%),梯田白最低(7.6%);兒茶素品質(zhì)指數(shù)以JN-3最高(518.2),芽王、麗白1號(hào)、麗黃3號(hào)、梯田白和梯田白2號(hào)均高于對(duì)照(340.5),以子松種最低(235.3)(圖3)。
2. 3 茶樹(shù)種質(zhì)的感官品質(zhì)及綠茶適制性分析結(jié)果
供試種質(zhì)的烘青茶樣感官審評(píng)結(jié)果如表4所示。13份供試種質(zhì)所制綠茶整體上表現(xiàn)為條索緊、湯色明亮、香氣較高(子松種、芽王、麗早1號(hào)等8份資源有花香,子彈頭、麗白1號(hào)和JN-3有栗香)、滋味甘醇鮮爽、葉底嫩勻顯芽,年均感官審評(píng)總分以JN-3最高(92.4分),麗紫1號(hào)、水晶和梯田白均最低(89.8分)。子松種、子彈頭、芽王、麗白1號(hào)、麗黃3號(hào)、梯田白2號(hào)、麗早1號(hào)、JN-1、JN-2和JN-3這10個(gè)品種的年均感官審評(píng)總分均值均高于90.0分。子彈頭和JN-3的香氣和滋味得分較對(duì)照高,其中以JN-3香氣和滋味得分在所有供試材料中最高。麗紫1號(hào)湯色泛紫。根據(jù)NY/T 1312─2007中的茶類適制性判斷標(biāo)準(zhǔn),13份種質(zhì)均適制綠茶,具體可分為“適合”和“最合適”2個(gè)級(jí)別;其中,子松種、子彈頭、芽王、麗白1號(hào)、麗黃3號(hào)、梯田白、麗紫1號(hào)和JN-3與對(duì)應(yīng)年份對(duì)照的感官審評(píng)總分分差小于0,均為“最適合”制作綠茶;麗早1號(hào)、水晶白、梯田白2號(hào)、JN-1和JN-2與對(duì)應(yīng)年份對(duì)照的總分分差介于0至2.0分之間,為“適合”制作綠茶。
2. 4 優(yōu)異茶樹(shù)種質(zhì)的篩選
優(yōu)異種質(zhì)資源是優(yōu)良種質(zhì)資源與特異種質(zhì)資源的合稱。依據(jù)NY/T 2031─2011判定,13份供試種質(zhì)中,高氨基酸(≥5%)特異資源11份,特早生資源2份,葉色特異6份、花瓣顏色特異1份。由表5可知,除梯田白、水晶白和麗紫1號(hào)僅屬于特異種質(zhì)資源外,其余10份資源均同時(shí)為特異種質(zhì)資源和優(yōu)良種質(zhì)資源。
3 討論
茶葉內(nèi)含物質(zhì)是構(gòu)成其品質(zhì)特征的基礎(chǔ)。氨基酸不但參與茶葉香氣形成,還是茶湯鮮爽的主要呈味物質(zhì),其含量與茶葉品質(zhì)呈顯著正相關(guān)(廖鴻雁等,2012;宛曉春,2014)。酚氨比也反映了茶湯的滋味品質(zhì),一般來(lái)說(shuō),酚氨比低的綠茶品質(zhì)更好(萬(wàn)青等,2017)。但本研究中游離氨基酸含量最高、酚氨比最低的種質(zhì)為梯田白,但在感官品質(zhì)上卻表現(xiàn)較差,其原因可能有兩個(gè),一是加工不當(dāng),致使茶湯中帶有悶味,從而降低感官品質(zhì);另一方面,茶多酚、咖啡堿和糖類等均是主要的呈味物質(zhì),游離氨基酸含量并不是茶葉品質(zhì)的決定性因素,這些物質(zhì)在茶湯中混合且相互作用,才能構(gòu)成綠茶鮮、甜、苦、澀等豐富滋味(岳翠男,2017)。綠茶感官品質(zhì)形成機(jī)制復(fù)雜,茶湯鮮爽只是茶湯滋味中的一部分,單以幾種內(nèi)含物質(zhì)的含量進(jìn)行分析只能得到趨勢(shì)性的結(jié)果,需結(jié)合制樣、審評(píng)才可更加直觀地對(duì)其適制性進(jìn)行綜合判斷。
花青素具有降血壓、減脂、抗氧化、抗癌、免疫刺激等活性(Jennings et al.,2012;Joshi et al.,2017;Lin et al.,2020; ),然而花青素含量升高會(huì)使綠茶滋味苦澀、葉底顏色暗綠,不利于感官品質(zhì)形成(Zhang,2020)。本研究供試種質(zhì)麗紫1號(hào)為紫化資源,具有較高的花青素含量(6.0 mg/g),所制綠茶雖然在13份資源中感官審評(píng)總得分最低,但其年均總分仍高于對(duì)照,且香氣、滋味得分均高于90分,具有較好的開(kāi)發(fā)潛力。
白化茶由于芽葉顏色呈黃或白色,氨基酸含量高,茶湯滋味鮮爽,符合消費(fèi)者對(duì)于綠茶感官品質(zhì)的偏好(唐瑛蔓,2020)。本研究發(fā)現(xiàn),5份白化種質(zhì)中游離氨基酸含量高于其他種質(zhì),其中以梯田白最高(8.77%),麗白1號(hào)、梯田白和梯田白2號(hào)中的游離氨基酸含量均顯著高于對(duì)照。王開(kāi)榮(2008)研究也發(fā)現(xiàn),白化茶普遍具有高氨基酸的特點(diǎn),與本研究結(jié)果較一致。目前白葉1號(hào)、黃金芽等白化茶良種已在全國(guó)多地推廣種植,經(jīng)濟(jì)效益較高。但白化茶仍存在抗逆性差的特點(diǎn),本研究發(fā)現(xiàn)麗白1號(hào)和麗黃3號(hào)生長(zhǎng)勢(shì)較弱,成熟葉片凋落較多,不利于茶樹(shù)干物質(zhì)積累,造成產(chǎn)量損失,其原因及配套栽培技術(shù)尚需深入研究。本研究的5份白化茶資源在特征特性和生化成分上均存在一定差異,可作為雜交育種材料,創(chuàng)制出早生、優(yōu)質(zhì)、高產(chǎn)的白化茶品種。
4 結(jié)論
13份供試種質(zhì)中,除梯田白、水晶白和麗紫1號(hào)僅屬于特異種質(zhì)資源外,其余10份種質(zhì)均同時(shí)為特異種質(zhì)資源和優(yōu)良種質(zhì)資源,其中,高氨基酸(≥5.00%)特異種質(zhì)11份,特早生資源2份,葉色特異資源6份、花瓣顏色特異資源1份,可用于茶樹(shù)良種選育及茶葉生產(chǎn)。
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(責(zé)任編輯 陳 燕)