[1]蒋芯,颜丽菊.杨梅种质资源花期和雌花性状多样性分析[J].浙江林业科技,2018,38(05):7-14.[doi:10.3969/j.issn.1001-3776.2018.05.002]
 JIANG Xin,YAN Li-ju.Diversity Analysis on Flowering Stage and Pistillate Flower Traits of Different Myrica rubra Germplasm[J].Journal of Zhejiang Forestry Science and Technology,2018,38(05):7-14.[doi:10.3969/j.issn.1001-3776.2018.05.002]
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杨梅种质资源花期和雌花性状多样性分析()
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《浙江林业科技》[ISSN:1001-3776/CN:33-1112/S]

卷:
38
期数:
2018年05期
页码:
7-14
栏目:
出版日期:
2018-10-20

文章信息/Info

Title:
Diversity Analysis on Flowering Stage and Pistillate Flower Traits of Different Myrica rubra Germplasm
文章编号:
1001-3776(2018)05-0007-08
作者:
蒋芯颜丽菊
浙江省临海市特产技术推广总站,浙江临海 317000
Author(s):
JIANG XinYAN Li-ju
Linhai Specialty and Extension Station of Zhejiang, Linhai 317000, China
关键词:
杨梅种质资源雌花相关性分析聚类分析
Keywords:
Myrica rubra germplasm resources pistillate flowercorrelation analysis cluster analysis
分类号:
S667.6
DOI:
10.3969/j.issn.1001-3776.2018.05.002
文献标志码:
A
摘要:
为了解杨梅Myrica rubra不同种质花期和雌花性状差异,采用形态学观测方法,对国家杨梅种质资源圃保存的49份杨梅种质资源进行花期和雌花花序性状的调查和多样性分析。结果表明:各种质间花期差异较大;各种质间花序粗度、花序长度和单花序花朵数变异系数分别为12.6%,22.9%和18.95%;雌花大多表现为圆筒形花序,雌花柱头为暗紫红色、倒八字形、较大的类型;相关性分析表明,雌花开张度和雌花色泽呈极显著正相关(P<0.01),和雌花柱头大小呈极显著负相关(P<0.01),雌花色泽和雌花柱头大小呈极显著负相关(P<0.01),花朵数和花序粗度呈极显著正相关(P<0.01);聚类分析表明可将种质分成3大类,类群I、类群II、类群III分别包括37份、9份、3份材料。研究表明,杨梅种质雌花性状具有丰富的多样性,可为杨梅种质分类鉴定、利用研究提供参考依据。
Abstract:
order to study the flowering stage and pistillate flower traits of Myrica rubragermplasm, morphological observations were made on flowering stage and inflorescence ofpistillate flower of 49 Myrica rubra germplasm with 6-10-year in the National Field Gene Bank in Linhai, Zhejiang province in March and April of 2018.The results showed that it had large difference of flowering stage among germplasm.The variation coefficient of inflorescence diameter, length and floret number per inflorescence was 12.60%, 22.90% and 18.95%.Most of pistillate flowers had cylindrical inflorescence, with stigma in dark purple red and relatively large.Correlation analysis demonstrated that the opening degree of pistillate flower had significantly positive correlation with the color of pistillate flower, but negative correlation with stigma size.Pistillate flower color and stigma size showed significant negative correlation, while number of florets per inflorescence and inflorescence diameter showed significant positive correlation.Cluster analysis indicated that 49 M.rubra germplasm resources could be classified into 3 groups, including respectively 37, 9 and 3 germplastm.This study shows that the pistillate flower traits of M.rubra germplasm resources were rich in diversity, and it could provide reference for classification, identification and utilization of M.rubra germplasm.

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备注/Memo

备注/Memo:
收稿日期:2018-04-28;修回日期:2018-08-19
基金项目:浙江省农业(果品)新品种选育重大科技专项“杨梅新品种选育”(2016C02052-2);浙江省果品产业技术团队项目(区试站)“杨梅矮化优质栽培技术的熟化集成” (201691);浙江省临海市水果首席专家项目“杨梅绿色防控技术研究与推广”(2012126)
作者简介:蒋芯,农艺师,从事果树技术推广;E-mail:jiang0xin@126.com。通信作者:颜丽菊,农业技术推广研究员,从事果树应用技术研究及推广工作;E-mail:ylj6407@163.com。
更新日期/Last Update: 2018-10-20