[1]严蕾,张荣,石卓功.“永丰1号”板栗雌花分化组织形态学研究[J].北方园艺,2018,42(15):52-57.[doi:10.11937/bfyy.20173651]
　YAN Lei,ZHANG Rong,SHI Zhuogong.Morphological Study on Female Flower Differentiation in Chestnut of ‘Yongfeng No.1’[J].Northern Horticulture,2018,42(15):52-57.[doi:10.11937/bfyy.20173651]
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“永丰1号”板栗雌花分化组织形态学研究

《北方园艺》[ISSN:1001-0009/CN:23-1247/S] 卷: 第42卷 期数: 2018年15 页码: 52-57 栏目: 出版日期: 2018-06-15
Title:
Morphological Study on Female Flower Differentiation in Chestnut of ‘Yongfeng No.1’
作者:
严蕾1; 张荣2; 石卓功1
（1.西南林业大学 西南地区生物多样性保育国家林业局重点实验室，云南 昆明 650000;2.重庆市林业科学研究院，重庆 400036）
Author(s):
YAN Lei1; ZHANG Rong2; SHI Zhuogong1
(1.Key Laboratory of Biodiversity Conservation in Southwest China,Southwest Forestry University,Kunming,Yunnan 650000;2.Chongqing Academy of Forestry,Chongqing 400036)
关键词:
板栗; “永丰1号”; 雌花分化; 组织形态学
Keywords:
chestnut; ‘Yongfeng No.1’; female differentiation; histomorp-hology
DOI:
10.11937/bfyy.20173651
文献标志码:
A
摘要:
板栗在云南省栽培范围较广，但单位面积产量一直不高。该试验以云南当地具有代表性的板栗品种“永丰1号”为试材，利用石蜡切片研究了板栗雌花分化组织形态学特性以及相对应的外部形态特征。结果表明：3月上旬出现两性花序原基，雌花簇原基5月中旬形成胚珠原基，5月底形成四分体大孢子，6月上旬形成八核胚囊；胚珠倒生，厚珠心，双珠被，四分体呈直线形。雌花内部发育与外部形态特征有一定的相关性。
Abstract:
Chestnut has a large growing area in Yunnan，but in actual production,the yield of chestnut has not been high.In this test,chestnut variety of ‘Yongfeng No.1’ were used as test materials,using the method of paraffin section to study the gender differentiation of chestnut in Yunnan.The results showed that,hermaphrodite inflorescence primordium appeared in early March,female flower cluster primordium formation appeared in mid-May,at the end of May,the formation of four ovule primordia appeared,split megaspore,in early June eight nuclear embryo sac formed,anatropous,bitegmic and crassinucellate.The four body was linear,female internal development and external morphological characters had certain correlation.

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备注/Memo

第一作者简介：严蕾（1992-），女，四川成都人，硕士研究生，研究方向为经济林栽培及利用理论与技术。E-mail：646171178@qq.com.责任作者：石卓功（1957-），男，博士，教授，博士生导师，长期从事经济林(果树)方面的教学与科研等工作。基金项目：国家自然科学基金资助项目（30860231）。收稿日期：2018-03-15

更新日期/Last Update: 2018-08-28