|Table of Contents|

Effects of Drought,Time and Their Interaction on Seed Germination of Platycodon grandiflorum(PDF)

《北方园艺》[ISSN:1001-0009/CN:23-1247/S]

Issue:
2014年15期
Page:
170-172
Research Field:
Publishing date:

Info

Title:
Effects of Drought,Time and Their Interaction on Seed Germination of Platycodon grandiflorum
Author(s):
CHEN Lan-lan; GUO Sheng-mao; LAI Xiao-lian; LIAO Xing-guo; XIONG Guang-kang
College of Landscape and Art,Jiangxi Agricultural University,Nanchang,Jiangxi 330045
Keywords:
Platycodon grandiflorus; PEG concentration; soaking time; seed germination
PACS:
Q949.783.2
DOI:
-
Abstract:
Taking the seeds of Platycodon grandiflorum as raw material,the effect of the concentration of PEG,soaking time and their interaction on seed germination of Platycodon grandiflorus were studied.The results showed that the concentration of PEG,soaking time and their interaction significantly affected the germination percentage,germination vigor and germination index.Seed germination index of Platycodon grandiflorus under different treatments were significantly higher than drought conditions,the optimum soaking time for seed germination of Platycodon grandiflorus was 18～24 h.This experiment aimed to explore the characteristics of seed germination of Platycodon grandiflorum under drought conditions in spring and autumn,and provided evidence for break dormancy and promoted seed germination of Platycodon grandiflorum.

References:

［1］刘自刚,胡天明,杨亚丽,等.桔梗花粉萌发与花粉管生长研究［J］.植物研究,2011,31(3)：271-276.

［2］山仑,徐萌.节水农业及其生理生态基础［J］.应用生态学报,1991,2(1):70-76.
［3］山仑.植物水分利用效率和半干旱地区农业用水［J］.植物生理学通讯,1994,30(1):61-66.
［4］Winkler E,Fischer M.The role of vegetative spread and seed dispersal for optimal life histories of cloned plants:A simulation study［J］.Evolutionary Ecology,2002,15:218-301.
［5］祝振昌,张利权,肖德荣.上海崇明东滩互花米草种子产量及其萌发对温度的响应［J］.生态学报,2011,31(6):1574-1581.
［6］高雪芹,伏兵哲,穆怀彬,等.PEG-6000干旱胁迫对沙芦草种子萌发特性的影响及其抗旱性评价［J］.种子,2013,32(8):11-16.
［7］Ramoliya P J,Patel H M,Piney A N.Effect of Stalinization of soil on growth and macroand micro nutrient accumulation in seedlings of Acacia catechu (Mimosaceae)［J］.Annals of Applied Biology,2004,144:321-332.
［8］刘自刚,沈冰,张雁.桔梗种子萌发对低温、干旱及互作胁迫的响应［J］.生态学报,2013,33(8):2615-2622.
［9］刘自刚,呼天明,杨亚丽.桔梗种子成熟生理动态研究［J］.中草药,2009,40(2):300-303.
［10］严一字,吴基日.桔梗种子质量对发芽、出苗及苗素质的影响［J］.中草药,2007,38(11):1726-1729.
［11］赵敏,徐兆飞,王荣华,等.桔梗种子内源抑制物质特性的初步研究［J］.东北林业大学学报,2000,28(1):51-54.
［12］郭巧生,赵荣梅,刘丽,等.桔梗种子发芽特性的研究［J］.中国中药杂志,2006,31(1):870-881.
［13］黄振英,张新时,Yitzchak G,等.光照、温度和盐分对梭梭种子萌发的影响［J］.植物生理学报,2011,27(3):275-280.
［14］王进,张勇,颜霞,等.光照、温度、土壤水分和播种深度对披针叶黄华种子萌发及幼苗生长的影响［J］.草业科学,2011,28(9):1640-1644.
［15］Wang S M,Wan C G,Wang Y R.The characteristics of K+、Na+?and free praline distribution in several drought resistant plants of the Alxa desert,China［J］.Journal of Arid Environments,2004,56:525-539.
［16］Wu Y P,Hu X W,Wang Y R.Growth,water relations,and stomatal development of Cartagena korshinskii Kom.And Zypophyllum xanthoxylum (Bunge) Maxim.Seedling in response to water deficits［J］.New Zealand Journal of Agricultural Research,2009,52(2):185-193.

Memo

Memo:
-
Last Update: 2014-09-21