|Table of Contents|

Effect of Chilling Treatments of Bulbs on the Flowering Regulation of Narcissus spp.(PDF)

《北方园艺》[ISSN:1001-0009/CN:23-1247/S]

Issue:
2016年17
Page:
86-90
Research Field:
Publishing date:

Info

Title:
Effect of Chilling Treatments of Bulbs on the Flowering Regulation of Narcissus spp.
Author(s):
QIU Hengjia1; 2; LIN Jing1; 2; LIANG Lijian3; ZHOU Yuzhen1; 2; YE Xiaoqing3
(1.Suzhou Polytechnic Institute of Agriculture，Suzhou，Jiangsu 215008；2.The Jiangsu Provincial Platform for Conservation and Utilization of Agricultural Germplasm，Suzhou,Jiangsu 215008；3.Institute of Agricultural Biotechnology，Jiangsu Academy of Agricultural Sciences，Nanjing，Jiangsu 210014)
Keywords:
Narcissus spp.; chilling treatment; soluble protein; soluble sugar; flower control
PACS:
-
DOI:
10.11937/bfyy.201617021
Abstract:
Taking the self-reproducing bulbs of Narcissus spp.varieties ‘Young dawrf’ and ‘Tahiti’ as test materials，through different durations of cold treatment at 5-9 ℃，the changes of soluble protein and sugar indexes，the chilling effects for the growth and development of Narcissus spp.in South Jiangsu were analyzed.The results showed that early flowering ‘Young dawrf’ and late flowering ‘Tahiti’ bloomed normally before New Year’s Day，with chilling ‘Young dawrf’ bulbs before September 1st and chilling ‘Tahiti’ bulbs before August 18th after the completion of the flower bud differentiation，and the chilling end on October 20th.The earlier the narcissus plant bloom and the higher the flower stem growth，the longer the cooling time was needed.As the increase of cooling time，the soluble proteins content both in flower bud and scale gradually raised.The soluble protein content was higher in flower bud than in the scale.The soluble sugar content was higher both in flower bud and scale than in the CK，and the content of soluble sugar in the scales and flower buds was also changing.It provided theoretical and technical reference for flowering regulation of Narcissus spp..

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Last Update: 2016-10-13