|Table of Contents|

Effects of Different Temperature Treatments on Flowering of Jasminum sambac

《北方园艺》[ISSN:1001-0009/CN:23-1247/S]

Issue:
2018年04
Page:
103-109
Research Field:
Publishing date:

Info

Title:
Effects of Different Temperature Treatments on Flowering of Jasminum sambac
Author(s):
LI Congcong12YE Xiaoqing2DENG Yanming2
1.Dongchang College,Liaocheng University,Liaocheng,Shandong 252000;2.Jiangsu Key Laboratory of Agrobiology,Jiangsu Academy of Agricultural Sciences,Nanjing,Jiangsu 210014
Keywords:
Jasminum sambactemperaturegrowth and developmentfloral differentiation
PACS:
-
DOI:
10.11937/bfyy.20172232
Abstract:
One-year-old phants of Jasminum sambac were taken as materials.They were treated and divided into two parts,one part at 30 ℃/25 ℃(day/night),the other part at 20 ℃/15 ℃(day/night).Effects of different temperatures on the growth and development of Jasminum sambac and the change of some physiological characteristics during the stage of floral differentiation were studied.The results showed that the growth of J.sambac seedlings at 30 ℃/25 ℃ (day/night) was better than that at 20 ℃/15 ℃ (day/night),the former flower buds appeared and flower formation were one week earlier than the latter,the former flower number was 25 percent point higher than the latter.These illustrated that the 30 ℃/25 ℃ (day/night) treatment was more suitable for both the vegetative and reproductive growth of J.sambac stored a lot of soluble protein and carbohydrate before flower formation,and consumed them during floral differentiation.The levels of ZR,ABA and GA at 30 ℃/25 ℃ (day/night) were higher than 20 ℃/15 ℃ (day/night).The level of IAA at 30 ℃/25 ℃ (day/night) was lower than 20 ℃/15 ℃ (day/night).

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Last Update: 2018-02-24