|Table of Contents|

Effect of Different Nitrogen Levels on Photosynthesis Characteristics,Chlorophyll Content and Quality of Allium sativum L.‘Minlezipi’(PDF)

《北方园艺》[ISSN:1001-0009/CN:23-1247/S]

Issue:
2016年07
Page:
31-34
Research Field:
Publishing date:

Info

Title:
Effect of Different Nitrogen Levels on Photosynthesis Characteristics,Chlorophyll Content and Quality of Allium sativum L.‘Minlezipi’
Author(s):
ZHANG Yajuan1; YAN Fang1; LI Yihua1; GAO Hong1; GUO Youyan1; WANG Qinli1; 2
(1.Hexi Ecological and Oasis Agricultural Research Institute,Hexi University，Zhangye，Gansu 734000；2.Engineering and Technical Research Center for Greenhouse Vegetable Production in Hexi Corridor，Hexi University，Zhangye，Gansu 734000)
Keywords:
Allium sativum L.‘Minlezipi’; N supply; photosynthetic characteristics; quality
PACS:
-
DOI:
10.11937/bfyy.201607008
Abstract:
In order to investigate the effects of different nitrogen levels on photosynthesis and quality characteristics of garlic，the Allium sativum L.‘Minlezipi’ was used as test material，using of pot experiment to study under 4 kinds of nitrogen levels of photosynthetic parameters，chlorophyll content and quality indicators change.The results showed that the chlorophyll content,net photosynthetic rate(Pn),stomatal conductance(Gs),intercellular CO2 concentration (Ci) andtranspiration rate(E) were increased in nitrogen rate range of 0-240 kg/hm2.The parameters were the highest at level of 240 kg/hm2 nitrogen application and then reduced.The highest of garlic allicin was 240 kg/hm2 nitrogen supply.Except 6 g/pot N treatment，nitrogen treatment increased 3.98%，4.56% and 6.82%,respectively.It was said that adding some N fertilizer could significantly improve photosynthetic characteristics and content of chlorophyll of garlic，the photosynthetic performance improvement，and ultimately affect the quality of garlic.The 240 kg/hm2 treatment was the best on leaf net photosynthetic rate，chlorophyll content and allicin at all treatments.The 240 kg/hm2 treatment increased the chlorophyll content，photosynthetic rate andtranspiration rate，and obtain a higher of garlic quality.

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Last Update: 2016-05-31