|Table of Contents|

Influence of Aluminum Stress on Pepper Nautrient Solution and Leaf(PDF)

《北方园艺》[ISSN:1001-0009/CN:23-1247/S]

Issue:
2017年01
Page:
1-5
Research Field:
Publishing date:

Info

Title:
Influence of Aluminum Stress on Pepper Nautrient Solution and Leaf
Author(s):
LI Zhenxia; LIN Ziyu; FU Yongxian
（College of Horticulture and Landscape Architecture，Henan Institute of Science and Technology，Xinxiang,Henan 453003）
Keywords:
pepper; aluminum stress; pH; chlorophyll; chlorophyll fluorescence parameters
PACS:
-
DOI:
10.11937/bfyy.201701001
Abstract:
Aluminum stress is the main factor which affects plant growth on acidic soil.Four different concentration of aluminum processing and two controls were set up in this study.The effects of aluminum stress on pepper broth，chlorophyll and chlorophyll fluorescence parameters were studied.More theory of aluminum stress mechanism to hot pepper were expected to provide.The results showed that，under acid and aluminum stress condition，OH- released by pepper plants could significantly improve the pH of nutrient solution.With the increase of aluminum concentration，the increase degree of pH decline and OH- emission decrease.Low concentration of aluminum treatment did not affect the synthesis of chlorophyll a，but could affect the synthesis of chlorophyll b.When the aluminum concentration reached 500 μmol?L-1，chlorophyll a+b content and chlorophyll a/b decreased.Chlorophyll fluorescence parameters displayed that Fo increased with the increase of aluminum concentration，Fm decreased with the increase of aluminum concentration.Fv/Fm and Fv/Fo decreased with the increase of aluminum concentration.There was no significant difference in the effects of aluminum stress on the aboveground and underground part of pepper plants.

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Last Update: 2017-03-09