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Effects of Leveillula saxaouli on Growth,Chlorophyll and Carbohydrate of the Haloxylon ammodendron(PDF)

《北方园艺》[ISSN:1001-0009/CN:23-1247/S]

Issue:
2012年14期
Page:
141-143
Research Field:
Publishing date:

Info

Title:
Effects of Leveillula saxaouli on Growth,Chlorophyll and Carbohydrate of the Haloxylon ammodendron
Author(s):
MENG Gen-xiao 1; 2; CUI Xu-sheng2; WU Yan2; GUO Yu-hai2
1.College of Traditional Mongolian Medicine,Inner Mongolia University for the Nationalities,Tongliao,Inner Mongolia 028300;
2.College of Agronomy and Biotechnology,China Agricultural University,Beijing 100193
Keywords:
Haloxylon ammodendron; Leveillula saxaouli; growth; chlorophyll; carbohydrate
PACS:
S 763.1
DOI:
-
Abstract:
The growth of Haloxylon ammodendron and the content of chlorophyll and carbohydrate in the tree infected with different level of Leveillula saxaouli were determined.The results showed that total chlorophyll of heavy infected Haloxylon ammodendron decreased 58.3% from the healthy，chlorophyll a decreased 64.3%,chlorophyll b/a was double of the healthy.The content of carbohydrate would first decrease and then increase following the infection aggravate.The height of the tree decreased 33.4%~38.4% from the healthy,length of photosynthetic branch down 12.4%~33.3%,diameter of bottom side stem fall 25.3%,total organism quantity reduce 26.4%~35.9%.It was the first time to study the chlorophyll，useable carbohydrate,organism quantity and growth of Haloxylon ammodendron infected with Leveillula saxaoul in this experiment.This study provided data for how much damage of Leveillula saxaoul to Haloxylon ammodendron.It also offered reference for preventing the tree from the disease.

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Last Update: 2014-09-17