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Influence of Appling Fertilizer and Leaf Position to the Epidemic of Cabbage Black Spot Disease Caused by Alternaria brassicae(PDF)

《北方园艺》[ISSN:1001-0009/CN:23-1247/S]

Issue:
2012年13期
Page:
142-144
Research Field:
Publishing date:

Info

Title:
Influence of Appling Fertilizer and Leaf Position to the Epidemic of Cabbage Black Spot Disease Caused by Alternaria brassicae
Author(s):
MA Hai-xia 1; 2; LIU Ying 2; 3; YANG Yi2 ; FU Xiao-yun4; YANG Xin-dong 2; 5
1.Institute of Tropical Bioscience and Biotechnology,Chinese Academy of Tropical Agricultural Sciences,Haikou,Hainan 571101;
2.College of Agriculture,Jilin Agricultural University,Changchun,Jilin 130118;
3.Plant Protection Institute,Jilin Province Institute of Agricultural Sciences,Gongzhuling,Jilin 136100;
4.Dehui City Seed Management Station,Dehui,Jilin 130300;
5.College of Development,Jilin Agricultural University Changchun,Jilin,130600
Keywords:
cabbage; Alternaria brassicae; disease of epidemilolgy; applying fertilizer; leaf position
PACS:
S 634.606+.2
DOI:
-
Abstract:
With Baibang Chinese cabbage as experimental materials，the effects of fertilizer and position of leaf with the epidemic of cabbage black spot disease caused by Alternaria brassicae were studied in Changchun.The results showed that chemical fertilizers could reduce the spore infection and spore production,and potassium was better than nitrogen(NH4+) and phosphate.The good nutritional condition could obviously reduce the spore infection and extension of lesion.A.brassicae infected older leaves firstly,the resistance capacity of cabbage from A.brassicae enhanced with the elevation of the leaf position.The new leaves had higher resistance capacity from A.brassicae infection than older leaves.Spore production capacity of older leaves was higher than the new leaves.

References:

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Last Update: 2014-09-16