[1]陈士华,吴兴泉,杜春梅,等.春油菜菌核病田间发生规律研究[J].黑龙江农业科学,2004,(01):19-21.[doi:10.11942/j.issn1002-2767.2004.01.0019]
　CHEN Shi-hua,WU Xing-quan,DU Chun-mei,et al.Study on theOccurrence Rule of the Sclerotiorum on the Spring Rape[J].HEILONGJIANG AGRICULTURAL SCIENCES,2004,(01):19-21.[doi:10.11942/j.issn1002-2767.2004.01.0019]
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春油菜菌核病田间发生规律研究

《黑龙江农业科学》[ISSN:1002-2767/CN:23-1204/S] 卷: 期数: 2004年01 页码: 19-21 栏目: 出版日期: 2004-01-10
Title:
Study on theOccurrence Rule of the Sclerotiorum on the Spring Rape
文章编号:
1002 -2767(2004)01 -0019 -03
作者:
陈士华1 ;  吴兴泉1 ;  杜春梅2 ;  辛惠普1
1 .黑龙江八一农垦大学, 密山158308 ;
2 .黑龙江大学, 哈尔滨150080
Author(s):
CHEN Shi-hua1 ;  WU Xing-quan1 ;  DU Chun-mei2 ;  XIN Hui-pu1
1.Heilongjiang August 1st Reclamation Universi ty , Mi Shan 158308 ;
2.Heilo ngjiang University ,Harbin , 150080
关键词:
春油菜; 菌核病; 发生规律
Keywords:
spring rape ; sclero tio rum ; occurrence rule
分类号:
S435 .654
DOI:
10.11942/j.issn1002-2767.2004.01.0019
文献标志码:
A
摘要:
研究结果表明:黑龙江省北安农场管理局菌核病病菌子囊盘于6 月中旬始见, 子囊盘数量与3 日内大气平均相对湿度呈正相关(R =0 .657), 与3 日内平均气温呈负相关(R =-0 .604)。大气中病菌孢子于6 月中旬始见, 7 月中下旬出现高峰期。花朵于6 月下旬开始发病, 7 月上旬出现发病高峰期。花朵带病率与3 日内的相对湿度和日照时数显著相关(R1 =0 .95 ;R2 =-0 .857)。叶片于7 月初开始发病, 7 月中旬达到高峰期, 以后逐渐下降。茎秆于7 月上旬开始发病, 为土表菌核直接侵染造成, 发病率低, 增长慢, 7 月下旬快速增长(为病叶再侵染造成)直至收获。
Abstract:
The results of the study show :the apo thecium of the pathogen appears in the middle tendays of June .The number of the apothecium is co rrelative to the relat ive humidi ty (R =0 .657)andthe average air temperature(R =-0 .604)of the last three day s .The spo re in the air appears in themiddle ten days of June , it is fastig ium appears in the middle and the last ten days of July .The floweris f irstly infected in the last ten days of June .The fastigium of the infected flower is the first ten day sof July .The number of the infected flowers is co rrelative to the relative humidity(R1 =0 .95)and thehours of sunlight(R2 =-0 .857)of the last three days .The leaves are infected in the early days of July, it is fast igium appears in the middle ten day s of July .The stems are infected in the first ten day s ofJuly(infected direct ively by sclerotia in soil), but the number is very low and increase very slow ly .Itincreases very fast in the last ten days of July and continue until the rape is reaped .

参考文献/References:

[ 1]李丽丽.世界油菜病害研究概述[ J] .中国油料, 1994 , 16(1):79-81.

[ 2]张永泰, 房风珠.气候条件对油菜菌核病的影响及放治阈值[ J] .植物保护学报, 1999 , 26(2):125-128.
[ 3]郭世平, 曾德联.油菜菌核病发展规律初探[ J] .中国油料,1989 ,(1):61-64.

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备注/Memo

收稿日期:2003 -09 -08　

第一作者简介:陈士华(1972 -), 女, 黑龙江省克东县人, 植物病理学硕士研究生,助教, 从事植物病害流行学研究。

更新日期/Last Update: 2016-12-07