|Table of Contents|

Identification of Physiological Races and Screening of Disease-resistant Methods of Watermelon Fusarium Wilt Pathogen in Heilongjiang Province(PDF)

《北方园艺》[ISSN:1001-0009/CN:23-1247/S]

Issue:
2013年02期
Page:
103-107
Research Field:
Publishing date:

Info

Title:
Identification of Physiological Races and Screening of Disease-resistant Methods of Watermelon Fusarium Wilt Pathogen in Heilongjiang Province
Author(s):
WANG Xi-qing; JIA Yun-he; YOU Hai-bo
Department of Horticulture，Heilongjiang Academy of Agricultural Sciences，Harbin，Heilongjiang 150069
Keywords:
watermelon fusarium wilt; physiological races; pathogen; biological characteristics
PACS:
S 436.5
DOI:
-
Abstract:
Collecting eight watermelon fusarium wilt pathogen disease samples from the watermelon main producing areas of Heilongjiang province，the pathogens physiological species were identified firstly，and fusarium wilt pathogen species differentiation were studied in Heilongjiang，identification methods of resistance wilt were screened，and resistance of 26 breeding materials were indentified.The results showed that the incidence of water melon fusarium wilt reached above 70% after using 8 strains collected from the watermelon main producing area in Heilongjiang province infected melon;cucumber and melon were mild infected,and the incidence was below 20%,8 strains were all watermelon special fusarium bacteria watermelon wilt pathogen was physiological race 1 in Heilongjiang province.The best methods of disease-resistant identification in watermelon dusarium should be vaccination in unfolding stage of the cotyledon by dipping root inoculation with 1×105 spores/mL spore suspension.Three dusarium wilt highly resistant materials were selected.

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Last Update: 2014-08-30