|Table of Contents|

Pathogen Identification and Screening of the Fungicides of Muskmelon Fruit Rot Caused by Penicillium oxalicum

《北方园艺》[ISSN:1001-0009/CN:23-1247/S]

Issue:
2019年18
Page:
52-57
Research Field:
Publishing date:

Info

Title:
Pathogen Identification and Screening of the Fungicides of Muskmelon Fruit Rot Caused by Penicillium oxalicum
Author(s):
SUN Lei1; BAI Xue2; BAI Qingrong1; ZHAO Tingchang2
(1.Institute of Plant Protection，Jilin Agricultural University,Changchun,Jilin 130118；2.Institute of Plant Protection，Chinese Academy of Agricultural Sciences，Beijing 100193)
Keywords:
muskmelon; Penicillium oxalicum; fruit rot; pathogen identification; screening of the fungicides
PACS:
-
DOI:
10.11937/bfyy.20190305
Abstract:
Pathogens which caused muskmelon fruit rot were gotten by tissue isolation method.Their pathogenicity were confirmed according to the Koch′s Postulation，and all of them were the pathogens.The pathogens were identified as Penicillim oxalicum based on morphological characteristics and rDNA-ITS，NS，NL，CAM and RPB2 sequence analysis.The sensitivity of the representative strain TGQM01 pathogens to 20 fungicides was tested to determine effective treatments for controling muskmelon fruit rot by spore germination method.The results showed that the spores of P.oxalicum was more sensitive to 25% pyraclostrobin EC，17% yraclostrobin?epoxiconazole SC，80% captan WG，70% polyram WG，22.5% picoxystrobin SC，75% trifloxystrobin?tebuconazole WG and 60% pyraclostrobin?metiram WG (0.001 7 mg?L-1EC501.000 0 mg?L-1).Followed by 75% chlorothalonil WP，450 g?L-1 prochloraz EW，500 g?L-1 thiophanatemethyl，25% azoxystrobin SC，250 g?L-1 difenoconazole EC and 12% fluxapyroxad?epoxiconazole EC (1.379 5 mg?L-1EC508.131 5 mg?L-1).These results provided theoretical basis for controlling of the disease.

References:

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Last Update: 2019-09-29