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Attempts to control Botrytis cinerea on roses by pre- and postharvest treatments with biological and chemical agents
Year:
1993
Source of publication :
Crop Protection
Authors :
Elad, Yigal
;
.
Kirshner, Benny
;
.
Volume :
12
Co-Authors:
Elad, Y., Department of Plant Pathology, ARO, Bet Dagan, 50250, Israel
Kirshner, B.
Gotlib, Y., Advisory Service, Ministry of Agriculture, Rehovot, 76100, Israel
Facilitators :
From page:
69
To page:
73
(
Total pages:
5
)
Abstract:
The biocontrol agent Trichoderma harzianum and the fungicides polyoxine B, fenpiclonil, tebuconazole with or without dichlofluanid, and fenbuconazole were sprayed once a week in a rose greenhouse. Botrytis infection of branches was reduced by 50-70%. The importance of reduction of conidial inoculum by this treatment is discussed. Severity, but not incidence, of petal infection was found to be controlled significantly by some of the fungicides only 2 days after the application and not 5 days later. Fenpiclonil, tebuconazole, dichlofluanid alone or alternated with T. harzianum, and T. harzianum also reduced development of grey mould on flowers that were harvested soon after the treatment and incubated under Botrytis-conducive conditions. This beneficial effect was observed only with latent natural infection and not in flowers inoculated with B. cinerea conidia after harvest. The difficulty of controlling the disease by sprays in the greenhouse is discussed. Postharvest treatments by spraying cut flowers with the fungicides iprodione plus thiram, tebuconazole plus dichlofluanid and polyoxin D, but not with another 11 treatments, reduced disease incidence significantly by 50-58%. © 1993.
Note:
Related Files :
biological control
Botrytis cinerea
Control
fungicide
Rosa hybrida
Rose
Show More
Related Content
More details
DOI :
10.1016/0261-2194(93)90023-C
Article number:
Affiliations:
Database:
Scopus
Publication Type:
article
;
.
Language:
English
Editors' remarks:
ID:
21173
Last updated date:
02/03/2022 17:27
Creation date:
16/04/2018 23:42
Scientific Publication
Attempts to control Botrytis cinerea on roses by pre- and postharvest treatments with biological and chemical agents
12
Elad, Y., Department of Plant Pathology, ARO, Bet Dagan, 50250, Israel
Kirshner, B.
Gotlib, Y., Advisory Service, Ministry of Agriculture, Rehovot, 76100, Israel
Attempts to control Botrytis cinerea on roses by pre- and postharvest treatments with biological and chemical agents
The biocontrol agent Trichoderma harzianum and the fungicides polyoxine B, fenpiclonil, tebuconazole with or without dichlofluanid, and fenbuconazole were sprayed once a week in a rose greenhouse. Botrytis infection of branches was reduced by 50-70%. The importance of reduction of conidial inoculum by this treatment is discussed. Severity, but not incidence, of petal infection was found to be controlled significantly by some of the fungicides only 2 days after the application and not 5 days later. Fenpiclonil, tebuconazole, dichlofluanid alone or alternated with T. harzianum, and T. harzianum also reduced development of grey mould on flowers that were harvested soon after the treatment and incubated under Botrytis-conducive conditions. This beneficial effect was observed only with latent natural infection and not in flowers inoculated with B. cinerea conidia after harvest. The difficulty of controlling the disease by sprays in the greenhouse is discussed. Postharvest treatments by spraying cut flowers with the fungicides iprodione plus thiram, tebuconazole plus dichlofluanid and polyoxin D, but not with another 11 treatments, reduced disease incidence significantly by 50-58%. © 1993.
Scientific Publication
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