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Physical, biological, and chemical control integrated for soilborne diseases in potatoes
Year:
1980
Source of publication :
Phytopathology
Authors :
Elad, Yigal
;
.
Volume :
70
Co-Authors:

J Katan, I Chet

Facilitators :
From page:
418
To page:
422
(
Total pages:
5
)
Abstract:

Solar heating of the soil (by polyethylene mulching) or the fumigant methyl bromide, when tested under field conditions, significantly reduced diseases caused by Rhizoctonia solani and Verticillium dahliae. The biocontrol agent Trichoderma harzianum reduced R. solani disease. Combining solar heating or methyl bromide with T. harzianum improved their efficiency and also resulted in the control of Sclerotium rolfsii. The methyl bromide treatment significantly increased the yield by 64% in one experiment. Both T. harzianum and solar heating reduced the inoculum potential of R. solani and its build-up in the field and under greenhouse conditions. This was more pronounced when the two treatments were combined. Vapam, methyl bromide or solar heating killed 76-100% of the S. rolfsii sclerotia buried in the soil during treatment. Combining heat treatment and T. harzianum, both at sublethal doses and under greenhouse conditions, resulted in 90-100% control of S. rolfsii disease in beans. Integrated control of soilborne diseases in potatoes was achieved by an optimal combination of physical, chemical, and biological means.

Note:
Related Files :
Ammonia
chemical control
pentachloronitrobenzene
potato
Rhizoctonia solani
Trichoderma harzianum
Show More
Related Content
More details
DOI :
10.1094/Phyto-70-418
Article number:
0
Affiliations:
Database:
Google Scholar
Publication Type:
article
;
.
Language:
English
Editors' remarks:
ID:
37641
Last updated date:
02/03/2022 17:27
Creation date:
24/10/2018 08:04
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Scientific Publication
Physical, biological, and chemical control integrated for soilborne diseases in potatoes
70

J Katan, I Chet

Physical, biological, and chemical control integrated for soilborne diseases in potatoes

Solar heating of the soil (by polyethylene mulching) or the fumigant methyl bromide, when tested under field conditions, significantly reduced diseases caused by Rhizoctonia solani and Verticillium dahliae. The biocontrol agent Trichoderma harzianum reduced R. solani disease. Combining solar heating or methyl bromide with T. harzianum improved their efficiency and also resulted in the control of Sclerotium rolfsii. The methyl bromide treatment significantly increased the yield by 64% in one experiment. Both T. harzianum and solar heating reduced the inoculum potential of R. solani and its build-up in the field and under greenhouse conditions. This was more pronounced when the two treatments were combined. Vapam, methyl bromide or solar heating killed 76-100% of the S. rolfsii sclerotia buried in the soil during treatment. Combining heat treatment and T. harzianum, both at sublethal doses and under greenhouse conditions, resulted in 90-100% control of S. rolfsii disease in beans. Integrated control of soilborne diseases in potatoes was achieved by an optimal combination of physical, chemical, and biological means.

Scientific Publication
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