Biocontrol of soil-borne plant pathogens with introduced inocula

Deacon, J.W.

doi:10.1098/rstb.1988.0008

Cited by 22 publications

(4 citation statements)

References 54 publications

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“…Once again, this has rarely translated into effective field control (Deacon, 1988). There is still much work required before application of biocontrol agents for soil pests becomes an option available to the smallholder farming sector in Africa.…”

Section: Control Of Soil-borne Pathogensmentioning

confidence: 98%

Soil pests in traditional farming systems in Sub‐Saharan Africa—a review. Part 2. Management strategies

Hillocks

Logan

Riches

et al. 1996

International Journal of Pest Management

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In this, the second of two review papers, we discuss potential management strategies for the soil pest problems encountered by smallholder farmers in sub-Saharan Africa, and analyse the potential role for IPM in smallholder agriculture. Adopting a farming systems approach is seen as essential, given the resource constraints on smallholders: this ensures that adequate attention is given to both the agronomic and socio-economic characteristics of different farming systems. The challenges of providing recommendations for managing a range of pests in complex cropping systems are identified together with objectives for future research into soil pest problems of smallholder farmers.

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Section: Control Of Soil-borne Pathogensmentioning

confidence: 98%

Soil pests in traditional farming systems in Sub‐Saharan Africa—a review. Part 2. Management strategies

Hillocks

Logan

Riches

et al. 1996

International Journal of Pest Management

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“…(Capper & Campbell, 1986) and fungi such as Phialophora spp. and Mimdochium bollqi (Deacon, 1988). Wilt diseases, caused by Fusarium species, are being investigated as targets for biological control by fungi (Alabouvette et al, 1986) and by Pseudomonas spp.…”

Section: Tiisloty /'Biological Controlmentioning

confidence: 99%

Current status of biological control of soil‐borne diseases

Campbell¹

1990

Soil Use and Management

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Abstract. Biological control by manipulating agricultural practices has been used for thousands of years. In the more restricted sense, of adding antagonistic micro‐organisms, biological control is still a very small part of the chemical pesticide market, but reliable products are becoming available. Achieving consistent results in realistic agricultural conditions is a problem, but there is a good possibility of controlling root diseases, especially where the soil characteristics or the environmental conditions can be controlled. The use of biological control in integrated control is successful, and in the long‐term genetic engineering techniques will be important in the development of biological control. Environmental safety and effective patent protection are still being developed, but there seem to be no insuperable problems.

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“…The use of solid, bulk materials (grains, straws, inert materials moistened with nutrients) in preparations of microbial pest control agents (MPCAs) continues to be the preferred approach to control diseases caused by soilborne plant pathogenic fungi (Deacon, 1988;Papavizas & Lewis, 1981). The first 60 J.…”

Section: Introductionmentioning

confidence: 99%

A new formulation system for the application of biocontrol fungi to soil

Lewis

Papavizas

Lumsden

1991

Biocontrol Science and Technology

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A new biocontrol formulation system was devised that does not require sterile conditions during preparation. It involves mixing vermiculite and powdered wheat bran with wet or dry fermentor biomass of Trichoderma spp. or Gliocladium virens, moistening with 0·05 Ν HCl, and drying the mixture. Before application to soil, the preparation (VBA-FB) is activated by re-moistening with 0·05 Ν HCl and incubated at room temperature for 2-3 days to stimulate development of young hyphae of the biocontrol fungus. Populations of biocontrol fungi proliferated to greater than 10 7 colony-forming units (cfu) per g of soil when activated VBA-FB was added to soil. In soil artificially infested with Rhizoctonia solani, seven isolates of the 14 studied added as VBA-FB reduced survival and 12 reduced saprophytic growth of the pathogen. Of these, two isolates of T. hamatum (TRI-4, Tm-23) and one of T. harzianum (Th-87) were the most effective. Preparations formulated with either wet or dry biomass effectively reduced pathogen survival, but activated VBA-FB was more effective than non-activated VBA-FB. Storage of VBA-FB at 25°C for 24 weeks before activation reduced viability of isolates considerably more than storage at 5°C for 24 weeks. In addition, VBA-FB stored at 5°C before activation more effectively reduced survival of R. solani than VBA-FB stored at 25° C. Survival of R. solani was reduced by activated VBA-FB applied to several soil types (sandy loam, sandy clay loam, clay). Some nitrogen fertilizers increased the efficacy of VBA-FB preparations of several isolates.

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Biocontrol of soil-borne plant pathogens with introduced inocula

Cited by 22 publications

References 54 publications

Soil pests in traditional farming systems in Sub‐Saharan Africa—a review. Part 2. Management strategies

Soil pests in traditional farming systems in Sub‐Saharan Africa—a review. Part 2. Management strategies

Current status of biological control of soil‐borne diseases

A new formulation system for the application of biocontrol fungi to soil

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