XI WORLD FORESTRY CONGRESS

Antalya, Turkey, 13 to 22 October 1997


VOLUME 3, TOPIC 12


    SUBSTITUTION OF METHYL BROMIDE FOR DISEASE CONTROL IN FOREST NURSERIES*

    María Isabel Salerno and Jorge Eloy Giménez1

    Successful forest tree production in nurseries depends on many interacting factors. Seedling quality is reflected on subsequent tree growth and forest productivity. Consequently, the production system should be aimed at producing healthy and well-developed seedlings. Soil sterilization with methyl bromide is one of the traditional practices for controlling pathogenic microorganisms and weeds. This fumigant is effective but has a number of disadvantages: it affects the beneficial microflora (especially mycorrhizae), it is expensive and toxic to animals and people and may contribute to depletion of stratospheric ozone. An integrated disease control approach is proposed in order to protect the environment and human health through reduced use of methyl bromide.

    1 Centro de Investigaciones de Suelos y Aguas de Uso Agropecuario (CISAUA) Calle 3 No. 584. 1900 La Plata. Argentina

    * French-Argentine Cooperation Project. Coordinator: Dr. Robert Perrin, INRA, Dijon, France. (President IUFRO Working Party S2.06)



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