Protection of stem wounds against Botrytis cinerea in heated tomato greenhouses with a strain of Fusarium sp. | [Protection des blessures des tiges contre Botrytis cinerea dans les serres chaudes de tomate avec une souche de Fusarium sp.]
1999
Decognet, V. ((Institut National de la Recherche Agronomique, Montfavet (France). Station de Pathologie Végétale)) | Trottin Caudal, Y. | Fournier, C. | Leyre, J.M. | Nicot, P.
An antagonistic strain of Fusarium sp. significantly reduced the incidence of stem lesions on tomatoes in 16 greenhouse trials conducted between 1996 and 1998 in southern France. Its efficiency in protecting pruning wounds was established for two tomato cultivars, and over a variety of fluctuating environmental conditions and levels of disease pressure. Delivery of this biological agent with a sprayers or with pruning shears bearing a small spray device was evaluated. Delivery of the antagonist via pruning shears did not seem to reduce the efficacy of wound protection. This result offers an interesting potential as the pruning-spraying shears allow simultaneous leaf removal and preventive wound protection. They present the additional advantage of delivering minute amounts of active ingredient in an optimally targeted fashion, reducing potential impact on the environment, including pollinators and other beneficial organisms
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