Acibenzolar-S-methyl showed great promise for target spot management. SAR activator compounds, such as acibenzolar-S-methyl, control plant diseases in a novel way. When applied to plant surfaces, they elicit a plant defense reaction, analogous to the immune reaction in animal systems (STRICHER et al. 1997). SAR activators tend to be of low mammalian toxicity and are environmentally friendly. Acibenzolar-S-methyl should fit well in an integrated pest management program for tomatoes (POHRONEZNY et al. 1986). This compound has full registration for use on tomato in the United States, and many Florida growers are beginning to use it on their tomato
crops. Acibenzolar-S-methyl has also been shown to be effective against two other foliar diseases of tomato, bacterial spot and bacterial speck (LOUWS et al. 2001). Not all SAR activators may be equally efficacious against all diseases, however. For example, in our tests, the SAR activator harpin protein did not provide economically acceptable levels of target spot control.
Acibenzolar-S-methyl showed great promise for target spot management. SAR activator compounds, such as acibenzolar-S-methyl, control plant diseases in a novel way. When applied to plant surfaces, they elicit a plant defense reaction, analogous to the immune reaction in animal systems (STRICHER et al. 1997). SAR activators tend to be of low mammalian toxicity and are environmentally friendly. Acibenzolar-S-methyl should fit well in an integrated pest management program for tomatoes (POHRONEZNY et al. 1986). This compound has full registration for use on tomato in the United States, and many Florida growers are beginning to use it on their tomato
crops. Acibenzolar-S-methyl has also been shown to be effective against two other foliar diseases of tomato, bacterial spot and bacterial speck (LOUWS et al. 2001). Not all SAR activators may be equally efficacious against all diseases, however. For example, in our tests, the SAR activator harpin protein did not provide economically acceptable levels of target spot control.
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