Pathogens, Vectors, and Plant Diseases. Approaches to by Kerry F. Harris

By Kerry F. Harris

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Extra info for Pathogens, Vectors, and Plant Diseases. Approaches to Control

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In particular, chloroplast breakdown and consequent leaf yellowing and senescence were greatly reduced. Tests o f treated plants by infectivity and electron microscopy showed n o reduction in virus content which tended t o be higher overall presumably because o f the lack o f leaf senescence. It appeared, therefore, that carbendazim acted mainly in the alleviation o f the effects o f infection. One hundred days after inoculation, when plants were 1 m in height, the leaves o f untreated, infected plants were yellowish and brittle, whereas those of carbendazim-treated, infected plants were flexible, uniformly green and devoid o f symptoms.

Its effect on alfalfa mosaic ( A M V ) and cucumber mosaic virus (CMV) are one o f the nearest approaches found in the protection o f plants from virus infection. , 1960). When solutions of AZ containing c. 0 . 0 0 5 M were sprayed on leaves o f tobacco (Nicotiana tabacum) or N. glutinosa it reduced the number of lesions and delayed systemic spread of AMV. It had no effect on t o m a t o spotted wilt virus (TSWV) in tomato, PVX and PVY in potato or tobacco and pea mosaic virus (PMV) in peas (Matthews, 1953a).

1 9 7 7 ) . Seed treatment for the control o f halo blight of beans (Pseudomonas phaseolicola). Ann. Appl. Biol. 8 5 : 2 2 3 - 2 3 2 . , and John, V. T. ( 1 9 8 0 ) . Suppression o f symptoms o f rice tungro virus disease b y carbendazim. Plant Dis. 6 4 : 4 0 2 4 0 3 . Thomas, T. H. ( 1 9 7 4 ) . Investigations into the cytokinin4ike properties o f benzimidazole derived fungicides. Ann. Appl. Biol. 7 6 : 2 3 7 - 2 4 1 . Tomlinson, J. A. ( 1 9 7 8 ) . Chemotherapy of plant virus diseases. Proc.

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