Comportamiento del tizón temprano del tomate (Alternaria solani) en las condiciones del municipio de Holguín, Cuba []. Ricardo, N.S., Dirección Provincial. Evaluación de fungicidas para el control de tizón temprano (Alternaria solani) en tomate []. Maeso, D. Access the full text: NOT AVAILABLE. Lookup the. Se recogen resultados del estudio de la interacción de “A. solani” con tomate y papa empleando aislados fúngicos de Cuba, EEUU, Turquía, Grecia, Rusia y.

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Tomate Lycopersicon esculentumBatata Solanum tuberosum. Centro Nacional de Sanidad Agropecuaria. BoxGuayaquil, Ecuador. Induction of resistance, especially by chemical or biological activators, is another alternative quite often used in crop protection to control the disease. At 12 days post-inoculation, the percentage of necrotic area per leaf NLA was determined in all plants by visual assessment by two evaluators see time line in Table 2.

Plant Disease Mngmt Simulations. Detectable levels of all enzymes were observed in the control treatment Table 3confirming the existence of a constitutive enzyme level in the cultivar. En las hojas se generan manchas circulares o angulares que a veces presentan un halo amarillo. The mycorrhizas were inoculated only once at planting by coating the seeds. The objective of the research was to measure the protection by chemical and biological resistance activators to the damage of A.

Fungi and Fungus-like Organisms. A cultura do tomate foi considerada inicialmente uma atividade de pequenas propriedades. Vloutoglou, I and S. Stewart’s wilt of corn. The results showed herein suggested the ASM-mycorrhizas treatment to reduce the progression of mm necrotic spots in the host lowest NLA rather than to prevent infection events highest SPL.

In general, yield was low in the experiment here in reported, despite the fact that it was performed in the optimum growing season winter. No significant differences among treatments were observed with ASM-mycorrhizas, although more damage was observed in all the treatments with spirulina Fig. Not marketable fruits were discarded.

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Evaluación de fungicidas para el control de tizón temprano (Alternaria solani) en tomate

The first principal component CP1 was strongly and positively correlated with the original enzymatic variables, while NLA was also strongly correlated with these variables but negatively. Para controlar la alternariosis es fundamental retirar los frutos y plantas afectadascontrolar la humedad ambiental y emplear productos fitosanitarios que ayuden a eliminar esta enfermedad. The cyanobacterium Arthrospira platensis Nordstedt Gomont Spirulina is marketed primarily as a nutritional supplement in humans Subsequently, the mycelium of each isolate was vacuum filtered through filter paper Whatman 1weighed and proportionally fragmented into blender for min.

Todo el experimento fue asperjado con una mezcla de cepas de A.

Plagas y enfermedades del tomate

Induction of tomato resistance to Alternaria solani Sor. The favorable effect of MVA on tomato yield is well known under Cuban field solni 25 as well as in reducing infection by A. The induction of six enzyme systems was determined at 0d, 1d, 7d and 10d after pathogen inoculation.

By the PCA, the first two components were found to explain a high proportion of the total variability Due to the presence of exopolysaccharides in its cultures, it is expected that there is a positive effect on the defense system of plants. This unique feature makes SAR a highly desirable trait in crop production. Recibir un email con los siguientes comentarios a esta entrada. Even, the same authors indicated ASM had no measurable effect on the early and late blight of potato when applied without the accompaniment of fungicides underfield conditions in the UU.

Early blight of potato and tomato (Pinta-preta {Alternariose} da batata e tomate – Português)

The presented results show a positive effect of combining seed coating with mycorrhizas and ASM application once the plants are established after transplantation. Em um estudo sobre o efeito de C. In Potato Health Management.


Foliar damage by A. Mientras que en el tallo y peciolo se producen lesiones negras y con forma alargada.

Similar experiments in Australia, but with dn in production greenhouses and a dose of mg a. Glomus intraradices was highly efficient in harvest index values and fruit fresh weight, respectively How to cite this article.

At 59 d post-transplant, all treatments were inoculated with a mixture of four Cuban pathogenic isolates of A. In fact, ASM-mycorrhizas was the only treatment that markedly but not significantly differed from five of the total seven treatments, considering the NLA. Its control by fungicides, long-term crop rotations and soil fumigation 1 have been largely assayed. It remains to determine the response of tomato under more favorable conditions for the pathogen infection, such as planting outside the optimum growing season, where temperatures tomatte the epidemic, or in areas with high rates of infection.

Evaluation of acibenzolar-S-methyl for the control of Meloidogyne javanica and effects on the development of susceptible and resistant soybean.

Services on Demand Journal. Cornide MT, Izquierdo F. New alternatives to fungicides with low environmental impact and low toxicity to living beings tomatw been tested to evaluate their ability to control diseases. There was no statistical difference in commercial fruit production between treatments.

Effects of cultivar resistance, leaf wetness duration and temperature on rate of development of potato early blight. The effect of fungicide schedules and inoculum levels on early blight severity and yield of potato.

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