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Journal of Biological Sciences

Year: 2014 | Volume: 14 | Issue: 8 | Page No.: 501-507
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Authors

S. Jaikishun

N. Hunte

A.A. Ansari

S. Gomathinayagam

Keywords

Research Article

Effect of Vermiwash from Different Sources (Bagasse, Neem, Paddy Straw, in Different Combinations) in Controlling Fungal Diseases and Growth of Tomato (Lycopersicon esculentum) Fruits in Guyana

S. Jaikishun, N. Hunte, A.A. Ansari and S. Gomathinayagam
The demand for products and technologies based on plants to control plant pathogens has increased in recent years due to the concern about the use of hazardous pesticides. The present study was carried out during the year 2011-12 at University of Guyana, Guyana with the objective of using vermiwash produced from different plant sources against tomato fruit fungus and growth of tomatoes. Vermiwash was produced using bagasse, neem and paddy straw in different combinations )T1 to T9( and was used as foliar spray on tomato plants with respective treatments. Plant growth parameters and effect of vermiwash produced from different plant materials were used against tomato fruit fungus Alternaria alternata were monitored during the study. The findings from this experiment indicated that vermiwash with combination of neem+earthworm+cattle dung in T3, T6 and T7 were very effective depending on their concentration or percentage to get rid of pathogens and improve yield and growth parameters of tomato fruit. The treatment T1, T2, T6, T7, T8 and T9 at 10% dilution of vermiwash were effective against A. alternata affecting tomato fruits. At 5% dilution there was no inhibition of A. alternata, T7 had a maximum of 12 colonies and T1 on the other hand had a maximum of 5 colonies. At 10% dilution growth of A. alternata were killed for most treatments except T3, T4 which consisted of two colonies each and T5 a colony count of 6. At 15% dilution there was growth of A. alternata in all treatments except T8. Maximum growth was observed on petri plates containing T1 and T2 with a count of 8 colonies and a minimum growth of one colony present in T7. At 20%, growth of A. alternata was observed in all treatments. The maximum growth was seen in T1 with 27 colonies and minimum growth in T5 with 1 colony. This indicated that at a concentration of 10% vermiwash would more likely to inhibit growth or kill the A. alternata.
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How to cite this article

S. Jaikishun, N. Hunte, A.A. Ansari and S. Gomathinayagam, 2014. Effect of Vermiwash from Different Sources (Bagasse, Neem, Paddy Straw, in Different Combinations) in Controlling Fungal Diseases and Growth of Tomato (Lycopersicon esculentum) Fruits in Guyana. Journal of Biological Sciences, 14: 501-507.

DOI: 10.3923/jbs.2014.501.507

URL: https://scialert.net/abstract/?doi=jbs.2014.501.507

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