Greener Journal of Agricultural Sciences

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Syed et al.

Greener Journal of  Agricultural Sciences Vol. 2 (2),  March 2012.

  ISSN: 2276-7770


Efficacy of garlic extract and mancozeb against seed borne fungal pathogen of farmer saved sorghum (Sorghum bicolor) and groundnut (Arachis hypogaea) seeds {2010-2011}

 

*Syed D.Y.N1, Mengesteab T2, Robiel, N2, Robiel W2 and Tekle Z2

 

1Assistant Professor Department of Plant Protection, Hamelmalo Agricultural College, Hamelmalo, Eritrea.

2Graduate students Department of Plant Protection, Hamelmalo Agricultural College, Hamelmalo, Eritrea.

 

*Corresponding Author’s Email: syeddanishnaqvi84 @gmail. com

Abstract:

An experiment was conducted in 2010-11 at Department of Plant Protection, Hamelmalo Agricultural College, Hamelmalo, Eritrea to determine the type of seed borne fungal pathogens associated with stored sorghum (Sorghum bicolor) and groundnut seeds (Arachis hypogaea). The sorghum and groundnut seeds were obtained from Hamelmalo farmers of Keren Sub-Zoba. Five fungal genera were identified to be growing on the seed samples. These were Alternaria alternata, Fusarium oxysporum, Aspergillus sp, Rhizopus sp and Colletotrichum graminicola. All the five fungi occurred in the control seed sub-samples, whereas only three (Alternaria alternata, Fusarium oxysporum and Rhizopus sp.) of the five occurred in the sub-samples that were treated with different treatments. On evaluation of fungicides and garlic extracts against seed borne fungal pathogen of sorghum and groundnut. All treatments were evaluated through inhibition of seed germination test and mycelia weight. Among different treatments combinations T2 (4 gm garlic/kg seed) was most effective which showed maximum seed germination in sorghum and groundnut i.e. 96.70% and 0.42 and 0.26 g mycelia weight respectively followed by T4 (2 g garlic+2 g mancozeb per kg seed) and T3 (2 g mancozeb per kg seed)  and was effective than control.

 

Key words: Seed borne fungal pathogen, sorghum, groundnut, storage, mancozeb, garlic extracts, In vitro evaluation.


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