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Efficacy of some resistance inducers in controlling cumin Fusarium wilt disease [electronic resource].

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El-Fawy, M.M

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Language: English Summary language: Arabic Description: p.151-162Other title:

فاعلية بعض مستحثات المقاومة في مقاومة مرض الذبول الفيوزاريومي في الكمون.‪ [Added title page title]

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Assiut journal of agricultural sciences, 2009 v. 40 (2), Special issue [electronic resource]:

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In: Assiut Journal of Agricultural Sciences 2009.v.40(2)Summary: The present study was undertaken to evaluate the effect of some resistance inducers in controlling cumin wilt disease caused by Fusarium oxysporum f. sp. cumini. In Vitro, three resistance inducers (salicylic acid, ascorbic acid and catechol) at ten concentrations (from 1 up to 10 mM) and two isolates of the pathogen were used in this experiment. All tested resistance inducers reduced the mycelial growth of the tested isolates at the higher concentrations. Salicylic acid gave the higher inhibition effect on the linear growth of the pathogen, while ascorbic acid exhibited the lowest effect. Under greenhouse conditions, application of the resistance inducers at 1 and 2 mM with two isolates of the pathogen gave significant reduction in disease infection percentage. Cumin seeds treatment by salicylic acid and ascorbic acid at 2 mM concentration for 3 minutes before sowing proved to be very effective against the pathogen. Meanwhile, salicylic acid exhibited the highest effect in controlling the disease.

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The present study was undertaken to evaluate the effect of some resistance inducers in controlling cumin wilt disease caused by Fusarium oxysporum f. sp. cumini. In Vitro, three resistance inducers (salicylic acid, ascorbic acid and catechol) at ten concentrations (from 1 up to 10 mM) and two isolates of the pathogen were used in this experiment. All tested resistance inducers reduced the mycelial growth of the tested isolates at the higher concentrations. Salicylic acid gave the higher inhibition effect on the linear growth of the pathogen, while ascorbic acid exhibited the lowest effect. Under greenhouse conditions, application of the resistance inducers at 1 and 2 mM with two isolates of the pathogen gave significant reduction in disease infection percentage. Cumin seeds treatment by salicylic acid and ascorbic acid at 2 mM concentration for 3 minutes before sowing proved to be very effective against the pathogen. Meanwhile, salicylic acid exhibited the highest effect in controlling the disease.

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