Controlling of Meloidgyne incognita using nematicides, on four peppers cultivars

Organic acids and plant extracts, which have a nemacidal action and may be used instead of nematicides that pollute the environment, are one way for controlling the pepper root-knot nematode. This study provides for the first time a new strategy for management Meloidgyne incognita (Kofoid and White) by using organic acids and plant extract compared to nematicides on four peppers cultivars (Super amarr, Super mard, Super noura and Werta) under greenhouse conditions compared to nematicides.

This study aimed to evaluate 0.1 % of organic acids (humic and salicylic acid) and 0.1 % of Linum usitatissimum extract on plant parameters of pepper varieties (Super amarr, Super mard, Super noura and Werta) and control of M. incognita under greenhouse conditions compared to four nematicides (Oxamyl 24% SL, Fosthiazates 75% EC, Ethoprophos N40% EC and Fenamiphos 40% EC).

The data obtained four nematicides were more effectiveness than other treatments in reduced galls and egg masses of M. incognita. Whilst, humic and salicylic acids have remarkably higher nematicidal activity than L. usitatissimum in all lines of pepper. Therefore, plant extract and organic acids may be used a best alternative of nematicides to control PPNs and caused the longitudinal growth of plant. Also, ultimately reduce environmental risk from nematicide pollution.

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Eldeeb, Ahmed & Farag, Ahmed & Al-Harbi, Muhammad & Kesba, Hosny & Sayed, Samy & Elesawy, Ahmed & Hendawi, Mohamed & mohamoud, El-sayed & Aioub, Ahmed. (2022). Controlling of Meloidgyne incognita (Tylenchida: Heteroderidae) using nematicides, Linum usitatissimum extract and certain organic acids on four peppers cultivars under greenhouse conditions. Saudi Journal of Biological Sciences. 29. 3107-3113. 10.1016/j.sjbs.2022.03.018.  

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