Nematropica (2010) 40, 289-299

Kamal A. Abo-Elyousr, Zakaullah Khan, Magd El-Morsi Award and Montaser Fawzy Abedel-Moneim (2010)
Evaluation of plant extracts and Pseudomonas spp. for control of root-knot nematode, Meloidogyne incognita on tomato
Nematropica 40 (2), 289-299
Abstract: Fresh leaf extracts of Azadirachta indica (neem), Allium sativum (garlic) and Tagetes erecta (African marigold) and bacterial suspensions of Pseudomonas fluorescens and P. aeruginosa were tested against Meloidogyne incognita on tomato under in vitro, pots and field conditions. All treatments immobilized juveniles (J2); with the highest effect caused by neem leaves extract and the lowest by P. aeruginosa after 24 h and 48 h of exposures. In soil all treatments significantly reduced root galling, nematode population, and enhanced plant growth and yield, with bacterial treatments being the most effective. Nematode populations were reduced greater by nematicide (Vydate 10 G) treatment but the greatest increase in yield (67%) was obtained with P. fluorescens; the treatment reduced root galling by 68-70% and 48% in pot and field experiments, respectively. Among the plant species, garlic demonstrated best control reducing root galls by 57% in pots under greenhouse and 33% in field conditions and increasing fruits yield by 47%.
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Database assignments for author(s): Kamal A.M. Abo-Elyousr, Zakaullah Khan

Research topic(s) for pests/diseases/weeds:
control - general
biocontrol - natural enemies
Research topic(s) for beneficials or antagonists:
evaluation - screening - selection

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Pest and/or beneficial records:

Beneficial	Pest/Disease/Weed	Crop/Product	Country	Quarant.
	Meloidogyne incognita	Tomato (Solanum lycopersicum)	Egypt
Pseudomonas fluorescens (antagonist)	Meloidogyne incognita	Tomato (Solanum lycopersicum)	Egypt