root knot


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root knot

[′rüt ‚nät]
(plant pathology)
Any of various plant diseases caused by root-knot nematodes which produce gall-like enlargements on the roots.
References in periodicals archive ?
At harvest, a total of six plants was lifted from each plot and examined for the presence of the plant-parasitic root knot nematode by measuring of nematode-induced galling.
The increased root weight with increased Pi suggests that weight is not a good parameter to evaluate the effects of root knot nematode as reported byAnwarand Van Gundy (1993).
It has moderate resistance to southern root knot nematode based on an average root knot gall score (1 = no galls to 5 = severe galling) over four infested fields during 2001 and 2002 of 2.
Dukes and Fery attribute the pepper's popularity to its spicy taste, high yields, resistance to southern root knot nematodes, and compact plant size for home gardens.
Lecanicillium muscarium was isolated from egg masses of root knot nematodes collected from twenty vegetable fields of tomato, eggplants, and carrot whereas other fungi (Arthrobotrys oligospora, Dactylella oviparasitica, Clonostachys rosea) were isolated directly form the soil collected from localities of Semice (N 50.
These pathogens of brinjal crop, including root knot nematodes are the serious pathogen of brinjal crop and cause significant annual losses of the yield in Pakistan (Anwar et al.
1996), while LA887 is a cultivar with moderate resistance to root knot nematode (Jones et al.