Effect of Root-knot nematode, Meloidogyne incognita (Koford and white) on different cultivars of Splanum melongena L.
Effect of Root-knot nematode, Meloidogyne incognita (Koford and white) on different cultivars of Splanum melongena L.
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Date
1987-09
Authors
GEORGE, SALAMATU JUMMAI
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Abstract
A preliminary survey in some parts of Kaduna State namely
Birnin Gwari, Funtua, Jemaa, Kaduna, Katsina, Wanka and Zaria
showed that most vegetable crops were infested by Neloidogyne,
incognita except for Birnin Gwari where Meloidogyne javanica
was extracted from the roots of Okra, Hibiscus esculentum.
Ten different cultivars of Splanum melongena were tested
for susceptibility against root-knot nematode, M. incognita
and Solanum melongena var Zaria (SMZ-1) was found highly
susceptible with root-knot index rated as 5.0 while Solanum
melongena Var. Ilorin (SMI-1) was immune with root-knot index
rated 0.
Histological slides of infected roots showed damages done
to the cortical regions of the roots as well as parts of the
stelar regions.
Four Neinaticides were tested for the control of root-knot
nematodes on eggplant. Basamid was feund effective but stays
too long in the soil and phytotoxio to. the plants. DD was
• ; * • • " •' •' • •
also very effective but it has adverse effect on mammalian
health and also it's application requires great labour and ,
skill from the farmers. Mocap was quite effective in the control
of root-knot nematode, but phytotoxic.to plants above recommended
dosage.
Oxamyl was the most effective compound,in the trials in
terms of root-knot index and fruit yield increase, but it has
a high oral toxicity., though its dermal toxicity is low
Description
A thesis submitted in partial fulfillments of the requirement
for a degree of Master of Science in Botany, to the
Postgraduate School. Ahmadu Bello University, Zaria.
DEPARTMENT OF BIOLOGICAL SCIENCES
AHMADU BELLO UNIVERSITY,
ZARIA, NIGERIA.
SEPTEMBER, 1987
Keywords
EFFECT,, Root-knot,, nematode,, Meloidogyne,, incognita,, (Koford and white), different,, cultivars,, Splanum melongena.