PNABD246.pdf

Keloidogyne incognita and Rhizobium sp on mng bean (Phaseolus aureus).
INDIAN JOURNAL OF NEMATOLOGY, v.5:189-199. [En] [En Abst] (REP.MB-2828)
Meloidogyne incognita, besides being pathogenic to mungbean, was found to
interfere with bacterial nodulation and hamper nitrogen fixation. Inoculation
experiments have shown that irrespective of the time of inoculation of the two
organisms, the inclusion of nematode in any of the treatments at any levels of
population caused significant decrease in height of plants, fresh and dry
weights of shoot and root, number of nodules in primary and secondary root
systems and in nitrogen content of the shoot and root compared to the
uninoculated control. Reduction of nitrogen content may be due to overall
reduction in root nodulation, anatomical changes in nodules and the altered
physiology of the host. [AS]
*0592 Bopaiah, B.M. ; Patil, R.B. ; Reddy, D.D.R. 1976. Effect of
Meloidogyne javanica on nodulation and symbiotic nitrogen fixation in mu,
Vigna radiata. INDIAN JOURNAL OF NEMATOLOGY, v.6:124-130. [En] [En Abst]
(REP.MB-2829)
Effect of Meloidogyne javanica on growth, nodulation and nitrogen fixation
in mungbean plants was investigated. Inoculation of root-knot nematode alone,
simultaneous'.y or 2 to 7 days preceding Rhizobium inoculation had deleterious
effect on plant growth compared to plants inoculated with Rhizobium alone. The
nematode inoculation prior to rhizobia resulted in maximum reduction of
nodules. In plants where Rhizobium inoculation preceded nematode inoculation or
inoculated with Rhizobium alone, growth and nodulation were normal. The
infestation by the nematode interfered with nitrogen fixation and reduced the
nitrogen content of shoot and root. [AS]
*0593 Jain, M.K. ; Rewari, R.B. 1977. A report on the infestation of urid
(Phaseolus mungo) crop by root knot nematode. INDIAN JOURNAL OF MYCOLOGY AND
PLANT PATHOLOGY, v.7:94. [En] (REP.MB-2426)
The root-knot nematode, Meloidogyne incognita, was found to infest the
roots of blackgram (variety MK 18) inoculated with Rhizobium in pots culture
experiment. At the end of the experiment no Rhizobium was found in infected
pots, which suggests that the nematode was antagonistic to Rhizobium. [THH]
*0594 Singh, Inderjit ; Sharma, S.K. ; Sakuja, P.K. ; Sharma, N.K. 1979.
Efficacy and persistence of some nematicides against root-knot nematode,
Keloidogyne incognita on pulses. TROPICAL GRAIN LEGUME BULLETIN, v.1 6 ;3-6.
[En] (A:PS)
Five nematicides at 2 to 3 concentrations each were evaluated for control
of root-knot nematode (Meloidogyne incognita) on mungbean. DBCP, D-D and
Lexanema (6 kg/ha) were the most effective in reducing root galling.
Fignificant increases in yield over the control were observed, for all
treatments except hexanema, aldicarb, and fensulfothion when used at the lower
concentrations. In a subsequent chickpea crop, only hexanema, fensulfothion and
aldicarb when used at the higher concentrations had enough residual action to
significantly increase the yield over the control. [EMS]
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