K. Venkateswarlu et al., THE IMPACT OF CARBOFURAN SOIL APPLICATION ON GROWTH AND MYCORRHIZAL COLONIZATION BY GLOMUS-CLARUM OF GROUNDNUT, Mycorrhiza, 5(2), 1994, pp. 125-128
The influence of soil application of carbofuran on the growth response
of groundnut, and both mycorrhizal colonization and sporulation of Gl
omus clarum was studied in a pot culture experiment. Carbofuran applic
ation with or without mycorrhizal inoculation increased the height of
the potted plants measured 8 weeks after sowing. Mycorrhizal plants we
re significantly taller than nonmycorrhizal plants at the final harves
t time (14 weeks). Carbofuran, at the recommmended field dose of up to
2 kg/ha, greatly increased shoot dry matter and pod yield in mycorrhi
zal groundnut. Colonization and sporulation by this VAM fungus were al
so enhanced significantly at these dose levels. The application of car
bofuran at 5 kg/ha inhibited both growth and mycorrhizal status of gro
undnut.