HEIGHT AND GIRTH ASSESSMENT OF TERMINALLA IVORENSIS SEEDLINGS INOCULATED WITH ABUSCULAR MYCORRHIZAL FUNGI GIROWN UNDER NACL SALT STRESS
Abstract
T:riisltlugz [‘J’_V;isc conducted betv‘veen Fel?ruary and May, 2024 in the Botanic
%‘un i i I‘OS'S, to determine, the impact of four arbusular mycorrhizal
e gi ( ) strains; Glomus_intraradices (Gi), Glomus etunicatum (Ge),
O T ones (Gm) and Glomus ocultum (Go) on height and girth of
Termmc_zlza ivorensis seedlings under salt stress. The experiment was a 9x3
rand.omlsed complete design (RCD) comprising of nine treatments with three
replicates, totalling 27 pots. The T.ivorensis seedlings were inoculated with
four AMF strains and were subjected to a 75mM level of sodium chloride
(Nacl) salt stress. AMF colonization, plant height and girth were determined
at harvest (12 weeks after emergence). The results clearly indicated that all
the salt stressed seedlings had highest AMF root colonization than their
unstressed counterparts. Seedlings treated with G.intraradices (Gi) in
combination with Nacl (GiNacl) recorded the highest percentage root AMF
colonization of 98.35% at 12WAE. Seedlings inoculated with G.intraradices
gave the highest plant height of 21.43cm. While unstressed seedlings
inoculated with G.occultum recorded the widest plant girth of 8.17mm. The
results revealed that inoculation with AMF have the potential in ameliorating
salt stress and enhancing afforestation in coastal areas of Nigeria
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