Author:
Adewole M.B.,Awotoye O.O.,Ohiembor M.O.,Salami A.O.
Abstract
The influence of mycorrhizal fungi in uptake of heavy metals, pollution
response index and yield of sunflower in degraded soils were investigated. It
was a greenhouse experiment with 2 arbuscular mycorrhizae (Glomus mosseae,
Glomus intraradices) and a non-inoculation that served as control. The
treatments were replicated 3 times in a completely randomized design. Each of
the treatment consisted of 30 pots and each pot was filled with 5 kg by
weight of dried top soil. Solutions of lead acetate and cadmium sulphate at
variable levels of: 0, 250, 500, 750, 1000 mg kg-1 and 0, 20, 40, 60, 80 mg
kg-1 respectively were used to pollute the soils. Increase in
pollution-stressed conditions significantly (P<0.05) reduced the infection of
sunflower roots, and the uptake of Pb and Cd in the dry root of sunflower was
also significantly (P<0.05) reduced. Also, arbuscular mycorrhizae enhanced
the root infection of sunflower, increased the pollution tolerance and
consequently increased the yield of sunflower.
Publisher
National Library of Serbia
Subject
Plant Science,Soil Science,Agronomy and Crop Science,Animal Science and Zoology
Cited by
4 articles.
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