Growth
Analysis of Jack Bean Inoculated with Acaulospora
sp in Nickel-Contaminated Soil
Muhammad Akhsan Akib, Kahar Mustari, Tutik
Kuswinanti, Syatrianti A. Syaiful.
Abstract— Growth
analysis is a method to determine the response of plant phenotype to the
environmental factors affecting the plant growth. The aim of this research was
to analyze the growth of jack bean (Canavalia ensiformis) inoculated
with Acaulospora sp in nickel-contaminated soil. The study was conducted
in the Nursery area of Vale Indonesia Corporate, Sorowako, with three
treatments of Acaulosporasp isolated from different environments, namely
indigenous Acaulosporasp, exotic Acaulosporasp and without Acaulospora
sp. Results showed that jack bean inoculated with indigenous Acaulospora sp
had value of average leaf area, leaf area index, net assimilation rate and relative growth
rate are higher than those jack bean
inoculated with exotic Acaulospora sp and without Acaulospora sp.
The higher
tolerance to environmental conditions with extreme nickel metal concentrations
indicates potential of indigenous mycorrhiza that can be used as biological
filter agent to promote plant growth.
Index
Terms— Mycorrhiza, heavy metal, biological agent, photosynthesis.
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