EFENDI, KUSNADI
(2014)
SKRINING GALUR INBREED JAGUNG (Zea mays L.) UNTUK
KETAHANAN ALUMINIUM (Al) MENGGUNAKAN
LARUTAN HARA.
Other thesis, Fakultas Pertanian.
Abstract
ABSTRACT
This research was about Screening of Corn (Zea mays L.) for Aluminium
(Al) Tolerance using Nutrient Solution. It has been done in Acclimatization
Room, Tissue Culture Laboratory, Department of Agronomy, Faculty of
Agriculture, Andalas University, Padang. It conducted on November until
Desember 2011. Material was used corn inbreed lines (Smrg M6-3, HP 6, Smrg
B.33.1., Smrg B.2.5.2., Sukmaraga 99, BM 22, Gg 31, and Gg 11), 1167,12 µM
nutrient solution, and as aluminium treatment was AlCl3.6H2O. This analysis also
used ATI (Aluminium Tolerance Index) and RDW (Relative Dry Weight) plant. It
was analysis is used to know tolerance level in corn inbreed lines of Al stress. The
result showed that inbreed lines have genetic variability from Al stress. The
variability of root lenght was large. Based on RDW analysis, only RRDW
(Relative Root Dry Weight) analysis and RSDW (Relative Stem Dry Weight)
analysis showed middle variabilities. Thus, Root/Shoot Ratio was also showed
large variability. According to root length based on ATI (Aluminium Tolerance
Index) analysis, it showed 6 corn inbreed lines that have tolerance from Al stress.
Based on RDW (Relative Dry Weight), there was only 1 line showed tolerance of
Al based on RDW (Root Dry Weight) analysis. On the other hand, all lines were
tolerance of Al based on RSDW analysis. There were 22,00%-47,00% decreases
of Root/Shoot Ratio of lines in 20 µM Al stress than 0 µM stress.
Key word: Screening, aluminium tolerance, corn inbreed lines, nutrient solution.
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