VARIASI DERAJAT TOLERANSI TANAMAN PADI TERHADAP CEKAMAN ALUMINIUM BERDASARKAN PEWARNAAN HEMATOKSILIN
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Date
2014-05-22
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Abstract
The aim of this research was to analyze of rice aluminum (Al) tolerance level using histochemical
staining. Histochemical staining of roots using hematoxylin showed dark purple color on 1 mm
region of Al-treated root apices. The root tips of Al-sensitive rice genotype (IR64 and Krowal)
tended to dark purple, contranstly the root tips of Al-tolerant rice genotype (Grogol and Hawara
Bunar) did not stained. Based on histochemical staining, Al treatment 12-15 ppm for 72 hours at
pH 4.0 can be used to determine level of Al tolerance in rice
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Keywords
aluminum, hematoxylin, rice