2006
DOI: 10.1007/s00299-006-0278-3
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Effect of exogenous calcium on post-thaw growth recovery and subsequent plant regeneration of cryopreserved embryogenic calli of Hevea brasiliensis (Müll. Arg.)

Abstract: A reliable cryopreservation technique was developed for friable embryogenic callus lines of Hevea brasiliensis. The study showed that reducing the CaCl(2) concentration of the pre-culture medium from 9 mM to 1 or 0 mM CaCl(2) before cryopreservation promoted post-thaw callus growth, 1 mM being the optimum CaCl(2) concentration for embryo regeneration. Post-thaw callus proliferation decreased in line with the increase of plated callus weight. The effect of cryopreservation was assessed on 39 independent lines s… Show more

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Cited by 44 publications
(41 citation statements)
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“…Kelemahan teknik ESJP adalah proliferasi kalus remah melalui kultur jangka panjang mengakibatkan hilangnya kompetensi regenerasi kalus (Blanc et al, 2006) dan meningkatkan resiko variasi somaklonal (Lardet et al, 2007). Hasil percobaan lapangan tanaman hasil ESJP klon PB 260 pada tahun 19952002 menunjukkan bahwa pertumbuhan tanaman in vitro lebih rendah dibandingkan tanaman hasil okulasi.…”
Section: Embriogenesis Somatik Jangka Panjangunclassified
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“…Kelemahan teknik ESJP adalah proliferasi kalus remah melalui kultur jangka panjang mengakibatkan hilangnya kompetensi regenerasi kalus (Blanc et al, 2006) dan meningkatkan resiko variasi somaklonal (Lardet et al, 2007). Hasil percobaan lapangan tanaman hasil ESJP klon PB 260 pada tahun 19952002 menunjukkan bahwa pertumbuhan tanaman in vitro lebih rendah dibandingkan tanaman hasil okulasi.…”
Section: Embriogenesis Somatik Jangka Panjangunclassified
“…Teknik kriopreservasi kalus tanaman karet di CIRAD pada awalnya dilakukan oleh E n g e l m a n e t a l . ( 1 9 9 7 ) , k e mu d i a n disempurnakan oleh Lardet et al (2007). Teknik ini meliputi dua tahapan, yaitu perlakuan krioprotektif dan pembekuan.…”
Section: A U T O M a T E D T E M P O R A R Y I M M E R S I O N )unclassified
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