Promotion by phloroglucinol of adventitious root formation in micropropagated shoots of adult wild cherry (Prunus avium L.)
1994
Hammatt, N.
Micropropagated shoots of wild cherry (Prunus avium L.) produced roots in auxin-free medium. Phloroglucinol (PG) increased the proportion of shoots that rooted, while phloretic acid reduced this response in medium with or without PG, and cancelled the promotive effect of PG. Concentration of PG also significantly affected rooting in media with and without auxin. The proportion of shoots rooting in media containing auxin, or auxin plus PG, increased with the number of successive subcultures, but the proportion that rooted with PG alone was unaffected by the number of subcultures. Before the shoots had become responsive to auxin, 1 mM PG was more effective than auxin in inducing root formation.
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