Growth and tropic responses of excised Avena coleoptiles in culture

TitleGrowth and tropic responses of excised Avena coleoptiles in culture
Publication TypeJournal Article
Year of Publication1938
AuthorsJr. GSAvery, La Rue CD
JournalBotanical Gazette
Volume100
Pagination186-199
KeywordsTROPIC
Abstract

1. Determinations were made of the hormone concentration in the tips of normal coleoptiles from seedlings of different ages; the tips of very young coleoptiles contain relatively low concentrations and the most rapid increase in concentration occurs while coleoptiles elongate from 2 to 6 mm. After the coleoptile is 1 cm. long, hormone content in the tip remains at a relatively constant level on to the end of the growth period.