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Auxin‐stimulated ethylene production in fern gametophytes and sporophytes
Author(s) -
Tittle Forrest L.
Publication year - 1987
Publication title -
physiologia plantarum
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 1.351
H-Index - 146
eISSN - 1399-3054
pISSN - 0031-9317
DOI - 10.1111/j.1399-3054.1987.tb02849.x
Subject(s) - sporophyte , auxin , fern , pteridium aquilinum , gametophyte , biology , botany , ethylene , indole 3 acetic acid , glycine , biochemistry , amino acid , pollen , gene , catalysis
The auxins indole‐3‐acetic acid (IAA) and 2,4‐dichlorophenoxyacetic acid (2,4‐D) stimulated ethylene production from gametophytes of the fern Pteridium aquilinum (L.) Kuhn. var. latiusculum (Desv) underw. ex Heller and sporophytes of the ferns Matteuccia struthiopteris (L.)Todaro and Polystichum munitum (Kaulf.) Presl. Treatment with Co 2+ or l ‐α ‐(2‐aminoethoxyvinyl)‐glycine (AVG) eleminated or significantly reduced the stimulatory effects of IAA. Treatment with 1‐aminocyclopropane‐1‐carboxylic acid (ACC) resulted in significantly greater rates of ethylene production from all tissues tested. Based on their response to auxin, ACC, AVG and Co 2+ , the ethylene biosynthetic pathway in these three lower vascular plants appears similar to that existing in angiosperms.