Effect of Glyphosate on Ethylene Production in Tobacco Callus | Zendy

Tsung T. Lee | Zendy; Theodore C. Dumas | Zendy

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Effect of Glyphosate on Ethylene Production in Tobacco Callus

Author(s) -

Tsung T. Lee,

Theodore C. Dumas

Publication year - 1983

Publication title -

plant physiology

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 3.554

H-Index - 312

eISSN - 1532-2548

pISSN - 0032-0889

DOI - 10.1104/pp.72.3.855

Subject(s) - glyphosate , ethylene , nicotiana tabacum , callus , chemistry , industrial crop , acetic acid , solanaceae , horticulture , botany , biology , agronomy , biochemistry , catalysis , gene

Glyphosate (N-phosphonomethylglycine) caused a significant decrease or a slight increase in ethylene production in tobacco callus (Nicotiana tabacum L.) depending on the concentration of indole-3-acetic acid (IAA) present in the medium. IAA stimulated ethylene production, but a pretreatment with glyphosate greatly reduced the IAA-induced ethylene production. Inasmuch as glyphosate treatment promoted the metabolism of IAA, the decrease in ethylene production induced by glyphosate is attributed to the rapid loss of free IAA in the treated tissue.

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