Open AccessNo Stomatal Response to Ethylene
Author(s) -
Charles K. Pallaghy,
Klaus Raschke
Publication year - 1972
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.49.2.275
Subject(s) - ethylene , botany , chemistry , biology , biochemistry , catalysis
The stomata of Zea mays and Pisum sativum did not respond to ethylene concentrations between 1 and 10/sup 5/ microliters/liter. The mechanism of CO/sub 2/ action on stomata is, therefore, different from that which competitively inhibits morphogenetic responses to ethylene. The absence of any response to nitrous oxide confirms earlier findings. Stomatal insensitivity to all three gases applied, ethylene, allene, and nitrous oxide, that the CO/sub 2/ receptor in the guard cells is specific for CO/sub 2/. 5 references.
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