Interaction of Carbon Dioxide and Ethylene in Overcoming Thermodormancy of Lettuce Seeds | Zendy

Fayek B. Negm | Zendy; O. E. Smith | Zendy; Junji Kumamoto | Zendy

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Interaction of Carbon Dioxide and Ethylene in Overcoming Thermodormancy of Lettuce Seeds

Author(s) -

Fayek B. Negm,

O. E. Smith,

Junji Kumamoto

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.49.6.869

Subject(s) - imbibition , ethylene , lactuca , carbon dioxide , atmosphere (unit) , chemistry , germination , horticulture , botany , biology , organic chemistry , physics , catalysis , thermodynamics

The combination of ethylene with CO(2) will completely overcome the thermodormancy of lettuce (Lactuca sativa L.) seeds at 35 C. This combination is effective if it is added to seeds either at the start or after several days of imbibition. The action of ethylene is dependent upon the CO(2) level present in the atmosphere surrounding the seeds. When CO(2) is trapped by KOH the ethylene effect is essentially nil.

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