EFFECT OF ETHYLENE CHLORHYDRIN AND THIOUREA ON ELODEA AND NITELLA | Zendy

Beatrice Marcy | Zendy

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EFFECT OF ETHYLENE CHLORHYDRIN AND THIOUREA ON ELODEA AND NITELLA

Author(s) -

Beatrice Marcy

Publication year - 1937

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.12.1.207

Subject(s) - nitella , thiourea , ethylene , elodea canadensis , chemistry , botany , biology , biochemistry , organic chemistry , ecology , aquatic plant , macrophyte , catalysis

Ethylene chlorhydrin anid thiourea were found by DENNY (4) to have the power of breaking the rest period of freshly-harvested potato tubers. DENNY (8), GUTHRIE, DENNY, and MILLER (6, 9), and MILLER (11, 12, 13) were unable to find any close correlation between the power of these chemicals to produce early sprouting and their effect upon respiration, glutathione or sulphydryl content of the tissues, or enzyme activity, which might explain how dormancy is broken. The purpose of this study was to see if ethylene chlorhydrin and thiourea produced any change in the rate of the streaming of protoplasm, a change which might indicate their effect upon protoplasii itself, and so throw some light upon the manner in which dormacy is broken by them. Method

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