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Respiration of Grand Rapids lettuce (Lactuca sativa L.) seeds in relation to chemical and photocontrol of germination



Respiration of Grand Rapids lettuce (Lactuca sativa L.) seeds in relation to chemical and photocontrol of germination



Plant and Cell Physiology 18(1): 1-8



A 10-min irradiation with red light (R) increased respiration rates more than far-red light (FR); the difference was evident by 2-3 h and increased with time. Impregnation of seeds with 1.0 mM GA3 + 0.5 mM kinetin in acetone to promote germination, followed by air drying, stimulated respiration at 25 deg C, the effect being noticeable after 6 h and marked by 12-24 h. Results with GA3 + kinetin dissolved in water were similar.

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Accession: 000485290

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