Anti-ethylene Treatments for Potted Christmas Cactus-Efficacy of Inhibitors of Ethylene Action and Biosynthesis

in HortScience

Spraying flowering plants of Schlumbergera truncata (Haw.) `White Christmas' with aminoethoxyvinylglycine (AVG), an inhibitor of ethylene biosynthesis, did not prevent the rapid loss of flower buds caused by exposure to 1 μl of ethylene/liter. Treatment with the silver thiosulfate anionic complex (STS) strongly inhibited such effects. The rate of bud drop in ethylene-free air (interior environment room) was somewhat reduced by AVG treatment, although total display life of treated plants was not significantly different from that of the controls. STS treatment reduced the rate of bud drop, and increased display life by 20 %.

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