บทคัดย่องานวิจัย

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Ethylene production and vase life in cut Eucalyptus spp. foliage.

Ferrante, A.; Mensuali-Sodi, A.; Serra, G.; Tognoni, F.;

Italus Hortus Year: 1998 Vol: 5 Issue: 5/6 Pages: 57-60 Ref: 15 ref.

1998

บทคัดย่อ

Ethylene production and vase life in cut Eucalyptus spp. foliage.

The postharvest life of Eucalyptus cinerea, E. gunnii and E. parvifolia was studied. E. parvifolia and E. cinerea branches cut during the growing stage had a shorter vase life than mature branches. E. cinerea had the longest vase life, of about 30 days at 12-20 deg C, 60% RH. An inhibitor of ethylene synthesis, 1 mM AOA (aminooxyacetic acid), 4 ml/litre Florissant 400 and the bacterial inhibitor benzalkonium chloride (1%) were tested for the improvement of the vase life of E. gunnii and E. parvifolia cut during the growing stage. Pre-treatments of 48 h were performed with each compound. AOA treatment increased water uptake in E. parvifolia, but no treatment affected E. gunnii water absorption. AOA and Florissant treatments in E. parvifolia reduced ethylene production, whilst benzalkonium chloride increased ethylene production. Ethylene production in E. gunnii was not significantly affected by the treatments. It is concluded that for E. parviflora, AOA and Florissant increase vase life, while ben

zalkonium chloride reduces the vase life. The treatments did not significantly affect E. gunnii vase life.