The Asian Journal of Horticulture

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Effect of Pulsing and Holding Solutions on Vase Life Ofdendrobium cv. Sonia 17


Affiliations
1 All India Coordinated Research Project on Floriculture, College of Horticulture, Kerala Agricultural University, Thrissur Kerala, India
2 Cashew Research Station, Kerala Agricultural University, Madakkathra, Thrissur Kerela, India
     

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Effect of different pulsing treatments and holding solutions on the vase life of cut spikes of the orchid, Dendrobium cv. Sonia-17 was studied. Among the pulsing treatments, pre-cooling treatment done at 150C for 12 h recorded maximum spike longevity of 32 days, maximum number of days for wilting of first floret (26 days), maximum number of days for wilting of all florets (38 days) and maximum water uptake (10 ml). In the trial using different holding solutions, AgNO3 (25 ppm) + sucrose (5%) gave maximum vase life of 35 days, maximum number of days for wilting of first flower (17.3 days) and maximum number of days for wilting of all flowers (53.7 days). Pre-cooling treatment done at 150C for 12 h and holding solutions containing AgNO3 (25 ppm) + sucrose (5%) was found to be the best treatments to enhance the vase life of cut spikes of the orchid, Dendrobium cv. SONIA-17.

Keywords

Flower Spike, Vase Life, Pulsing, Holding
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  • Effect of Pulsing and Holding Solutions on Vase Life Ofdendrobium cv. Sonia 17

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Authors

K. Ajith kumar
All India Coordinated Research Project on Floriculture, College of Horticulture, Kerala Agricultural University, Thrissur Kerala, India
P. K. Rajeevan
All India Coordinated Research Project on Floriculture, College of Horticulture, Kerala Agricultural University, Thrissur Kerala, India
A. Sobhana
Cashew Research Station, Kerala Agricultural University, Madakkathra, Thrissur Kerela, India
P. K. Sudhadevi
All India Coordinated Research Project on Floriculture, College of Horticulture, Kerala Agricultural University, Thrissur Kerala, India
S. Sarada
All India Coordinated Research Project on Floriculture, College of Horticulture, Kerala Agricultural University, Thrissur Kerala, India
S. Simi
All India Coordinated Research Project on Floriculture, College of Horticulture, Kerala Agricultural University, Thrissur Kerala, India

Abstract


Effect of different pulsing treatments and holding solutions on the vase life of cut spikes of the orchid, Dendrobium cv. Sonia-17 was studied. Among the pulsing treatments, pre-cooling treatment done at 150C for 12 h recorded maximum spike longevity of 32 days, maximum number of days for wilting of first floret (26 days), maximum number of days for wilting of all florets (38 days) and maximum water uptake (10 ml). In the trial using different holding solutions, AgNO3 (25 ppm) + sucrose (5%) gave maximum vase life of 35 days, maximum number of days for wilting of first flower (17.3 days) and maximum number of days for wilting of all flowers (53.7 days). Pre-cooling treatment done at 150C for 12 h and holding solutions containing AgNO3 (25 ppm) + sucrose (5%) was found to be the best treatments to enhance the vase life of cut spikes of the orchid, Dendrobium cv. SONIA-17.

Keywords


Flower Spike, Vase Life, Pulsing, Holding