Applied and Natural Science Foundation
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Journal of Applied and Natural Science
An International Journal | Print ISSN: 0974-9411 | Online ISSN: 2231-5209
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Abstract
Journal of Applied and Natural Science 8 (1): 232-235 (2016)
Effect of pre harvest application of boron and zinc on post harvest quality and vaselife of carnation
Likhitha Raj 1*, Siddappa2, S. Varalakshmi3, H. M. Vikas4, C. H. Girjakumari5
1,2,5Department of Floriculture and Landscape Architecture, College of Horticulture University of Horticulture Sciences Campus, Gandhi Krishi Vigyan Kendra, Bengaluru-560065 (Karnataka), INDIA
3Department of Post Harvest Technology, College of Horticulture University of Horticulture Sciences Campus, Gandhi Krishi Vigyan Kendra, Bengaluru-560065 (Karnataka), INDIA
4College of Horticulture University of Horticulture Sciences Campus, Gandhi Krishi Vigyan Kendra, Bengaluru- 560065 (Karnataka), INDIA
*Corresponding author. E-mail: likhitharajdolly@gmail.com
Abstract : The study was conducted to determine the effect of pre harvest spray of micronutrients like boron, zinc and its combination on post harvest quality and vase life of carnation. Post harvest quality of flowers like flower stalk length (65.61 cm) was maximum in the plant treated with zinc (0.3 per cent), and calyx splitting (3.12 per cent) was minimum in the plants treated with boron (0.1 per cent). Flower diameter (6.64 cm) was highest with boron (0.1 per cent) + zinc (0.3 per cent) treatment. Plants without micronutrient treatment produced poor quality flowers. Regarding vase life studies maximum water uptake and minimum transpiration loss from first day to sixteenth day was resulted in the flowers which are obtained from the plant treated with boron (0.1 per cent). The maximum fresh weight of the flower was noticed in combination of boron (0.1 per cent) + zinc (0.3 per cent) from first to sixteenth day. The foliar spray of boron (0.1 per cent) recorded maximum vase life (11.05 days). So the good quality of flowers can be improved by the foliar spray of zinc, calyx splitting can be controlled by boron foliar spray and vase life of the flower can be maintained by foliar spray of boron. It is confirmed that the foliar application of micronutrient is very much helpful for the improvement of post harvest quality and vase life of carnation.

Keywords : Carnation, Flower diameter, Micro nutrients, Vase life
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