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STUDIES ON FOLIAR NUTRIENT SPRAYS AND VASE CHEMICALS ON KEEPING QUALITY OF GLADIOLUS (GLADIOLUS GRANDIFLORUS) CV. TRADER HORN

M. Pratap, S. Amarender Reddy, Y.N. Reddy

Affiliations

¹Acharya N.G Ranga Agricultural University, Rajendranagar, Hyderabad - 500 030, India

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Cite article:- Pratap M., Reddy Amarender S., Reddy Y.N. (2025). STUDIES ON FOLIAR NUTRIENT SPRAYS AND VASE CHEMICALS ON KEEPING QUALITY OF GLADIOLUS (GLADIOLUS GRANDIFLORUS) CV. TRADER HORN. Indian Journal of Agricultural Research. 42(1): 1 - 6. doi: .

ABSTRACT

A field experiment was conducted for two consecutive years to study the influence of pre-harvest
micro-nutrient foliar sprays on post-harvest keeping quality of gladiolus using the post-harvest vase
chemicals. The experiment comprised pre-harvest micronutrient foliar sprays of FeSO4 (0%, 0.5%,
0.75%, 1%) and ZnSO4 (0%, 0.25%, 0.5%, 0.75%) with 16 treatment combinations sprayed at 3rd and
6th leaf stage of the crop. Various post-harvest vase chemicals used were NaOCl 25 ppm, 50 ppm and
100 ppm, STS 100 ppm, Al2(SO4)-3 400 ppm and a combination of these vase chemicals. Sucrose was
added as a source of base material in all the vase chemical treatments. Pre-harvest spraying of FeSO4
0.75% or 1% along with ZnSO4 0.5% was found promising in delaying the days taken for basal floret
opening and number of floret opening at a time. Pre-harvest spraying of these micro-nutrients and
dipping the cut ends of gladiolus spikes in vase solution of sucrose 2% + NaOCl 50 or 100 ppm,
sucrose 2% + STS 50 or 100 ppm or Al2(SO4)-3 400 ppm significantly influenced in extending the days
taken for basal flower opening and number of flowers opening at a time.

KEYWORDS

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