Indian Journal of Agricultural Research

  • Chief EditorT. Mohapatra

  • Print ISSN 0367-8245

  • Online ISSN 0976-058X

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  • SJR .293

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Indian Journal of Agricultural Research, volume 48 issue 4 (august 2014) : 301-306

EFFECT OF PRE PLANTING TREATMENT OF CORMS WITH CHEMICALS AND PLANT GROWTH REGULATORS ON VEGETATIVE GROWTH, FLOWERING AND POST HARVEST LIFE IN GLADIOLUS

T. Padmalatha*, G. Satyanarayana Reddy, R. Chandrasekhar1, A. Siva Shankar2, Anurag Chaturvedi3
1Herbal Garden, Hyderabad- 500 030, India
Cite article:- Padmalatha* T., Reddy Satyanarayana G., Chandrasekhar1 R., Shankar2 Siva A., Chaturvedi3 Anurag (2023). EFFECT OF PRE PLANTING TREATMENT OF CORMS WITH CHEMICALS AND PLANT GROWTH REGULATORS ON VEGETATIVE GROWTH, FLOWERING AND POST HARVEST LIFE IN GLADIOLUS. Indian Journal of Agricultural Research. 48(4): 301-306. doi: 10.5958/0976-058X.2014.00664.7.

ABSTRACT

The effect of thiourea (TU), salicylic acid (SA), potassium nitrate (KNO3) and giberellic acid (GA3) with two corm soaking periods on growth, flowering and post harvest life of two gladiolus cultivars Darshan and Dhiraj was investigated during two consecutive years, 2008-09 and 2009-10. Cv. Darshan was early in flowering and performed better than the cv. Dhiraj with respect to vegetative and floral parameters. Pre-planting soaking of corms for 24 h improved vegetative and flowering attributes. SA 150 ppm followed by TU 2% was more effective in increasing vegetative growth and reducing number of days to flowering. SA 150 ppm followed by GA3 150 ppm were effective in improving flowering performance of gladiolus cultivars in terms of increasing number of spikes per plant, spike length and weight and number of florets per spike. Post harvest studies revealed that soaking of corms for 24 h recorded significantly less number of days to first floret opening. Pre-planting treatment of corms with SA 150 ppm recorded minimum days to first floret opening, maximum number of florets opened at a time per spike and vase life.

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