STUDIES ON STAGGERED PLANTING AND JEEVAMRIT APPLICATION ON FLOWER AND CORM PRODUCTION OF GLADIOLUS (Gladiolus hybrida L.)
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Date
2024-05-06
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UHF Nauni
Abstract
The present investigation entitled “Studies on staggered planting and jeevamrit
application on flower and corm production of Gladiolus (Gladiolus hybrida L.)” was carried
out at Research Farm of Department of Floriculture and Landscape Architecture, Dr. YS
Parmar University of Horticulture and Forestry, (Nauni) Solan (HP) for two consecutive
years; 2022 and 2023. The experiment was laid out in RBD (Factorial) with three
replications. Two cultivars ‘Punjab Dawn’ and ‘Pusa Kiran’ were planted at three different
dates (25th January, 25th February and 25th March) and were given two drench applications of
jeevamrit @ 20% (15 days interval, 30 days interval) along with RDF as control. Between the
cultivars, ‘Punjab Dawn’ when planted on 25th January and drenched with jeevamrit at 15
days interval, resulted in maximum number of florets (13.73) and floret size (10.00 cm).
Staggered planting of gladiolus on 25th January, 25th February and 25th March resulted in
continuous flowering from early May to late July. The 25th January planting is the most
profitable with a benefit-cost ratio of 3.73 and is best for corm production, yielding the
highest number and quality of corms and cormels. Applying jeevamrit as a drench at 15 days
interval produces high-quality gladiolus stems, enhancing spike length, number of florets, and
vase life. This method yields the highest benefit-cost ratios: 3.73 for 'Punjab Dawn' and 3.33
for 'Pusa Kiran'. For corm production, jeevamrit drenching every 15 days also results in the
best outcomes in terms of the number of corms per plant, corm weight, and corm size.