STANDARDIZATION OF SUJALA FERTILIZER DOSES AND METHODS OF APPLICATION ON GROWTH AND FLOWERING OF CARNATION (Dianthus caryophyllus Linn.)
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Date
2011
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Abstract
ABSTRACT
The present studies entitled “Standardization of Sujala fertilizer doses and methods of
application on growth and flowering of carnation (Dianthus caryophyllus Linn.) were carried out at the
Research Farm of Department of Floriculture and Landscaping, Dr. Yashwant Singh Parmar University
of Horticulture and Forestry, Nauni, Solan during the year 2010-2011. The experiment was laid out in
Completely Randomized Design (CRD) with 16 different fertigation and foliar treatments of water
soluble fertilizer, Sujala (19:19:19 NPK) replicated thrice with 25 plants per replication. The different
fertigation and foliar treatments were started after 40 days of the plantation of the rooted cuttings in
growing media comprising of soil: FYM: coco peat (2:1:1, v/v) in naturally ventilated polyhouse. The
data was recorded for three consecutive flower flushes during the course of studies. The results
revealed that plants treated with treatment T13 comprising of 250 ppm N and K fertigation through Urea
and MOP and further supplemented by foliar application of 250 ppm NPK foliar spray through Sujala
once a week recorded maximum plant height (84.04cm), stem length (68.66cm), lesser time to flower
bud formation (102.18days), first flowering (129.91days), to reach harvesting stage (148.23 days) as
compared to the recommended practices. Maximum number of flowers per plant (6.90), flower size
(7.00cm), per cent A-grade flowers based on stem length and stem strength (88.58 and 90.00%), weight
of cut flower stem (38.03g),vase life (12.32 days),duration of flowering (23.17 days) were also
recorded highest with treatment T13. Highest available NPK content (371.03, 37.09 and 276.87 kg/ha)
in medium after each flower flush as well the percent foliar NPK content (2.867, 0.364 and 3.954%)
were recorded higher in treatment T13 over recommended practices.
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Keywords
developmental stages, fertigation, planting, fertilizers, organic compounds, harvesting, nitrogen, biological development, irrigation, grading, carnation (Dianthus caryophyllus Linn.,Sujala fertilizer