PJB-2020-453
EVALUATION OF CARNATION (Dianthus caryophyllus L.) VARIETIES UNDER PROTECTED CONDITION OF THE NILGIRIS
M Anand
Abstract
The present investigation was carried out during the year 2017 -2018 to study the evaluation of carnation (Dianthus caryophyllus L.) varieties under protected condition of The Nilgiris for the growth, yield and post-harvest quality at Horticultural Research Station, Tamil Nadu Agricultural University, The Nilgiris. Among the varieties Happy Golem recorded maximum plant height of 100.50cm and the minimum plant height of 77.0 cm was noticed in Golem. Maximum number of shoots per plant was recorded in Gioele (7.98 ) followed by Hunza (7.50) and minimum number of shoots per plant was observed in Golem (5.30).Maximum number of leaves (195.20) and leaf length (13.55 cm) was recorded in Gioele. The days to first flower ranged between 130.01 to 139.20 days from planting. The variety Turbo (130.01) recorded early to initiate the flower bud followed by Golem (130.10 days).The variety Red King recorded maximum flowering duration of 13.50 days followed by Big Mama (13.20 days) and minimum flowering duration was observed in Happy Golem (10.47 days). The variety Gioele recorded the highest stalk length of 93.00 cm and the lowest stalk length of 68.50cm was observed by Golem. With respect to yield parameters, maximum number of flowers per plant was recorded in Gioele (7.50 nos) followed by Red King (7.17 nos) and Hunza (6.97 nos) and minimum number of flowers per plant was recorded in Golem (5.11 nos). Maximum number of A and B grade flower stems were produced in the Variety Gioele. Among the varieties for prolonging the vase life of carnation, treatment comprising of AOA @50ppm recorded maximum vaselife of 19 days by Gioele, minimum flower diameter (5.3cm) and maximum total water absorbed (45.0 ml) and found to be the best to increase the shelf life of carnation.
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