STABILITY ANALYSIS IN CHRYSANTHEMUM (Dendranthema grandiflora Tzvelev) GENOTYPES FOR THEIR SUITABILITY AS CUT AND LOOSE FLOWER PRODUCTION
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Date
2020-09
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NAUNI,UHF
Abstract
ABSTRACT
Study on “Stability analysis in chrysanthemum (Dendranthema grandiflora Tzvelev) genotypes for their suitability
as cut and loose flower production” was carried out at the experimental farm of Department of Floriculture and Landscape
Architecture, Dr Yashwant Singh Parmar University of Horticulture and Forestry, Nauni, Solan, and ICAR-IARI Regional
Research Station, Katrain, Kullu Valley of H.P for two successive years 2017 and 2018on nineteen genotypes of chrysanthemum,
cultivar ‘Ajay’ for cut flower and ‘Surf’ was used as check for loose flower production. Among all the genotypes ‘UHFSChr
117’ of yellow (12 A) colour bearing double type flowers (412.17) number of flowers, with flower weight 5941.88 g per
square meter, followed by ‘UHFSChr132’ bearing purple (75 A) colour, double type flowers had maximum number of
flowers (405.33) with 5812.56 gm per square meter, ‘UHFSChr122’ of greyed orange (163 B) colour bearing 326.08 number
of flowers, ‘UHFSChr111 bearing yellow (B) colour, double type flowers(243.33) numbers of flowers, ‘UHFSChr113’ of
greyed orange (171 A) colour bearing (230.75) number of flowers and ‘Surf’ of white colour (114.58) number of flowers
were recommended for loose flower production. Genotypes ‘UHFSChr122’ (1:1.06) of grayed oranged (163 B) colour,
‘UHFSChr117’ (1:1.06) of orange (26 A) colour, ‘UHFSChr126’ (1:1.06) of red purple (65 A), ‘UHFSChr125’ (1:1.06) of
red purple (181 A) colour , ‘UHFSChr132’ (1:1.05) of purple colour (75 A) with good quality flowers and stem length of
75.25 cm, 77.25 cm, 78.50 cm, 70.67 cm, and 72.67 cm respectively having more/similar cost benefit ratio as compared to
‘Ajay’ (1:.0.99) were recommended for cut flower production. Wide and significant variations for all the parameters were
observed among different chrysanthemum genotypes. High to moderate variability estimates in term of GCV and PCV was
observed for traits like number of flowers per stem, plant height, flower diameter for cut flower and number of flowers per
plant, plant height, days taken to bud formation, flower weight per square meter and flower diameter for loose flower
production. Significant positive phenotypic correlation was observed for plant height, number of cut stems per plant, flower
diameter, days taken to bud formation, days taken to flowering, duration of flowering, stem length, weight of cut stem and
number of flowers per stem. Significant positive genotypic correlation was observed such as plant spread, number of cut
stems per plant, flower diameter, days taken to flowering, days taken to flowering, duration of flowering, stem length, weight
of cut stem, number of flowers per plant for cut flower. Significant positive phenotypic correlation was observed of plant
height, number of side shoots per plant, flower diameter, day taken to bud formation, days taken to flowering, number of
flowers per plant, flower weight per plant, plant spread, flower weight per square meter, duration of flowering. Genotypic
correlation coefficient was observed with plant height, number of side shoots per plant, flower diameter, days taken to
flowering, number of flowers per plant flower weight per plant and plant spread for loose flower production. Positive direct
effect of number of flowers per stem on weight of cut stem, stem length, duration of flowering, number of cut stems per
plant for cut flower. Positive direct effect of weight flower on number of flower per plant, duration of flowering, days taken
to bud formation, days taken to flowering for loose flower production. Genotypes ‘UHFSChr132’‘UHFSChr 122’ and
‘UHFSChr125 were identified as promising chrysanthemum genotype for cut flower and ‘UHFSChr121’‘UHFSChr 128’
and ‘UHFSChr131’ for loose flower 125’ were exhibited stable performance for loose flowe