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Screening and evaluation of thermo- and photoinsensitive lines for off-season production of chrysanthemum

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Title Screening and evaluation of thermo- and photoinsensitive lines for off-season production of chrysanthemum
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Creator T.N. Saha, G.B. Kadam, G. Kumar, J. Majumder, P. Rai, R. Kumar
 
Subject chrysanthemum, summer flowering, temperature, photoperiod
 
Description Not Available
In the curre nt scenario of climate change it is very necessary to identify heat
tolerant chrysanthemum (Denranthema × grandiflora Tzvelev.) cultivars for
commercial production in hot areas of the world. In this study screening has been
done from the chrysanthemum germplasm available at the Directorate of
Floricultural Research (DFR) which are suitable for summer flowering when mean
temperature during vegetative stage is (23.17°C) and during flowering stage is
(35.10°C). The duration of bright sunshine hours is 5.62 h and 4.20 h during
vegetative and flowering stages, respectively. Vegetative characteristics such as
plant height, plant spread, number of side branches, and flowering characteristics
such as number of buds per branch, number of buds per plant, flower size,
flowering duration were recorded. Among the different cultivars 'DFRC-128',
'DFRC-25', 'DFRC-87', 'S-33/533', 'Mother Teresa', 'Royal Prince', 'Cinderella
Yellow', 'Vanity Pink', 'Khoshoo' have appropriate cut stem length for standard cut
flower production and 'DFRC-123', 'DFRC-128', 'Royal Prince', 'DFRC-125',
'Mother Teresa', 'Kaul', 'Khoshoo', 'Autumn Joy' are suitable for cut spray
production during the summer season. Maximum flower size was observed in
cultivars 'Moria', 'Red Devil', 'Autumn Joy' (7.34 cm). A maximum flowering
duration of 11 days was recorded for 'Autumn Joy'.
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Date 2018-11-14T10:35:04Z
2018-11-14T10:35:04Z
2018-01-01
 
Type Article
 
Identifier Not Available
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http://krishi.icar.gov.in/Publication/handle/123456789/11236
 
Language English
 
Relation Not Available;
 
Publisher Not Available