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Varietal evaluation and genetic variability studies on gladiolus

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Title Varietal evaluation and genetic variability studies on gladiolus
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Creator Ganesh B. Kadam, Gunjeet Kumar, T.N. Saha, A.K. Tiwari and Ramesh Kumar
 
Subject Evaluation, gladiolus, PCV, GCV, heritability, genetic advance.
 
Description Not Available
An experiment was conducted with 26 gladiolus cultivars at Research Farm of Directorate of Floricultural
Research, New Delhi. The minimum days required for sprouting was recorded in cultivar Peter Pears (3.40 days),
whereas earliest spike initiation (86.33 days) and first floret opening (100.33 days) were observed in cultivar
Hunting Song. Maximum plant height (115.87 cm) and spike length (101.20 cm) were found in cultivar Amsterdam,
whereas maximum rachis length (73.39 cm) was recorded in Snow Princess. Maximum number of florets per
spike (18.60) and bigger florets size (97.72 mm) were recorded in Snow Princess and Priscilla, respectively. The
cultivar Yellow Stone was found with maximum number of corms per plant (2.68), whereas highest average corm
weight (71.60 g) and corm size (64.87 mm) were recorded in Forta Rosa, and highest cormels weight (17.50 g)
in Argentina. Higher values of phenotypic coefficient of variation (PCV) and genotypic coefficient of variation
(GCV) were recorded for cormel weight, i.e. 104.36 and 67.26 and number of cormels per plant, i.e. 99.82 and
71.58, respectively. Maximum heritability was recorded for days to first floret opening (87.23%) followed by rachis
length (82.07%) and days to spike initiation (78.26%). Highest values for genetic advance were recorded for
plant height (26.35) and spike length (23.36). However, low genetic advance was observed for days to sprouting
(0.04) followed by number of corms (0.32) and number of leaves per plant (0.59).
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Date 2018-11-14T10:34:55Z
2018-11-14T10:34:55Z
2014-09-01
 
Type Article
 
Identifier Not Available
Not Available
http://krishi.icar.gov.in/Publication/handle/123456789/11235
 
Language English
 
Relation Not Available;
 
Publisher Not Available