TITLE

EFFECT OF FOLIAR SPRAYS OF BIOREGULATORS ON GROWTH AND FLOWERING IN GLADIOLUS

AUTHOR(S)
Padmalatha, T.; Satyanarayana Reddy, G.; Chandrasekhar, R.; Siva Shankar, A.; Chaturvedi, Anurag
PUB. DATE
June 2013
SOURCE
Indian Journal of Agricultural Research;Jun2013, Vol. 47 Issue 3, p192
SOURCE TYPE
Academic Journal
DOC. TYPE
Article
ABSTRACT
Effect of different plant growth regulator sprays (GA3, TIBA, CPPU and BR) on growth and flowering of two gladiolus cultivars Darshan and Dhiraj was investigated for two consecutive years, 2008-09 and 2009-10. Growth regulators were sprayed at 3rd and 6th leaf stage. Cv. Darshan differed significantly with cv. Dhiraj in respect to plant height, leaf area and flowered earlier GA3 150 ppm followed by brassinosteroid (BR) 10 ppm recorded maximum plant height, number of leaves and leaf area during vegetative growth and resulted in earlier flowering. TIBA 100 ppm, TIBA50 ppm and control recorded significantly minimum leaf area and showed delayed flowering. Cv. Dhiraj recorded maximum percentage of plants flowered than the cv.Darshan. Cv Darshan recorded significantly highest spike length and inter floret length and minimum days to wilting of spike over the cv. Dhiraj. Cv Dhiraj was significantly superior over cv. Darshan in respect of number of florets per spike and longevity of spike. Maximum spike length and weight, number of florets per spike and spike field life were recorded with GA3 150 ppm Lowest values in respect of flower parameters were recorded with TIBA treatments and control.
ACCESSION #
87990981

 

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