Mukesh Kumar*
Department of Horticulture, Sardar Vallabhbhai Patel University of agriculture & Technology, Meerut, UP, India- 250110
Received-01.01.2015, Revised-24.01.2015
Abstract: An investigation was carried out to study the combined applications of different sources of nutrients on vegetative growth and flowering characters of chrysanthemum cv. Yellow Gold. The treatments included Azospirillum, PSB, vermicompost and FYM with and without 100, 75 and 50% recommended dose of NPK. The experiment was laid out in Randomized Block Design (RBD) with three replications. The experiment consisted of ten treatments viz. T1: control ( with out NPK), T2 : 100% RDF(150:100:100), T3: 75% RDF + 25% VC, T4,: 75% RDF +25% Leaf Manure T5: 75% RDF + 25% VC+ 2g/plant Azospirillum, T6: 75% RDF+ 25% VC +2g/plant Azospirillum +2g/plant PSB, T7: 50% RDF +50% VC T8: 50% RDF + 50% VC+ 2g/plant Azospirillum, T9: 50% RDF + 50% VC+ 2g/plant Azospirillum + 2g/plant PSB T10: 50% RDF +50%Leaf Manure + 2g/plant Azospirillum +2g/plant PSB,. Analysis of results revealed that treatment T4,: 75% RDF+ 25% VC + 2.0 g/plant Azospirillum + 2.0 g/ plant PSB,. significantly induced the days taken to sprouting and increased the height of plant, number of leaves per plant and length of longest leaf per plant. However, treatment T10 significantly gave maximum diameter of leaf. Treatment receiving 50% RDF+ 50% VC + 2.0 g/plant Azospirillum + 2.0 g/plant PSB emerged earlier spike while minimum days required for opening of first flower on spike and maximum longevity of spike was observed in treatment T6. In terms of vase life of cut flowers at room temperature, treatment T4 shown maximum vase life.
Keywords: Nutrients, INM, Chrysanthemum, Growth and flowering
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