Author(s):

Shivam Chaudhary, Sapna Roy, Sudhir Kumar Mishra, Prashant Tiwari and Jaydeep Pandey

Abstract: An investigation was carried out to study the “Effect of Integrated Nutrient Management on growth, flowering and flower yield of Dahlia (Dahlia Variabillis L) cv. Kenya Orange’’ at Horticulture Research Farm, Department of Horticulture, National post Graduate College Barhalganj, Gorakhpur, in the months of November 2019 to March 2020. The treatments consisted of RDF (NPK 100:120:100) with different levels of organic manures (FYM, Vermi-compost) and Bio fertilizers (Azotobacter, PSB) which were tested in randomized block design with three replications. Significantly T₆ (PSB 50%+ Azotobacter 50%) recorded best treatment for Days to first flowering (66.63. days) and days to 50% flowering (76.53 days). However, with respect to diameter (22.50cm) and Flower length (25.30) T₁₀ (Vermi-compost 50% + Azotobacter 25% +PSB 25%) was observed as best treatment. While for number of flower per plant (11.37), number of flower per plot (133.6), and for flower yield per hectare (494814.81) T₄ (Vermi-compost 75%+PSB 25%) was recorded as best treatment. Whereas in terms of floral vase life (14.66) T₅ (Vermi compost 50% + Azotobacter 50%) showed best effect.

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