STUDIES ON THE EFFECT OF GROWING MEDIA, PINCHING AND GROWTH REGULATORS ON QUALITY POT PLANT PRODUCTION OF Fuchsia x hybrida UNDER MID HILL CONDITIONS
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Date
2022-11
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UHF,NAUNI
Abstract
ABSTRACT
The present investigation titled “Studies on the effect of growing media, pinching and growth regulators on quality pot plant production of Fuchsia x hybrida under mid hill conditions” was carried out at Horticultural Research and Training Station and Krishi Vigyan Kendra, Kandaghat, Dr. Y S Parmar University of Horticulture and Forestry, Solan (HP) during 2021-2022. The experiment was conducted under naturally ventilated polyhouse of 105 x 7 x 3.5 m² size and it was laid out in a factorial Completely Randomized Design (CRD) with four levels each of growing media namely M1:Soil+ Sand+ FYM (1:1:1 v/v), M2:Cocopeat + Soil + Sand + Leafmould + FYM (2:1:1:1:1 v/v), M3:Cocopeat+Perlite+Vermiculite + Vermicompost (2:1:1:1 v/v), M4:Cocopeat + Vermicompost + Leafmould (2:1:1 v/v), three level of growth regulator G1:Control (0 ppm), G2:Benzyl adenine (150 ppm), G3:CPPU (10 ppm) and two method of pinching P1:Single pinch and P2:Double pinch makeup total of 24 treatment combinations which were replicated thrice each having 10 pots accommodating one plant per pot. Plants were raised through terminal cutting and were planted in 6-inch size pots. Study revealed that maximum plant height (33.13 cm), plant spread (33.37 cm), length of side shoots (24.67 cm) and minimum number of days taken for visible bud formation (92.40 days), number of days taken for peak flowering (160.60 days) was recorded when the single pinched plants were grown in media consisting cocopeat + Vermicompost + Leafmould (2:1:1 v/v) and sprayed with 150 ppm of benzyl adenine. However, maximum number of side shoots (27.33), number of flowers per plant (55.67), number of flowers per plant open at a time (42.93), duration of flowering (24.67days) was recorded when double pinched plants were grown in growing media consisting of cocopeat + vermicompost + Leafmould (2:1:1 v/v) and were sprayed with 150 ppm of benzyl adenine. The maximum flower diameter (4.61 cm) was recorded when single pinched plants were grown in medium consisting cocopeat + vermicompost + leafmould (2:1:1 v/v) and sprayed with 10 ppm of CPPU. The maximum pot presentability score (94.40) was obtained when the double pinched plants were grown in media consisting cocopeat + vermicompost + leafmould (2:1:1 v/v) and sprayed with 150 ppm of benzyl adenine. Based on the present investigation findings, double pinched plants of Fuchsia x hybrida grown in potting medium consisting of cocopeat + vermicompost+ leafmould (2:1:1 v/v), sprayed with 150 ppm of benzyl adenine recommended for quality pot plant production of Fuchsia x hybrida with highest benefit cost ratio of 2.44:1.