The study was conducted at Horticultural Research Center, College of Horticulture, SVPUAT to assess the vegetative parameters, reproductive parameters and yield of strawberry cultivar Winter Dawn to evaluate the exogenous application of PGR’s and cow urine. The experimental trial was carried out using the randomized block design (RBD) with three replications and nineteen treatments. Foliar application of plant growth regulators (GA3 and NAA) and cow urine was done with concentration (GA3 75 and 100 ppm), NAA (20 and 30 ppm) and cow urine (5 and 10 %). The results showed that both individual and combined application of foliar spray had shown big impact on the vegetative parameters, reproductive parameters and yield of strawberry plant. The pooled results had shown variation among the treatments for the studied characters. The treatment T18 GA3 100 ppm + NAA 20 ppm + Cow urine 10 % recorded maximum pooled number of leaves (20.23 at 90 DAP), petiole length (12.77 cm at 90 DAP) and maximum canopy spread (E-W 27.51 cm and N-S 24.17 cm). For reproductive and yield parameters, treatment T17 – GA3 75 ppm + NAA 30 ppm + Cow urine 5% significantly advanced the flowering duration taking minimum number of days to flowering (41.76 DAP), maximum number of fruits per plant (20.24) and recording maximum yield per plant (472.98 gm). The treatment effect for days taken to fruit set was non-significant (CD-NS). The findings demonstrate the combined application of synthetic growth regulators and cow urine enhance the vegetative vigor and reproductive traits in strawberry.
Antriksh Deshwal, Arvind Kumar, Sanjay Kumar Tripathi et al.· Genetics and Molecular Resea...· 0 citations
Dragon fruit (Hylocereus costaricensis) is an emerging fruit crop in subtropical regions, where optimization of vegetative growth and fruit development is essential for improving productivity. A two-year field experiment was conducted during 2024-25 and 2025-26 under subtropical conditions of Western Uttar Pradesh, India, to evaluate the effect of plant growth regulators and liquid nano-urea on growth and fruit attributes of dragon fruit. Ten treatments comprising brassinosteroid, jasmonic acid and liquid nano-urea in combination with the recommended dose of fertilizers (RDF) were evaluated in a randomized block design with three replications. The pooled results showed that T₂ (brassinosteroid 5 ppm + RDF) performed consistently better for most of the growth and fruit attributes. It recorded the highest plant length at 90 DAI (187.86 cm), number of segments (13.67 plant⁻¹) and number of areoles (300.67 plant⁻¹), while the maximum number of primary branches was recorded with T₁ (35.00 plant⁻¹). T₂ also produced the highest fruit length (12.25 cm), fruit volume (318.06 cc), fruit diameter (8.698 cm) and pulp weight (219.17 g). Fruit set was highest under T₂ and T₉ (98.17% each), compared with 94.67% in the control (T₀). Among the nano-urea treatments, T₈ (15 ml/4.5 L + RDF) showed comparatively better performance for growth and fruit attributes. Overall, the application of brassinosteroid at 5 ppm along with RDF was the most effective treatment for improving vegetative growth and physical fruit attributes of dragon fruit under the subtropical conditions of Western Uttar Pradesh.
A. Rawat, Sanjay Kumar Tripathi, Arvind Kumar et al.· Genetics and Molecular Resea...· 0 citations
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