Effects of pinching and plant growth regulators on chrysanthemum productivity in the central plain zone of Punjab
2024
Sahu, Jitendra Kumar | Deepika Sahu | Kispotta, Gloriya Smita | Nag, Khiromni
The current study was designed in a factorial randomized block with 16 treatment combinations, including four concentrations of GA3 (G0-control or water spray, G1 at 200 ppm, G2 at 300 ppm, and G3 at 400 ppm) and four levels of pinching (no pinching, pinching at 25 days after transplanting, pinching at 40 days after transplanting, and double pinching at 25 and 40 days after transplanting), and replicated three times. The results showed that the G2P2 treatment had greater effects on the number of primary branches (46.3), the number of leaves (135.8), the number of flowers (107.5), the Flower diameter (6.93 cm), the Weight of flowers per plant (287.1 g) and the Flower yield per ha. (15.7 t). Pinching and plant growth regulators can either induce or decrease plant height and spread, ultimately affecting yield.
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