Year: 2014 | Month: March and June | Volume 2 | Issue 1 and 2
Effect of gibberellin and cytokinin on Sucker Production and flowering of anthurium (Anthurium andraeanum Lind.) cv. Nitta in the Plains of West Bengal
DOI:Coming soon...
Abstract:
Greenhouse grown Anthurium (Anthurium andraeanum Lind.) cv. Nitta plants were treated with six different levels of plant growth regulators namely BA 500 ppm, BA 1000 ppm, GA3 500 ppm, GA3 1000 ppm, BA 250 ppm + GA3 250 ppm and BA 500 ppm + GA3 500 ppm and their effect on the sucker production and flowering were compared against control (without application of plant growth regulators). Plants treated with 1000 ppm BA recorded highest number of side-shoots per plant (5.67), earliest flower bud initiation (253.83 days) and higher post-harvest life of cut flowers (12.33 days). Control plants showed the earliest spadix visibility (32.83 days) stage, longest spadix (4.17 cm) and reached the blooming stage earlier (5.83 days) along with plants treated with BA 500 ppm. GA3 500 ppm treated plants produced the highest number of flowers per plant (3.33) and spadix circumference (1.33 cm) however, the longest stalks (15.82 cm) and spathes (6.53 cm) were obtained from the plants treated with GA3 1000 ppm and BA 250 ppm + GA3 250 ppm respectively. Widest spathes (5.60 cm) and maximum in-situ longevity of flowers (36 days) were obtained from the plant growth regulator treatment BA 250 ppm + GA3 250 ppm and monthly leaf number, leaf length, leaf width and petiole lengths were fluctuated greatly with season and stage of crop growth. BA 1000 ppm and a mixture of BA (250 ppm) and GA3 (250 ppm) was found better for growth, development, flowering, post-harvest life and keeping quality of anthurium flowers.
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