Influence of foliar spray of growth regulators on flowering traits of rose geranium (Pelargonium graveolens L ’Herit. ex Aiton)
2018
Negi, Neeraj Singh | Kumar, Ajit
The present study was conducted during 2014–2016 to study the effect of foliar application of growth regulators on flowering traits of rose geranium cv. CIM Pawan. The experiment was laid out in randomized block design with three replications. The different growth regulators used were CCC (500 ppm, 1000 ppm, 1500 ppm) ethephon (300 ppm, 600 ppm, 900 ppm) and GA₃ (100 ppm, 200 ppm, 300 ppm). Pooled data of two years revealed that flowering characteristics, like diameter of inflorescence (4.8 cm) and length of inflorescence stalk (6.97 cm), were shown maximum with the treatment GA₃ at 300 ppm. The maximum number of inflorescence per plant (2.99) was observed with the treatment ethephon at 900 ppm wherease maximum duration of flowering (9.90 days) was observed with treatment CCC at 1500 ppm. On the basis of present studies, it could be concluded that under prevalent climatic conditions of Uttarakhand Tarai region, application of GA₃ at 300 ppm is the best in terms of increasing inflorescence diameter and length of inflorescence stalk and ethephon 900 ppm for increasing number of inflorescence in rose geranium. Due to high cost of import, the geranium oil generates a higher price in the international market. Therefore, the crop has a wide scope for cultivation under Indian conditions and can prove beneficial to the farmers.
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