Influence of plant growth regulators on growth, yield and quality of strawberry (Fragaria x ananassa Duch) cv. Sweet Charlie
2011
Kumar, Rakesh | Caravaṇan̲, Nallūr Cā. | Bakshi, Parshant | Srivastava, J.N.
An experiment was conducted to study the effectiveness of foliar spray of gibberellic acid at (25, 50 and 75 ppm), triacontanol (1.25, 2.5 and 5 ppm) and cycocel (300, 600 and 900 ppm) on strawberry cv. Sweet Charlie. The results revealed that plants treated with 75 ppm gibberellic acid showed an increase in all the vegetative characteristics of plants viz., plant height (46.10 cm), petiole length (15.53 cm), number of leaves (15.54), plant spread (29.40 cm) and leaf area index (0.816), while highest number of fruits (23.31), yield (376.69 g/plant), yield per hectare (27.90 tonnes), length:diameter ratio of fruit (1.50), specific gravity (1.28%), pH value of fruits (3.69), and cost benefit ratio were recorded with triacontanol 5 ppm treated plants. The plants treated with 900 ppm cycocel showed the highest T.S.S. (9.63⁰B), total sugar (9.40%), vitamin-C content (55.00 mg/100g), juice content (93.66%) and lowest acidity (0.52%). The spray of 75 ppm gibberellic acid is best for vegetative growth, while 900 ppm cycocel showed best result for fruit quality of strawberry.
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