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R. J. Patel T. R. Ahlawat A. I. Patel J. J. Amarcholi B. B. Patel Kapil Sharma

Abstract

An experiment was carried out at Navsari Agricultural University, Navsari during 2014 to evaluate the effect of pre-sowing treatments on survival percentage and growth of mango rootstocks. Mango stones were soaked in aqueous solutions of GA3 (100 and 200 ppm), Beejamruth (2 % and 3 %) and Thiourea (1 % and 2 %) for 12 and 24 hours. The trial was evaluated in Completely Randomized Design based on factorial concept and the treatments were replicated thrice. Imposition of treatments led to significant differences at 5 % level of significance for all parameters chosen in this study. Mango stones when treated with Thiourea at 1 % had the maximum shoot length (49.93 cm), root length (34.38 cm), shoot dry weight (21.08 g) and total dry weight (26.36 g). The highest number of lateral roots (10.90) and survival percentage (64.17) was observed in mango stones dipped in 100 ppm GA3. Between the two soaking duration, soaking mango stones for 24 hours recorded higher values for shoot length (45.03 cm), root length (32.79 cm), number of lateral roots (9.83), survival percentage (62.72), shoot root fresh weight ratio (4.30), shoot dry weight (21.33 g), total dry weight (26.28 g) and shoot root dry weight ratio (4.32). Thus, survival percentage and growth of mango rootstocks can be substantially improved by soaking mango stones in aqueous solutions of 100 ppm GA3 or Thiourea at 1 % for 24 hours before sowing.

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Keywords

GA3, Mango, Shoot length, Survival percentage, Thiourea

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Patel, R. J., Ahlawat, T. R., Patel, A. I., Amarcholi, J. J., Patel, B. B., & Sharma, K. (2017). Growth of mango (Mangifera indica L.) rootstocks as influenced by pre-sowing treatments. Journal of Applied and Natural Science, 9(1), 582–586. https://doi.org/10.31018/jans.v9i1.1234
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