COMBINED EFFECT OF DIFFERENT DOSES OF PLANT GROWTH REGULATORS (IBA AND ZEATIN) ON THE PHYSIOLOGY OF Capsicum annum L. FRUIT

Zain Ali, Habiba Shahzad, Mubasshir Hussain, Sehrish Mushtaq, Muhammad Saleem Haider, Muhammad Shafiq

Abstract


Combined effect of two exogenously applied PGR i.e. IBA and Zeatin, on the fruit of Capsicum annuum L was assessed in a designed experiment. Plants were grown in pots with nine treatments and three replications. The treatments were comprised of T1-IBA 1000ppm+Zeatin 100ppm, T3-IBA 1000ppm+Zeatin 300ppm, T5-IBA 4000ppm+Zeatin 100ppm, T7-IBA 4000ppm+Zeatin 300ppm and T9-Control. T1, T3, T5, T7 were applied only at the time of floral buds emergence, whereas T2, T4, T6 and T8 were applied by dipping the floral buds during emergence and at the time of fruit development. The results showed that only T1 manifested enhance in photosynthetic pigments content i.e. chlorophyll a, chlorophyll b, total chlorophyll and carotenoids and its fruits showed Dark green colour. The physical parameters of fruit remained unaffected by PGR’s application.


Keywords


Chilli Fruit, IBA, Zeatin, Physical parameters, Photosynthetic pigments

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DOI: https://doi.org/10.33865/wjb.004.03.0226

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