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“Kotta Vazhai”is a serious physiological disorder of which fruit ?

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  1. “Kotta Vazhai” is a serious physiological disorder of Banana.

    Physiological disorders

    Kottai vazhai (Seediness in poovan)

    Poovan (AAB) the leading commercial variety of India shows a predisposition to seediness locally known as ‘Kottai vazhai’.
    This malady is characterised by the presence of distinctly, conical and ill filled fruits with a prominent central core having many under developed seedy structures rendering the fruits inedible.
    It is noticed only in Tamil Nadu
    Incidence of ‘Kottai vazhai’ in the early stage are not detectable
    Later, the ‘Kottai vazhai’ developed streaks, striations and blotches on the pseudostem and on the leaves.
    The second crop of ‘Kottai vazhai’ also has these blotches suggesting the possible presence of a genetic basis for the disorder.
    The bunches are held at a angle above the horizontal position and the peduncle shows irregular curvatures.
    It is easily overcome by spraying of 2,4-D 20 ppm (1g in 50 litres of water) immediately after the last hand opens.
    By this treatment seediness is completely overcome and the treated bunches are found to be better in quality

  2. “Kotta Vazhai” is a serious physiological disorder of Banana.

    Physiological disorders

    Kottai vazhai (Seediness in poovan)

    Poovan (AAB) the leading commercial variety of India shows a predisposition to seediness locally known as ‘Kottai vazhai’.
    This malady is characterised by the presence of distinctly, conical and ill filled fruits with a prominent central core having many under developed seedy structures rendering the fruits inedible.
    It is noticed only in Tamil Nadu
    Incidence of ‘Kottai vazhai’ in the early stage are not detectable
    Later, the ‘Kottai vazhai’ developed streaks, striations and blotches on the pseudostem and on the leaves.
    The second crop of ‘Kottai vazhai’ also has these blotches suggesting the possible presence of a genetic basis for the disorder.
    The bunches are held at a angle above the horizontal position and the peduncle shows irregular curvatures.
    It is easily overcome by spraying of 2,4-D 20 ppm (1g in 50 litres of water) immediately after the last hand opens.
    By this treatment seediness is completely overcome and the treated bunches are found to be better in quality

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