2. Institutional Publications

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    Efficacy of certain growth regulators in inducing flowering in pineapple (Ananas Comosus)
    (Kerala Agricultural University, 1978) Balakrishnan, S; Aravindakshan, M; Krishnan Nair, N
    A study was undertaken at Pineapple Research Centre, University Main Campus, Vellanikkara in 1976—77 to find a cheaper growth regulator for uniform flower induction in pineapple. The findings showed that a combination treatment of 25 ppm ethrel, 2% urea and 0.04% calcium carbonate was much effective than ethrel application alone ensuring higher percentage of flowering and poduction of better sized, shaped and uniform fruits. The cost of treatment was found to be low, 1.2 paise per plant.
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    Effect of ethrel, 2,4-D and MH on growth, rhizome yield and diosgenin content in costus spec/os us (Koening) smith
    (Kerala Agricultural University, 1994) Satheeshan, K N; Mohanakumaran, N
    An experiment to study the effect of ethrel, 2,4-D and MH on the growth, rhizome yield and diosgenin content in Costus speciosus was conducted at the College of Horticulture, Vellanikkara. Plant height was significantly reduced by ethrel and MM at the levels tried. Ethrel 100 and 200 ppm significantly increased the number of tillers per plant. The length, width and leaf area and internodal length of shoot was significantly reduced by ethrel treatments while total leaf area was higher in plants treated with 2,4-D (10 and 20 ppm). Ethrel 200 ppm recorded maximum yield of green and dry rhizomes. Diosgenin content of the rhizome was found to be the highest in the plants treated with 2,4-D 10 ppm. Shoot/rhizome ratio was significantly reduced by Ml I treatments.