2. Institutional Publications

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    Gamma ray induced variation for yield in sweet potato
    (Kerala Agricultural University, 1995) Suma Bai, D I; Nayar, N K
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    Genetic analysis of yield and its components in fodder maize
    (Kerala Agricultural University, 1995) Sreekumar, S G; Suma Bai, D I
    Nine fodder maize types were evaluated in a randomized block design with three replications during summer 1992 at the College of Agriculture, Vellayani under the AICRP (Forage Crops). Genetic analysis of fodder yield and its components revealed that plant height and plant population recorded high genotypic coefficient of variation, heritability and genetic advance indicating that selection based on these characters will result in improving fodder yield. Highest genotypic correlation was observed between green and dry fodder yield and also between plant population and dry fodder yield. High heritability and high genetic advance observed for plant height indicate additive gene action and the reliability of this character during selection programmes for improving the yield.
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    Genetic analysis of yield and its components in fodder teosinte (Euchlaena mexicana L. Schrad)
    (Kerala Agricultural University, 2000) Suma Bai, D I; Lekha Rani, C
    Ten fodder tcosintc types were evaluated in a randomized block design with three replications during Kharif 1995 at the College of Agriculture, Vellayani under AICRP on Forage Crops. Genetic analysis of fodder yield and its components revealed that plant height recorded high genotypic coefficient oi' variation, herilability and genetic advance indicating that selection based on this character will result in improving fodder yield. Highest genotypic correlation was observed between green fodder yield and dry matter yield. Leaf number per plant and plant stand recorded highest positive genotypic correlation with green fodder yield.
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    Sneha, an improved variety of groundnut for uplands
    (Kerala Agricultural University, 2000) Suma Bai, D I; Manju, P; Sverup John; Wilson, D; Gopimony, R; Vijayagopal, P D
    Initial evaluation trials (lETs) were conducted with 18 superior types and 18 extra early segregants from the Fs progenies during 1993. From the lETs, seven high yielding types and nine high yielding, extra early progeny bulks were selected and subjected to CYTs during kharif 1994 and 1995 at the College of Agriculture, Vellayani, Thiruvananthapuram along with check varieties. Two promising types, VGE-551 and 1SKO-8805 with high yield and two cultures, Culture 15 and Culture 18 with high yield and early maturity were advanced to farm trials along with TMV 2 and local check at nine locations in Thiruvananthapuram district during kharif 1996. Culture 15 with high yield and early maturity was recommended for release as Sneha suitable for cultivation in the uplands of Thiruvananthapuram district.