2. Institutional Publications
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Item Correlation and causation studies in amaranthus (Amaranthus sp.)(Kerala Agricultural University, 1981) Mathai, P J; Ramachander, P RA correlation and causation study on 59 varieties of amaranthus belonging to pulling and the dual purpose types (grain types which can also be used for pulling)^ has been made. The three different facets of yield viz., plant weight, leaf weight and stem weight had similar type of association with morphological measurements. It was seen that while simultaneous selection for yield and leaf area is possible, characters like girth are strongly related with yield and a variety having high yield and thin stem cannot be evolved within the varieties under study. It was further seen that wide variability existed in the types indicating possibility for isolating promising selections. A plant type combining larger girth and larger height was a better ideotype among pulling types. Among the dual purpose types all characters influence yield only through girth, thus making a very high yielding variety thicker and consequently having a stem with mo'e fibre content. Tnis leads to the conclusion that higher yielding varieties are to be identified among the pulling types.Item Effect of maturity, position of leaves and post harvest storage on the nutritional composition and organoleptic qualities of amaranthus(Kerala Agricultural University, 1993) Jijiamma, N C; Prema, LA study was undertaken to estimate the nutritional composition and organoleptic qualities of red and green varieties of Amaranthus tricolor during rainy and summer seasons with respect to maturity, position of leaves and post harvest storage. The concentration of the nutrients was highest when harvested around 20 days after transplanting. The protein content of the leaves was not influenced by location of leaves, irrespective of seasons and varieties. Variation in concentration of fibre was observed in different parts of the plant during summer season. Contents of minerals and ascorbic acid were varying significantly in leaves located in different parts of the plant. The green variety retained higher level of nutrients during the two seasons. Red amaranth us grown during summer season was found to be more acceptable. Refrigeration was found to be the best method of storage compared to keeping in polythene bag, dipping the roots in water and wet doth storage for different duration. Storage for different durations had no effect on nutrients except ascorbic acid.Item Effect of different methods of cooking on the nutritional composition and organoleptic qualities of Amaranthus(Kerala Agricultural University, 1994) Jijiamma, N C; Prema, L