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Subject: Crop Physiology × Author: KALPANA, M × End date: 2017 × Thesis Type: M.Sc ×
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    ThesisItemOpen Access
    PHYSIOLOGICAL APPROACHES FOR YIELD, QUALITY IMPROVEMENT AND VALUE ADDITION IN CHILLI (Capsicum annuum L.)
    (University of Agricultural Sciences, Dharwad, 2003) KALPANA, M; CHETTI, M B
    ABSTRACT NOT AVAILABLE
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    ThesisItemOpen Access
    MORPHO-PHYSIOLOGICAL TRAITS ASSOCIATED WITH PRODUCTIVITY IN COWPEA (Vigna ungiculata (L.) Walp)
    (University of Agricultural Sciences, Dharwad, 2000) KALPANA, M; CHETT, MAHADEV B
    "A field experiment was conducted at College of Agricultural Farm, University of Agricultural Sciences, Dharwad during kharif 1999 to elicit information on relative performance of cowpea genotypes belonging to different growth habits with respect to various morphological, growth, physiological and biochemical indices. It was also intended to find out the relationship between these parameters and their relation with yield to assign reasons for differential productivity in the genotypes. Results revealed that plant height, number of branches and canopy spread were more in indeterminate genotypes as compared to determinate genotypes. The genotype C-152 belonging to indeterminate type was found to be taller and KM-5 belonging to determinate type was found to be shorter over other genotypes. The leaf characters viz., leaf area, leaf weight, LAI and LAD differed significantly between the genotypes and these values are higher in the genotypes belonging to indeterminate t\'pes as compared to determinate types. Whereas SLW was significantly higher in determinate types. The high yielding genotypes irrespective of growth habit maintained higher LAD as compared to low yielding genotypes. Indeterminate genotypes recorded higher stem dry weight over determinate types. However, dry weight of reproductive parts, nodule dry weight and TDM were higher in the genotypes belonging to determinate type. NAR was found to have significant positive relationship with seed yield, plant height and the number of nodules. Similarly, BMD and CGR had significant positive relationship with all the yield components, TDM and NAR. The biochemical parameters viz, chlorophyll content and NRA were found to be more indeterminate types as compared to indeterminate types. The genotypes which had higher values NRA and chlorophyll contents also had higher seed yield. The stomatal index was found to be more on lower surface as compared to upper surface in all the genotypes. The genotypes KM-5 followed by KM-6 under determinate and C-44 followed by C-22 under indeterminate type recorded the maximum seed yield. While, KM-2 under determinate and C-152 under indeterminate had minimum seed yield. The yield components such as number of pods/plant, number of seeds/pod, 100 seed weight and HI were higher in high yielding genotypes in their respective groups."