Quantitative Growth Analysis of Tomato (Lycopersicon esculentum Mill.)

Abstract The plant growth analysis parameters like Fresh Mass, Dry Mass, Resource Allocation, Leaf Area, Leaf Area Ratio (LAR), Net Assimilation Rate (NAR), Relative Growth Rate (RGR), Leaf Weight Ratio (LWR) and Root Shoot Ratio and relation between these parameters was studied in Tomato (Lycopersicon esculentum Mill.) during entire life span i.e. from sowing till senescence in the field conditions. The values of growth analysis parameters like RGR and NAR were highest for the period of vegetative growth showing gradual decline towards the senescence. Leaf Weight Ratio (LWR) in general followed a declining trend but the decline was sharp during the transition from vegetative phase to reproductive phase. More resources were allocated towards leaves during vegetative phase to increase the photosynthetic efficiency whereas there was a shift towards reproductive parts during reproductive phase for fruiting. Leaf area followed an increasing trend with time reaching at its peak just before senescence and thereafter leaf area declined with the progress of senescence.

Keywords— Growth Analysis Parameters, Root-Shoot Ratio and Resource Allocation.

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Agriculture Journal: Quantitative Growth Analysis of Tomato (Lycopersicon esculentum Mill.).

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