In any crop improvement programme, it is necessary to identify the stable variety for physiological traits which could perform more or less uniformly under different environ- mental conditions. In view of its great importance, the present study was carried out to find out the stability of dry matter accumulation (DMA) and its compon.. ents in pigeonpea. The study revealed that none of the cultivar could be indenti- fied for DMA. However, CORG 5 indentified for its stability in photosynthetic rate, CORG 11 for LAI, UPAS 120 for leaf-stom ratio and SA 1 for ILA. So it is evident from this sturly that these cultivars can be used for crop improvement research in pigeonpea.
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Agricultural Students Union
Tamil Nadu Agricultural University
Coimbatore - 641 003
Tamil Nadu, India.
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