Morphological features and pod growth in late sown indeterminate Pigeonpea

Das, S.S. and Fakir, M.S.A (2010) Morphological features and pod growth in late sown indeterminate Pigeonpea. Journal of Agroforestry and Environment, 4 (1). pp. 55-58.

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Abstract

Morphological characters and physiological maturity (PM) were investigated in late sown indeterminate (long duration) pigeonpea (Cajanus cajan) morphotype (Bogra) at Mymensingh, from September 2008 to March 2009. Results revealed that days required to first flowering, duration of flowering, plant height, stem thickness, number of primary and secondary branches, canopy spread, dry mass plant-1, number of pods plant-1 and fresh shell ratio were 100.06±0.37 days after sowing (DAS), 117.93±0.33 DAS, 144.87±0.77 cm, 7.21±0.16cm 29.12±0.40, 40.5±0.93, 84.65±0.96 cm, 385.20±2.73g, 280.5±2.61 and 63.32±0.87 %, respectively. Maximum seed dry weight or PM was observed around 47 days after flowering (DAF); while appropriate time of vegetable pod harvest was between 40 and 47 DAF. Morphological changes of pods and seeds with aging were also observed. Length and width of pod increased gradually with increasing age (days after flowering, DAF) and reached maximum at PM. Fresh weight of pericarp reached maximum at around 40 DAF (approximately 0.83 g/pod). Total soluble solids (TSS) of seed increased with aging reaching peak at 54 DAF (29.75 % brix). It may be concluded that the PM attained at 47 DAF and young green pods may be harvested for vegetable seed between 40 and 47 DAF.

Item Type: Article
Uncontrolled Keywords: Canopy structure, Physiological maturity, Vegetable pod, Cajanus cajan.
Author Affiliation: Department of Crop Botany, Bangladesh Agricultural University, Mymensingh-2202, Bangladesh
Subjects: Plant Production
Divisions: General
Depositing User: Mr Daneti Raju
Date Deposited: 15 Dec 2013 13:32
Last Modified: 15 Dec 2013 13:32
URI: http://eprints.icrisat.ac.in/id/eprint/12237

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