Response of pigeonpea to season, halopriming and plant bioregulators intervention in relation to plant physiology and yield potential
 

DOI: 10.18805/IJARe.A-5092    | Article Id: A-5092 | Page : 190-195
Citation :- Response of pigeonpea to season, halopriming and plant bioregulators intervention in relation to plant physiology and yield potential.Indian Journal Of Agricultural Research.2019.(53):190-195
C. Vanitha and M. Kathiravan cvani_seed@yahoo.co.in
Address : National Pulses Research Centre Vamban, Pudukkottai-622 303, Tamil Nadu, India.
Submitted Date : 21-07-2018
Accepted Date : 2-02-2019

Abstract

Pigeonpea seeds were primed with  CaCl2 (2%), ZnSO4 (100 ppm), KH2PO4 (1%), KCl (1%), MnSO4 (100 ppm) and water.  Primed seeds of ZnSO4 showed increased germination (92 %), drymatter production (0.399 mg seedlings-10) and least values for electrical conductivity (0.110 dSm-1), leachate  aminoacid (37.82 mg g-1) and lipid peroxidation (0.137 OD). The best priming treatment was taken to field trial. The plant bioregulators viz., GA3 (200 ppm), NAA (200 ppm), miraculan 2.0 ml/l, cytozyme 2.0 ml/l, CCC 200 ppm and  diammonium phosphate 2% were sprayed at 65 days and 80 days after sowing. Under field trial seed priming with ZnSO4 (100 ppm) and  foliar spray with CCC 200 ppm reduced the plant height (131 cm), produced more number of branches (18), flowers (993), pods (527), highest seed yield (1520 kg/ha) and 100 seed weight (8.77 g) in kharif season.  

Keywords

Foliar spray Halopriming Pigeonpea Plant bioregulators Season Yield.

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