1Scientist, Plant Breeding, ICAR-Indian Institute of Maize Research, New Delhi
2Senior Research Fellow, Plant Breeding, ICAR-Indian Institute of Maize Research, New Delhi
3Scientist, Plant Biotechnology, ICAR-Indian Institute of Maize Research, New Delhi
4Scientist, Agronomy, ICAR-Indian Institute of Maize Research, New Delhi
5Scientist, Agronomy, ICAR-Indian Agricultural Research Institute, New Delhi 110 012
6Principal Scientist, Agronomy, ICAR-Indian Institute of Maize Research, New Delhi
7Principal Scientist, Plant Breeding, ICAR-Indian Agricultural Research Institute, New Delhi 110 012
ICAR-Indian Institute of Maize Research, New Delhi 110 012
*Corresponding author Email: bhupender.iari@gmail.com
Online published on 6 May, 2017.
Present study was carried out under field and controlled conditions at New Delhi during 2015 and 2016 to standardize a new rapid screening technique to identify drought tolerant maize (Zea mays L.)genotypes. The genotypes have shown variable wilting symptoms and recovery during the stress and while reverting back to hydroponic, respectively. Only the tolerant genotypes, viz. hybrid ‘PMH 4’ and inbreds ‘DQL633-1-1’, ‘DQL 790 PG-2-4’, ‘CM 125’, ‘CM 140’, and ‘LM 14’ have shown less wilting and much faster recovery compared to susceptible ones viz., ‘IMH 1415’, ‘CML 327’, ‘CML 207’, ‘CML 176’, ‘CML 266’, and ‘CML 556(W)’. The new rapid method could able to identify and verified the drought tolerant and susceptible genotypes very effectively at seedling stage and therefore it can be utilized in breeding programme for preliminary identification of drought tolerant and susceptible genotypes.
Aeroponics and hydroponics, Drought tolerance score, Maize multi-location testing, Yield
