Asian Journal of Bio Science

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Response of Pgrs on Rooting Potential in Soft Wood Stem Cutting of Cpts of Pongamia pinnata under Spring-summer Condition


Affiliations
1 Department of Horticulture, College of Horticulture, Indira Gandhi Krishi Vishwavidyalaya, Rajnandgaon, C.G., India
2 Dr. Balasaheb Sawant Konkan Krishi Vidyapeeth, Dapoli, Ratnagiri, M.S., India
     

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Pongamia pinnata is a oil producing tree species with multiple uses and considerable potential as a bioenergy crop. In this experiment efficacy of plant growth regulators viz., IBA, NAA and ischolar_mainax powder with different concentrations were studied on ischolar_maining ability, growth and survival of stem cuttings of Pongamia. The results revealed that PGR particularly IBA @ 1500 ppm had significantly (P=0.05) effect on maximum number of primary ischolar_mains (30.00), success of ischolar_maining percentage (92.50) and more number of new shoots per stem cutting. Similarly this PGR treated cuttings showed higher survival percentage as compared to rest PGRs. In regard to minimum (28 days) taken to first sprouting per cutting was also recorded with IBA @ 1500 ppm followed by NAA @ 1500 ppm. This information would help in large scale production and multiplication of genuine planting material for further improvement in elite genotypes of Pongamia.

Keywords

Pongamia, Cuttings, Rooting, Plant Growth Regulators, Vegetative Propagation
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  • Response of Pgrs on Rooting Potential in Soft Wood Stem Cutting of Cpts of Pongamia pinnata under Spring-summer Condition

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Authors

Abhay Bisen
Department of Horticulture, College of Horticulture, Indira Gandhi Krishi Vishwavidyalaya, Rajnandgaon, C.G., India
B. S. Asati
Department of Horticulture, College of Horticulture, Indira Gandhi Krishi Vishwavidyalaya, Rajnandgaon, C.G., India
Shwati Pardhi
Dr. Balasaheb Sawant Konkan Krishi Vidyapeeth, Dapoli, Ratnagiri, M.S., India

Abstract


Pongamia pinnata is a oil producing tree species with multiple uses and considerable potential as a bioenergy crop. In this experiment efficacy of plant growth regulators viz., IBA, NAA and ischolar_mainax powder with different concentrations were studied on ischolar_maining ability, growth and survival of stem cuttings of Pongamia. The results revealed that PGR particularly IBA @ 1500 ppm had significantly (P=0.05) effect on maximum number of primary ischolar_mains (30.00), success of ischolar_maining percentage (92.50) and more number of new shoots per stem cutting. Similarly this PGR treated cuttings showed higher survival percentage as compared to rest PGRs. In regard to minimum (28 days) taken to first sprouting per cutting was also recorded with IBA @ 1500 ppm followed by NAA @ 1500 ppm. This information would help in large scale production and multiplication of genuine planting material for further improvement in elite genotypes of Pongamia.

Keywords


Pongamia, Cuttings, Rooting, Plant Growth Regulators, Vegetative Propagation

References