Effect of plant growth regulators on growth and yield characters of sesamum
KrishiKosh
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Title |
Effect of plant growth regulators on growth and yield characters of sesamum
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Creator |
Behera, Srikrushna
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Contributor |
Hota, B
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Subject |
growth regulators such as NAA, GA & I AA, sesame varieties viz. Uma, Amrit, Smarak, Prachi & Nirmala, seed germination, yield
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Description |
The present experiment was conducted in the Central farm OUAT during Rabi season 2014-15 with five sesame varieties viz. Uma, Amrit, Smarak, Prachi & Nirmala to study the efficiency of growth regulators such as NAA, GA & I AA in two Conc. (10 ppm & 20 ppm ) sprayed at 30 & 45 DAS. The experiment was laid out in split-plot design with three replications. The morpho - physiological and bio-ch emical observations were recorded at different stages of growth of all the varieties due to effect of growth regulators. Significant increase was observed in response to gr owth regulator on germination of seeds and the highest percentage of seed germinatio n was recorded in GA 3 20 ppm. Due to spraying of growth regulators there was increase of plant height, number of branches & leaf area per plant in all the treatments irrespective o f varieties and the highest value was exhibited by Nirmala as regards to above characters. The chlo rophyll content both chlorophyll-a, chlorophyll-b and total chlorophyll increased due t o spraying growth regulators over the control. The LAI, RGR, NAR, CGR & LAD were found to be increased in PGRs treatments over the control. Among the varieties Nirmala exhib ited highest value followed by Amrit. The yield attributing characters such as total dry matt er, number of capules/ plant, number of seeds per capsules and 1000 seed weight were signif icantly increased among the treatments as well as varieties. Due to the spraying of Plant gro wth regulators the percentage of increase in yield ranged from to a tune of 0.5 % in GA 10 ppm c onc. to 24 % in GA 20 ppm conc. over the control. Among the varieties highest yield was noted in Nirmala (5.60 q/ha) followed by Amrit (5.08 q/ha). In view of the present findings Nirmala was found t o be highest yielder and higher concentration of Plant growth regulators were foun d to be more significant over the control |
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Date |
2017-01-03T12:26:41Z
2017-01-03T12:26:41Z 2015 |
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Type |
Thesis
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Identifier |
http://krishikosh.egranth.ac.in/handle/1/94128
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Language |
en
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Relation |
Th;4440
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Format |
application/pdf
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