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S. T. Naik , H. Shivanna

Abstract

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Mahantappa Sankanur , S. L. Somashekharaiah , L. Venkateim , Basavaraj S. Ganigerand , H. Shivanna

Abstract

Among the twelve different treatments, treatment with poultry manure at 33 g per seedling (T₈) showed significantly higher seedling height, collar diameter, number of leaves, and dry weight of leaf, shoot, ischolar_main and total dry weight at 240 days after planting the values for which were 42.50 cm, 4.92 mm, 18.45, 1.38 g, 0.99 g, 1.86 g and 4.23 g, respectively with absolute growth rate (0.017 g/day), sturdiness quotient (8.62) and Dickson's quality index (0.43) when compared to the initial dry weight ofleaf, shoot, ischolar_main and total initial dry weight 0.01 g, 0.06 g, 0.09 g and 0.16 g, respectively. It was followed by treatment with Phospho bacteria at 5 g per seedling (T₅) which showed seedling growth attributes viz., 41.00 cm seedling height, 3.28 mm collar diameter, 12.51 number of leaves, and dry weight of leaf (0.29 g), shoot (0.83 g), ischolar_main (2.09 g) and total dry weight (3.19 g) at 240 days after planting with 0.013 g/dayof absolute growth rate, 17.70 of sturdiness quotient and 0.18 of Dickson's quality index, when compared to the initial dry weight of leaf, shoot, ischolar_main and total initial dry weight 0.02 g, 0.06 g, 0.08 g and 0.16 g, respectively.

Keywords

Pterocarpus santalinus, Manures, Fertilizers, Jeevamruta and Seedling Growth

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K. T. Venkatesha ¹, M. Asif ², K. V. Vijay Kumar ², H. Shivanna ³

Affiliations
1 Department of Genetics and Plant Breeding, University of Agricultural Sciences, G.K.V.K., Bengaluru, Karnataka, IN
2 Departments of Genetics and Plant Breeding, G.K.V.K., University of Agricultural Sciences, Bengaluru, Karnataka, IN
3 Directorate of Research, University of Agricultural Sciences, G.K.V.K., Bengaluru, Karnataka, IN

Abstract

The present study was conducted to assess drought tolerant and grain yield traits in maize. Seventeen stable and productive inbred lines were evaluated under drought condition. Results revealed that, The analysis of variance in respect to four drought tolerant and twelve yields and yield attributing characters indicated highly significant differences among the genotypes as revealed by 'F' test. Among the inbred lines, SKV-70, CML-249, CML-357 showed the better mean values for drought tolerant traits viz., SPAD chlorophyll meter reading (SCMR), specific leaf area(SLA), anthesis silking interval (ASI), carbon isotope discrimination (Δ¹3C) in desirable direction. Lines NAI-143, NAI-156, SKV-70 had higher yielding ability along with good drought tolerance ability compared to other inbred lines.

Keywords

Spad Chlorophyll Meter Reading (SCMR), Specific Leaf Area (SLA), Anthesis Silking Interval (ASI), Carbon Isotope Discrimination (Δ¹³c)

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