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Shashidhar, T. R.
- Effect of Different Herbicides on Weed Growth and Yield of Garlic (allium Sativum L.)
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Authors
Affiliations
1 Department of Horticulture, National Seed Project, Seed Unit, University of Agricultural Sciences, Dharwad Karnataka, IN
2 Department of Horticulture, College of Agriculture, University of Agricultural Sciences, Dharwad Karnataka, IN
3 Karnataka State Department of Agriculture, Dharwad Karnataka, IN
4 Department of Plant Breeding, Seed Unit, University of Agricultural Sciences, Dharwad Karnataka, IN
5 Dr. P. Sadananda Maiya Centre for Food Science and Research,Bengaluru Karnataka, IN
1 Department of Horticulture, National Seed Project, Seed Unit, University of Agricultural Sciences, Dharwad Karnataka, IN
2 Department of Horticulture, College of Agriculture, University of Agricultural Sciences, Dharwad Karnataka, IN
3 Karnataka State Department of Agriculture, Dharwad Karnataka, IN
4 Department of Plant Breeding, Seed Unit, University of Agricultural Sciences, Dharwad Karnataka, IN
5 Dr. P. Sadananda Maiya Centre for Food Science and Research,Bengaluru Karnataka, IN
Source
International Journal of Plant Protection, Vol 6, No 1 (2013), Pagination: 118-121Abstract
Field experiments were conducted on medium black soil to know the effect of different herbicides on growth and yield of garlic. The experiment was conducted with BLG-1 genotype. The experiment was laid out in Randomized Block Design with three replications having fifteen treatments each. The treatments consisted of six herbicides with two concentrations each along with two manual weeding treatments and an unweeded control. The cultural practices were practiced as per the package of practices of University of Agricultural Sciences, Dharwad. Significant differences were observed among the treatments for all the weed parameters at all the stages of observation. Among herbicides, chlorimuron @ 9 and 12 g a.i. ha-1 recorded the least population of weeds (7.39 and 8.20, respectively) and was followed by chlomazone @ 1.0 and 1.5 kg a.i. ha-1 (9.74 and 11.84, respectively). Application of chlorimuron @ 9 and 12 g a.i.ha-1 recorded the lowest fresh weight (14.94 and 15.98 g, respectively) and dry weight (3.38 and 2.49 g, respectively) of weeds and was followed by application of chlomazone @ 1.0 and 1.5 kg a.i. ha-1 (22.35 and 24.30 g of fresh weight and 4.56 and 5.70 g of dry weight, respectively). Yield of garlic bulbs varied significantly wherein application of Oxyfluorfen @ 0.10 g a.i. ha-1 resulted in the production of highest yield ( 37.08 q/ha) and was on par with the application of Pendimethalin @ 1.0 kg a.i. ha-1 (36.22 q/ha) followed by Oxyfluorfen @ 0.20 g a.i. ha-1 (32.91 q/ha) and Pendimethalin @ 1.5 kg a.i. ha-1 (31.31 q/ha). The lowest yield (14.79 q/ha) was recorded in the unweeded control.Keywords
Weeds, Herbicides, Garlic- Selection systems for late leaf spot resistance in groundnut (Arachis hypogaea L.)
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Authors
Affiliations
1 Karnataka State Department of Agriculture, Dharwad Karnataka, IN
2 Seed Unit, University of Agricultural Sciences,Dharwad Karnataka, IN
3 Department of Genetics and Plant Breeding, University of Agricultural Sciences, Dharwad Karnataka, IN
1 Karnataka State Department of Agriculture, Dharwad Karnataka, IN
2 Seed Unit, University of Agricultural Sciences,Dharwad Karnataka, IN
3 Department of Genetics and Plant Breeding, University of Agricultural Sciences, Dharwad Karnataka, IN
Source
International Journal of Plant Protection, Vol 6, No 1 (2013), Pagination: 128-130Abstract
Single and multiple crosses were advanced from S1 to S3 generation by three selection schemes such as scheme I (single seed bulk), scheme II (selection for yield and resistance) and scheme III (selection for only resistance). Different types of selection schemes along with crosses have shown large amount of variability for pod yield and resistance attribute like leaf area affected and defoliation. Breeding methods did not differ much for heritable variation. Among the different breeding methods employed, scheme I retained higher variability for productivity attributes and scheme III for resistance components. The material forwarded through scheme I and II gave higher frequency of desirable recombinants than scheme III. However, scheme II involved additional cost and efforts as compared to single seed descent method. Based on the results, a comprehensive breeding approach for developing disease resistant and productive cultivars has been discussed.Keywords
Groundnut, Late Leaf Spot, Selection Systems, Comprehensive Breeding Strategy- Genetic Variability and Association of Late Leaf Spot Resistance and Productivity in Groundnut (arachis Hypogaea l.)
Abstract Views :217 |
PDF Views:0
Authors
Affiliations
1 Karnataka State Department of Agriculture, Dharwad Karnataka, IN
2 Seed Unit, University of Agricultural Sciences, Dharwad Karnataka, IN
3 Department of Genetics and Plant Breeding, University of Agricultural Sciences, Dharwad Karnataka
4 National Seed Project, Seed Unit, University of Agricultural Sciences, Dharwad Karnataka, IN
1 Karnataka State Department of Agriculture, Dharwad Karnataka, IN
2 Seed Unit, University of Agricultural Sciences, Dharwad Karnataka, IN
3 Department of Genetics and Plant Breeding, University of Agricultural Sciences, Dharwad Karnataka
4 National Seed Project, Seed Unit, University of Agricultural Sciences, Dharwad Karnataka, IN