The seeds of the range and cultivated grass species viz., Bothriochloa intermedia, Brachiaria dec... more The seeds of the range and cultivated grass species viz., Bothriochloa intermedia, Brachiaria decumbens, Cenchrus ciliaris (CAZRI-75 and 2178), C. setigerus, Chrysopogon fulvus, Dichanthium annulatum, Heteropogon contortus, Panicum maximum (Hamil, Wild hairy, var. BG-1and BG-2), Pennisetum pedicellatum (var. BD-1 and BD-2), Sehima nervosum, Setaria anceps and S. sphacelata were evaluated for seed filling using X-Ray machine. The results obtained are comparable with the results of manual dehusking of the seeds and visual observations. Among some species such as C. setigerus, C. fulvus, S. nervosum, S. anceps and S. sphacelata, slight differences (0.6–3.5 percent plus minus) in seed filling was observed in the results obtained with manually dehusking and X-ray radiography. So the x-ray radiography offers a quick, reliable and non-destructive method for rapid identification of seed filling in grasses.
A total of 111 gennplasm lines of Panicum maximum were evaluated for yield and its attributes. AN... more A total of 111 gennplasm lines of Panicum maximum were evaluated for yield and its attributes. ANOVA revealed significant differenes for plant height, stem diameter, leaf length and leaf width, leafsheath length, panicle length and green fodder yield. Crude protein percent ranged from 4.63 to 8.25%. All the characters under study showed high degree of interrelationships with yield except panicle length and leafsheath length. Based on the high heritability value, high genetic coefficient of variation, moderately expected genetic advance, leaf length seemed to be a good selection criterion.
Part of the Plant Sciences Commons, and the Soil Science Commons This document is available at ht... more Part of the Plant Sciences Commons, and the Soil Science Commons This document is available at https://uknowledge.uky.edu/igc/23/2-7-1/19 The 23rd International Grassland Congress (Sustainable use of Grassland Resources for Forage Production, Biodiversity and Environmental Protection) took place in New Delhi, India from November 20 through November 24, 2015. Proceedings Editors: M. M. Roy, D. R. Malaviya, V. K. Yadav, Tejveer Singh, R. P. Sah, D. Vijay, and A. Radhakrishna Published by Range Management Society of India
ABSTRACT Pollination behaviour and the extent of self-compatibility were studied in Trifolium ale... more ABSTRACT Pollination behaviour and the extent of self-compatibility were studied in Trifolium alexandrinum, commonly known as Berseem or Egyptian clover, an important fodder legume cultivated in Egypt, the Mediterranean basin and the Indian subcontinent. Four treatments were imposed on 16 populations comprising three diploid exotic, three diploid advanced breeding, five induced tetraploid and five diploid pentafoliate lines. The different treatments were open pollination, caging, hand tripping and controlled bee visits. Compared with the open pollinated condition, reduction in seed set in different populations ranged from 12.3 to 99.2% under caged condition. Eight of 16 populations registered more than 90% reduction in seed set. Hand tripping and/or controlled bee visits improved seed set considerably in a few populations, whereas, in one population, no significant effect of these four treatments was observed. The results indicated considerable variation for self-compatibility, together with a requirement of tripping for pollination and seed set, even in self-compatible lines.
Dichanthium annulatum is one of the dominant grasses of India, North Africa, Southeast Asia, Chin... more Dichanthium annulatum is one of the dominant grasses of India, North Africa, Southeast Asia, China, Australia, Fiji, New Guinea, Cuba, Haiti and Puerto Rico. This drought-tolerant grass is an excellent fodder in mixed pastures. Developing varieties with improved quality and tolerance to various abiotic stresses is hampered due to its apomictic nature. Germplasm collection, characterization, genetic diversity analysis and core subset development followed by selection for desirable traits seems to be the most plausible breeding tool for developing new cultivars. In the present study, 498 genotypes collected from different agro-ecological zones in India were included. Genotypes were characterized for various metric and non-numeric traits; and the nutritional parameters. Agglomerative clustering analysis, using the Euclidean distance method, showed 14 distinct clusters. High variability was recorded for green forage yield, quantitative traits and nutritive quality parameters. A core sub...
The seeds of the range and cultivated grass species viz., Bothriochloa intermedia, Brachiaria dec... more The seeds of the range and cultivated grass species viz., Bothriochloa intermedia, Brachiaria decumbens, Cenchrus ciliaris (CAZRI-75 and 2178), C. setigerus, Chrysopogon fulvus, Dichanthium annulatum, Heteropogon contortus, Panicum maximum (Hamil, Wild hairy, var. BG-1and BG-2), Pennisetum pedicellatum (var. BD-1 and BD-2), Sehima nervosum, Setaria anceps and S. sphacelata were evaluated for seed filling using X-Ray machine. The results obtained are comparable with the results of manual dehusking of the seeds and visual observations. Among some species such as C. setigerus, C. fulvus, S. nervosum, S. anceps and S. sphacelata, slight differences (0.6–3.5 percent plus minus) in seed filling was observed in the results obtained with manually dehusking and X-ray radiography. So the x-ray radiography offers a quick, reliable and non-destructive method for rapid identification of seed filling in grasses.
A total of 111 gennplasm lines of Panicum maximum were evaluated for yield and its attributes. AN... more A total of 111 gennplasm lines of Panicum maximum were evaluated for yield and its attributes. ANOVA revealed significant differenes for plant height, stem diameter, leaf length and leaf width, leafsheath length, panicle length and green fodder yield. Crude protein percent ranged from 4.63 to 8.25%. All the characters under study showed high degree of interrelationships with yield except panicle length and leafsheath length. Based on the high heritability value, high genetic coefficient of variation, moderately expected genetic advance, leaf length seemed to be a good selection criterion.
Part of the Plant Sciences Commons, and the Soil Science Commons This document is available at ht... more Part of the Plant Sciences Commons, and the Soil Science Commons This document is available at https://uknowledge.uky.edu/igc/23/2-7-1/19 The 23rd International Grassland Congress (Sustainable use of Grassland Resources for Forage Production, Biodiversity and Environmental Protection) took place in New Delhi, India from November 20 through November 24, 2015. Proceedings Editors: M. M. Roy, D. R. Malaviya, V. K. Yadav, Tejveer Singh, R. P. Sah, D. Vijay, and A. Radhakrishna Published by Range Management Society of India
ABSTRACT Pollination behaviour and the extent of self-compatibility were studied in Trifolium ale... more ABSTRACT Pollination behaviour and the extent of self-compatibility were studied in Trifolium alexandrinum, commonly known as Berseem or Egyptian clover, an important fodder legume cultivated in Egypt, the Mediterranean basin and the Indian subcontinent. Four treatments were imposed on 16 populations comprising three diploid exotic, three diploid advanced breeding, five induced tetraploid and five diploid pentafoliate lines. The different treatments were open pollination, caging, hand tripping and controlled bee visits. Compared with the open pollinated condition, reduction in seed set in different populations ranged from 12.3 to 99.2% under caged condition. Eight of 16 populations registered more than 90% reduction in seed set. Hand tripping and/or controlled bee visits improved seed set considerably in a few populations, whereas, in one population, no significant effect of these four treatments was observed. The results indicated considerable variation for self-compatibility, together with a requirement of tripping for pollination and seed set, even in self-compatible lines.
Dichanthium annulatum is one of the dominant grasses of India, North Africa, Southeast Asia, Chin... more Dichanthium annulatum is one of the dominant grasses of India, North Africa, Southeast Asia, China, Australia, Fiji, New Guinea, Cuba, Haiti and Puerto Rico. This drought-tolerant grass is an excellent fodder in mixed pastures. Developing varieties with improved quality and tolerance to various abiotic stresses is hampered due to its apomictic nature. Germplasm collection, characterization, genetic diversity analysis and core subset development followed by selection for desirable traits seems to be the most plausible breeding tool for developing new cultivars. In the present study, 498 genotypes collected from different agro-ecological zones in India were included. Genotypes were characterized for various metric and non-numeric traits; and the nutritional parameters. Agglomerative clustering analysis, using the Euclidean distance method, showed 14 distinct clusters. High variability was recorded for green forage yield, quantitative traits and nutritive quality parameters. A core sub...
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