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The Relation of Coleoptile Length to Yield in Oats 1
Agronomy Journal, 1925The work reported in this paper is a study of the relation between coleoptile length and yield from the seed of 206 individual plant selections of the Early Champion variety of oats. The correlation coefficients obtained are as follows: between uncorrected coleoptile length and uncorrected yield, 0.37 +/- 0.04; between corrected coleoptile length and ...
N. Pettinger
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Coleoptile Length of Dwarf Wheat Isolines
Crop Science, 2002The dwarfing alleles in wheat (Triticum aestivum L.) are associated with shorter coleoptile length that can produce unacceptable and erratic stands. The combined effect of temperature (2, 10, 18°C) and five gibberellic acid (GA) concentrations [0, 5, 50, 100, 500 mg L−1 of potassium gibberellin A3 (C19H21O6K)] in the germination medium on the ...
M. J. Pereira +5 more
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RELATIONSHIP BETWEEN COLEOPTILE LENGTH AND CULM LENGTH IN BARLEY
Canadian Journal of Plant Science, 1980Coleoptile length and culm length in barley (Hordeum sativum Jess.) appeared to be strictly associated in a number of F6 lines derived from a two-way selection experiment for culm length. When the relationship between the two characters was studied in six cultivars and six F2 populations, the degree of association was variable depending upon the ...
S. CECCARELLI, M. T. PEGIATI, F. SIMEONI
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Seed size influences the coleoptile length of wheat
Australian Journal of Experimental Agriculture, 1988Variation in coleoptile length within and between 2 cultivars of semidwarf wheat (Triticum aestivum) was related to seed size. Seeds of cvv. Banks and Kite were separated by sieving for width into the size classes of >2.75, 2.75-250, 2.50-2.25 and 2.25- 2.00 mm. The mean grain weights of ungraded samples were 43.1 mg (Kite) and 34.3 mg (Banks), and
PS Cornish, S Hindmarsh
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Temperature affects germination, mesocotyl length and coleoptile length of oats genotypes
Australian Journal of Agricultural Research, 1993Seedlings of 16 oats genotypes (Algerian, Amby, Bulban, Cluan, Culgoa, Echidna, MA5030, Minhafer, Moore, Mortlock, Panorama 5, Riel, Saia, Stout, West and 81Ab1063) were allowed to elongate in darkness at six constant temperatures (10, 15, 20, 25, 30 and 35¦C) to determine the effect of temperature on final mesocotyl and coleoptile length.
BJ Radford, AJ Key
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Coleoptile length of barley (Hordeum vulgare L.) cultivars
Genetic Resources and Crop Evolution, 2009Coleoptile length is related to maximum seeding depth. The coleoptile length of 44 spring barley cultivars (Hordeum vulgare L.) was determined by laying seeds on moistened filter paper and incubating at 15°C for 13 days. Significant differences in coleoptile length were noted between cultivars (P < 0.05).
Blakely H. Paynter, G. Peter Y. Clarke
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Selection Response for Seedling Root Length and Coleoptile Length in Pearl Millet
Crop Science, 1995Pearl millet [Pennisetum glaucum (L.) R. Br.] production in semiarid areas is primarily limited by poor seedling emergence and poor stands, which result in low yields. The objectives of this study were to measure selection response for seedling root length and coleoptile length, and to compare the effectiveness of greenhouse and laboratory screening ...
L. R. F. M'Ragwa +2 more
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Genetic analysis of coleoptile length and diameter in wheat
Australian Journal of Agricultural Research, 2004Lack of moisture near the soil surface commonly delays sowing, reducing grain yields of Australian wheat (Triticum aestivum) crops. Deep sowing would allow growers to make use of soil moisture lying below the drying topsoil, but the short coleoptiles of semidwarf wheats reduce emergence when sowing at depths greater than 5 cm.
G. J. Rebetzke +3 more
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Temperature affects the mesocotyl and coleoptile length of grain sorghum genotypes
Australian Journal of Agricultural Research, 1990The effect of seven temperatures ranging from 15 to 45¦C on the germination and seedling length (mesocotyl +coleoptile) of eight grain sorghum genotypes (QL10, QL27, B35, R9247, BTx2761, BKS4, RTx7078 and 1790E) was determined. There was significant variation in germination (25-100%) and seedling length (6-182 mm) across temperatures and among ...
BJ Radford, RG Henzell
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Genotype-Environment Interactions in Wheat: Effects of Temperature on Coleoptile Length
Experimental Agriculture, 1976SUMMARYTemperature effects on coleoptile development were studied in 18 genotypes of spring and semi-winter wheats, illustrating a simple experimental approach for choosing genotypes and management practices that would minimize genotype–environment interactions for stand establishment.
G. M. Bhatt, C. O. Qualset
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