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A study of relationship between the lodging and some morphological characters with regard to early selection for lodging resistance of spring barley hordeum vulgare i. an analysis of relationship between the lodging grade and some morphological characters at early stages of plant development



A study of relationship between the lodging and some morphological characters with regard to early selection for lodging resistance of spring barley hordeum vulgare i. an analysis of relationship between the lodging grade and some morphological characters at early stages of plant development



Genetica Polonica 26(2): 233-242



The present studies concerned determination of interrelationship between lodging resistance and the occurrence of an anthocyanin pigment at the 3rd-leaf stage, the intensity of a green colour, the position and curvature of leaves at the tillering end stage, the habit of plants and the awn position in a spike at the heading end stage. The relationship between lodging resistance and the time of attaining the succeeding developmental stages was also determined in 26 genotypes of spring barley. Results of the performed studies showed no significant dependence between the lodging grade and occurrence of an anthocyanin pigment, the intensity of a green colour and degree of the leaf curvature at the initial stages of plant development. Genotypes with a larger lodging resistance, as compared to less resistance ones, were characterized by a more coherent plant habit at the heading end stage, by more straight and more tightly set leaves and by a more coherent awns in a spike. Lodging-resistant varieties were characterized by a slower rate (from 1 to 4 days), as compared to lodging varieties, in attaining the succeeding developmental stages (from the 1st-leaf stage to the heading end stage).

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Related references

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