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Production and cyto-morphological analysis of intergeneric hybrids of Sorghum × Saccharum

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Abstract

Four intergeneric hybrids were produced by crossing sorghum [ Sorghum bicolor (L.) Moench, 2n =20] as a female parent with sugarcane ( Saccharum officinarum L., 2n = 112). The hybrids were morphologically similar to the sugarcane parent, but lacked vegetative vigour. Sorghum characters present in the hybrids included soft texture of the leaves, tight clasping of the leaf sheaths, presence of aerial roots and triangular ligule. All the hybrids were highly susceptible to natural incidence of mites. Somatic chromosome number of the hybrids ranged from 2n = 62–66, indicating n+n transmission. This is the first report of Sorghum × Saccharum hybrids with sorghum cytoplasm.

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  1. Crop Improvement Division, Sugarcane Breeding Institute, Coimbatore, 641 007, Tamil Nadu, fIndia

    N.V. Nair

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  1. N.V. Nair
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Nair, N. Production and cyto-morphological analysis of intergeneric hybrids of Sorghum × Saccharum. Euphytica 108, 187–191 (1999). https://doi.org/10.1023/A:1003633015836

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