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Different aging pattern in normal and red seeds of haynaldia villosa a cyto photometric analysis in resting root meristems

, : Different aging pattern in normal and red seeds of haynaldia villosa a cyto photometric analysis in resting root meristems. Giornale Botanico Italiano 114(1-2): 29-36

Cytophotometric determinations of DNA and histones content per nucleus were carried out in the 2C root meristematic nuclei from yellow and red seeds of H. villosa of different ages; the histones/DNA ratio increases during the storage period in the yellow seeds while it is almost constant in the red ones. The possible significance of these observations in relation to seed aging is discussed.

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Related references

Innocenti, A.; Bitonti, M., 1980: Different ageing pattern in normal and red seeds of Haynaldia villosa Schur. A cytophotometric study in resting root meristems. Giornale botanico italiano 114(1-2): 29-35

Liu D.; Chen P., 1984: N banding in haynaldia villosa and triticum durum x haynaldia villosa amphidiploid. N-banding was used to identify each of the 7 chromosomes of V genome of H. villosa. Their patterns obtained differ from those of A and B genomes of T. durum. A probable T. durum-H. villosa amphidiploid was further identified with N-banding techniq...

Bempong M.A.; Segars W.D.; Trower E.C., 1975: Cyto genetic analysis of the action of colchicine part 1 pattern of elimination of cytological anomalies in root and shoot apical meristems. Science of Biology Journal 1(4): 111-115

D.Amato F., 1969: Sequential development of meristems in the embryo of triticum durum m a dna auto radiographic and cyto photometric analysis. Developmental Biology: 368-377

Zhang, Z.L.; Dong, G.Y., 1984: Karyotype and chromosome banding pattern in Haynaldia villosa. While the morphology and banding patterns of the first 5 pairs of chromosomes agreed with the mitosis prophase karyotype drawn by B. B. Hyde [see American Journal of Botany (1953) 40, 174-182], differences were observed for the other 2 pairs.

Nakajima G., 1971: Cyto genetical studies on intergeneric hybrids between haynaldia villosa m and secale fragile m part 6 external characteristics and meiosis in pollen mother cells of sfhvf 3 and f 4 plants. Kromosomo (Tokyo) (83): 2666-2677

Liu, D.J.; Chen, P.D., 1984: N-banding in Haynaldia villosa and a Triticum durum-H. villosa amphidiploid. The N-banding patterns of the 7 chromosomes of the V genome of H. villosa differ from those of the A and B genomes of T. durum. A probable T. durum X H. villosa amphidiploid has been identified, with the chromosomes of the A, B and V genomes fully...

Zhong, S.B.; Yao, J.X., 1992: C-banding in Haynaldia villosa and Triticum aestivum-H. villosa amphiploid. The results showed that all 7 chromosomes of H. villosa [Dasypyrum villosum] had clear banding patterns which distinguished them from those of T. aestivum cv. Nongda 146. The chromosome number of the amphiploid ranged from 53 to 56, and plants wit...

Bisignano, V.; Simeone, R.; Blanco, A., 1983: Karyotype analysis of Haynaldia villosa (L.) Schur. Use of Feulgen staining on root tips of an accession from the Bari region showed that there were 3 sub-metacentric chromosome pairs, one metacentric pair, 2 sub-terminal pairs and one pair with a satellite.

Kostoff, D.; Arutiunova, N., 1937: Studies on palyploid plants. Triticum-Haynaldia hybrids with special reference to the amphidiploids Triticum dicoccum x Haynaldia villosa. From open-pollinated flowers of the F1 hybrid Triticum dicoccum x Haynaldia villosa two plants were obtained, one with 28 somatic chromosomes and the other with 42. The latter probably arose by pollination by T. vulgare, the female gamete having b...