Inheritance of the Nucleolar Trisome in<i>Zea Mays</i>L.

Ghidoni, A.

doi:10.1080/00087114.1975.10796614

Cited by 3 publications

(2 citation statements)

References 27 publications

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“…For two consecutive years the trisomic individuals were found to outnumber the disomics; the ratios being 2.4:1 and 1.7:1. These results are in contrast with those obtained in Lycopersicum (LesIcy, 1928), Nicotiana (Goodspeed & Avery, 1939, 1941, Hordeum (Tsuchiya, 1960), Secale (Kamanoi & Jenkins, 1962), Zea (Ghidoni, 1975) etc. A somewhat comparable case has, however, been reported by Dhillon & Garber (1960) in the genus Collinsia.…”

Section: Figs 7-8 Anaphase I (7) and Anaphase 11 (8) Of A Triplo-4contrasting

confidence: 84%

Genetic diversity among Plantagos V. Transmission of the additional chromosome in a triplo-4 individual ofPlantago lagopus L.

1985

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Section: Figs 7-8 Anaphase I (7) and Anaphase 11 (8) Of A Triplo-4contrasting

confidence: 84%

Genetic diversity among Plantagos V. Transmission of the additional chromosome in a triplo-4 individual ofPlantago lagopus L.

1985

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“…However, tremendous variation in the frequency of trivalent in relation to one bivalent and one univalent is reported in the different trisomics of Trigonella foenum-graecum (Singh and Singh 1976). In the trisomics of Amaranthus tricolor (Madhusoodanan and Pal 1976) and Raphanus raphanistrum (Kamala 1980), the extra chromosome mostly remains in the form of a univalent, whereas in the nucleolar trisomic of maize (Ghidoni 1975), there is higher frequency for the extra chromosome to form a trivalent rather than remaining as univalent.…”

Section: Discussionmentioning

confidence: 99%

Induced trisomics in chrysanthemum coronarium Linn.

Gupta

Gill

1984

CYTOLOGIA

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Chrysanthemum coronarium, a commonly cultivated winter ornamental, is di ploid (n=9) with fairly high incidence of structural heterozygosity. As many as 16 chromosomes are sometimes involved in reciprocal translocations with maximum of eight chromosomes in a single association (Gill and Gupta 1981). Colchicine treatment was given to seeds and seedlings for the artificial induction of autopoly ploidy with the purpose to understand its effect on ornamental characteristics and structural heterozygosity. As a consequence of this two hypertriploids (2n=28 and 30) and one mixoploid (2n=16, 18) were obtained, besides many autotetraploids (2n=36). Two singly trisomics (2n=19) and one doubly trisomic (2n=20) were recovered from the open pollinated progeny of one hypertriploid (2n=30). The present communication deals with the transmission of trisomy and the cytomor phology of these trisomics. Material and methodsSmears for appropriate sized capitula were made in 1% acetocarmine. Pollen fertility was estimated by mounting mature pollen grains in glycero-acetocarmine.

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Mutation

Gottschalk

1977

Progress in Botany / Fortschritte Der Botanik

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Inheritance of the Nucleolar Trisome inZea MaysL.

Cited by 3 publications

References 27 publications

Genetic diversity among Plantagos V. Transmission of the additional chromosome in a triplo-4 individual ofPlantago lagopus L.

Genetic diversity among Plantagos V. Transmission of the additional chromosome in a triplo-4 individual ofPlantago lagopus L.

Induced trisomics in chrysanthemum coronarium Linn.

Mutation

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