2019
DOI: 10.3103/s1068367419030108
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Variability of Rice Haploids Obtained From In Vitro Anther Culture

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Cited by 7 publications
(10 citation statements)
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“…Despite the fact that haploid plants are extremely sterile, when pollinated with normal pollen from diploid plants, they produce seeds, although in insignificant quantities (Khokhlov et al, 1976). This is indirectly confirmed by the fact that few (two to three) plants with single seeds appear on callus androgenic lines with multiple regeneration of haploids (Ilyushko, Romashova, 2019), which are probably formed through megasporogenesis and microsporogenesis according to the 0-n type with subsequent self-pollination. Aneuhaploid evolution explains the intraspecific variability of chromosome numbers among plant species with low ploidy.…”
Section: Discussionmentioning
confidence: 78%
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“…Despite the fact that haploid plants are extremely sterile, when pollinated with normal pollen from diploid plants, they produce seeds, although in insignificant quantities (Khokhlov et al, 1976). This is indirectly confirmed by the fact that few (two to three) plants with single seeds appear on callus androgenic lines with multiple regeneration of haploids (Ilyushko, Romashova, 2019), which are probably formed through megasporogenesis and microsporogenesis according to the 0-n type with subsequent self-pollination. Aneuhaploid evolution explains the intraspecific variability of chromosome numbers among plant species with low ploidy.…”
Section: Discussionmentioning
confidence: 78%
“…This was not observed among doubled haploids obtained from varietal plants. Variability of intracallus morphological features in varietal haploids was always accompanied by a decrease in the values of morphological features with an increase in the serial number (Ilyushko, Romashova, 2019). In some callus lines (459.1.2 and 124.2.2) in the second or third group in hybrid haploids the number of panicles per plant and the number of flowers per panicle increased.…”
Section: Discussionmentioning
confidence: 94%
“…Наблюдается отклонение от ожидаемого расщепления по молекулярным маркерам (24). И если у ячменя, культивируемого через микроспоры, получают до 50 регенерантов с пыльника (25), то у риса, формирующего каллус, в отдельных случаях образуется несколько сот гаплоидных растений или более 120 удвоенных гаплоидов (26). Встречаются каллусы (17 %) с малочисленными (до 18 шт.)…”
unclassified
“…Вопросы внутрисортовой/внутригибридной и внутрикаллусной изменчивости остаются малоизученными. По комплексу количественных признаков на сорте риса Каскад показаны достоверные различия между удвоенными гаплоидами двух каллусных линий, полученных из двух пыльников (9).…”
unclassified