2018
DOI: 10.5091/plecevo.2018.1351
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Morphophysiological dormancy, germination, and cryopreservation in Aristolochia contorta seeds

Abstract: Background and aims – Aristolochia contorta is a valuable medicinal plant, a relict of the Tertiary flora. Little is known about the germination biology of Aristolochia. The specific objectives of the present study were to (1) determine the type of dormancy in seeds of A. contorta, (2) describe the embryo development, and (3) explore the influence of deep freezing of the seeds in liquid nitrogen on their germinability.Methods – Seeds were germinated in Petri dishes in sand previously sterilised at high tempera… Show more

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Cited by 9 publications
(3 citation statements)
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“…Though in vitro regeneration methods have been developed for A. indica [22], A. cathcartii [23], and A. tagala [24], pollination and fertilization in these plants cause weak fruit sets. Other limitations also include a small population, anthropogenic factors, and the absence of seed-dispersing agents [25,26]. Moreover, A. manshuriensis populations are affected by genetic drift due to a decline in the reproductive and effective population sizes, mainly linked to anthropogenic factors [27].…”
Section: Introductionmentioning
confidence: 99%
“…Though in vitro regeneration methods have been developed for A. indica [22], A. cathcartii [23], and A. tagala [24], pollination and fertilization in these plants cause weak fruit sets. Other limitations also include a small population, anthropogenic factors, and the absence of seed-dispersing agents [25,26]. Moreover, A. manshuriensis populations are affected by genetic drift due to a decline in the reproductive and effective population sizes, mainly linked to anthropogenic factors [27].…”
Section: Introductionmentioning
confidence: 99%
“…Anthropogenic actions have contributed for the degradation of the Caatinga biome through practices characterized by the exploratory process of this region, such as the removal and burning of native vegetation and agricultural and livestock activities (Ferreira et al, 2014). In addition, many plant species have been threatened around the world due to aggression to ecosystems and impoverishment of biodiversity caused by these actions (Voronkova et al, 2018).…”
Section: Introductionmentioning
confidence: 99%
“…Обычно этот мониторинг ограничивается определением всхожести семян. К сожалению, в литературе очень мало работ, касающихся изучения роста и развития растений из замороженных семян [20]. Особенно это касается однолетних растений, сведения о которых единичны.…”
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