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5 resultater
First Report of Mosaic Disease Caused by Colombian datura virus on Solanum lycopersicum Plants Commercially Cultivated in Japan.
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In 2009, some commercially grown tomato (Solanum lycopersicum) plants in Chiba Prefecture, Japan, exhibited mosaic symptoms. Ten plants from a total of about 72,000 cultivated plants in the greenhouses showed such symptoms. To identify the causal agent, sap from leaves of the diseased plants was
Pollen ultrastructure in anther cultures of Datura innoxia. I. Division of the presumptive vegetative cell.
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Ultrastructural features of embryogenic pollen in Datura innoxia are described, just prior to, during, and after completion of the first division of the presumptive vegetative cell. In anther cultures initiated towards the end of the microspore phase and incubated at 28 degrees C in darkness, the
The role of nuclear fusion in pollen embryogenesis of Datura innoxia Mill.
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If anthers of Datura innoxia containing microspores are cultured at 28° C for 24 h, two forms of haploid pollen grains are produced; one with typical unequal generative and vegetative nuclei (A), and the other with equal vegetativetype nuclei (B). The A form predominates. After 24 to 72 h in
The early ontogeny of embryoids and callus from pollen and subsequent organogenesis in anther cultures of Datura metel and rice.
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Haploidy induction through anther culture has been examined in Datura metel and rice with a view to tracing the precise sequence of development of the pollen, either directly or through an intervening callus, into an embryo and seedling. In D. metel, the vegetative cell of the young pollen grain
Retarded hippocampal development following prenatal exposure to ethanolic leaves extract of Datura metel in wistar rats.
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BACKGROUND
Datura metel contains atropine alkaloids and has been used to treat complication like asthma and, bronchitis, because of its anticholinergic properties.
OBJECTIVE
This study aimed to determine the prenatal effects of ethanolic extract of D. metel leaves exposure on the development of
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