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Influencing Factors Of Seed Germination Of Oplopanax Elatus

Posted on:2008-02-04Degree:MasterType:Thesis
Country:ChinaCandidate:F LinFull Text:PDF
GTID:2143360215491934Subject:Agricultural extension
Abstract/Summary:PDF Full Text Request
The permeability of water of Oplopanax elatus seed is better. The seed coat and endosperm havesomegrowth inhibitors, and the inhibitory effect of water extracts from endosperm on thegermination of Chinese cabbage seeds was higher than that from seed coat. The embryos wereunder differentiating and deep dormancy when the seeds matured, and it was at the cardioid stage.The seeds must be stratified at warm temperature to finish differentiation and development of theembryos, and then at low temperature the seeds finish the physiological dormancy.Northeast punctures the ginseng seed to be the embrionic additional ripening dormancy type. Thebedding treatment may urge the embrionic differentiation growth to complete and but sproutsthrough the physiological additional ripening. The preliminary study result indicated that, Northeastpunctures the ginseng seed to accumulate processing after the first cyclical 7 month-longtropospheres, completes the shape additional ripening but the opening seed to account for about13.6%, completes the seed which the physiological additional ripening sprouts to occupy theopening seed about 16.9%, occupies the processing seed about 2.3%. First cyclical processing hasnot germinated the seed, after the second cyclical 11 month-long bedding treatments, plants theembryo to be possible to continue to complete the shape additional ripening and but sprouts throughthe physiological additional ripening, under outdoor tree shade environmental condition the beddingtreatment seed, completes the shape additional ripening but the opening seed to account for about23.8%, completes the seed which the physiological additional ripening but sprouts to occupy theopening seed about 88.4%, occupies the processing seed about 21.1%. In the room under arefrigerator environmental condition the bedding treatment seed, completes the embrionic shapeadditional ripening but the opening seed to account for about 14.8%, completes the seed which thephysiological additional ripening but sprouts to occupy the opening seed about 48.5%, occupies theprocessing seed about 7.2%. The shape additional ripening seed 30 days completes thephysiological additional ripening after the low temperature stacking but to sprout one after another,to 348 weather, the total germination percentage is 56.8%.
Keywords/Search Tags:Oplopanax elatus, The permeability of water of seed, inhibitors, Embryotreating in sand, After ripening of embrio
PDF Full Text Request
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