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A glycerin and polyethyleneglycol solution for separating healthy and diseased soybean seeds

, : A glycerin and polyethyleneglycol solution for separating healthy and diseased soybean seeds. Seed Science and Technology 10(1): 125-129

A mixture of 50/50 (v/v) or 60/40 (v/v) glycerin and PEG 400 was used to separate (by density) seeds infected with Phomopsis sp. from noninfected ones. Water solutions approaching saturation using sodium chloride, sucrose and PEG 6000 were not viscous enough to make the separation. Seeds that did not float on the glycerin-PEG solutions had a higher germination and a lower occurrence of P. sp. than those that floated. Separation was more successful with the cvs.


Other references

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Rappeneau, V.; Bérod, A., 2017: Reconsidering depression as a risk factor for substance use disorder: Insights from rodent models. Depression and substance use disorder (SUD) often co-exist and are typically associated with an inaccurate diagnosis, worsened clinical course and poor medication adherence compared to either disorder alone. To date, the biological mechanisms cont...

Purkayastha, S.; Ford, J.; Kanjilal, B.; Diallo, S.; Del Rosario Inigo, J.; Neuwirth, L.; E.I.rissi, A.; Ahmed, Z.; Wieraszko, A.; Azmitia, E.C.; Banerjee, P., 2012: Clozapine functions through the prefrontal cortex serotonin 1A receptor to heighten neuronal activity via calmodulin kinase II-NMDA receptor interactions. Aberrant dopamine release in the prefrontal cortex (PFC) is believed to underlie schizophrenia, but the mechanistic pathway through which a widely used antipsychotic, clozapine (Clz), evokes neurotransmitter-releasing electrical stimulation is unc...

Andrade, V.L.; Moreira Alves, T.; Regazzi Avelleira, J.C.; Bayona, M., 1997: Prevalence of HIV1 in leprosy patients in Rio de Janeiro, Brazil. A cross-sectional study conducted in Rio de Janeiro, Brazil, in 1990-92 failed to document any association between HIV-1 infection and leprosy. Tested for antibodies to HIV were 1016 leprosy patients and 78,482 volunteer blood donors. The HIV prev...

Matsui, T.; Hirota, T.; Kanazawa, T., 2002: New locality records for two rare mosses in Shikoku, Japan. Ditrichum zonatum (Brid.) Kindb. and Oreoweisia laxifolia (Hook.) Kindb. are newly reported from the Shikoku district of Japan. Brief descriptions and illustrations of both species are given.