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Seed dormancy overcoming and seed coat structure change in Leucaena leucocephala and Acacia nilotica
Mulik Abbaker Ibrahim Yousif,Yan Rong Wang,Chen Dali 한국산림과학회 2020 Forest Science And Technology Vol.16 No.1
Leucaena leucocephala and Acacia nilotica are two arboreal legumes with several uses in agriculture, nutritious forage and livelihoods, fence posts, wood production, biofuel production, charcoal, firewood, shading, hedges, windbreaks, and improvement of soil fertility. The seed dormancy is common in Leucaena and Acacia species, and it creates difficulties in seed testing and planting. The aim of this study is to determine the effective methods of sulfuric acid and hot water due to overcoming dormancy in seeds of those species. Most pretreatments significantly (p<0.05) reduced hard seed content and enhanced germination percentage when compared to nontreated seeds. Effectiveness of water and acid pretreatments increased when increasing in duration time from 3 to 60 min. The best recommended time pretreatment of sulfuric acid 60 min for A. nilotica, and 3 min of hot water for Leucaena. These treatments all reduced hard seeds to 0% and did not cause damage to the seeds during the germination. Further, the lens and hilum both were identified as primary sites for water uptake into the seeds of Leucaena. Whereas, the lens was recognized as the original site of water intake in A. nilotica. In addition, the seed coat anatomy identified that the palisade epidermal layer was dense, and thickness tissue had been prevented imbibition of water in Leucaena and A. nilotica.
A Report of Rabbit Syndrome Who Benefited from Sigma 1 Agonist Fluvoxamine
Yakup Albayrak,Murat Beyazyüz,Özlem Abbak,Ece Altındağ 대한정신약물학회 2019 CLINICAL PSYCHOPHARMACOLOGY AND NEUROSCIENCE Vol.17 No.1
Rabbit Syndrome is an uncommon side effect of antipsychotic treatment. Although it is usually associated with typical antipsychotics, it can also be related to atypical antipsychotics. Anticholinergics are the most accepted treatment approach in treating Rabbit Syndrome. Fluvoxamine is a member of selective serotonin reuptake inhibitors and it is a potent agonist of sigma 1 receptors. In this article, we report a Rabbit Syndrome case who has benefited from fluvoxamine, in terms of both depressive disorder and Rabbit Syndrome; and present the data on the effects of sigma 1 agonist fluvoxamine on numerous movement disorders.