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Improvement of Rice Plant Root by Kaolin Application in Iron Toxicity Condition at Zoukougbeu (Central-West of Côte d’Ivoire)

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Open Journal of Soil Science 2024年第5期14卷 308-318页

作者： Sehi Zokagon Sylvain Konan Kouassi Urbain Adechina Olayossimi Ouattara Amidou kouam. firmin Bongoua Jeanne Devisme Cherif Mamadou Brahima Koné Dé partement des Sciences et Techniques Universit&#233 Alassane Ouattara Bouak&#233 C&#244te d&#8217Ivoire Centre d’ Excellence Africain sur le Changement Climatique la Bidiversit&#233 et l&#8217Agriculture DurableUniversit&#233 F&#233lix Houphouet Boigny Abidjan C&#244te d&#8217Ivoire Dé partement Agriculture et Technologie Nouvelle Universit&#233 de San-Pedro San-Pedro C&#244te d'Ivoire Unité de Formation et de Recherche en Agroforesterie D&#233partement des Sciences de la Terre Universit&#233 Jean Lorougnon Gu&#233d&#233 de Daloa Daloa C&#244te d&#8217Ivoire Dé partement de Physiologie V&#233g&#233tale Universit&#233 Felix Houphouet Boigny Abidjan C&#244te d&#8217Ivoire Dé patartement des Sciences du sol Universit&#233 Felix Houphouet Boigny Abidjan C&#244te d&#8217Ivoire

In the tropics, lowland rice cultivation is often confronted with the problem of iron toxicity. The solution proposed by research in general is the use of industrial silicon. However, the high cost of industrial silicon limits its adoption by farmers. A study was carried out in Zakogbeu;Center-West of Côte d’Ivoire, to assess the potential of kaolin to mitigate the effect of this soil constraint on the root of the rice plant. Five kaolin-based treatments were analyzed (T0 = 0 kg kaolin ha−1, T1 = 366 kg kaolin ha−1, T2 = 736 kg kaolin ha−1, T3 = 1097 kg kaolin ha−1 and T4 = 1465 kg kaolin ha−1 are 0, 200, 400, 600 and 800 kg SiO2 ha−1) in a device in complete random blocks, with 5 repetitions. The results obtained show that kaolin supply increases the length of the root tissue as well as the number of branching of the root of the rice plant. Root tissue increased from 10 cm with T0 treatment to more than 15 cm with treatment T4. The microscopic observation of the roots shows that in the treatment T0, the roots present only primary ramifications and the tertiary and quaternary ramifications are observed with the treatments T3 and T4. The contribution of kaolin is an alternative to inhibit the effect of iron toxicity on the rice plant root development in iron toxicity condition.

关键词： Iron Toxicity Kaolin Root Rice Cote d’Ivoire

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Evolution of a Disseminated Peritoneal Leiomyomatosis: About a Case

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Open Journal of Obstetrics and Gynecology 2017年第7期7卷 742-747页

作者： kouam. Arthur Didier Adjoby Cassou Roland Koffi Achille Konan K. Joachin Alla Christian Hervé kouam. N’Da Justin I. S. Baldé Kouakou firmin Obstetrics and Gynecology Department University Hospital of Cocody Abidjan C&ocirc te D’Ivoire Laboratory of Pathology University Hospital of Cocody Abidjan C&ocirc te d’Ivoire Obstetrics and Gynecology Department of Ignace Deen Hospital of Conakry Conakry Guinea

Disseminated peritoneal leiomyomatosis (DPL) is a benign tumor of smooth muscle tissue. It is rare and is characterized by the development of multiple peritoneal nodules simulating peritoneal carcinosis. Less than 200 cases have been reported in the literature so far. We are reporting a case of DPL detected during a Caesarean section 6 years ago in a 41-year-old female patient, G5P2. The patient underwent an elective iterative caesarean section at 38 weeks of amenorrhea for a fetus in breech presentation. During laparotomy, there was a marked regression of the peritoneal nodules varying in size from 0.1 to 0.5 cm. Histological examination showed a proliferation of smooth muscle fibers without mitosis, atypia or necrosis. DPL is a benign, confusing condition that simulates peritoneal carcinomatosis, which must be recognized as such in order to avoid a dilapidated and unnecessary surgical procedure.

关键词： Disseminated Peritoneal Leiomyomatosis Uterine Leiomyoma Caesarean Section

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Rupture of a Rudimentary Uterine Horn: A Case Report

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Open Journal of Obstetrics and Gynecology 2017年第7期7卷 748-752页

作者： kouam. Arthur Didier Adjoby Cassou Roland Konan Joachim Effoh N’Drin Dénis Kakou Charles Diomandé Fatoumata Alice Koffi Soh Victor Kouakou firmin Obstetrics and Gynaecology Department of the University Hospital of Cocody-Abidjan Abidjan C&ocirc te D’Ivoire

Pregnancy in an abnormal uterus is a high-risk situation in obstetrics. Uterus bicornis unicollis with a rudimentary horn is often discovered incidentally. The aim of this report is to warn obstetricians about recurrent abdominal pain in the second trimester of pregnancy without any cause identified. Pregnancy can proceed in the rudimentary horn. We presented a case of a rupture of the rudimentary horn which occurred at 25 weeks of amenorrhea in an unmarried 19-year-old primigravida. The rudimentary horn was removed after performing an emergency laparotomy for an intraperitoneal hemorrhage with signs of shock. This abnormality is often revealed by uterine rupture, which usually occurs in the second trimester of pregnancy. Conclusion: We emphasize the importance of early diagnosis of this uterine abnormality, before pregnancy if possible. Undiagnosed, this condition evolves towards uterine rupture during pregnancy and requires emergency surgery with excision of the rudimentary horn.

关键词： Uterine Rupture Abdominal Pregnancy Uterus Bicornis Rudimentary Uterine Horn

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