13 research outputs found
Constatação da moléstia do «anel vermelho» do coqueiro no Estado do Rio de Janeiro. Redescrição do agente causador - Aphelenchoides cocophilus (Cobb, 1919) Goodey, 1933 (Nematoda, aphelenchidae)
As it is generally said, the red ring disease of coconut palm (Cocos nucifera L.) is caused by a nematode which is regularly found in the diseased tissues. Such a nematode was described by COBB in 1919 as Aphelenchus cocophilus, having been placed by GOODEY, in 1933, in the genus Aphelenchoides. The species has been found occurring in three States of this country (Alagoas, Sergipe and Bahia). However, the Authors received from the Instituto de Ecologia e Experimentação AgrĂcolas, in Rio de Janeiro, a few samples of coconut tissues badly infested. So, its area of distribution is considerably enlarged. A. cocophilus is so slender and delicate a form that descriptions based on preserved material are frequentely inadequate. Thus, the Authors took this opportunity to re-examine and redescribe the species, as it was suggested by GOODEY (1923), what had not previously been made by those brazilian workers who have dealt with the disease. The population studied generally agreed with those examined by COBB (1919) and GOODEY (1923) in the details given, except in the dimensions mainly of the tail, as it is shown in table 1, where the measurements of 5 females and 5 males are presented
Documenter les violences
Le 10 dĂ©cembre 2014 Ă BrasĂlia, la Commission nationale de la vĂ©ritĂ© (CNV) remettait son rapport Ă la prĂ©sidente Dilma Rousseff. Pendant deux ans, la CNV s’est consacrĂ©e Ă ouvrir et organiser les archives de la rĂ©pression intervenue pendant la pĂ©riode autoritaire, Ă Ă©tablir les faits relatifs aux violations graves des droits humains et Ă en identifier les responsables. Ses travaux ont suscitĂ© de larges controverses au BrĂ©sil, oĂą la mĂ©moire de la dictature rĂ©vèle de profonds clivages. Ă€ la lumière de cas situĂ©s en Colombie, en Argentine, au Chili, Ă Cuba, en CĂ´te d’Ivoire et en Europe de l’Est, et en faisant le pari d’une approche pluridisciplinaire, cet ouvrage met le cas du BrĂ©sil en perspective pour interroger la production de la connaissance et de la mĂ©moire sur les rĂ©gimes d’exception du passĂ©. Quel rĂ´le pour les universitaires ? Dans quelles conditions conserver et rendre accessibles les archives des rĂ©gimes d’exception ? Quel statut donner aux connaissances produites par les commissions de vĂ©ritĂ© et par les processus judiciaires relatifs aux violations des droits humains ? Historiens, politistes et juristes, les auteurs dressent les contours des enjeux dĂ©mocratiques reprĂ©sentĂ©s par les usages conflictuels des rĂ©fĂ©rences aux passĂ©s autoritaires, les politiques de mĂ©moire et la conservation des archives