Academic Journal
Micorriza arbuscular em cupuaçu e pupunha cultivados em sistema agroflorestal e em monocultivo na Amazônia Central Arbuscular mycorrhiza in cupuaçu and peach palm cultivated in agroforestry and monoculture systems in the Central Amazon region
| العنوان: | Micorriza arbuscular em cupuaçu e pupunha cultivados em sistema agroflorestal e em monocultivo na Amazônia Central Arbuscular mycorrhiza in cupuaçu and peach palm cultivated in agroforestry and monoculture systems in the Central Amazon region |
|---|---|
| المؤلفون: | José Pereira da Silva Junior, Elke Jurandy Bran Nogueira Cardoso |
| المصدر: | Pesquisa Agropecuária Brasileira, Vol 41, Iss 5, Pp 819-825 (2006) |
| بيانات النشر: | Embrapa Informação Tecnológica, 2006. |
| سنة النشر: | 2006 |
| المجموعة: | LCC:Agriculture (General) |
| مصطلحات موضوعية: | Bactris gasipaes, Theobroma grandiflorum, fungos micorrízicos arbusculares, simbiose, sistema de manejo de culturas, arbuscular mycorrhizal fungi, symbiosis, crop management system, Agriculture (General), S1-972 |
| الوصف: | O objetivo deste trabalho foi avaliar a colonização micorrízica arbuscular em pupunha (Bactris gasipaes Kunth) e cupuaçu (Theobroma grandiflorum (Willd ex Spring) K. Schum) cultivados em sistema agroflorestal e em monocultivo na Amazônia Central, em duas épocas do ano, e também identificar características anatômicas da formação dessa simbiose nessas espécies. Foram realizadas coletas de solo e raízes em duas estações, seca e chuvosa. A colonização micorrízica arbuscular no cupuaçu e na pupunha é alterada pelo sistema de manejo adotado, com taxas maiores de colonização no monocultivo. A densidade total dos esporos de fungos micorrízicos arbusculares sob o cupuaçu não é alterada pelo sistema de manejo ou pela época do ano, ao contrário do que ocorre sob a pupunha. Nessa cultura, a densidade de esporos foi maior sob sistema agroflorestal no período seco. A colonização micorrízica na pupunha apresenta dois padrões anatômicos, Paris e Arum, enquanto no cupuaçu ocorre o padrão Arum.The objective of this work was to evaluate the arbuscular mycorrhizal colonization in peach palm (Bactris gasipaes Kunth) and cupuaçu (Theobroma grandiflorum (Willd ex Spring) K. Schum), in agroforestry systems and monoculture in the Central Amazon region, and to identify anatomic characteristics of mycorrhizal colonization in these species. Soil and root samples were collected in the field, in the dry and rainy season. Mycorrhizal root colonization of cupuaçu and peach palm is affected by the management systems, with higher colonization rates in the monoculture system. Total spore density of the arbuscular mycorrhizal fungi under cupuaçu is not affected by management systems or season, but under peach palm this variation is season dependent. Mycorrhizal colonization of Arum and Paris types occur in peach palm, and only Arum type occurs in cupuaçu. |
| نوع الوثيقة: | article |
| وصف الملف: | electronic resource |
| اللغة: | English Spanish; Castilian Portuguese |
| تدمد: | 0100-204X 1678-3921 |
| Relation: | http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0100-204X2006000500014; https://doaj.org/toc/0100-204X; https://doaj.org/toc/1678-3921 |
| DOI: | 10.1590/S0100-204X2006000500014 |
| URL الوصول: | https://doaj.org/article/538dea2ed99c454ab700d324907ca9c8 |
| رقم الانضمام: | edsdoj.538dea2ed99c454ab700d324907ca9c8 |
| قاعدة البيانات: | Directory of Open Access Journals |
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