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Publication
Avaliação do risco sanitário, em povoamentos de pinheiro e sobreiro, na Herdade de Vale Feitoso
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Abstract(s)
Uma praga é uma espécie de planta, animal ou agente patogénico, nocivo a plantas ou produtos vegetais, de acordo com a definição da FAO – Organização das Nações Unidas para a Alimentação e a Agricultura. As pragas afetam a saúde e produtividade da floresta, provocando danos nos seus produtos e serviços e com consequências no equilíbrio deste importante ecossistema terrestre.As boas práticas fitossanitárias fazem parte e são de extrema importância na gestão florestal.Este trabalho teve como objetivo a avaliação do risco fitossanitário dos povoamentos puros de pinheiro bravo e de sobreiro da Herdade de Vale Feitoso, tendo em conta que as pragas florestais afetam a valorização dos produtos e serviços florestais e afetam a biodiversidade, porque debilitam as plantas e porque a morte de algumas espécies afeta o equilíbrio do ecossistema.Os métodos de trabalho definidos para este trabalho foram: Avaliação, in loco, do estado das árvores que constituíam os povoamentos definidos e a colocação de armadilhas com feromonas para atrair indivíduos presentes nos povoamentos.Os materiais necessários para desenvolver o trabalho foram a máquina fotográfica, para registo da informação visualizada em campo, e as armadilhas e feromonas específicas para cada espécie de praga. Os resultados obtidos revelaram a existência de várias pragas, quer nos povoamentos de pinheiro bravo quer nos de sobreiro. Revelaram também quantidades diferentes de insetos capturados nas duas fases distintas de duração das feromonas, o que permitiu apontar algumas considerações.A importância da fitossanidade florestal é elevada, pois os povoamentos florestais têm um papel ecológico e económico muito importante, quer para a sociedade quer para as entidades que os gerem.Este trabalho constitui uma ferramenta de valor e uma ajuda considerável para a prática de uma boa gestão fitossanitária da Herdade de Vale Feitoso
A pest is a species of plant, animal or pathogenic agent, harmful to plants or plant products, according to the definition of the FAO – Food and Agriculture Organization of the United Nations.Pests affect the health and productivity of the forest, causing damage to its products and services and with consequences for the balance of this important terrestrial ecosystem.Good phytosanitary practices are part of and extremely important in forest management.This work aimed to assess the phytosanitary risk of pure stands of maritime pine and cork oak at Herdade de Vale Feitoso, taking into account that forest pests affect the value of forest products and services and affect biodiversity, because they weaken the plants and because the death of some species affects the balance of the ecosystem.The working methods defined for this work were: On-site assessment of the condition of the trees that made up the defined stands and the placement of traps with pheromones to attract individuals present in the stands.The materials needed to carry out the work were a camera, to record the information viewed in the field, and specific traps and pheromones for each species of pest.The results obtained revealed the existence of several pests, both in maritime pine and cork oak stands. They also revealed different quantities of insects captured in the two different phases of pheromone duration, which allowed some considerations to be highlighted.The importance of forest plant health is high, as forest stands have a very important ecological and economic role, both for society and for the entities that manage them.This work constitutes a valuable tool and a considerable help for the practice of good phytosanitary management at Herdade de Vale Feitoso.
A pest is a species of plant, animal or pathogenic agent, harmful to plants or plant products, according to the definition of the FAO – Food and Agriculture Organization of the United Nations.Pests affect the health and productivity of the forest, causing damage to its products and services and with consequences for the balance of this important terrestrial ecosystem.Good phytosanitary practices are part of and extremely important in forest management.This work aimed to assess the phytosanitary risk of pure stands of maritime pine and cork oak at Herdade de Vale Feitoso, taking into account that forest pests affect the value of forest products and services and affect biodiversity, because they weaken the plants and because the death of some species affects the balance of the ecosystem.The working methods defined for this work were: On-site assessment of the condition of the trees that made up the defined stands and the placement of traps with pheromones to attract individuals present in the stands.The materials needed to carry out the work were a camera, to record the information viewed in the field, and specific traps and pheromones for each species of pest.The results obtained revealed the existence of several pests, both in maritime pine and cork oak stands. They also revealed different quantities of insects captured in the two different phases of pheromone duration, which allowed some considerations to be highlighted.The importance of forest plant health is high, as forest stands have a very important ecological and economic role, both for society and for the entities that manage them.This work constitutes a valuable tool and a considerable help for the practice of good phytosanitary management at Herdade de Vale Feitoso.
Description
Keywords
Fitossanidade florestal Floresta Gestão Pragas