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Now showing items 21-30 of 30
Sensibilidade de abelhas brasileiras a agrotóxicos: avaliação de risco ambiental baseada no modelo Apis mellifera Linnaeus, 1758 (Hymenoptera, Apidae)
(Universidade Federal de São Carlos, 2022-10-28)
Ecotoxicological tests realized to assess the environmental risks of pesticides to bees used by countries around the world are based on the protocols developed by the Organization for Economic and Cooperation, where is ...
Efeito da fertirrigação com vinhaça no desenvolvimento inicial da cana-de-açúcar, na condutividade e teor de potássio no solo
(Universidade Federal de São Carlos, 2022-12-02)
Using vinasse as a source of potassium for sugarcane is important to save the use of fertilizers and an appropriate destination for that residue of sugarcane production. Despite this, its use in periods of low potassium ...
Efeitos da combinação de agrotóxicos glifosato e imidacloprido no desenvolvimento, sistema imunológico e digestório de abelhas Scaptotrigona postica (Latreille, 1807)
(Universidade Federal de São Carlos, 2022-12-15)
Studies have shown that the decrease in the bee population is associated with multiple factors, with exposure to pesticides being the main factor in Brazil. Thus, the objective of this work was to evaluate the possible ...
Desenvolvimento de Scaptotrigona postica Latreille, 1807 exposta a concentrações subletais de agrotóxicos com foco nos órgãos sensoriais
(Universidade Federal de São Carlos, 2023-09-09)
Bees are primary pollinators of native plants and economically important crops. With the indiscriminate use of pesticides in Brazil, studies related to the effects of these products on these species are necessary. Nowadays, ...
Avaliação da resistência de variedades de milho a Dalbulus maidis (Delong & Wolcott) (Hemiptera: Cicadellidae)
(Universidade Federal de São Carlos, 2023-12-13)
The corn leafhopper, Dalbulus maidis (Delong & Wolcott) (Hemiptera: Cicadellidae) is an
important pest in corn crops, capable to cause direct damage through its feeding, and
dissemination of three important phytopathogens ...
Variabilidade espacial de atributos do solo e vegetação em sistemas de Integração Lavoura-Pecuária-Floresta
(Universidade Federal de São Carlos, 2023-08-16)
According to the concept of sustainability, agrosystems in the 21st century must
be able to maximize the quantity of high-quality agricultural products and, at the same time,
at the same time, conserve the system's natural ...
Análises sinérgicas microbianas de linhagens selecionadas para a biodegradação do herbicida Amicarbazone e testes com cana-de-açúcar
(Universidade Federal de São Carlos, 2023-11-14)
Agriculture plays a significant role in our country's economy, but it generates substantial environmental impacts due to the excessive use of pesticides. The pursuit of increased agricultural production often overlooks ...
Segurança de bioinseticida a base de Beauveria bassiana para a abelha sem ferrão Scaptotrigona postica (Hymenoptera: Apidae, Meliponini)
(Universidade Federal de São Carlos, 2023-08-28)
Brazil is currently home to 259 species of stingless bees, including Scaptotrigona
postica, known locally as black mandaguari. This species plays a crucial role in the
pollination of crops. However, it faces threats due ...
Efeito residual de herbicidas em soja, amendoim e crotalária e sua toxicidade em organismos não-alvo
(Universidade Federal de São Carlos, 2023-12-11)
The use of herbicides, especially those with long persistence, can impact the productivity of agricultural crops and terrestrial and aquatic ecosystems. The objective of this study was to evaluate the residual effect of ...
Impacto do serviço de polinização para segurança alimentar do PNAE na microrregião de Limeira
(Universidade Federal de São Carlos, 2023-12-19)
Nature's Contributions to People (NCP) cover a wide range of human-nature interactions that provide basic life support, material and non-material goods for humanity, and can be evaluated by quantifying the benefits provided ...