Browsing Centro de Ciências Agrárias - CCA by Title
Now showing items 696-715 of 783
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Resistência de Conyza bonariensis e Conyza canadensis (Asteraceae) a herbicidas
(Universidade Federal de São Carlos, UFSCar, , Câmpus Araras, 19/10/2020)The species Conyza bonariensis and Conyza canadensis, popularly known like clove, are plants belonging to the Asteraceae family that have great importance in modern agriculture due to the levels of economic damage caused ... -
Resíduos agroindustriais como fonte de silício para a cultura do milho
(Universidade Federal de São Carlos, UFSCar, Programa de Pós-Graduação em Agroecologia e Desenvolvimento Rural - PPGADR-Ar, , 21/09/2012)The agro-industrial residues have great potential for providing silicon (Si) and other nutrients for crops. The objective of this work to assess the supply of silicon for organic waste agribusiness, and to evaluate the ... -
Respostas fisiológicas das plantas de citros ao glyphosate
(Universidade Federal de São Carlos, UFSCar, , Câmpus Araras, 24/08/2023)Currently, weed control for citrus is more costly, as it is a perennial crop where weeds coexist at the same time and space, thus reducing control options. Also, there are reports of the excessive and inappropriate use of ... -
Restauração florestal em áreas de pastagem na terra indígena Laranjinha/PR
(Universidade Federal de São Carlos, UFSCar, Programa de Pós-Graduação em Agroecologia e Desenvolvimento Rural - PPGADR-Ar, , 30/11/2012)The Laranjinha Indigenous Land, located in northern Paraná, went through an intense devastation of its natural resources in the 1950s for logging and expansion of agricultural areas and pasture. However, in view of ... -
Restauração florestal no Brasil: avaliação produtiva e mercado pós acordo de Paris
(Universidade Federal de São Carlos, UFSCar, , Câmpus Araras, 22/01/2024)The present study seeks to assess the productive capacity of seedlings and seeds in Brazil, identifying the main actors in the reforestation market and the associated challenges, in the context of the goals established by ... -
Restauração florestal: semeadura direta e efeitos do uso de inoculantes no desenvolvimento de espécies arbóreas
(Universidade Federal de São Carlos, UFSCar, , Câmpus Araras, 28/06/2021)There is a large need for tropical forest restoration, however there are practical restrictions that limit its implantation in large-scale. To improve direct seedling efficiency as an alternative, we have tested whether ... -
Revisão bibliográfica da seletividade de Diamidas utilizados em cana-de-açúcar sobre Cotesia flavipes e Trichogramma galloi
(Universidade Federal de São Carlos, UFSCar, , Câmpus Araras, 29/06/2021)The sugarcane borer (Diatraea saccharalis) is an important pest in one of the most important crops for the Brazilian scenario: sugar cane. Nevertheless, the unbridled use of phytosanitary products has generated necessary ... -
Revisão bibliométrica sobre o uso da análise de variância e de sobrevivência em estudos de germinação de sementes
(Universidade Federal de São Carlos, UFSCar, , Câmpus Araras, 22/11/2021)Scientific studies with seeds are developed for a wide range of purposes, and statistical analysis of data is an essential component for reliability and experimental proof. Among the statistical methods adopted, the analysis ... -
Saberes populares e alfabetização científica e tecnológica: possibilidades e desafios para a formação continuada de professores de ciências da natureza
(Universidade Federal de São Carlos, UFSCar, Programa de Pós-Graduação em Educação em Ciências e Matemática - PPGEdCM-Ar, Câmpus Araras, 03/03/2020)The brazilian society is composed of a cultural hodgepodge due to the strong presence of indigenous peoples, immigrants and slaves of different ethnicities, impacting habits, beliefs and even forms of expression. This ... -
Segurança de bioinseticida a base de Beauveria bassiana para a abelha sem ferrão Scaptotrigona postica (Hymenoptera: Apidae, Meliponini)
(Universidade Federal de São Carlos, UFSCar, Programa de Pós-Graduação em Agricultura e Ambiente - PPGAA-Ar, Câmpus Araras, 28/08/2023)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 ... -
Seleção de genótipos de limão com tolerância ao HLB para produção de óleo essencial
(Universidade Federal de São Carlos, UFSCar, , Câmpus Araras, 22/12/2020)Brazilian citriculture is one of the pillars of the national trade balance, being one of the largest in the world, however huanglongbing (HLB) has been causing significant losses in the sector. There are no reports in the ... -
Seletividade de herbicidas aplicados em pré-emergência e pós-emergência sobre Crotalaria ochroleuca, Cajanus cajan e Raphanus sativus
(Universidade Federal de São Carlos, UFSCar, Programa de Pós-Graduação em Agricultura e Ambiente - PPGAA-Ar, Câmpus Araras, 12/05/2017)Green manure has been widely diffused because of the benefits it brings to the chemical, physical and biological characteristics of the soil. However, the adoption of this practice by farmers depends on the definition ... -
Sementes crioulas de milho da agricultura familiar do sudoeste paulista: qualidade e feira de troca
(Universidade Federal de São Carlos, UFSCar, Programa de Pós-Graduação em Agroecologia e Desenvolvimento Rural - PPGADR-Ar, Câmpus Araras, 26/02/2021)Creole seeds have a substantial in biodiversity, family farming and in traditional communities. Specifically in the Southwest of São Paulo state, its use has a direct relation with the subsistence of family farmers as well ... -
Sementes orgânicas : regulamentação, políticas públicas, produção comercial e uso de sementes locais em estabelecimentos certificados
(Universidade Federal de São Carlos, UFSCar, Programa de Pós-Graduação em Agroecologia e Desenvolvimento Rural - PPGADR-Ar, Câmpus Araras, 31/08/2015)The seed is the first link in the food production chain. In this context, the use of appropriate seeds and seedlings in organic production can be understood as, more than a legal or philosophical question, a technical ... -
Sensibilidade de abelhas brasileiras a agrotóxicos: avaliação de risco ambiental baseada no modelo Apis mellifera Linnaeus, 1758 (Hymenoptera, Apidae)
(Universidade Federal de São Carlos, UFSCar, Programa de Pós-Graduação em Agricultura e Ambiente - PPGAA-Ar, Câmpus Araras, 28/10/2022)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 ... -
Sensibilidade de plantas cultivadas ao dicamba e 2,4-D aplicados em doses comerciais e subdoses
(Universidade Federal de São Carlos, UFSCar, , Câmpus Araras, 15/09/2022)The development of crops resistant to dicamba and 2,4-D may reflect the intensive use of these herbicides in agricultural areas, including close to susceptible species. Therefore, the objective of this work was to evaluate ... -
Sensibilidade de três variedades de cana-de-açúcar (Saccharum spp.) ao alumínio em solução avaliada por corantes indicadores
(Universidade Federal de São Carlos, UFSCar, , Câmpus Araras, 29/06/2011)Brazil is the world's largest producer of sugarcane (Saccharum spp.). Its production is expanding in regions characterized by soils with low fertility and high acidity. The influence of Al toxicity on the development of ... -
Sensibilidade de variedades de feijão (Phaseolus vugaris L.) ao alumínio em solução
(Universidade Federal de São Carlos, UFSCar, , Câmpus Araras, 01/07/2013)One of the main causes of losses in agricultural productivity is due to the high concentrations of aluminum (Al) in the soil solution, characteristic of acidic weathered soils in the humid tropical zone. Al affects the ... -
Sensibilidade de variedades de milho (Zea mays) ao alumínio em solução
(Universidade Federal de São Carlos, UFSCar, , Câmpus Araras, 04/07/2011)The influence of Al toxicity on the development of the root system and on the interference of nutrient absorption, typical of acidic soils, has been presented as one of the main causes of the low productivity of many crops ... -
Sequência didática em perspectiva dialógica para ensino de ecologia
(Universidade Federal de São Carlos, UFSCar, , Câmpus Araras, 01/09/2022)In biology teaching, and specifically in ecology teaching, the contents are fragmented. In addition, it uses teaching and learning approaches, developed in and for industrial societies, as is the case of significant learning, ...