Dirceu Mattos Jr is a researcher at the Agronomic Institute (IAC), has experience in Agronomy, with an emphasis on Soil Fertility and Plant Nutrition, experienced on stress physiology, plant nutrition, use and efficiency of nutrients in agriculture, soil fertility management, fertilizers, rootstocks and fruit quality. His work has guided recommendations for the nutritional management of citrus to increase productivity and quality of orchards. Graduated in Agricultural Engineering at Universidade Estadual Paulista Júlio de Mesquita Filho (1990), Master in Soil and Plant Nutrition at the University of São Paulo (1993) and PhD in Soil and Water Sciences at the University of Florida (USA) (2000). He was Coordinator of the Agrarian and Veterinary Area at the São Paulo Research Foundation (Fapesp) (2009-2018) and President of the International Society of Citriculture (2013-2016). He is currently a member of the International Plant Nutrition Council (IPNC) and the council of the Agricultural Research Support Foundation (Fundag) and Director of the Sylvio Moreira Citrus Research Center(IAC). (Source: Lattes Curriculum)
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The citrus industry contributes with the volume of fruits produced in Brazilian, obtained with high productivity of orchards, a result of the adoption of technologies such as planting density, fertilization and irrigation. However, the incidence of phytosanitary problems that affect citrus farming has caused the increase of fruit production costs, which leads to a decrease in the sector's…
The citrus industry contributes with the volume of fruits produced in Brazilian, obtained with high productivity of orchards, a result of the adoption of technologies such as planting density, fertilization and irrigation. However, the incidence of phytosanitary problems that affect citrus farming has caused the increase of fruit production costs, which leads to a decrease in the sector's…
The citrus industry contributes with the volume of fruits produced in Brazilian, obtained with high productivity of orchards, a result of the adoption of technologies such as planting density, fertilization and irrigation. However, the incidence of phytosanitary problems that affect citrus farming has caused the increase of fruit production costs, which leads to a decrease in the sector's…
In Citrus, water, nutrient transport and thereby fruit production, are influenced among other factors, by the interaction between rootstock and boron (B) nutrition. This study aimed to investigate how B affects the anatomical structure of roots and leaves as well as leaf gas exchange in sweet orange trees grafted on two contrasting rootstocks in response to B supply. Plants grafted on Swi…
Physiological traits of Citrus define carbon (C) allocation and consequently horticultural performance of trees, which fruit yield of orchards is largely influenced by the supply of nitrogen (N). This nutrient affects photosynthetic rate, carbohydrate synthesis, specific weight of the leaves, total biomass and C partitioning within different organs in the plant. Therefore, plant photochem…
(Only some records are available in English at this moment)
The citrus industry presents a notorious position in the global economy and whose production of oranges, acid limes and lemons, and tangerines exceeds that of other fruits in Brazil. This production chain requires new technologies and improved methodologies for the success of the activity. Nitrogen (N) and calcium (Ca) influence the synthesis of chlorophyll, tissue growth and plant health…
Extreme weather conditions, such as high irradiance and high air temperature, cause disturbances to plants and impact the production and quality of fruits. The citrus is an important chain of world agriculture, which requires a constant increase in production efficiency within high levels of sustainability. Under stress, flowering and fruiting of citrus trees are injured, among which, exc…
Citrus industry in the state of São Paulo and southern Triângulo Mineiro have suffered crop losses in recent years due to changes in climate, characterized by extreme increase of light radiation and air temperature during critical periods of plant development. It was already estimated that losses in the orchards exceed 30 million boxes (40.8 kg) of oranges in unfavourable years due to the…
Citrus industry contributes to the highest volume of Brazilian fruit production, obtained with high orchard productivity, as a result of the adoption of technologies such as planting densification, fertilization and irrigation. However, the increase in the incidence of phytosanitary problems, mainly huanglongbing (HLB), pressure production costs and reduce the sustainability of the sector…
(Only some records are available in English at this moment)
Copper (Cu) sprays have increased in citrus orchards in Brazil to control the spread of the citrus canker, a disease caused by bacteria infections. Discussions about this mostly focus on increased cost of fruit production resulting from increased use of Cu-containing fungicides and crop losses caused by low-quality fruit yield and fruit drop in affected orchards. However, less attention i…
| 2 / 2 | Ongoing research grants |
| 18 / 11 | Completed research grants |
| 1 / 1 | Ongoing scholarships in Brazil |
| 15 / 12 | Completed scholarships in Brazil |
| 2 / 2 | Completed scholarships abroad |
| 38 / 28 | All research grants and scholarships |
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