A5012499879- Insect-Plant Interactions and Control
- Insect and Pesticide Research
- Insect Resistance and Genetics
- Agricultural pest management studies
- Entomopathogenic Microorganisms in Pest Control
- Plant Virus Research Studies
- Agriculture and Rural Development Research
- Insect Pest Control Strategies
- Plant and animal studies
- Nematode management and characterization studies
- Legume Nitrogen Fixing Symbiosis
- Agricultural Science and Fertilization
- Hemiptera Insect Studies
- Genetics and Plant Breeding
- Firm Innovation and Growth
- Weed Control and Herbicide Applications
- Rural Development and Agriculture
- Insurance and Financial Risk Management
- Efficiency Analysis Using DEA
- Insects and Parasite Interactions
Universidade Federal de Santa Maria
2019-2023
Petrobras (Brazil)
2015
Stink bugs are a major concern for pest management in soybean crops. With agricultural frontiers expanding Brazil and cultivation techniques being heavily intensified, stink bug populations have become increasingly dispersed hard to control, causing severe economic losses growers across the country. Chemical insecticides known as neonicotinoids, organophosphates pyrethroids currently represent main control strategy this pest, often mixed together order enhance efficacy prevent resistance...
The whitefly Bemisia tabaci (Gennadius, 1889) is a major pest species in soybean, leading to severe economic losses on this crop due the difficulties involved its management. Previously restricted Middle-west and Southeast regions of Brazil, infestations have steadily increased Southern state Rio Grande do Sul, third biggest soybean growing region country. Control failures scarcity updated information led Brazilian growers raise excessively number sprays per season, increasing control costs...
Abstract: The objective of this work was to quantify the reduction soybean grain yield caused by Tetranychus urticae damage, and propose an economic injury level (EIL) for pest in crop. experimental design set up randomized complete blocks, with four replicates a 4x2 factorial arrangement levels mite infestation, or without control. Chlorotic symptoms were evaluated using damage scale 1 4. Soybean yield, number pods, grains, 1,000-grain weight quantified each segment plant canopy (lower,...
The whitefly Bemisia tabaci (Gennadius, 1889) is a major pest species in many agricultural crops worldwide. Growers from the Vale do Caí region, Southern Brazil (Rio Grande Sul state) have been facing severe economic losses due to increasing damages caused by this sucking insect their horticultural crops. Small-scale farming region relies heavily on horticulture, with families involved activity and consumer market spread throughout whole state. Virus transmission other inflicted...
The soybean stem fly (Melanagromyza sojae) is a widely distributed and highly damaging pest, recently introduced to Brazil neighboring countries.The bioecology of this pest under South American growing conditions largely unknown, including how infesting populations survive throughout the winter.Fly larvae collected in August 2019 from Persian clover Trifolium resupinatum Santa Maria, southern Brazil, were identified as M. sojae via molecular characterization.Persian commonly grown cattle...
ABSTRACT The fall armyworm Spodoptera frugiperda is among the main insect-pests on maize crops, due to its damaging potential and control issues related larval habit of concealing itself within plant whorl. This study aimed evaluate effect water in whorl, combined with insecticides spray sets, damage caused by S. grain yield. experiments were carried out under field conditions, at two cropping seasons, both Bt-maize hybrids, a 2 × 5 + 1 factorial scheme, testing presence or absence inside...
Soybean stem fly, Melanagromyza sojae Zehntner (Diptera: Agromyzidae), is an important soybean (Glycine max) pest in Eastern Asia that has recently colonized South America. The region by M. includes Brazil and several other major growing countries. Management strategies for this remain largely undeveloped due to lack of information regarding its potential injury soybeans. objective study was quantify yield reduction caused injury. One experiment carried out during two summer crop seasons...
Soybean is the main agricultural crop produced and exported by Brazil, whitefly, Bemisia tabaci (Gennadius, 1889) (Hemiptera: Aleyrodidae), one of pests this crop. Whitefly control carried out mainly with chemical insecticides, which has led to an increase in number applications evolution towards resistant populations. There a need study alternatives for insect-pest, biological using entomopathogenic fungi can be effective tool, offering less risk environment. This aimed design evaluate four...