Worldwide pesticides are used by farmers for growing more food on less land by protecting crops from pests, diseases and weeds as well as raising productivity per hectare. Also, pesticides enable farmers to produce safe, quality foods at affordable prices. Therefore, the market for agricultural pesticides is anticipated to rise by $ 26.23 billion between 2021 and 2025. Pesticide residues can be discovered in a wide range of common foods and drinks, such as prepared meals, water, wine, fruit juices, snacks, and animal feeds. Furthermore, it should be noticed that chemical pesticides have been linked to a variety of detrimental health consequences, including impacts on the skin, gastrointestinal system, nervous system, respiratory system, reproductive system, and endocrine system. The current review was carried out using an objective mixture of primary and secondary information, including inputs from key participants in pesticides industry. Also, it aims at highlighting the urgent need for a new concept in agriculture involving a drastic reduction in the use of chemical pesticides, driving the market to bio-based pesticides.
Amorpha fruticosa L. (false indigo bush) is an invasive shrub species from Fabaceae family originating from North America. Nowadays this species creates great problems because it is invading floodplains along the rivers from Europe, even the Danube River floodplain reaching to the Danube Delta. The floodplain area of the river Mure? is highly affected by this invasion, this species occupying great surfaces of grassland and arable land. The researches were developed on the lowland area alongside the river Mure? (Arad County, western Romania) in the perimeter of the locality Pecica, respectively belonging to Mures Floodplain Natural Park. The purpose of the work was to characterize different relationships between the features of the grassland vegetation with soil features in three different situations, respectively permanent grassland, grassland totally invaded with A. fruticosa, and transitional grassland partially invaded with A. fruticosa. The soil samples were collected from 0 - 25 cm depth. The researches were investigated the influence of the false indigo bush invaded grassland on the soil features as pH, nitrogen index, total nitrogen, humus content, phosphorus, potassium and carbonates. The considered grassland vegetation features related with the soil features were: floristic composition (main functional groups of plants, some biodiversity indexes and pastoral value. The obtained results showed the existence of complex relationships among the analysed vegetation and soil features.
Pathogens and pests are predicted to spread to areas where they were previously irrelevant due to climate change and human-induced changes, posing new management issues for crops, especially in cropping systems based on minimal cereal crop diversification. In temperate areas of Central and Eastern Europe, rye (Secale cereale) is a minor cereal that contributes to crops diversification particularly in marginal situations where soil and climate are unfavorable for wheat production. During 2021-2022 growing season, a plant–pest-pathogen interaction profile was observed on four rye genotypes (Binnto, Inspector, Serafino, Suceveana) and also was observed the effect of different chemical and biological pesticide formulations on rye leaf rust in a randomized complete block design with three replications in dry area from Research and Development Station for Plant Culture on Sands Dăbuleni in South of Romania. Among all evaluated rye genotypes the greatest resistance was noticed in Serafino that recorded the lowest AUDPC value (51,76), while the most susceptible was Suceveana genotype with AUDPC = 279,55. The best protection against leaf rust was provided by Poliversum (the 1st assessment – attack degree = 3,23%; the 2nd assessment – attack degree = 7,56%). Negative and significant correlation of leaf rust attack degrees with grain yield (r =-0,9393***) were found during 2021-2022 cropping season.
Fusarium graminearum is a dangerous pathogen of the cereals producing mycotoxins (trichothecene and zearalenone) harmful for human and animal health. There were evaluated sixteen winter wheat varieties for their response in conditions of natural infection with F. graminearum in the epidemic year 2019, being well known that accumulation of mycotoxins (DON, ZON and T-2) is induced by different biotic and abiotic factors. Field plot was organized in Latin rectangle randomized with three replicates. For all evaluated wheat varieties were collected field data (incidence, severity and infection degree of the fungus F. graminearum) and laboratory data (mycotoxins concentration in grains) that have been processed using the software JASP (Version 0.14) for descriptive statistics, and exploratory factor analysis (EFA). Microsoft Excel 2019 was used to calculate Pearson’s correlation coefficients. The results showed negative corelation between plants’ density and F. graminearum attack frequency. Positive correlations were found between DON and T-2 and between DON and fungus attack intensity. This work highlights that during a F. graminearum epidemic year some of the most influential factors in the contamination with harmful mycotoxins (DON, ZON and T-2) are: plants density, frequency of the attack on ear, diseased ears and attack intensity on ears.
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