scholarly journals Disappearance of Azoxystrobin, Cyprodinil, and Fludioxonil Residues on Tomato Leaves in a Greenhouse

2009 ◽  
Vol 49 (2) ◽  
pp. 204-208 ◽  
Author(s):  
Ewa Szpyrka ◽  
Stanisław Sadło
Keyword(s):  
Aqueous Solution ◽  
Fruits And Vegetables ◽  
Plant Protection ◽  
Plant Protection Products ◽  
Active Ingredients ◽  
Tomato Plants ◽  
Fungicide Application ◽  
Infection Pressure ◽  
High Infection

Disappearance of Azoxystrobin, Cyprodinil, and Fludioxonil Residues on Tomato Leaves in a GreenhouseThe objective of this work was to estimate the disappearance parameters of azoxystrobin, cyprodinil and fludioxonil initial deposits, active ingredients of Amistar 250 SC, and Switch 62,5 WG, at present, commonly used for the protection of fruits and vegetables against diseases of fungal origin. The tests were carried out on tomato plants grown in commercial greenhouses sprayed with homogenous 0.1% aqueous solution of these plant protection products. It was found that on tomato leaves azoxystrobin, cyprodinil, and fludioxonil residues dropped by half on average within 13, 9, and 31 days after treatments, respectively. Therefore, in conditions of high infection pressure, there is a need to repeat the fungicide application but not earlier than 10 days after previous application of Amistar 250 SC and Switch 62,5 WG.

scholarly journals Transfer of the Active Ingredients of Some Plant Protection Products from Raspberry Plants to Beehives

2017 ◽  
Vol 75 (1) ◽  
pp. 45-58 ◽  
Author(s):  
Bartosz Piechowicz ◽  
Ewa Szpyrka ◽  
Lech Zaręba ◽  
Magdalena Podbielska ◽  
Przemysław Grodzicki
Keyword(s):  
Plant Protection ◽  
Plant Protection Products ◽  
Active Ingredients

scholarly journals Safety of imported agricultural products: pesticide residues

2020 ◽  
Vol 64 (3) ◽  
pp. 150-157
Author(s):  
Valeriy N. Rakitskii ◽  
Ngoc Hai Doan ◽  
Nataliya E. Fedorova ◽  
Irina V. Bereznyak ◽  
Van Tung Lo ◽  
...  
Keyword(s):  
Plant Protection ◽  
Food Products ◽  
Plant Protection Products ◽  
Rice Grain ◽  
Active Ingredients ◽  
Socialist Republic ◽  
National Monitoring ◽  
Dragon Fruit ◽  
Residues Determination

Introduction. From the evaluation of the positions of residual quantities of pesticides, the hygienic safety assessment of imported food products is most relevant under the current agreement on a free trade zone between the EAEU and the Socialist Republic of Vietnam, as well as in connection with a large list of chemical plant protection products used during the vegetation of crops. The purpose of the study. Rating the level of residual quantities of pesticides in samples of selected food products produced in Vietnam is the purpose of the study. Research objectives. To quantify 42 active ingredients of pesticides (and their metabolites) in samples of rice grain, dragon fruit (pitahaya), avocado, mango and banana (fresh and dried) are the research objectives. Material and methods. Multicomponent and individual methods based on LC and GC with MS-detection and FLD were used to identify active ingredients of pesticides. The sample preparation procedure with QuEChERS technology was used for the multi residues determination of the 40 compounds. The determination of avermectins (abamectin and emamectin benzoate) was carried out after the conversion of substances into fluorogenic derivatives. Results. Residual amounts of tebuconazole (rice - 0.53 ppm, mangoes - 0.26 ppm, avocado - 0.15 ppm), fludioxonil (rice - 0.017 ppm), imidacloprid (dried mangoes - 0.01 ppm), carbendazim (dried mangoes - 0.011 ppm) were identified in single samples No residual avermectins have been identified. The content of substances in the analyzed samples of dragon fruit (pitahaya) did not exceed 0.01 ppm. Discussion. The results obtained in the work are compared with the data of the annual pan-European and national monitoring, information on which is publicly available (2017), including imported goods, according to which rice and dragon fruits as objects of monitoring are given increased attention. Conclusions. The safety of certain types of food products imported from Vietnam is shown by the content of residual quantities of pesticides.

scholarly journals Together for the Better: Improvement of a Model Based Strategy for Grapevine Downy Mildew Control by Addition of Potassium Phosphonates

Plants ◽  
2020 ◽  
Vol 9 (6) ◽  
pp. 710 ◽  
Author(s):  
Gottfried Bleyer ◽  
Fedor Lösch ◽  
Stefan Schumacher ◽  
René Fuchs
Keyword(s):  
Leaf Area ◽  
Downy Mildew ◽  
Plant Protection ◽  
Plant Protection Product ◽  
Model Data ◽  
Experimental Conditions ◽  
Grapevine Downy Mildew ◽  
Infection Pressure ◽  
High Infection ◽  
Key Factor

Grapevine downy mildew is one of the major diseases in viticulture. To control this disease, a more effective strategy has been developed and established based on growth and model data as well as on a combination of fungicides. For this purpose, the systemic plant protection product potassium phosphonate (PP) was combined with two contact fungicides. Treatments were carried out according to the different experimental conditions after the growth of 400 cm2, 600 cm2, and 800 cm2 leaf area per primary shoot. PP increased the effectiveness of the preventive fungicides whenever high infection pressure was the case. The experiments also show that it is possible to extend the treatment intervals from 400 cm2 to 600 cm2 new leaf area when PP was added. However, none of the tested treatments were sufficient for the extension to intervals of 800 cm2. These data show that PP can be a key factor in the reduction of the application of synthetic or copper-based fungicides.

scholarly journals Comparison Assessment for Acute Oral and Dermal Toxicity of Plant Protection Products and Active Ingredients

2018 ◽  
Vol 22 (3) ◽  
pp. 225-244
Author(s):  
Youmi Jo ◽  
Soojin Park ◽  
Are-Sun You ◽  
Jin A Oh ◽  
Je Bong Lee ◽  
...  
Keyword(s):  
Plant Protection ◽  
Plant Protection Products ◽  
Dermal Toxicity ◽  
Active Ingredients

scholarly journals Effect of the Application Date of Fertilizer Containing Silicon and Potassium on the Yield and Technological Quality of Sugar Beet Roots

Plants ◽  
2021 ◽  
Vol 10 (2) ◽  
pp. 370
Author(s):  
Arkadiusz Artyszak ◽  
Dariusz Gozdowski ◽  
Alicja Siuda
Keyword(s):  
Sugar Beet ◽  
Foliar Application ◽  
Plant Protection ◽  
Plant Protection Products ◽  
Water Shortage ◽  
The European Union ◽  
Yield Increase ◽  
Time Of Application ◽  
Technological Quality

Water shortage and drought are a growing problem in Europe. Therefore, effective methods for limiting its effects are necessary. At the same time, the “field to fork” strategy adopted by the European Commission aims to achieve a significant reduction in the use of plant protection products and fertilizers in the European Union. In an experiment conducted in 2018–2020, the effect of the method of foliar fertilization containing silicon and potassium on the yield and technological quality of sugar beet roots was assessed. The fertilizer was used in seven combinations, differing in the number and time of application. The best results were obtained by treating plants during drought stress. The better soil moisture for the plants, the smaller the pure sugar yield increase was observed. It is difficult to clearly state which combination of silicon and potassium foliar application is optimal, as their effects do not differ greatly.

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