Behaviour of endosulfan residues in peppers, cucumbers and cherry tomatoes grown in greenhouse: evaluation by decline curves
✍ Scribed by Aguilera-del Real, Ana; Valverde-García, Antonio; Fernandez-Alba, Amadeo R.; Camacho-Ferre, Francisco
- Publisher
- John Wiley and Sons
- Year
- 1997
- Tongue
- English
- Weight
- 289 KB
- Volume
- 51
- Category
- Article
- ISSN
- 1526-498X
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✦ Synopsis
Decline of endosulfan residues in pepper, cucumber and cherry tomatoes grown in greenhouses, and the corresponding statistical parameters, were evaluated assessing the formal approaches proposed by Timme, Frehse and Laska to study the behaviour of pesticide residues in crops. In all cases, the Ðrst-order reaction function was conÐrmed to describe the behaviour of endosulfan residues, but functions that best Ðt the experimental data were Ðrst-order for cucumber, RF-Ðrst-order for pepper and RF-1É5th-order for tomato. Half-life periods of endosulfan residues determined from the Ðrst-order function were 11É1(^1É3) days (cucumber), 15É2(^3É3) days (pepper) and 20É1(^6É6) days (tomato), whereas the values obtained from the optimal functions were close to 10 days for the three plantations.