Development of a Data Set of Pesticide Dissipation Rates in/on Various Plant Matrices for the Pesticide Properties Database (PPDB)

Abstract

Data relating to the rate at which pesticide active substances dissipate on or within various plant matrices are important for a range of different risk assessments; however, despite the importance of this data, dissipation rates are not included in the most common online data resources. Databases have been collated in the past, but these tend not to be maintained or regularly updated. The purpose of the exercise described herein was to collate a new database in a format compatible with the main online pesticide database resource (the Pesticide Properties Database, PPDB), to validate this database in line with the Pesticide Properties Database protocols and thus ensure that the data is maintained and updated in future. Data was collated using a systematic review approach using several scientific databases. Collated literature was subjected to a quality assessment, and then data was extracted into an MS Excel spreadsheet. The outcome of the study is a database based on data collated from 1390 published articles covering over 400 pesticides and over 200 crops across a wide variety of different matrices (leaves, fruits, seeds etc.) for pesticide residues on the crop surface, as well as residues absorbed within the plant material. This data is now fully incorporated into the PPDB.

Dissipation of Pre-Harvest Pesticides on ‘Clementine’ Mandarins after Open Field Application, and Their Persistence When Stored under Conventional Postharvest Conditions

“…An extensive database of pesticide dissipation is available on the web. Lewis et al [20] developed a dataset of pesticide dissipation rates in/on various plant matrices for the Pesticide Properties Database (PPDB). The influence of the specific part of the plant is highlighted, the leaves being the part that showed the greatest variations in the pesticide dissipation rates.…”

Effects of Tebuconazole Application on Soil Microbiota and Enzymes

“…Nevertheless, it is believed that—when applied incorrectly—most fungicides may lead to disorders in the metabolism of microorganisms, which is in turn reflected in the activities of soil enzymes [ 45 , 46 ]. In addition, the suppressed activity of certain soil enzymes may be due to their immobilization by soil colloids or to a small amount of organic matter in the soil [ 38 , 47 ]. The adverse effect of tebuconazole applied in doses of 5.0, 50.0, and 500 mg kg −1 on the activities of urease, alkaline phosphatase, β-glucosidase, and arylsulfatase was reported by Muñoz-Leoz et al [ 28 ].…”

The efficiency of systemic insecticides and complete fertilizer by trunk injection method against leopard moth in infested walnut trees

“…This is due to the instability of oxydemetonmethyl in walnut trees for long periods of time and the non-toxicity of its metabolites for leopard moth larvae. Investigations have reported that the half-life of Oxydemeton-methyl is 30-40 days (Lewis & Tzilivakis, 2017).…”