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首页> 外文期刊>Journal of Agricultural and Food Chemistry >Improved uptake models of nonionized pesticides to foliage and seed of crops
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Improved uptake models of nonionized pesticides to foliage and seed of crops

机译：改善了非离子农药对农作物叶片和种子的吸收模型

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摘要

The residual amount of nonionized pesticides incorporated to foliage and stem (foliage) and seed (fruit) of crops via root hairs from the water phase was estimated using the uptake models newly including metabolic parameters by which the amount of intact pesticide remaining in crops was considered with its proportion in a transpiration stream. A new parameter was also introduced for the seed model that accounts for the pesticide loss by adsorption to the inner surface of xylem tissue. Validation of the model was conducted using six pesticides with soybean and spinach plants. The ratio of the predicted concentration of pesticide to the measured one was 0.44-1.49 and 0.57-2.93 with foliage and seed models, respectively, showing that these improved models would be effective as a prediction tool.
机译：使用新的吸收模型（包括代谢参数）估算了通过水模型通过水生根毛掺入作物的枝叶和茎（叶）和种子（果实）中的非离子农药的残留量，通过该参数可以考虑作物中完整农药的残留量在蒸腾作用中所占的比例。还为种子模型引入了一个新参数，该参数通过吸附到木质部组织的内表面来解释农药的损失。使用六种农药对大豆和菠菜进行了模型验证。采用叶面模型和种子模型时，预测农药浓度与所测农药浓度之比分别为0.44-1.49和0.57-2.93，表明这些改进的模型可以有效地用作预测工具。

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