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Residues of Flupyradifurone on Apple Fruits and Soil

机译：Flupyradifurone的残留在苹果水果和土壤上

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摘要

Persistence of flupyradifurone and its metabolites is reported in apple fruit and soil under field conditions in different locations of Himachal Pradesh and Jammu and Kashmir. Four orchards were selected at Matiana and Thanedhar (H.P.) to study the persistence and two orchards at Youngora and Lassipora (J & K) to study the harvest time residues during the year 2015. Flupyradifurone was sprayed twice at 20 d interval @ 400 (single dose) and 800 (double dose) g a.i ha~(-1). Combined residual concentrations of flupyradifurone and its metabolite difluoroacetic acid (DFA) were considered as flupyradifurone. Except DFA, no other metabolite was detected during analysis. Residues of DFA were detected on 3~(rd) day and were below determination level of 0.05 mg kg~(-1) on 10~(th) day of fruit sampling. The initial deposits of flupyradifurone at single and double dosage were 1.916 and 2.765 mg kg~(-1) and 1.294 and 2.331 mg kg~(-1) on apple fruit at Matiana and Thanedhar, respectively. At harvest, the residues in fruits as well as soil were below determination level for fluopyradifurone at all the four locations. Half-life (RL_(50)) was found to be 3.0 and 4.1 d at single and double doses, respectively.
机译：马偕尔邦和克什米尔不同地点的苹果果实和土壤中报道了氟霉菌及其代谢物的持久性。在Matiana和Thanedhar（HP）中选择了四个果园，研究了年轻人和Lassipora（J＆K）的持久性和两个果园，以研究2015年期间的收获时间残留。弗平丝酮在20 d间隔@ 400中喷洒两次（单一剂量）和800（双剂量）G AI HA〜（-1）。将氟吡啶酮及其代谢物二氟乙酸（DFA）的组合的残余浓度被认为是FlupyRadifURONE。除DFA外，在分析期间没有检测到其他代谢物。在3〜（RD）日检测到DFA的残留物，低于水果采样10〜（Th）日的0.05mg kg〜（-1）的测定水平。在Satiana和Thanedhar的苹果果上分别在单一和双剂量下的絮状素酮的初始沉积物为1.916和2.765mg kg〜（-1）和1.294和2.331 mg kg〜（-1）。在收获时，水果中的残留物以及土壤低于所有四个地点的氟化丝酮的测定水平。半衰期（RL_（50））分别以单剂量和双剂量为3.0和4.1d。

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  • 来源
    《Pesticide Research Journal》 |2017年第2期|共6页
  • 作者

    JK Dubey; SK Patyal; Sapna Katna;

  • 作者单位

    Department of Entomology Dr Y.S. Parmar University of Horticulture and Forestry Nauni Solan 173 230 H.P. India;

    Department of Entomology Dr Y.S. Parmar University of Horticulture and Forestry Nauni Solan 173 230 H.P. India;

    Department of Entomology Dr Y.S. Parmar University of Horticulture and Forestry Nauni Solan 173 230 H.P. India;

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  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类 植物保护;
  • 关键词

    Flupyradifurone; residues; half-life; apple;

    机译：flupyradifurone;残留物;半衰期;苹果;

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