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This article in AJ

  1. Vol. 60 No. 2, p. 217-219
     
    Received: Sept 2, 1967
    Published: Mar, 1968


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doi:10.2134/agronj1968.00021962006000020022x

Plant Absorption of Dieldrin, DDT, and Endrin from Soils1

  1. Ralph G. Nash2

Abstract

Abstract

Wheat seedlings grown in Lakeland sandy loam soils treated with dieldrin-14C and DDT-14C absorbed and translocated 14C residues to the shoots. Based upon 14C, dieldrin residues in wheat increased in direct proportion to soil application rate. 14C concentration in wheat was approximately 18% of the soil dieldrin-14C content, whereas the range of 14C from DDT-14C was from 3 to 10% of the treated soils.

Soybeans, grown to maturity in endrin-14C treated Lakeland and Hagerstown soils, absorbed and translocated endrin-14C to the hay and seeds. Absorption from the Lakelands oil was twice that from the Hagerstowns oil. However, seed residues were essentially the same. 14C equivalent of endrin in the seed was 0.12 ppm. Endrin residues in soybean shoots increased linearly with time. Radioactivity from extracted soybean hay was identical to that of authentic endrin-l4C, when measured qualitatively by thin-layer chromatography.

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