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This article in CS

  1. Vol. 22 No. 3, p. 629-630
     
    Received: July 20, 1981


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doi:10.2135/cropsci1982.0011183X002200030048x

Effect of Soybean Mosaic Virus on Root Volume and Dry Weight of Soybean Plants1

  1. B. L. Keeling2

Abstract

Abstract

The effect of soybean mosaic virus (SMV) on root volume and dry weight of soybean [Glycine max (L.) Merr.] seedlings was determined in two environments (greenhouse and controlled environment chamber). Root volume of susceptible cvs. ‘Bragg’ and ‘Tracy’ was reduced up to 61% 30 days after 10-day-old seedlings were inoculated. The reduction in dry weight of roots and top portion of Bragg and Tracy seedlings ranged from 38 to 59%. Root volume of D73-7725 (resistant) was reduced 18% by SMV when the plants were grown in a controlled environment chamber but was not reduced in the greenhouse environment.

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