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This article in AJ

  1. Vol. 58 No. 2, p. 220-222
     
    Received: Aug 2, 1965
    Published: Mar, 1966


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doi:10.2134/agronj1966.00021962005800020031x

Longevity and Dormancy in Seeds of Several Cool-Season Grasses and Legumes Buried in Soil1

  1. H. H. Rampton and
  2. Te May Ching2

Abstract

Abstract

Nine kinds of crop seeds were buried in the field at 1-, 2-, 3-, 5-, and 7-inch depths in Saran mesh bags to determine seed longevity and dormancy. Generally, persistence and viability were lowest at the 1-inch depth and increased with depth, with differential longevity among species. Seeds of perennial ryegrass declined in viability most rapidly; orchardgrass and chewings fescue lost their viability after three winters; Highland bentgrass and Oregon annual ryegrass retained considerable viability; and red clover was highest in viability.

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