Contribution to the biology of germination of four species ofChenopodium album agg. under different condition |
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Authors: | Lenka Moravcová Ji?í Dostálek |
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Institution: | 1. Institute of Botany, Czechoslovak Academy of Science, 252 43, Pr?honice, Czechoslovakia
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Abstract: | The study investigated various factors stimulating germination of seeds of four species ofChenopodium album agg.—C. album L. s. str.,C. ficifolium Sm.,C. strictum Roth,C. suecicum J. Murr. These factors were: storage in wet and cold, alternating temperature, nitrates mainly in combination with light and, to a lesser degree, the duration of chilling. Germination was inhibited by darkness, which was most marked with seeds ofC. strictum. The effect of alternating temperature was better on the germination ofC. ficifolium andC. suecicum than on that ofC. album andC. strictum. We also discussed several differences in specific reactions of the individual species to the factors under consideration. |
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