Some problems in the embryogenesis of Ha
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K. Plasota; M. Plasota
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Article
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1980
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Springer
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English
β 207 KB
Several parameters connected with the biology of H. rosa were investigated under laboratory conditions: average lie span (20 days) divided into three characteristic stages, mean number of eggs laid (30 eggs) and average time of egg development (31.5 hours). Ontogenesis was studied (until the stage o