Canadian Forest Service Publications
Layered structure in the Bitunicate Ascus. 1967. Funk, A.; Shoemaker, R.A. Canadian Journal of Botany 45(8): 1265-1266.
Available from: Pacific Forestry Centre
Catalog ID: 19756
CFS Availability: PDF (request by e-mail)
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The bitunicate ascus of Botryosphaeria piceae Funk was found to have a multilayered structure of the endotunica, the hydrophylic, extensible, inner wall of the ascus that functions in ascospore discharge. A similar multilayered endotunica was observed in Botryosphaeria quercuum (Schw.) Sacc. and in Pleospora herbarum (Fr.) Rab. var. herbarum following treatment in 7% KOH solution.
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