The authors thank professor A. Manthos (Aristotelian University
of Thessaloniki, Greece) for access to several facilities and ultramicrotome.
We are indebted to Akka’s company (New Ikonio of
Thessaly, Greece) for computation of qualitative characteristics of
cotton fibers by High Volume Instrument. Also, professor J. Gounaris
and lecturer Ch. Nakas are acknowledged for revising the language
and statistical advice, respectively.