Abstract
Plant fibers find wide application in various fields that demand specific parameters of fiber quality. To develop approaches for the improvement of yield and quality of bast fibers, the knowledge of the fiber developmental stages and of the key molecular players that are responsible for a certain parameter, are vitally important. In the present review the key stages of fiber development, such as initiation, intrusive growth, and formation of thickened cell wall layers (secondary and tertiary cell walls) are considered, as well as the impact of each of these stages on the final parameters of fiber yield and quality. The problems and perspectives of crop quality regulation are discussed.
Highlights
Plant fibers have great potential for their use in various innovative applications as an ecological, biodegradable, and renewable resource with unique properties [1,2]
Fiber quality is quite dependent on the way of plant material processing; the basis for the fiber properties that are important for application is provided by developmental processes occurring in planta
Similar to many other plant cell types, fibers develop through three major stages: initiation, elongation, and further specialization; the latter in the case of fibers is largely represented by cell wall thickening
Summary
Plant fibers have great potential for their use in various innovative applications as an ecological, biodegradable, and renewable resource with unique properties [1,2]. Similar to many other plant cell types, fibers develop through three major stages: initiation, elongation, and further specialization; the latter in the case of fibers is largely represented by cell wall thickening. Each of these stages has its own impact on the final parameters of fiber yield and quality. We consider the general role of each developmental stage that would be the same in any plant developing bast fibers and skip the influence of environmental factors or of specific genetic background in different varieties of certain bast fiber crops
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