Environmental Factors/Compounds and Hormones in Regulation of Seed Dormancy and Germination

Dear Colleagues,

Maintenance, releasing dormancy and seed germination are important components of pivotal events in most plant life cycles. Various environmental and non-environmental factors including bioactive  compounds, e.g., NO, HCN and some regulators such as plant hormones and smoke compounds (including karrikins), can affect the dormancy level and seed germination of several plant species. The content of ABA, GA_s and ethylene and/or the sensitivity to these hormones can be responsible for the seed dormancy release mechanism and germination. Physical factors such as dry storage or stratification also cause the release of dormancy, which is accomplished through changes in hormone content and their signaling pathways.

Less data are available on the involvement of NO, HCN and smoke compounds including karrikins in the regulation of dormancy levels and germination.

This Special Issue will be focused on the following topics:

1. Seed responses to stratification, dry storage and various compounds including plant hormones;
2. The interaction between endogenous/ exogenous various compunds and plant hormones;
3. Molecular mechanisms of the actions of bioactive compounds.

Prof. Dr. Jan Kȩpczyński
Prof. Dr. Ewa Kȩpczyńska
Guest Editors

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• dormancy
• ethylene
• germination
• hormones
• hydrogen cyanide
• karrikin
• nitric oxide
• smoke