You should also understand the concept of totipotency and its implication within different horticultural settings for example, how small pieces of pernicious perennial weeds may regenerate to create a bigger problem if they are chopped up using a rotavator. Climate change is affecting plant choice in the UK, and you should understand how the origins of plants relate to appropriate choices for new plantings. Seeds are the product of sexual reproduction in plants, and you should be able to discuss different types of seed, orthodox and recalcitrant, and their different storage capacity. Dormancy should be understood and seed dormancy and its value to horticulture. You should be able to discuss germination requirements and triggers, and how horticulturalists can treat seeds in order to mimic natural dormancy breaking.
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