The smoke-derived butenolide, 3-methyl-2 H -furo[2,3- c ]pyran-2-one, is a simple organic compound that can increase both the level and rate of seed germination, widen the environmental range over which germination can occur and have a positive effect on seedling vigour. Consequently, butenolide has a wide range of potential applications spanning horticulture, weed control and ecological restoration. Here we review the isolation and identification of this compound from plant-derived smoke, its effects on plants and the current state of knowledge on possible mode of action, as well as impacts it may have in the natural environment.
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Light et al. (2008) studied this question.
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