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Crown sprouting is the ability of a plant to regenerate its shoot system after destruction (usually by fire) by activating dormant vegetative structures to produce regrowth from the root crown (the junction between the root and shoot portions of a plant). [1] These dormant structures take the form of lignotubers or basal epicormic buds.
Longleaf pine (Pinus palustris) is a pyrophile, depending on fire to clear the ground for seed germination. [4] The passage of fire, by increasing temperature and releasing smoke, is necessary to raise seeds dormancy of pyrophile plants such as Cistus and Byblis an Australian passive carnivorous plant. Imperata cylindrica is a plant of Papua ...
Fire exclusion has resulted in a declining reproductive output, and thus population size, of some species of pyrogenic plants. [3] Additionally, evidence suggests that fires that occur outside of normal seasonal burn times (typically summer months) can have negative repercussions on pyrogenic flowering plants, including lower flowering and seed production when compared to fire-exposed plants ...
This is a list of countries by pineapple production from 2016 to 2022, based on data from the Food and Agriculture Organization Corporate Statistical Database. [1] The estimated total world production for pineapples in 2022 was 29,361,138 metric tonnes , an increase of 2.3% from 28,714,479 tonnes in 2021. [ 1 ]
In crown fire regimes, pines have evolved traits such as retaining dead branches in order to attract fires. These traits are inherited from the fire-sensitive ancestors of modern pines. [ 6 ] Other traits such as serotiny and fire-stimulating flowering also have evolved for millions of years. [ 6 ]
The long-lived Pseudotsuga macrocarpa (bigcone Douglas fir) forms epicormic shoots both in response to fire damage and as a means of forming growth on existing branches. The epicormic branching pattern has been observed to six iterations. [11] [12] Pseudotsuga macrocarpa showing branch regeneration after a crown fire through epicormic shoots ...
The pageant that crowned Belgium's Top Woman focused on the inner beauty and body positivity of the contestants. "True beauty does not come from a perfect body that corresponds with what society ...
This layer of vegetation starts from a height of about 5 metres and comprises the top stratum, which consists of phanerophytes. They can be about 45 metres high. The trees (and sometimes shrubs) are of various heights. One tree has its crown at the height of another’s trunk. At the top the crowns of the different species of trees form a more ...