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The artichoke (Cynara cardunculus var. scolymus), [1] also known by the other names: French artichoke, globe artichoke, and green artichoke. In the United States, [2] it is a variety of a species of thistle cultivated as food. The edible portion of the plant consists of the flower buds before the flowers come into bloom.
Germination of seedlings raised from seeds of eucalyptus after three days of sowing. In agriculture and gardening, the germination rate describes how many seeds of a particular plant species, variety or seedlot are likely to germinate over a given period. It is a measure of germination time course and is usually expressed as a percentage, e.g ...
Germination 00: Dry seed 01: Start of imbibition 03: Imbibition complete 05: Radicle emerged from seed 07: Coleoptile emerged from seed 09: 0.0: Leaf just at coleoptile tip Seedling growth 10: 1: First leaf through coleoptile 11: 1.+ First leaf unfolded 12: 1.+ 2 leaves unfolded 13: 2.+ 3 leaves unfolded 14: 3.+ 4 leaves unfolded 15: 4.+ 5 ...
Plant embryonic development, also plant embryogenesis, is a process that occurs after the fertilization of an ovule to produce a fully developed plant embryo.This is a pertinent stage in the plant life cycle that is followed by dormancy and germination. [1]
The term is sometimes used to refer to the need of herbal (non-woody) plants for a period of cold dormancy in order to produce new shoots and leaves, [1] but this usage is discouraged. [2] Many plants grown in temperate climates require vernalization and must experience a period of low winter temperature to initiate or accelerate the flowering ...
After 1960 the rate of warming accelerated, and this is mirrored by increasing earliness of oak leafing, recorded in the data collected by Jean Combes in Surrey. Over the past 250 years, the first leafing date of oak appears to have advanced by about 8 days, corresponding to overall warming on the order of 1.5 °C in the same period.
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Jerusalem artichoke can propagate with seeds and tubers but the use of tubers leads to higher yields. [43] For planting, the tubers are cut into pieces with three to five buds [44] that are placed in 5–10 centimetres (2–4 in) depth in the soil.