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Seed vigor is a measure of the quality of seed, and involves the viability of the seed, the germination percentage, germination rate, and the strength of the seedlings produced. [ 47 ] The germination percentage is simply the proportion of seeds that germinate from all seeds subject to the right conditions for growth.
Flowering plants are plants that bear flowers and fruits, and form the clade Angiospermae (/ ˌ æ n dʒ i ə ˈ s p ər m iː /). [5] [6] The term 'angiosperm' is derived from the Greek words ἀγγεῖον / angeion ('container, vessel') and σπέρμα / sperma ('seed'), meaning that the seeds are enclosed within a fruit.
Flower production and trade supports developing economies through their availability as a fair trade product. [140] View of the Tampere Central Square during the Tampere Floral Festival in July 2007. Flowers provide less food than other major plant parts (seeds, fruits, roots, stems and leaves), but still provide several important vegetables ...
A seed plant or spermatophyte (lit. ' seed plant '; from Ancient Greek σπέρματος (spérmatos) 'seed' and φυτόν (phytón) 'plant'), also known as a phanerogam (taxon Phanerogamae) or a phaenogam (taxon Phaenogamae), is any plant that produces seeds.
Poppy seeds are less than a millimeter in length, kidney-shaped, and have a pitted surface. [3] It takes about 3,300 poppy seeds to make up a gram, and between 1 and 2 million seeds to make up a pound. [2] The primary flavor compound is 2-pentylfuran. [4] The seeds are cultivated for the flowers they produce.
The gymnosperms (/ ˈ dʒ ɪ m n ə ˌ s p ɜːr m z,-n oʊ-/ ⓘ JIM-nə-spurmz, -noh-; lit. ' revealed seeds ') are a group of woody, perennial seed-producing plants, typically lacking the protective outer covering which surrounds the seeds in flowering plants, that include conifers, cycads, Ginkgo, and gnetophytes, forming the clade Gymnospermae [2] The term gymnosperm comes from the ...
Rapeseed flowers are bright yellow and about 17 millimetres (3 ⁄ 4 in) across. [6] They are radial and consist of four petals in a typical cross-form, alternating with four sepals. They have indeterminate racemose flowering starting at the lowest bud and growing upward in the following days.
Poppies and opium made their way around the world along the silk road. [9] Juglets resembling poppy seed pods have been discovered with trace amounts of opium and the flower appeared in jewelry and on art pieces in Ancient Egypt, dated 1550–1292 BC. [10] [11]