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The "triangle of U" diagram, showing the genetic relationships among six species of the genus Brassica. Chromosomes from each of the genomes A, B and C are represented by different colours. The triangle of U (/ uː / OO) is a theory about the evolution and relationships among the six most commonly known members of the plant genus Brassica.
The genus Brassica is known for its important agricultural and horticultural crops and also includes a number of weeds, both of wild taxa and escapees from cultivation. Brassica species and varieties commonly used for food include bok choy , broccoli , cauliflower , cabbage , choy sum , kohlrabi , napa cabbage , rutabaga , turnip and some seeds ...
Typical floral diagram of a Brassicaceae (Erysimum "Bowles' Mauve") Flowers may be arranged in racemes, panicles, or corymbs, with pedicels sometimes in the axil of a bract, and few species have flowers that sit individually on flower stems that spring from the axils of rosette leaves. The orientation of the pedicels when fruits are ripe varies ...
Brassica rapa is a plant species that has been widely cultivated into many forms, including the turnip (a root vegetable), komatsuna, napa cabbage, bomdong, bok choy, and rapini. Brassica rapa subsp. oleifera is an oilseed commonly known as turnip rape , field mustard , bird's rape , and keblock .
The mustard plant is any one of several plant species in the genera Brassica, Rhamphospermum and Sinapis in the family Brassicaceae (the mustard family). Mustard seed is used as a spice. Grinding and mixing the seeds with water, vinegar, or other liquids creates the yellow condiment known as prepared mustard.
The host range of X. campestris pv. raphani is wider than X. campestris pv. campestris and includes Brassica spp., radish, ornamental crucifers like wallflowers and tomato. Symptoms include circular dark spots that later became light brown or gray, sometimes surrounded by a water-soaked halo.
The species Brassica napus belongs to the flowering plant family Brassicaceae. Rapeseed is a subspecies with the autonym B. napus subsp. napus. [11] It encompasses winter and spring oilseed, vegetable and fodder rape. [12] Siberian kale is a distinct leaf rape form variety (B. napus var. pabularia) which used to be common as a winter-annual ...
[27] [28] There are possibly up to 100 polymorphs of the S-haplotype in Brassica, and within these there is a dominance hierarchy. [ citation needed ] The female determinant of the SI response in Brassica , is a transmembrane protein termed SRK , which has an intracellular kinase domain, and a variable extracellular domain.