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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.
Xanthomonas campestris pv. raphani is a gram-negative, obligate aerobic bacterium that like many other Xanthomonas spp. bacteria has been found associated with plants. This organism is closely related with Xanthomonas campestris pv. campestris, but causes a non-vascular leaf spot disease that is clearly distinct from black rot of brassicas.
Tatsoi (Brassica rapa subsp. narinosa [1] or Brassica rapa var. rosularis [2]) is an Asian variety of Brassica rapa grown for greens. Also called tat choy, it is closely related to the more familiar bok choy. This plant has become popular in North American cuisine as well and is now grown throughout the world.
In contrast, this page deals with botanical terms in a systematic manner, with some illustrations, and organized by plant anatomy and function in plant physiology. [1] This glossary primarily includes terms that deal with vascular plants (ferns, gymnosperms and angiosperms), particularly flowering plants (angiosperms).
Wisconsin Fast Plants were initially developed as part of a larger breeding project of Rapid-Cycling Brassicas, originating in the early 1970s. [1] Wisconsin Fast Plants and other Rapid-Cycling Brassicas were selected through conventional plant breeding to be a tool that would speed up genetic research for disease resistance in economically important Brassica crops. [3]
B Bt C K3:(2) C ↓ C3:2 r ↓ A(3):2 r ↓+4 r:1 0 G 1↓ Vm8–10 [2]: 246 – the formula of Tamarindus indica; bract and petaloid bracteoles; monosymmetric calyx of three and two petaloid sepals; monosymmetric corolla of three and two reduced petals; two whorls of stamens, the outer monosymmetric from three fused and two reduced stamens ...
The most common type of turnip is mostly white-skinned, apart from the upper 1 to 6 centimetres (1 ⁄ 2 to 2 + 1 ⁄ 2 inches), which protrude above the ground and are purple or red or greenish where the sun has hit. This above-ground part develops from stem tissue but is fused with the root.
Urocystis brassicae is a gall smut [1] and a plant pathogen that stunts the infected plants. [2] It is known to create root galls on Indian Mustard ( Brassica campestris ) and other Brassica species.