Gene Details

Gene Locus Name Chromosome Arm Marker type
d dwarf 2 L Morph
Allele Allele Name Synonyms Source Notes Phenotype Category/Primary
-- SPON Butler 1952 J Hered 43:25 Shortened hypocotyl, darker, broader and shorter cotyledons; stems heavy and erect; plant compact, internodes shortened to about 2.5cm; leaves very distinct, with reduced number and size of segments; dark green color, puckered rugose surface, down-curled magins, and broader, shorter outline of whole as well as individual segments; similar reduction in size and foreshortening of inflorescence, flowers and fruit.
Plant habit or size Yes
Leaf form or size No
Foliage color: dark No
+ SPON Wild-type allele of dwarf.
Plant habit or size Y
Leaf form or size N
Foliage color: dark N
b broccoli SPON Extreme dwarf; more stunted than d^x; leaves reduced to small, dark green globs of curled, rugose tissue; flowers reduced, with tiny corolla segments.
Plant habit or size Yes
Leaf form or size no
Flower form or color no
Foliage color: dark no
cr crispata rob^crisp RAD Stubbe 1957 Kulturpflanze 5:211 Allele of phenotype intermediate between d and d^x.
Plant habit or size Yes
Leaf form or size No
Foliage color: dark No
im immuna rob^imm RAD All parts foreshortened; leaves dark and rugose.
Plant habit or size Yes
Leaf form or size No
Foliage color: dark No
prov2 provisional 2 d CHEM provisional allele symbol All parts foreshortened; leaves dark and rugose.
Plant habit or size Yes
Leaf form or size No
Foliage color: dark No
prov3
provcr-2 crispata d^cr CHEM provisional allele symbol All parts foreshortened; leaves dark and rugose.
Plant habit or size Yes
Leaf form or size No
Foliage color: dark No
provcr-3 crispata d^cr CHEM provisional allele symbol All parts foreshortened; leaves dark and rugose.
Plant habit or size Yes
Leaf form or size No
Foliage color: dark No
provx-2 extreme-2 d^x SPON provisional allele symbol All parts foreshortened; leaves dark and rugose.
Plant habit or size Yes
Leaf form or size No
Foliage color: dark No
x extreme SPON Rick 1954 TGC 4:16. Segregated in PI 188565, cv. San Pancrazio. Resembles dwarf (d) but more extreme in all respects; growth is very slow; all parts of plant reduced in size and most organs modified in the direction of shorter and broader shape; leaves very dark green, the surface coarsely bullate and midrid twisted; plants are moderately fertile; recessive to d and to +.
Plant habit or size Yes
Leaf form or size No
Foliage color: dark No
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