Daucus

Daucus

Carrots
Genus:	Daucus
Family:	Apiaceae
Type:	Perennials
Pollination:	Insects

Daucus is the genus of plants that includes carrots, wild carrots, and several related plants, including from 22 to 25 species.

Description

Flowers in large umbels.

Species

• Daucus carota (Carrot, Queen Anne's Lace)

Uses

Some species are grown for the edible roots, but otherwise grown for their flowers.

Harvesting

Roots of edible species are harvested the first year, before flower stalks are created.

Pests and diseases

Root Rot

• Phymatotrichum omnivorum

Blight

• Sclerotium rolfsii

Boron Deficiency

Calcium Deficiency

Aphids

• Carrot-Willow Aphid: Cavariella aegopodii
• Coriander Aphid: Hyadaphis coriandri
• Green Peach Aphid: Myzus persicae
• Melon Aphid: Aphis gossypii
• Honeysuckle Aphid: Hyadaphis foeniculi
• Leaf Curling Plum Aphid: Brachycaudus helichrysi

Hoppers

• Aster Leafhopper: Macrosteles facifrons

Bugs

• Garden Fleahopper: Halticus bractatus
• Tarnished Plant Bug: Lygus lineolaris
• Western Tarnished Plant Bug: Lygus hesperus
• Pale Legume Bug: Lygus elisus

Flies

• American Serpentine Leafminer: Liriomyza trifolii
• Carrot Rust Fly: Psila rosae

Beetles

• Palestriped Flea Beetle: Systena blanda

Weevils

• Carrot Weevil: Listronotus oregonensis
• Vegetable Weevil: Listroderes difficilis

Caterpillars

• Alfalfa Webworm: Loxostege cerealis
• Beet Webworm: Loxostege stricticalis
• Parsleyworm: Papilio polyxenes
• Anise Swallowtail: Papilio zelicanon
• Celery Leaftier: Udea rubigalis
• Beet Armyworm: Spodoptera exigua

References

• Britton, Nathaniel Lord (1913). An Illustrated Flora of the Northern United States and Canada, Volume 2 (second edition ed.). Dover Publications, inc. p. 625. {{cite book}}: |edition= has extra text (help); Unknown parameter |coauthors= ignored (|author= suggested) (help)
• P. D. Strausbaugh and Earl L. Core (1977). Flora of West Virginia (Second ed.). Seneca Books, Grantsville, W. Virginia. p. 682. {{cite book}}: Cite has empty unknown parameter: |coauthors= (help)
• Staff of the L. H. Bailey Hortorium (1976). Hortus Third: A Concise Dictionary of Plants Cultivated in the United States and Canada. Cornell University Press. p. 365. {{cite book}}: Cite has empty unknown parameter: |coauthors= (help)
• Pirone, Pascal P. (1978). Diseases & Pests of Ornamental Plants (Fifth Edition ed.). John Wiley & Sons, New York. {{cite book}}: |edition= has extra text (help); Cite has empty unknown parameter: |coauthors= (help)
• Cranshaw, Whitney (2004). Garden Insects of North America: The Ultimate Guide to Backyard Bugs. Princeton University Press. p. 592. {{cite book}}: Cite has empty unknown parameter: |coauthors= (help)
• Pippa Greenwood, Andrew Halstead, A.R. Chase, Daniel Gilrein (2000). American Horticultural Society Pests & Diseases: The Complete Guide to Preventing, Identifying, and Treating Plant Problems (First Edition ed.). Dorling Kindersley (DK) Publishing, inc. p. 202. {{cite book}}: |edition= has extra text (help); Cite has empty unknown parameter: |coauthors= (help)CS1 maint: multiple names: authors list (link)