Horticulture/Daucus
From Wikibooks, the open-content textbooks collection
| 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.
[edit] Description
Flowers in large umbels.
[edit] Species
- Daucus carota (Carrot, Queen Anne's Lace)
[edit] Uses
Some species are grown for the edible roots, but otherwise grown for their flowers.
[edit] Harvesting
Roots of edible species are harvested the first year, before flower stalks are created.
[edit] Pests and diseases
- Phymatotrichum omnivorum
- Sclerotium rolfsii
- 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
- Aster Leafhopper: Macrosteles facifrons
- Garden Fleahopper: Halticus bractatus
- Tarnished Plant Bug: Lygus lineolaris
- Western Tarnished Plant Bug: Lygus hesperus
- Pale Legume Bug: Lygus elisus
- American Serpentine Leafminer: Liriomyza trifolii
- Carrot Rust Fly: Psila rosae
- Palestriped Flea Beetle: Systena blanda
- Carrot Weevil: Listronotus oregonensis
- Vegetable Weevil: Listroderes difficilis
- Alfalfa Webworm: Loxostege cerealis
- Beet Webworm: Loxostege stricticalis
- Parsleyworm: Papilio polyxenes
- Anise Swallowtail: Papilio zelicanon
- Celery Leaftier: Udea rubigalis
- Beet Armyworm: Spodoptera exigua
[edit] References
- Britton, Nathaniel Lord, Addison Brown (1913). An Illustrated Flora of the Northern United States and Canada, Volume 2, second edition, Dover Publications, inc., 625.
- P. D. Strausbaugh and Earl L. Core (1977). Flora of West Virginia, Second, Seneca Books, Grantsville, W. Virginia, 682.
- 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, 365.
- Pirone, Pascal P. (1978). Diseases & Pests of Ornamental Plants, Fifth Edition, John Wiley & Sons, New York.
- Cranshaw, Whitney (2004). Garden Insects of North America: The Ultimate Guide to Backyard Bugs. Princeton University Press, 592.
- 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, Dorling Kindersley (DK) Publishing, inc., 202.
