Pisum

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Pisum

Peas
Doperwt rijserwt bloemen Pisum sativum.jpg
Genus: Pisum
Family: Fabaceae
Type: Annuals
Pollination: Insects

Pisum is a genus of the family Fabaceae, native to southwest Asia and northeast Africa. Pisum sativum, the field pea or garden pea, is the most commonly cultivated.

Description[edit]

Tendrilled vines with compound leaves. The flower has 5 sepals (fused), 5 petal, 10 anthers (9 are fused ,1 free) and 2 carpels(fused). The fruit is a legume (the pea).

Growing conditions[edit]

Sunny locations, soils should be rich but well-drained. Seeds are usually inoculated with a bacteria which fixes atmospheric nitrogen for the use of the plant.

Varieties[edit]

The genus contains one to five species, depending on taxonomic interpretation; the International Legume Database (ILDIS) accepts three species, one with two subspecies [1]:

Uses[edit]

Pisum sativum is commonly grown as a food crop, but all plants in this genus can be used as cover crops.

Pests and diseases[edit]

Powdery Mildew

Leaf Spot, Pod Spot

  • Ascochyta pinodes
  • Ascochyta pisi

Downy Mildew

Damping Off

White Mold

Root Rots

Blight

Wilt

  • Fusarium oxysporum pisi

Aphids

Bugs

Thrips

Maggots

Beetles

Caterpillars

Bucculatrix pyrivorella, w:Cabbage Moth, Common Swift, w:Ghost Moth, Hypercompe indecisa, The Nutmeg, w:Setaceous Hebrew Character and w:Turnip Moth.

References[edit]

Christopher Brickell et al. (1993). The American Horticultural Society Encyclopedia of Gardening. DK Publishing, inc.. pp. 339-340. 

  • 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. pp. 879. 
  • Cranshaw, Whitney (2004). Garden Insects of North America: The Ultimate Guide to Backyard Bugs. Princeton University Press. pp. 613. 
  • 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.. pp. 203.