Horticulture/Pisum

Peas Doperwt rijserwt bloemen Pisum sativum.jpg Pisum Fabaceae Annuals 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 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 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 The genus contains one to five species, depending on taxonomic interpretation; the International Legume Database (ILDIS) accepts three species, one with two subspecies : ../Pisum abyssinicum/ (syn. P. sativum subsp. abyssinicum) ../Pisum fulvum/ ../Pisum sativum/ - Pea Pisum sativum subsp. elatius (syn. P. elatius, P. syriacum) Pisum sativum subsp. sativum Uses ../Pisum sativum/ is commonly grown as a food crop, but all plants in this genus can be used as cover crops. Pests and diseases ../Powdery Mildew/ ../Leaf Spot/, Pod Spot Ascochyta pinodes Ascochyta pisi ../Downy Mildew/ ../Damping Off/ ../White Mold/ ../Sclerotinia sclerotiorum/ ../Root Rots/ ../Blight/ ../Sclerotium rolfsii/ ../Wilt/ Fusarium oxysporum pisi ../Aphids/ Pea Aphid: ../Acyrthosiphon pisum/ Green Peach Aphid: ../Myzus persicae/ ../Bugs/ Tarnished Plant Bug: ../Lygus lineolaris/ Fourlined Plant Bug: ../Poecilocapsus lineatus/ ../Thrips/ Onions thrips: ../Thrips tabaci/ ../Maggots/ American Serpentine Leafminer: ../Liriomyza trifolii/ Pea Leafminer: ../Liriomyza huidobrensis/ Seedcorn Maggot: ../Delia platura/ ../Beetles/ Pea Weevil: ../Bruchus pisorum/ Pea Leaf Weevil: ../Sitona lineatus/ Cucumber Beetles ../Caterpillars/ Turnip Moth: ../Agrotis segetum/ Pea Moth: ../Cydia nigricana/ Stalk Borer: ../Papaipema nebris/ Cabbage Looper: ../Trichoplusia ni/ Celery Looper: ../Anagrapha falcifera/ Speckled Green Fruitworm: ../Orthosia hibisci/ Beet Armyworm: ../Spodoptera exigua/ Bucculatrix pyrivorella, w:Cabbage Moth, Common Swift, w:Ghost Moth, Hypercompe indecisa, The Nutmeg, w:Setaceous Hebrew Character and w:Turnip Moth. References Christopher Brickell et al. The American Horticultural Society Encyclopedia of Gardening 1993 DK Publishing, inc. 339-340 Staff of the L. H. Bailey Hortorium Hortus Third: A Concise Dictionary of Plants Cultivated in the United States and Canada 1976 Cornell University Press 879 Cranshaw Whitney Garden Insects of North America: The Ultimate Guide to Backyard Bugs 2004 Princeton University Press 613 Pippa Greenwood, Andrew Halstead, A.R. Chase, Daniel Gilrein American Horticultural Society Pests & Diseases: The Complete Guide to Preventing, Identifying, and Treating Plant Problems First Edition 2000 Dorling Kindersley (DK) Publishing, inc. 203