Onion - Revision history

Murali.lalitha at 01:16, 25 November 2010

2010-11-25T01:16:12Z

Raffi at 03:29, 14 May 2010

2010-05-14T03:29:23Z

Raffi at 20:41, 22 February 2010

2010-02-22T20:41:35Z

Murali.lalitha at 20:58, 20 February 2010

2010-02-20T20:58:49Z

Show changes

Raffi at 22:36, 14 August 2009

2009-08-14T22:36:34Z

Raffi: /* Gallery */ removed salsa phot

2009-03-23T21:45:46Z

Gallery: removed salsa phot

Raffi: template, pics

2009-03-23T21:45:25Z

template, pics

New page

__NOTOC__{{Plantbox
| name = ''Allium cepa''
| common_names = Onion
| growth_habit = herbaceous bulb
| high = 
| wide = 
| origin = 
| poisonous = 
| lifespan = 
| exposure = 
| water = 
| features = edible, flowers
| hardiness = 
| bloom = 
| usda_zones = 
| sunset_zones = 
| color = IndianRed
| image = Onions.jpg
| image_width = 240px 
| image_caption = Onions
| regnum = Plantae
| divisio = Magnoliophyta
| classis = Liliopsida
| ordo = Asparagales
| familia = Alliaceae
| genus = Allium
| species = cepa
| subspecies =
| cultivar =
}}
{{edit-desc}}


:''More information about this species can be found on the [[GENUSNAMEHERE|genus page]].''

==Cultivation==
{{monthbox
| color = IndianRed
| name = 
| jan =
| feb =
| mar =
| apr =
| may =
| jun =
| jul =
| aug =
| sep =
| oct =
| nov =
| dec =
| notes =
}}
{{edit-cult}}

===Propagation===
{{edit-prop}}

===Pests and diseases===
{{edit-pests}}

==Species==





==Gallery==
<gallery>
Image:Two colors of onions.jpg|Brown and white onions
Image:YellowOnions.jpg|[[Yellow Onions]]
Image:Onion Flower Head.jpg|Flower head of a yellow onion
Image:Organicsalsa.jpg|Onions are used in salsa.
Image:Muck onions 8640.jpg|Onion fields
</gallery>

==References==




==External links==
*{{wplink}}

{{stub}}
[[Category:Categorize]]

@@ Line 3: / Line 3: @@
 |genus=Allium
 |species=cepa
-|common_name=Onion
+|common_name=Onion, Scallion, Shallot, Spring onion
 |habit=bulbous
 |Max ht box=60
 |Max ht metric=cm
 |height_ref=Plants for a Future
-|lifespan=perennial, annual
+|Min wd box=10
-|exposure=sun, part-sun
+|Min wd metric=cm
-|features=edible
+|Max wd box=20
-|flower_season=early summer, mid summer
+|Max wd metric=cm
 |Temp Metric=°F
 |image=Onions.jpg
 |image_width=240

@@ Line 4: / Line 4: @@
 |species=cepa
 |common_name=Onion
 |features=edible
 |Temp Metric=°F
 |image=Onions.jpg
 |image_width=240
@@ Line 18: / Line 24: @@
 ==Cultivation==
-{{edit-cult}}<!--- Type cultivation info below this line, then delete this entire line -->
+Prefers a sunny sheltered position in a rich light well-drained soil[1, 16]. Prefers a pH of at least 6.5[200]. Plants tolerate a pH in the range of 4.5 to 8.3. Onions are best grown in a Mediterranean climate, the hot dry summers ensuring that the bulbs are ripened fully[200]. For best growth, however, cool weather is desirable at the early stages of growth[200]. Plants are frost-tolerant but prolonged temperatures below 10°c cause the bulb to flower[200]. Optimum growth takes place at temperatures between 20 and 25°c[200]. Bulb formation takes place in response to long-day conditions[200]. Plants are perennial but the cultivated forms often die after flowering in their second year though they can perennate by means of off-sets[1]. The onion was one of the first plants to be cultivated for food and medicine[244]. It is very widely cultivated in most parts of the world for its edible bulb and leaves, there are many named varieties capable of supplying bulbs all the year round[200]. This species was derived in cultivation from A. oschaninii[203]. Most forms are grown mainly for their edible bulbs but a number of varieties, the spring onions and everlasting onions, have been selected for their edible leaves. There are several sub-species:- Allium cepa 'Perutile' is the everlasting onion with a growth habit similar to chives, it is usually evergreen and can supply fresh leaves all winter. Allium cepa aggregatum includes the shallot and the potato onion. These are true perennials, the bulb growing at or just below the surface of the ground and increasing by division. Plants can be divided annually when they die down in the summer to provide bulbs for eating and propagation. Allium cepa proliferum is the tree onion, it produces bulbils instead of flowers in the inflorescence. These bulbils have a nice strong onion flavour and can be used raw, cooked or pickled. Onions grow well with most plants, especially roses, carrots, beet and chamomile, but they inhibit the growth of legumes[18, 20, 54, 201]. This plant is a bad companion for alfalfa, each species negatively affecting the other[201]. Members of this genus are rarely if ever troubled by browsing deer[233].
 ===Propagation===
 [[File:Onion whitebackground.jpg|thumb|Onion growing shoots]]
 Onions may be grown from seed or, more commonly today, from sets started from seed the previous year. Onion sets are produced by sowing seed very thickly one year, resulting in stunted plants that produce very small bulbs. These bulbs are very easy to set out and grow into mature bulbs the following year, but they have the reputation of producing a less durable bulb than onions grown directly from seed and thinned.
@@ Line 40: / Line 45: @@
 *[[Welsh onion]] – Sometimes referred to as green onion or spring onion, although these onions may refer to any green onion stalk.
 *[[Leek]]
-*[[Yellow onion]] - generally tapered ends, brown skin over the onion, usually sold in 3&nbsp;lb bags of yellow webbed plastic.
+*[[Yellow onion]] - generally tapered ends, brown skin over the onion, usually sold in 3 lb bags of yellow webbed plastic.
 *[[Sweet onion]] - flatter ends and sold individually. Spanish and Vidalia
@@ Line 52: / Line 57: @@
 ==References==
 *[[Standard Cyclopedia of Horticulture]], by L. H. Bailey, MacMillan Co., 1963
 <!--- xxxxx  *Flora: The Gardener's Bible, by Sean Hogan. Global Book Publishing, 2003. ISBN 0881925381  -->
@@ Line 160: / Line 166: @@
 *{{wplink}}
 __NOTOC__

@@ Line 1: / Line 1: @@
 {{SPlantbox
 |common_name=Onion
 |Temp Metric=°F
 |jumpin=If this plant info box on watering; zones; height; etc. is mostly empty you can click on the edit tab and fill in the blanks!
-|image=Upload.png
+|image=Onions.jpg
 |image_width=240
 }}
 {{Inc|
 Onion. All the onions of common or general cultivation are forms of one variable species, Allium Cepa (see Allium, Volume I). It is probably native to south-western Asia, but it has been long domesticated and has varied much. Other cultivated species are A . fistulosum (Fig. 2583), A. Porrum (Fig. 2484), and A. Schoenoprasum (Fig. 2585).
@@ Line 104: / Line 156: @@
 Onion fly, or onion maggot, is one of the most severe pests when it enters the field. There seems to be but little encouragement in combating the pest. It often leaves the field as mysteriously as it appeared. This disappearance has been coincident with the application of some supposed remedy, and has consequently led to the recommending of unreliable remedies. A thorough application of ground tobacco stems down the row seems to act as an insecticide and a repellent, besides being of value as a fertilizer. Thrips attack the leaves at times, and become so numerous as to cause the tips to turn brown and finally destroy the whole leaf. Besides the insect injury they open the way for such fungi as Macrosporium. This insect may be treated successfully with kerosene emulsion, tobacco decoction, resin wash and possibly with kerosene-water mixture.
 }}
 ==External links==
@@ Line 172: / Line 161: @@
 {{stub}}
-[[Category:Categorize]]
+__NOTOC__

@@ Line 29: / Line 29: @@
 | cultivar =
 }}
-{{edit-desc}}<!--- Type GENERAL genus/plant description below this line, then delete this entire line -->
+{{Inc|
+[[Allium]] cepa, Linn. Common Onion. Tall, with large tubular lvs.: scape glaucous, much overtopping the lvs., swollen near middle; fls. white or bluish in a large globular head-like umbel: bulb not making many offsets, distinctly rounded at top and bottom. Var. bulbellifera, Bailey, has bulbels in the place of fls.,—the top, tree or Egyptian onion. Var. multiplicans, Bailey, has dividing bulbs,—the multiplier onion. Persia and adjacent regions.{{SCH}}
+}}
 ==Cultivation==
 {{edit-cult}}<!--- Type cultivation info below this line, then delete this entire line -->
@@ Line 76: / Line 57: @@
 ==References==
 <!--- xxxxx  *Flora: The Gardener's Bible, by Sean Hogan. Global Book Publishing, 2003. ISBN 0881925381  -->
 <!--- xxxxx  *American Horticultural Society: A-Z Encyclopedia of Garden Plants, by Christopher Brickell, Judith D. Zuk. 1996. ISBN 0789419432  -->

@@ Line 72: / Line 72: @@
 Image:YellowOnions.jpg|[[Yellow Onions]]
 Image:Onion Flower Head.jpg|Flower head of a yellow onion
 Image:Muck onions 8640.jpg|Onion fields
 </gallery>