Pear

Pyrus communis L.

Synonyms - Pirus communis

Order: Rosales

Family: Rosaceae

Names:

Pyrus
Communis
Pear

Summary:

A deciduous tree producing yellow pear shaped fruit.

Description:

Cotyledons:

Two.

Leaves:

Stipules -
Petiole -
Blade -

Stems:

Flower head:

Flowers:

Ovary -
Sepals -
Petals -
Stamens -
Anthers -

Fruit:

Pear shaped, yellow, mottled.

Seeds:

Tear shaped, dark.

Roots:

Key Characters:

A deciduous tree.
The fruit is yellow and pear shaped.

Biology:

Life cycle:

Deciduous perennial tree.

Physiology:

Chilling requirement similar to Apples. Some varieties have a low chilling requirement.
More tolerant of hot conditions than Apple but more sensitive to cold injury.
Relatively tolerant to water logging.

Reproduction:

Often cross pollinated.

Flowering times:

Seed Biology and Germination:

Vegetative Propagules:

Cuttings.

Hybrids:

Many commercial varieties including Beurre Bosc, Josephine, Packham's Triumph, Williams Bon Chretien, Winter Nelis, Winter Cole.

Allelopathy:

Population Dynamics and Dispersal:

Spread mainly by intentional planting on grafted stock.

Origin and History:

Europe. Asia. North of Persia.

Distribution:

ACT, NSW, QLD, SA, TAS, VIC, WA.

Courtesy Australia's Virtual Herbarium.

Habitats:

Climate:

Cool to warm temperate. Mediterranean.
Areas with an annual rainfall greater than 760 mm or irrigated areas.

Soil:

Wide range of soils including water logging prone soil types.

Plant Associations:

Significance:

Beneficial:

Fruit.
Pollen.

Detrimental:

Toxicity:

None recorded.

Legislation:

None.

Management and Control:

Thresholds:

Eradication strategies:

Herbicide resistance:

Biological Control:

Important pests include Two Spotted Mite, Codling Moth, Pear Leaf Blister Mite and Oyster Shell Scale.
Diseases include Black Spot and Blossom Blight.

Related plants:

Asian Pear or Nashi (Pyrus pyrifolia)
Apple (Malus domestica)

Plants of similar appearance:

References:

Lazarides, M. and Hince, B. (1993). CSIRO handbook of economic plants of Australia. (CSIRO, Melbourne). #1041.1.

Reid, R.L. (1990) The Manual of Australian Agriculture. (Butterworths, Sydney). P179.

Acknowledgments:

Collated by HerbiGuide. Phone 08 98444064 or www.herbiguide.com.au for more information.