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Grias cauliflora, the anchovy pear, [3] [4] [5] (also called the river pear) is an evergreen fruit tree native to Jamaica, Central America, and Colombia. It is often found near rivers or marshes in large colonies.
They are small to medium-sized trees, growing to 5–15 m (16–49 ft) tall. The leaves are evergreen, alternate , simple, broad lanceolate , very large, up to 1 m (3 ft 3 in) long, with an entire or waved margin.
Black spot (of Japanese pear) Alternaria alternata. Blister canker Helminthosporium papulosum. Blister disease Coniothecium chomatosporum: Blue mold rot Penicillium spp. Penicillium expansum. Botrytis spur and blossom blight Botrytis cinerea Botryotinia fuckeliana [teleomorph] Brown rot Monilinia fructicola Monilinia laxa. Cladosporium fruit rot
In the Belgian province of Limburg, one of the orchards in the country's pear-growing heartland stands out as unusual: a cluster of 12 transparent domes, perched high by a mirrored wall above the ...
Common name Synonyms Image Origin First developed and introduced Comment Use and Cold storage [2] [3] Harvest (days from full bloom) [4] [5] [6] and Fireblight susceptibility [7] [8] F1 =very resistant, F5 = very susceptible. Abate Fetel [9] Abbé Fetel France 1869 Scab susceptible. A major cultivar in Italy [10] Eating -1 o C 90 days 140–165 F3
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Psylla pyri damages pear trees by sucking the plant sap; leaves are yellowed and distorted and flower buds and fruitlets are shed. The excess honeydew produced by the insects coats the leaves, covering up the stomata, and encourages the growth of sooty mould. The size of fruit is decreased and tree growth is diminished. [2]
In southern Germany apple and pear trees have been a part of the landscape for a long time, and are difficult to protect. The decline of apple and pear trees from their landscape can be expensive to replace and could have a negative effect on tourism. In the long-run, fire blight is a very important factor of economy and society. [citation needed]