The term used to describe plants that produce seeds without fertilisation. Examples include the greenhouse cucumber or cultivated banana.
parthenocarpic Development of fruit without fertilization.
pathogen Any organism that causes disease. Generally applied to bacteria, viruses, fungi, nematodes, and parasitic plants.
pathology The study of diseases.
Parthenocarpic fruit Fruit produced without fertilization. Partially self-ferile A heavier fruit crop is set when two or more varieties are planted nearby. Ped An individual, natural soil aggregate such as crumb, prism, or granule.
(This quality, called by the fancy name of "parthenocarpic," also means that these tomatoes are naturally seedless, at least early in the season.) If you live in an area with unusually cool, cloudy weather, ...
The most foolproof method is to pick a cucumber that sets fruit "parthenocarpically," meaning without pollination. One of the best varieties of this type for containers is 'Arkansas Little Leaf' (also called 'H-19 Little Leaf').
Figs - Set fruit without pollination (parthenocarpic fruit set).
Blueberries - Plant two or three different varieties for maximum production.
Blackberries - Blackberries are self-fruitful.
`Sweet Success' slicing cucumber and `County Fair 83' pickling cucumber are parthenocarpic varieties. They develop fruits without pollination. If pollinated, the fruit may be misshapen.
Other Types of Cukes
Photograph courtesy of Judy Sedbrook.
Lacking pistils or stamens; agamic plants reproduce via asexual or parthenocarpic means
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Advanced breeding has led to some cucumber varieties that are parthenocarpic, meaning fruits will set without pollination. Others are gynoecious, which means they have only female flowers.
Flowers: Yellow and usually monoecious, requiring both male and female blossoms to produce fruits. Newer hybrids are being bred to be parthenocarpic, with only female blossoms that don't require pollination.
Although most hollies require both a male and female plant to attain the bright red berries, Nellie Stevens is an exception to this rule. The plant is called a parthenocarpic plant, and does not require a male cultivar to set fruit.
Celeste, Brown Turkey, Hardy Chicago, Brunswick, Marseilles, and Osborne are some of the most winter hardy cultivars which perform well in Maryland. All are seedless, producing their fruits parthenocarpically.
See also: Plant, Water, Flower, Soil, Variety