Actinidia arguta

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Actinidia arguta (Siebold & Zucc.) Planch. ex Miq.

Actinidiaceae

Life form: climber
Usage: economic plant / Usage: ornamental plant

Exposure: sun   5

Moisture: moist

Soil: sandy loam - Soil: sandy clay - Soil: loamy clay - Soil: peat

Arrangement: alternate
Leaves: decidious

Shape: ovate

Division: simple

    

Shape: cup-shaped
Fruit: berry

VI

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Inflorescence: cluster

Petals: single
Habit: not specified

Growth form: not specified

Taxonomy

Divisio:
Magnoliophyta
Subdivisio:
Magnoliophytina
Classis:
Rosopsida
Subclassis:
Dilleniidae
Superordo:
Ericanae
Ordo:
Actinidiales

Actinidia arguta, commonly known as tara vine, is a climber.

Naming

Actinidia arguta was described by Friedrich Anton Wilhelm Miquel in 1867. The name is considered as validly published.

Taxonomy

Actinidia arguta is a species in the genus Actinidia which contains approximately 86 to 89 species and belongs to the family of the Actinidiaceae (Chinese-goosberry Family).

Characteristics

Growth

The climbers are comparatively fast-growing and reach heights of 6 to 7 metres. The plants reach a width of 1.5 to 2 metres.

Leaves

Actinidia arguta is deciduous. The green, simple leaves are alternate. They are ovate and petiolate with denticulate margins and pinnate venation. The surface of the leaves is pilose. They turn an attractive yellow in autumn.

Flowers and Fruits

Actinidia arguta produces cluster of white cup-shaped flowers in June. The plants flower on older shoots. They are dioecious.

The climbers produce green berries in autumn. The fruits have a sweetish taste.

Root System

The plants form shallow roots.

Distribution

Actinidia arguta is native to East Asia.

Cultivation

The climbers prefer a sunny situation on moist soil. The substrate should be sandy-loamy, sandy clay, loamy clay or peaty soil with a pH between 6,5 and 7,5. They tolerate temperatures down to -29°C (USDA zone 5).

Tolerance of special soil conditions

  • high: city climate

Uses

The ornamental value of Actinidia arguta lies especially in its fragrance.

Maintenance and Propagation

The plants usually require only a moderate amount of maintenance.


Cultivars

Pests and Diseases

Cankers indicate an infection with fireblight. Generously remove affected parts and destroy them.

Leaf blotches are a sign of a fungal or bacterial infection. Bacterial spots are rather angular and yellow-rimmed while fungal spots usually are rather rounded with an area of fruiting bodies. Destroy affected parts, additionaly apply fungizide it is is a fungal infection.

Fine webs on the plants indicate an infestation with red spider mites. These sap-sucking insects mainly appear under glass and can be controlled either with insecticide or biologically with parasitic mites.

Distorted and discoloured leaves indicate an infestation with eelworms. Infected plants usually die and should be destroyed.

Sudden wilting and pale green discolouration indicate a fungal infection (phytophthora). Remove infected plants. Avoid by improving drainage and over-fertilization.

White spots on flowers and leaves in combination with buds that do not open indicate an infestation with thrips. These insects can be controlled by improving ventilation and by watering regularly as well as by using an insecticide or biolocial pest control (predatory mites).

Literature

  • Walter Erhardt, Erich Götz, Nils Bödeker, Siegmund Seybold: Der große Zander. Eugen Ulmer KG, Stuttgart 2008, ISBN 978-3-8001-5406-7. (Ger.)
  • Christoper Brickell (Editor-in-chief): RHS A-Z Encyclopedia of Garden Plants. Third edition. Dorling Kindersley, London 2003, ISBN 0-7513-3738-2.

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