Culture Pistachio

Culture Pistachio

Pistachio location :

Culture Pistachio _ Pistachios should be planted in full sun. The size of the slow growing trees can be further controlled by pruning. When planting, avoid rough handling since the budded tops are easily broken away from the under stock.

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Soil :

The trees do best on soils that are deep, friable and well drained but moisture retaining. It can, however, survive in poor, stony, calcareous, highly alkaline or slightly acid, or even saline soils. The root is deeply penetrating.

Irrigation :

Pistachios will tolerate considerable drought but do best with deep, infrequent watering.

Fertilization :

Since pistachios grow slowly, they do not require large quantities of nitrogen fertilizer. A spring feeding of a complete fertilizer such as 10-10-10 NPK should be adequate.

Pruning :

Pruning can be important to commercial growers in order to shape the trees for mechanical harvesting, but less so for the home orchards. The trees should be trained to a modified central leader with 4 or 5 main scaffold limbs branching about 4 ft. from the ground. After initial training, Little pruning is needed except to remove interfering branches. Heavy pruning reduces yield.

Propagation :

The pistachio is usually propagated in California by budding or grafting selected scions onto seedling stocks of P. atlantics, P. terebinthus and P. integerrima. These rootstock species are used because of their vigor and resistance to nematodes and soil borne fungi.

Pests and diseases :

A number of fungi attack the pistachio. The most serious fungal disease in California is vertically wilt, which can quickly kill trees of varying age. Most pistachios are now grafted to vertically resistant P. integerrima rootstock. The trees are also sensitive to the oak root fungus, Armillary melee. Insect pests include the aphid, Ana pleura lentissimo and several species of leaf-footed bugs and stink bugs. The nuts are also very attractive to squirrels and some birds, including blue jays and woodpeckers.

Commercial potential :

Pistachio nuts are considered one of the prime edible nuts, along with almonds, macadamias and cashews. The production of pistachio nuts in California has increased dramatically in recent years, from some 4-1/2 million pounds in 1977 to over 80 million today. With additional promotion, production is estimated to ultimately exceed 129 million pounds.

Countries of origin :

This Table shows only a selection of the most important countries of origin and should not be thought of as exhaustive.

Europe Turkey, Greece, Italy, South of France
Africa Tunisia
Asia Iran, Afghanistan, India, Syria, Iraq
America USA (California), Mexico
Australia

Packaging :

Pistachio nuts are packaged in, among other things, wooden boxes cartons, playbacks (25-60 kg) and in jute bags (60 kg). Airtight packaging is ideal because pistachio kernels readily absorb moisture from the air, so becoming limp and beau.

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some links : http://iranfreshfruit.net