Fertilization using potassium fertilizers will increase the resistance of pistachio trees to Iranian Pistachio various stresses including salinity, water shortage and frost, as well as increase resistance to various pests and diseases.

If there is enough potassium in pistachio trees, the number of spikes and seeds, as well as the percentage of laughter and dry weight of seeds in pistachios will increase significantly. The point to consider about potassium is that the deficiency of this element is observed almost in most pistachio orchards in the country.

The main symptom of potassium deficiency in pistachio trees is leaf margin burns; It should be noted, however, that this burn was never seen early in the season, but rather becomes apparent over time. Other consequences of potassium deficiency include sunburn and reduced fruit ripening.

Many farmers and even experts confuse potassium deficiency with salinity stress. The difference between the two is that in salinity stress, unlike potassium deficiency, there is no blackening (or necrosis) of the leaf margins.

Pollination and transfer of male pollen to female flowers ready for Iranian Pistachio inoculation is done by wind. Insects do not play an important and effective role in this transfer. The female flower of the pistachio tree lacks the odor, nectar and special coloration needed to attract insects. Due to the dual base of the pistachio tree, the presence of a male tree is essential for pollination of the pistachio tree.

The presence of wind is a key factor in the movement of male pollen. If it rains or the relative humidity is high during the pollination season, the male pollen grains become swollen and heavy with moisture absorption and the inoculation process becomes difficult.

For this reason, it is recommended to spray or fertilize the leaves at the time of pollination and during one step. Make sure that the male trees are not sprayed during this stage. After rain or foliar application, male trees are unable to produce pollen for at least two to three days.

Female flowers that have not been inoculated will shed in the millet stage. Therefore, vacancy at the end of the season (at harvest time) has nothing to do with pollination at the beginning of the season.

It should be noted that most fruits such as kiwi, apple, orange, sweet Iranian Pistachio lemon and other fruits can be used in all seasons to make enough use of these fruits in very thin leaves and put on the stove and Or dry them in the oven. If they are not dried properly, they will spoil the fruit.

Compounds and vitamins that are found in healthy and fresh fruit are found in dried fruit. Dried orange fruit has antioxidants that help blood cholesterol and also contains magnesium, calcium, iron and zinc. The food is very tasty and delicious

It is used to treat many diseases. Its dried skin can be used inside cakes and sweets, as well as to keep fish crisp, and it is also very useful for preventing cardiovascular diseases.

It has anti-cancer properties, helps digest food and helps the body's digestive system, and also its consumption makes the skin fresh and soft. Oranges have a lot of water, so it is diuretic and prevents kidney stones, and for people who have body energy. They have lost their body due to disease. They can use natural orange juice to supply their body with water.

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The psyllophagus is one of the most important natural enemies of the psyllid. The bee Iranian Pistachio psylaphagus attacks all ages of psyllid nymphs, and the bee pups grow well inside the body of the psyllid nymphs. Features of this bee has high search power and finds its host quickly.

The psyllophagus bee spends the winter inside the mummified psyllid nymphs on the leaves of the pistachio tree as pupae. The leaves fall off in the fall, resulting in bee pupae inside the mummified nymph. The nymph also falls off along with the leaves. Begins its reproduction.

Since it is not possible to breed and release this beneficial bee, so the only possible way to support these beneficial insects is by doing less spraying and using low-risk pesticides for bees and proper farming operations in the garden. Preserving these beneficial insects is recommended to do proper plowing.

Plowing is said to be done between rows and to remain intact along the crown of the tree, where the leaves usually contain psyllophagous pupae.

Direct purchase of quality dried fruit is an exceptional opportunity for the fans of this Iranian Pistachio product to face the reasonable and real price of the product, because in the meantime, it is news that there is no rotation and hands-on, so people buy this product at their real price. .

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Pistachio is one of the most successful plants imported to America in the Iranian Pistachio twentieth century. Pistachio, native to West Asia, Asia Minor, is a place where large wild habitats are still found in the hot and dry conditions of Lebanon, Palestine, Syria, Iran, Iraq, India and southern Europe, and the desert countries of Asia and Africa.

Pistachios entered Europe early in the beginning of AD. The first introduction of pistachios to the United States by the USDA (Plant Identification Service) was in 1890. In 1904, he first arrived in California at the Chico California Plant Introduction Station in northern Sacramento Valley.

Recognition of pistachio psyllid pest (dry sap)

It causes a lot of damage to domestic and wild pistachios. Iranian Pistachio This insect excretes a lot of honey, which dries and whitens quickly in the presence of air, so this pest is called dry sap in the local language. Biology Adult overwintering insects Psyllids settle on trees from early April.

These insects have more flight power than adult summer insects, causing more contamination in gardens. After mating, as soon as the buds of the clusters and leaves open, they lay eggs on them. The eggs are laid in numbers of 50 to 60, individually or in groups, in various shapes such as semicircles, spirals, etc. on the leaf surface and more close to the petals.

The eggs usually hatch in 5 to 10 days. The nymphs start working and feeding in early May. The nymphal period is usually 20 days and the first generation of adult insects appear in large numbers in the garden from the end of the second decade of May. Different pistachio cultivars have different susceptibility to pistachio psyllid contamination.

In general, the thinner, softer, wider, and larger the leaves of trees, the greater the tendency to attract adult psyllids and spawn. Akbari cultivar is more sensitive than other cultivars and Ouhadi cultivar is more resistant.