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Pistachio is a plant with two bases, male and female flowers Iranian Pistachio in clusters and laterally

 

They appear on annual branches (pistachio flowers without petals and tubers

 

Are nectar-producing and pollinated by wind. Although 92

 

The percentage of flowers in the inflorescence is lateral, but only 5% of them are fruit

 

These fruits become more adjacent to the tips of the lateral branches

 

they take. In contrast, only 8% of the flowers are end point (cluster end and end)

 

Occupy clusters, but 66% of them turn into fruit.

 

Therefore, the percentage of fruit set at the end of the inflorescence is higher and towards

 

The middle and base parts are reduced. Of all the flowers in the inflorescence

 

Only about 10% of them turn into fruit. Article figures from

 

In terms of flowering time are divided into three categories:

 

1. Early flowering cultivars: Koleghoochi, Mumtaz, Nogh pistachio white

 

2. Medium flower cultivars: Ahmad Aghaei, Ouhadi, Badami Zarand

 

3. Deir Gol cultivars: Akbari, Shah Pasand, Khanjari Damghan

 

The choice of pollinator should be such that its flowering peak on the second to third day

 

Flowering is a female variety. Pistachio ovaries are pollinated when the flowers open

 

Are not immature. In one study, most female flowers bloomed all day

 

Or they had reached maturity one day after all the flowers had been pollinated.

 

Flowers that were pollinated two days after flowering, only 25% of them

 

They had fertility. Flowers that are pollinated 3 days after flowering

 

Were, had little fruit and so did the flowers that 4 days after

 

Flowering, pollinated, had the least fruiting. So

 

The highest percentage of fruiting was obtained in flowers during the first two days

 

After flowering, they were pollinated. In non-pollinated flowers more than 50

 

The percentage of female flowers was incomplete. Pollen time was familiar with the operation

 

With pistachio seedlings, female flowers are important and determined after the opening of the first flowers

 

Is the quantity of the product. Production of hollow half-brain fruits of characterization

 

There are several species of pistachios. In Kerman cultivar, all fruits were pollinated

 

About 24.5% are aborted due to abortion and 3.2% are abnormal due to abortion

 

It is parthenocarpy. Although the effect of carbohydrates on the fruiting of pistachios and in

 

The result is confirmed on the amount of product, statistically significant difference between

 

The percentage of fruit formation in fertile and low-yield years has not been reported. That"s this year

 

1975 percent declared the Kerman cultivar to be 26 percent, but stated that the percentage

 

Void varies from 23 to 100% depending on the figure.

 

Production of flower buds on the growing branches of the current season and flowering and formation

 

The fruit is on annual branches. In other words, floral and exclusive

 

Flowering buds occur in the year before flowering. Inflorescence formation in

 

Leaf axis and flower primordium formation for next year"s crop in mid-year

 

It takes place from April to early May.

 

Flower buds are larger than vegetative buds and their tips are curved

 

There are more that are easily recognizable under normal circumstances.