This insect has 5 nymphal ages and adult Iranian Pistachio psyllids are usually late
March, with the warming of the weather, get out of the winter shelters and immediately after
Swelling and opening of pistachio buds begin activity, feeding and spawning
It seems. Pistachio psyllid activity in the first three seasons of spring, summer and autumn
There is a slight difference in damage and life expectancy. So that in
When the leaves fall in the fall, some orchards are familiar with the operation
Pistachio orchards are infested with pests. The extent of pest damage in early spring and
It is less in late summer and more in early summer and when the fruits are gone.
Severe insect population density at or after pistachio kernel onset,
Disrupts the process of filling the brain. In case of severe pest damage
In addition to damage to the quality and quantity of the product, leaves and even flower and leaf buds
Next year, they will gradually fall, so that sometimes due to the fall
The intensity of next year's fruit buds will also affect the yield of the coming years.
Nymphs of different ages of the pest are the main damaging stage of the pest and are made of sap
They feed on plants. The nymphs excrete a lot of juice into it
It is also called sugar. This pest has at least 5 generations per year and
It overwinters as full-grown winter insects under leaves and clumps
Garden surface gaps between tree trunks, wall crevices and other shelters
Expires. The average duration of egg hatching is 20 to 25 days
It takes. Of course, in summer and with warmer weather and moderate increase
The temperature decreases at this time.
How to fight Using several fighting methods including biological control, yellow cards,
Chemical control and the use of agricultural operations are effective.
:: برچسبها:
Iranian Pistachio ,
:: بازدید از این مطلب : 203
|
امتیاز مطلب : 0
|
تعداد امتیازدهندگان : 0
|
مجموع امتیاز : 0