Effect of irrigation cycle on quantitative and qualitative characteristics of pistachios

۲۶ بازديد
Proper irrigation and nutrition are among the most pistachio shell important issues determining management practices
 
Correct in pistachio orchards. Due to reduced water resources and increased duration
 
During irrigation, pistachio trees are exposed to drought stress
 
Sometimes it reduces yield and increases the percentage of aflatoxins in pistachio orchards.
 
Suitable irrigation cycle in surface irrigation method in spring and autumn 40-30 days and in
 
25 days in summer is recommended. According to research, regular watering
 
It causes a significant reduction in the annual rate. The most sensitive time
 
Irrigation of pistachio tree to produce optimal crop, flowering time of April and
 
The time of brain development is July. Also drought stress from mid-May to
 
Mid-June has a great effect on increasing early and cracked pistachios.
 
Regarding the effects of irrigation on early laughter in pistachio fruits and contamination
 
Various studies have been conducted related to it. Including survey results
 
Performed on the relationship between the effects of drought stress and early laughter during the season
 
The fruit development of pistachio trees indicates incomplete irrigation at the beginning of the season
 
Spring increases early laughter in pistachio fruits. As the distance increases
 
Irrigation from 25 days to 45 days, average percentage of early smiling pistachios, cracked
 
Irregular and hollow increased by 20.03%, 2.91% and 4.37%, respectively
 
Finds. As for the traits of superficial and smiling skin dryness, between
 
Irrigation cycle treatments did not differ significantly. Water cut from mid-May to
 
Mid-June caused a significant double increase in familiarity with operations
 
Planting and holding with pistachios with the amount of early smiling pistachios compared to the control treatment
 
Regular irrigation. Maximum rate of early laughter related to treatments in
 
In mid-June, they suffered from drought stress for 25 and 45 days, at a rate of 7.7
 
Percent and 9.6 percent. Whenever watering is cut off to the final stages of the growing season
 
Be close, the rate of early laughter is somewhat reduced. About pistachios
 
Irregular cracking, no definite trend reported but lack of irrigation in July
 
Increases the percentage of these pistachios.
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