Paper Information

Journal:   IRANIAN JOURNAL OF SOIL AND WATERS SCIENCES   2004 , Volume 18 , Number 1; Page(s) 0 To 0.
 
Paper: 

GRAPE RESPONSE TO DIFFERENT SOIL MOISTURE REGIMES

 
 
Author(s):  ZABIHI H.R., AZARPAJOUH E.
 
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Abstract: 
Proper irrigation management by optimizing the time and quantity of water application plays an important role in determining fruit yield and quality of grape. The present study was conducted to find out the best irrigation scheduling for Peykani grape. The main objectives were to improve yield and quality of this crop. A field experiment was carried out using six irrigation treatments designed based on different phenological stages of grape in 4 replications. This experiment.was conducted using Randomized Complete Block Design in Kashmar region during 1997-2000. Grapes were harvested when the amount of soluble solids reached a value of 20-21. Then physical tests were run including yield, length and weight of grape. Chemical tests were conducted to measure the soluble solids, titrable acid, percent moisture and pH of grape. The results showed that different irrigation schedules had a significant effect on fruit yield and quality. Maximum yield recorded (30.1 t/ha) was obtained from the following treatment: one irrigation at winter followed by another one before blooming, the next irrigation was on 23rd of May after flowering; followed by 20 day interval irrigation periods, applied untill harvest. The effect of irrigation treatments had a significant effect on physical and chemical tests at =5% and the maximum amount of length, weight and soluble solids were obtained from the treatment mentioned above.
 
Keyword(s): GRAPE, WATER USE EFFICIENCY
 
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