The effect of putrescine foliar application on physiologic characteristics of wheat Tiriticum aestivum var sw-82-9 under cut irrigation stress
Message:
Abstract:
This experiment was conducted to effect of putrescine foliar application on physiologic characteristics of wheat (Tiriticum aestivum var sw-82-9) under water deficit stress as split pilot arrangement and randomized complete block design with three replication ( 12 plots) at Islamic Azad University farm. The main split including four irrigation levels: normal irrigation, withholding irrigation in stem elongation , withholding irrigation in flowering and withholding irrigation in grain filling and the secondary plot including foliar application with purred water, Putrescine foliar applications with 75 and 150 ppm.The maximum protein yield and percent was in grain filling and foliar application of putrescine (150 ppm) with 509.8 kg.ha-1 and 8.61% whereas minimum protein yield was in withholding irrigation in flowering with 387.03 and 6.5 % .Withholding irrigation in different stages of plant lifespan decreased chlorophyll a,b , a contents and relative water contents whereas increased protein content, proline and electrical conductivity. Putrescine foliar applications with 150 ppm improved all the mentioned characteristics to normal irrigation.
Language:
Persian
Published:
Iranian Journal of Dynamic Agriculture, Volume:13 Issue:1, 2016
Page:
63
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