moemeni F, Ghobadi M, Jalali-Honarmand S, Shekaari P. The response of physiological characteristics of chickpea to K and Zn fertilizers under dryland farming and supplementary irrigation conditions. Plant Process and Function 2015; 3 (9) :71-84
URL:
http://jispp.iut.ac.ir/article-1-155-en.html
1- Razi University
2- Razi University , ghobadi.m@razi.ac.ir
Abstract: (7225 Views)
This study was performed in order to evaluate the effects of supplementary irrigation and application of Zn and K fertilizers on physiological characteristics of chickpea. The experiment was conducted in a split plot-factorial using randomized complete blocks design with three replications at campus of agriculture and natural resources, Razi University, Kermanshah, Iran. Supplementary irrigation in two levels (W1= non irrigation and W2= supplementary irrigation at podding stage) was considered as main-plot on the other hand, combination treatments of Zn fertilizer in four levels (Zn1=0, Zn2=20, Zn3=40 and Zn4=60kg/ha) and K fertilizer in three levels (K1=0, K2=50 and K3=100kg/ha) were considered as sub-plots. The results showed that the effects of irrigation on all studied physiological characteristics were significant excluding chlorophyll-a and RWL. Likewise, the effect of Zn fertilizer on all parameters was significant. Moreover, the effect of K fertilizer on all parameters was significant excluding chlorophyll SPAD. Based on the results, supplementary irrigation increased the chlorophyll-a, chlorophyll-b, chlorophyll-ab and relative water content (RWC). Under drought stress condition, proline content and storage protein were more than supplementary irrigation treatment. In the same way, application of K fertilizer improved all parameters excluding RWC. Application of 40kg Zn fertilizer improved all parameters in chickpea. In irrigation condition and already application of Zn and K fertilizers as much as optimum amount plant had a good physiological status and produced highest yield, too.
Type of Study:
Research |
Subject:
Droughts Stress Received: 2013/11/11 | Accepted: 2014/06/7 | Published: 2015/01/3
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