Volume 5, Issue 1 (spring 2001)                   JCPP 2001, 5(1): 93-101 | Back to browse issues page

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A. Abtahi. Response of Seedlings of Two Pistachio Cultivars to Quantity and Composition of Soil Salinity under Greenhouse Conditions. JCPP. 2001; 5 (1) :93-101
URL: http://jcpp.iut.ac.ir/article-1-216-en.html
Abstract:   (10493 Views)

The effect of soil salinity on plant growth is due to two factors, namely, increase in osmotic pressure of soil solution and the ionic composition of salt. The present experiment was conducted to obtain information about the response of pistachio (Pistacia vera L.) to salinity and ionic composition of the salt. Salinity with different relative composition of sodium chloride and sodium sulfate were applied to two pistachio cultivars, Fandoghi and Badami. Yield (dry matter of leaf and shoots produced in each pot) of plants were compared by the analysis of variances method of F and Duncan tests.

The yields of the cultivars were significantly different (P≤0.01) with Fandoghi cultivar producing less shoots and leaf and, consequently, lower total dry matter. Increasing the salinity level decreased the plant growth. Leaves were more sensitive to salinity. Increasing the ratio of sulfate salt alleviated the depressive effect of salinity such that when salinity was 100% sodium sulfate, the dry matter yield of shoots was 1.5 times and that of leaf was 1.7 times higher compared to the treatment where salinity was 100% sodium chloride. Leaf was more sensitive than shoots and, therefore, it showed a more positive response to chloride decreasing.

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Type of Study: Research | Subject: General

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