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Paper Information

Journal:   PLANT ECOPHYSIOLOGY (ARSANJAN BRANCH)   spring 2017 , Volume 9 , Number 28 #b00525; Page(s) 79 To 90.
 
Paper: 

Effect of titanium nano particles and different irrigation levels on photosynthetic pigments, proline, soluble carbohydrates and growth parameters of Purslane

 
 
Author(s):  Sartip h., SIROUSMEHR A.R.*
 
* Department of Agronomy, Agriculture Faculty, Zabol University, Zabol, Iran
 
Abstract: 
Soil moisture deficiency is the most important factors of plant growth and development inhibiting. To evaluate the effect of foliar application of titanium dioxide nano particles on Purslane some physiological and morphological traits under different irrigation levels was done a factorial experiment in a completely randomized design with three replications. Experimental factors were including of three levels irrigation 60, 80 and 100 percent of field capacity and sprayed titanium dioxide nano particles in the 6-8 leaf stage at four levels 0, 1, 2 and 3 mg. l-1, respectively. The result showed that irrigation levels was significant in all traits in 1 percent level and it cause to reduce the total chlorophyll content and increase the amount of soluble carbohydrates and proline. The maximum amount of total chlorophyll content 32. 36 mg. g-1 of fresh leaf was obtained in treatment of 100 percent of field capacity and lowest amount it 13. 42 mg. g-1 of fresh leaf was obtained in treatment of 60 percent of field capacity, respectively. Sprayed of titanium dioxide nano particles was also significant on the most traits and increases the total chlorophyll and fresh and dry weight of Purslane. The maximum amount of the fresh weight of shrub 21. 61 g in the 3 mg. l-1 sprayed of titanium dioxide nano particles treatment and the minimum fresh weight 17. 16 g was obtained control treatment (spraying with distilled water). The results showed the use of nanoparticles of titanium dioxide, increased significantly chlorophyll (a) and dry weight the purslane.
 
Keyword(s): drought stress,dry weight,beneficial elements and chlorophyll
 
References: 
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