Academic Research Journal of Agricultural Science and Research

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Academic Research Journal of Agricultural Science and Research 

Vol. 3(6), pp. 107-110. June, 2015.

ISSN: 2360-7874 

 DOI: 10.14662/ARJASR2015.017


Full Length Research

Effect of late blight caused by Phytophthora infestans (Mont.) de Bary on calcium content in leaves of advanced potato lines/cultivars


Muhammad Nasir Subhani1*, Shahbaz Talib Sahi2, Abdul Rehman2 and Waqas Wakil3


1 Institute of Agricultural Sciences, University of the Punjab, Lahore, Pakistan

2 Department of Plant Pathology, University of Agriculture, Faisalabad, Pakistan

3Department of Agri. Entomology, University of Agriculture, Faisalabad, Pakistan


*For Correspondence:  


Accepted 6 April 2015



Minerals are the crucial part of plant nutrition and their presence in excess or deficiencies may cause certain maladies in the plants either through disturbing metabolism or plant physiology abnormally by favoring the plant pathogens or discouraging the plant growth. Potassium provides, stress such as frost and disease tolerance ability to potato plants. Calcium content was tested from three different samples taken at different times, first after 50 days of planting of the crop when there was no disease appeared while second samples were taken from healthy and diseased plant individually, almost 30 days after the first appearance of the symptoms on late blight. Results of present study revealed that there was an overall increase in the quantity of calcium in all tested lines after disease appearance. This increase was ranged from 0.4 to 45.5 percent over the healthy plants of that same age group. Maximum increase of 45.5 percent in calcium content after disease appearance was observed in potato line FD 70-1, while 0.4 percent decrease of calcium content was observed in line FD 35-36. Increase in calcium content was also observed in the healthy plants of all potato lines/cultivars which were not infected by the disease but this increase might be due to aging factor and was quit insignificant and unnoticeable. This increase in calcium content of diseased plant in all lines/cultivars was statistically significant. All though the calcium content was slightly increased in the plants which were not diseased than that of healthy plants which were tested at the time when disease was not appeared. It is apparent from the above figures that the increase in calcium content was more pronounced in moderately resistant to moderately susceptible plants as compared to highly susceptible plants.

Key Words: Potato, late blight, resistance, Calcium, Phytophthora infestans, mineral content, disease severity


How to cite this article: Subhani1 MN, Sahi ST,  Rehman A,  Wakil W (2015). Effect of late blight caused by Phytophthora infestans (Mont.) de Bary on calcium content in leaves of advanced potato lines/cultivars . Acad. Res. J. Agri. Sci. Res.  3(6):107-110. 




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