RELATION OF IRRIGATION WATR SALINITY TO OLIVE LEAVES CONTENT OF PROLINE AND MINERAL NUTRIENTS

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20/10/2014 10:49 AM

RELATION OF IRRIGATION WATR SALINITY TO OLIVE LEAVES CONTENT OF PROLINE AND MINERAL NUTRIENTS


 
Moayad R. Abood
Manar A. F. Hassan
Dept. of Horticulture - College of Agriculture - University of Baghdad


ABSTRACT


experiment was conducted in the lath house, Department of Horticulture, College of Agriculture, Universityof Baghdad. to study the influence of water salinity levels on chlorophyll, proline and nutrient elementscontent in olive leaves .Olive seedlings two years old were planted in containers with capacity of 18 kg growing media. the experiment included 36 treatment .with two experiment of factors , fours levels of water salinity 2,4,6,8 dsm-1 and three cvs., Khudari ,Sorrani and Kassi. The influence of these two factors and their interaction on chlorophyll ,proline and nutrient elements content in the leavesof olive seedling were studied. Chlorophyll content in olive leaveswas increased by 22.1 when Sorrani variety was irrigated with saline water at 2 dsm-1 while the lowest chlorophyll of 18.1 was found when Khudri variety were irrigated with 8 dsm-1salinity levels .the salinity levels also significantly influenced proline content in the leaves. The highest increment in proline content of 1075 found when Sorrani cv., were irrigated with water at 8 dsm-1 salinity level, while the lowest increment of 91.40 found when Khudarri cv. was irrigated with 2 dsm-1 water salinity. The salinity level of irrigation water significantly influenced the nitrogen, phosphorus ,potassium, calcium amagnesium content in olive leaves .Irrigation with water at 2 ds. m-1 salinity level gave significantly highest increment of 54.4,64.1,230.7,49.4 and 107.6 respectively in the Sorrani cv. ,while water salinity of 8 ds.m-1 gave the lowest increment of thes parameters 36.0, 39.0,69.7,0.518 and 33.0 respectively in the Khudari cv. .The water salinity levels significantly influenced sodium and chloride content in olive leaves the highest increment of 111.2 and 122.0 were found when water salinity of 8 ds.m-1 was used to irrigated Khudari cv. seedling while the lowest increment of 52.6and 54.9 were found when seedling of Sorrani cv. were irrigated with 2 ds.m-1 water salinity respectively



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