Nitrogen and Boron fertilization and their relationship with Porline accumulation and the resistance of white corn to the drought .

Azeez, Huseen

	Nitrogen and Boron fertilization and their relationship with Porline accumulation and the resistance of white corn to the drought .
Journal of Research Diyala humanity
Article 1, Volume 0, Issue 37, 2017, Pages 246-265
Author
huseen azeez
Abstract
Rare studies that are concerned with the various nitrogen and boron levels and their role for reduction of negative effect of moisture stress underfield condition . Shortage of water at present and the necessity of finding the best ways that help the crops to symbiosis with water shortage , The present field experiment was carried out in spring season 2008 in muqdadia area ( East of Baa’quba ) on silty clay soil.RCBC designe in three replication was used .Three N levels ( 0, 100, 150Kg N/Ha.) and three B levels ( 0, 10, 20150Kg B/Ha.) with two moisture levels ( 75%, 100% ) of field capacity were used with two time of irriagation ( 60% and 80% of available water consumption ) . Sorghum crop ( Inqath )varity was planted. The results indicated to as follows: Superiorty of the second moisture level for increasing the proline contant in leaves and increasing the percentage of protein in leaves as compared with the first moisture level by ( 46.47% and 7.2% ) respectively. Reduction of negative moisture stress effect in plant qualitative properties by use of the second B application ( 10 Kg B/Ha.).That ,both of proline and chlorophyll contents were increased in leaves.Where as,protein content in the leaves and leaf area for the plants were increased by the percentages ( 26.63% ,7.22% ,5.2% and 9.46% ) respectively as compared with the control as amain effect for moisture levels and irrigation intervals .Third boron level ( 20 Kg B/Ha.) caused areduction of leaf chlorophyll contant,protein percentage in grains and leaf surface area perplant compared with the control treatment .Application (150Kg N/Ha.) caused an increase of chlorophyll contant in leaves,protein percentage in grains and leaf surface area perplant by ( 9.72%,11.9% and 13.59% ) respectively compared with the control treatment.Superiolty the level (150kg N/Ha.) + ( 10kg N/Ha .) for increasing the chlorophyll contants and increasing the percentage of protein in leaves and leaf area for the plant respectively colpared with other level . We can couclude from the above results that application of the nutrients under investigation could improve afunction of the plants under water stress and may be used as atechniq for increasing plant drought resistance.

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