Ahmed, H., Mahdy, A. (2019). Influence of Sowing Dates, Nitrogen Fertilizer under Low Rates and Foliar with Boron on Production and Quality of Wheat. Journal of Plant Production, 10(2), 81-91. doi: 10.21608/jpp.2019.36237
H. A. Ahmed; A. Y. Mahdy. "Influence of Sowing Dates, Nitrogen Fertilizer under Low Rates and Foliar with Boron on Production and Quality of Wheat". Journal of Plant Production, 10, 2, 2019, 81-91. doi: 10.21608/jpp.2019.36237
Ahmed, H., Mahdy, A. (2019). 'Influence of Sowing Dates, Nitrogen Fertilizer under Low Rates and Foliar with Boron on Production and Quality of Wheat', Journal of Plant Production, 10(2), pp. 81-91. doi: 10.21608/jpp.2019.36237
Ahmed, H., Mahdy, A. Influence of Sowing Dates, Nitrogen Fertilizer under Low Rates and Foliar with Boron on Production and Quality of Wheat. Journal of Plant Production, 2019; 10(2): 81-91. doi: 10.21608/jpp.2019.36237
Influence of Sowing Dates, Nitrogen Fertilizer under Low Rates and Foliar with Boron on Production and Quality of Wheat
Department. of Agron., Fac. of Agric., Al-Azhar Univ., Assiut, Egypt.
Abstract
The present work was conducted at the Experimental Farm of the Agriculture Research Center in Al-Azhar Univ. at Assiut, Governorate during 2016/2017 and 2017/2018 seasons to study the effect of three sowing dates (1st November, 15th November and 1st December), nitrogen fertilizer three rates (30, 50 and 70 kg N /fad.) and foliar application with boron (control, 50 and 100 ppm( on the production and quality of wheat (cv. Sids-12). The experiments were performed in a split-split plot design with replicates three, where sowing dates were assigned to the main plot, while nitrogen rates and boron were distributed randomly in the sub and sub-sub plot, respectively.The obtained results showed that sowing dates significant effect in plant height, flag leaf area, number of grains/spike, 1000-grains weight (g) and carbohydrate percentage in both seasons, except number of spikes/m2 in the second season only, as well as grain yields ton/fad in the first season only. On the otherhand, number of tillers/plant, straw yield ton/fad. and protein percentage didn't show significant effects in both seasons. In generally, sown wheat in 15- November produced the highest values in all studied traits except of 1000-grains weight (g), in the first season only from sowing on 1- December. Increasing the level of nitrogen fertilizer from 30 or 50 to 70 kg N /fad. caused a significant increases in all traits under study in both seasons, except straw yield ton/fad. in the second season only. Foliar application with boron significant increases in all studied characters, i.e. plant height, no., of tillers/plant, flag leaf area, no. of spikes/m2, number of grains/spike and 1000-grains weight (g) as well as grain and straw yields/fad. Also, such treatment increased protein and carbohydrate percentages of wheat grains.In general, the highest value of grain yield/ fad. and quality were obtained from sowing wheat on the 15th Nov. when received 70 N / fad. and boron foliar application concentration of 100 ppm under Assiut conditions.
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