An experiment was carried out at the Glass House at the Faculty of Agriculture, Anbar University for the 2016-2017 season. Where the addition of nano-iron and dry yeast extract to evaluate the response of maize productivity to five levels of nano-iron, which is 0, 25,50, 75 and 100 mg, were sprayed on the leaves, and the yeast extract at three levels 0, 100 and 150 grams per liter spray on the leaves. The results showed the superiority of the treatments that were sprayed with nanoparticles with the highest rate of chlorophyll, the seed protein ratio and the percentage of seed oil. Significant levels were also recorded when spraying the plants with dry yeast extract. The interactions of 100 mg of nanotube and 60 g / l dry yeast extract characterized by the highest rate of chlorophyll, the oil content in the seeds (%) and the protein rate in the seeds (%) compared to other transactions.
A field experiment was conducted in a farmer field in Alneaamia region/Fullujah/Anbar governorate, during the winter season 2012-2013. Seed of four cultivars of durum wheat (Abu-Gariab, Aliraq, Tahady and Alezz) was planting under three planting rates (100, 130 and 160 kg.ha -1 ). Split plot arrangements in RCBD مجلة األنبار مجلد اعية الزر للعلوم 31 العدد 3 ، 5132
Two field experiments were conducted during spring and autumn season of 2020, which were carried out at the Research Station of the College of Agriculture, Anbar University, in the first season The lines were introduced into the Half Diallel cross-program according to the second method proposed by [24]. the second season the experiment was applied during the autumn season of 2020 in a split-block arrangement according to a randomized completely -block design with three replications. The main block included the plant density, which was expressed through the distance between the holes. While the secondary block occupied the genotypes (lines + crosses). The results of the analysis showed that there were significant differences between densities and genotypes.The cross 3 × 5 was distinguished by giving the least number of days to tasseling. It also gave the highest plant height 188.60 cm, number of rows / heads 15.5, and the highest yield 19.54 tons / hectare. The cross 1× 5 showed the highest leaf area 5925 cm, while the cross 4×5 and 3×4 showed the highest average number of kernels / row 39.33 and 38.97. The cross 1×4 also distinguished with the highest weight of 300 grains. Cultivated plants with a density 62,500 plants / hectare were distinguished by giving them the fewest days to flower, the highest plant height, leaf area, number of rows, number of grains / row and weight of 300 grains. While the yield was low at 14.93 compared to the plants that cultivated at a density of 125,500 plants / hectare, the reason for this is that the increase in the number of plants per unit area was replaced by the decrease in the yield components.
To study the response of yield and its components and grains quality of some maize genotypes to foliar spraying, two field experiments were carried out at the Experimental Station Farm, Faculty of Agriculture,, Egypt, during the 2017 and 2018 seasons. Each experiment was carried out in a strip-plot design with four replications. The vertical-plots were assigned with maize genotypes i.e. Three Way Cross 324, Single Cross 128, and Single Cross 131. The horizontal-plots were occupied with foliar spraying treatments i.e. without, foliar spraying with; commercial fertilizer Fert-plus powder, amino acids, yeast extract, and the mixture Fert-plus powder + amino acids + yeast extract. The results showed that genotype 131 surpassed other studied genotype and recorded 100-grain weight, grain yield/ha, and total carbohydrates percentage in grains in both seasons. genotype 128 registered the tallest plants and the highest values of stover yield/ha and crude protein and oil percentages in grains in both seasons. Foliar spraying maize plants three times with the mixture treatment produced the highest values of growth, yields and its attributes and grains quality characters followed by, yeast extract then commercial fertilizer Fert-plus powder as a source of NPK and amino acids in both seasons. It can be concluded that foliar fertilizing maize genotype 131 or 128 with the mixture Fert-plus powder at the rate of 4 g/liter + amino acids at the rate of 2.5 ml/liter + yeast extract at the rate of 100 ml/liter water in each spraying in order to maximize productivity and grains quality under the environmental conditions of the research area.
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