RESPONSE OF SOME CULTIVARS WHEAT (TRITICUM AESTIVUM L.) TREATED WITH AZOTOBACTER VINELANDII MUTANTS UNDER MINIA REGION CONDITIONS, EGYPT

G. Aml, O. Dakhly
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Abstract

This study aim evaluation response nine wheat cultivars to treat by with three strains of Azotobacter bacteria (Azotobacter wild type, histidineless and histidineless × threonineless) in two seasons 2020/2021 and 2021/2022. Results confirmed that, treated wheat cultivars by Azotobacter histidineless (M2) recorded the highest mean on growth characters: Plant height (104.05 and 106.40 cm), number of tillers/plant (9.43 and 9.74), spike length (11.11 and 11.10 cm), number of spikelets / spike (20.46 and 20.67), 1000 grain weight (56.41 and 56.81 g), biological yield (6.96 and 7.14 ton/fed) and harvest index (38.68 and 40.65%) in seasons 2020/2021 and 2021/2022, respectively. While Sakha 95 cultivar was recorded the highest all growth character means : plant height (106.30 and 107.33cm), number of tillers/plant (9.88 and 11.33) and spike length, but Misr 1 cultivars was recorded the lowest plant height (91.26 and 91.26 cm), number of tillers/plant (8.04 and 9.05) and spike length (9.01 and 9.05 cm), biological yield (7.48 and 6.84 ton/fed) and Harvest index (41.67 and 42.75%) in seasons 2020/2021 and 2021/2022, respectively. Finally, we can summarize the results to the treatment of Sakha 95 wheat cultivars by Azotobacter histidineless record the best yield of wheat.
部分小麦品种(triticum aestivum l .)的响应埃及,在小区域条件下用葡萄色固氮菌突变体处理
本研究旨在评价在2020/2021和2021/2022两个季节,用3株固氮菌(野生型、无组氨酸型和无组氨酸×无苏氨酸型)处理9个小麦品种的反应。结果表明,在2020/2021和2021/2022两季,无组氨酸固氮菌(M2)处理小麦的生长性状中,株高(104.05和106.40 cm)、分蘖数(9.43和9.74)、穗长(11.11和11.10 cm)、穗数(20.46和20.67)、千粒重(56.41和56.81 g)、生物产量(6.96和7.14吨/次)和收获指数(38.68和40.65%)均值最高。萨哈95品种的株高(106.30和107.33cm)、分蘖数/株(9.88和11.33 cm)和穗长均最高,Misr 1品种的株高(91.26和91.26 cm)、分蘖数/株(8.04和9.05 cm)和穗长(9.01和9.05 cm)、生物产量(7.48和6.84吨/饲料)和收获指数(41.67和42.75%)在2020/2021和2021/2022季节分别最低。最后总结了对萨哈95小麦品种进行无组化固氮菌处理的结果,记录了小麦的最佳产量。
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