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首页> 外文期刊>African Journal of Biotechnology >Induced systemic resistance and promotion of wheat and barley plants growth by biotic and non-biotic agents against barley yellow dwarf virus
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Induced systemic resistance and promotion of wheat and barley plants growth by biotic and non-biotic agents against barley yellow dwarf virus

机译：生物和非生物制剂对大麦黄矮病毒的全身抗性和促进小麦和大麦植物的生长

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Barley yellow dwarf virus (BYDV) is an important virus infecting wheat and barley plants and transmitted by several species of aphids in Iraq.?Pseudomonas fluorescence?and?Azospirillum irakense?at 108?CFU/ml, Sea force extract and Elsa fungicide at 1 ml/L were used to induce resistance in the plant against BYDV. The four elements were applied before and after virus-plant inoculation. Results show that all elements stimulated plant growth as estimated by plant heights and chlorophyll concentrations, and elicited significant reduction in disease incidence as determine by BYDV-disease scoring symptoms. The applications of these elements twice (before and after virus inoculation) were found to be more efficient in promoting plant growth and reducing virus disease score. The plant heights, chlorophyll concentrations and BYDV-disease scores were 82.25, 85.59, 74.38, 76.26 cm, 54.19, 45.81, 47.98, 47.85 μg/cm2?and 2.0, 3.2, 2.8, 3.3 for?P. fluorescence,?A. irakense, Sea force extract, and Elsa fungicide treatments, respectively as compared to 62.08 cm, 38.10 μg/cm2?and 1.2 in control treatments for the same parameters.?P. fluorescence?was more efficient in reducing disease incidence (2.0) as compared to 3.2 with?A. irakense, 2.8 with?Sea?force extract, 3.3 with Elsa, and 5.4 with control. The partially resistant lines, (IBA 99, Arivate and Karonea) were found to be more responsive to treatments than the susceptible ones (Hashmia and Kara).
机译：大麦黄矮病毒（BYDV）是一种重要的病毒，感染小麦和大麦植物，并通过伊拉克的几种蚜虫传播。假单胞菌荧光和伊索螺旋藻（Asespirillum irakense）为108 CFU / ml，海洋提取物和Elsa杀菌剂为1 ml / L用于诱导植物对BYDV的抗性。在病毒植物接种之前和之后应用了这四个要素。结果表明，根据植物高度和叶绿素浓度估算，所有元素均能刺激植物生长，并通过BYDV疾病评分症状确定，可显着降低疾病发病率。发现在病毒接种之前和之后两次施用这些元素在促进植物生长和降低病毒病评分方面更为有效。株高，株高，叶绿素浓度和BYDV病分分别为82.25、85.59、74.38、76.26 cm，54.19、45.81、47.98、47.85μg/ cm2？和2.0、3.2、2.8、3.3。荧光强度对于相同参数，伊拉克拉肯斯，海力提取物和Elsa杀菌剂处理分别为62.08 cm，38.10μg/ cm2？和1.2。与使用A的3.2相比，荧光粉在减少疾病发生率（2.0）方面更为有效。 irakense，海力提取物2.8，Elsa 3.3，对照品5.4。发现部分耐药株（IBA 99，Arivate和Karonea）比易感株（Hashmia和Kara）对治疗的反应更敏感。

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