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作者（2019）在《Effects of Agro-antibiotic 211 on Related Substances Inducing Rice Resistance to Sheath Blight》一文中研究指出：[Objective] The paper was to explore the effect of agro-antibiotic 211, the active substance produced by streptomyces JD211, on rice resistance to sheath blight. [Method] Through pot experiment, the induction effect of agro-antibiotic 211 on rice resistance against sheath blight was analyzed, and the effect on phenolic metabolites and pathogenesis-related proteins were studied.[Result] The total phenol, phenylalanine ammonialyase, lignin, chitinase and β-1, 3-glucanase of rice leaves treated by agro-antibiotic 211 were slightly higher than that in control. At 96 h post treatment, the activity of β-1, 3-glucanase was 36.84% and 10.48% higher than that of blank control and CK+ Rhizoctonia solani, respectively; at120 h post treatment, the activity of phenylalanine ammonia-lyase were 42.13% and 62.28% higher than that of blank control and CK+ R. solani,respectively. The effect of agro-antibiotic 211 + R. solani was equal or slightly higher than that of Jinggangmycin + R. solani. [Conclusion] Agroantibiotic 211 induced rice resistance against sheath blight, and was closely related to the accumulation of phenolic substances and the increase of pathogenesis-related proteins.
Abstract
[Objective] The paper was to explore the effect of agro-antibiotic 211, the active substance produced by streptomyces JD211, on rice resistance to sheath blight. [Method] Through pot experiment, the induction effect of agro-antibiotic 211 on rice resistance against sheath blight was analyzed, and the effect on phenolic metabolites and pathogenesis-related proteins were studied.[Result] The total phenol, phenylalanine ammonialyase, lignin, chitinase and β-1, 3-glucanase of rice leaves treated by agro-antibiotic 211 were slightly higher than that in control. At 96 h post treatment, the activity of β-1, 3-glucanase was 36.84% and 10.48% higher than that of blank control and CK+ Rhizoctonia solani, respectively; at120 h post treatment, the activity of phenylalanine ammonia-lyase were 42.13% and 62.28% higher than that of blank control and CK+ R. solani,respectively. The effect of agro-antibiotic 211 + R. solani was equal or slightly higher than that of Jinggangmycin + R. solani. [Conclusion] Agroantibiotic 211 induced rice resistance against sheath blight, and was closely related to the accumulation of phenolic substances and the increase of pathogenesis-related proteins.
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