AI Article Synopsis
- Fusarium crown rot and wheat sharp eyespot are significant soil-borne diseases affecting wheat production in China, leading to substantial yield losses.
- High-throughput sequencing and qPCR were used to analyze the impact of treating winter wheat seeds with either Trichoderma atroviride HB20111 or a chemical fungicide (tebuconazole) on the fungal community in the soil, showing that both treatments effectively reduced the harmful pathogen Fusarium pseudograminearum.
- The application of T. atroviride HB20111 not only decreased disease incidence by 60.1%, surpassing the chemical treatment, but also resulted in a 7.7% increase in wheat yield, indicating its potential as a viable alternative to chemical fungicides for
Article Abstract
Fusarium crown rot and wheat sharp eyespot are major soil-borne diseases of wheat, causing serious losses to wheat yield in China. We applied high-throughput sequencing combined with qPCR to determine the effect of winter wheat seed dressing, with either Trichoderma atroviride HB20111 spore suspension or a chemical fungicide consisting of 6% tebuconazole, on the fungal community composition and absolute content of pathogens Fusarium pseudograminearum and Rhizoctonia cerealis in the rhizosphere at 180 days after planting. The results showed that the Trichoderma and chemical fungicide significantly reduced the amount of F. pseudograminearum in the rhizosphere soil (p < 0.05), and also changed the composition and structure of the fungal community. In addition, field disease investigation and yield measurement showed that T. atroviride HB20111 treatment reduced the whiteheads with an average control effect of 60.1%, 14.9% higher than the chemical treatment; T. atroviride HB20111 increased yield by 7.7%, which was slightly more than the chemical treatment. Therefore, T. atroviride HB20111 was found to have the potential to replace chemical fungicides to control an extended range of soil-borne diseases of wheat and to improve wheat yield.
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| http://www.ncbi.nlm.nih.gov/pmc/articles/PMC9188553 | PMC |
| http://dx.doi.org/10.1038/s41598-022-13669-1 | DOI Listing |
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