Journal
PLANT PROTECTION SCIENCE
Volume 53, Issue 2, Pages 101-107Publisher
CZECH ACADEMY AGRICULTURAL SCIENCES
DOI: 10.17221/49/2016-PPS
Keywords
entomopathogenic fungus; growth promoting; taproot; lateral root; pollution-free plant protection
Categories
Funding
- Transformation Fund for Agricultural Sci-Tech Achievements of China [2013GB23260581]
- Agricultural Fund for International Cooperation and Exchanges of China [2011-G4]
- National Nature Science Foundation of China [31471824]
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The benefit of the entomopathogen Metarhizium anisopliae to early root development was evaluated. Two inoculating methods, conidia-suspension-drenching (T-1) and conidia-coating (T-2), were used when sowing peanut. The results showed that taproot length and lateral root number in T-1 significantly increased compared to the control (T-0) in days 4-10 after treatment, whereas no significant difference was found between T-2 and T-0. The fungal density by T-1 and T-2 fluctuated in the first 8 days, followed by a gradual decline. The ratio of the taproot length or lateral root number in T-1 and T-0 was significant relative to the fungal persistence. It suggested that M. anisopliae promotes peanut root development and should be considered as important factor in plant protection besides pest controls.
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