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Occurrence of Pasteuria spp. in Florida
Journal of Nematology
|March 13, 2009
Summary
Pasteuria spp. were found on 14 nematode genera across 41 Florida counties. Meloidogyne and Hoplolaimus nematodes were most frequently infected by Pasteuria, impacting diverse plant hosts.
Area of Science:
- Agricultural Science
- Nematology
- Microbiology
Background:
- Pasteuria spp. are obligate bacterial endosymbionts that parasitize nematodes.
- Understanding the distribution of Pasteuria is crucial for biological control strategies against plant-parasitic nematodes.
Purpose of the Study:
- To determine the distribution and host range of Pasteuria spp. infecting nematodes in Florida soils.
- To identify the most frequently infected nematode genera by Pasteuria.
Main Methods:
- Compiled and analyzed data from 335 soil samples collected over 6 years from two Florida laboratories.
- Recorded nematode genera with attached Pasteuria endospores, associated host plants, and sample origins.
Main Results:
- Pasteuria spp. were detected on 14 plant-parasitic nematode genera in 41 Florida counties.
- Infections were associated with over 39 plant species and seven fallow fields.
- Meloidogyne and Hoplolaimus spp. were the most frequently infected nematode genera, found in 176 and 59 samples, respectively.
Conclusions:
- Pasteuria spp. have a wide distribution in Florida soils, infecting various plant-parasitic nematodes.
- The findings highlight the potential of Pasteuria as a biological control agent for nematode management in diverse agricultural systems.
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