Fitness of Mythimna separata on Wheat and Wild Oat
Author Information
Author(s): Pan Qinjian, Shen Junyu, Su Lvming, Nie Zexiang, Shikano Ikkei, Liu Tong-Xian, Chen Lin
Primary Institution: Joint International Research Laboratory of Agriculture and Agri-Product Safety, The Ministry of Education of China, Institutes of Agricultural Science and Technology Development, Yangzhou University
Hypothesis
Can wild oat serve as an alternate host for Mythimna separata?
Conclusion
Wild oat can support the development of Mythimna separata similarly to wheat, which has implications for pest management.
Supporting Evidence
- M. separata females showed no oviposition preference between wheat and wild oat.
- Larvae preferred to feed on wheat, with 76.67% choosing it over wild oat.
- Development time from egg to adult was shorter on wheat than on wild oat.
- Survival rates from egg to adult were high on both wheat (81%) and wild oat (84%).
- Fecundity was similar for females reared on both host plants.
Takeaway
The study found that a pest called Mythimna separata can grow well on both wheat and a weed called wild oat, which means farmers need to be careful about this weed.
Methodology
The study used choice and no-choice experiments to assess oviposition and larval feeding preferences, as well as developmental and reproductive parameters on wheat and wild oat.
Limitations
The study did not explore the long-term ecological impacts of wild oat on Mythimna separata populations.
Statistical Information
P-Value
p<0.05
Statistical Significance
p<0.05
Digital Object Identifier (DOI)
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