Journal
SCIENTIFIC REPORTS
Volume 7, Issue -, Pages -Publisher
NATURE PORTFOLIO
DOI: 10.1038/srep42399
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Funding
- Innovation Team Project of Modern Agricultural Industry Technology System in Shandong Province of China [SDAIT-17-07]
- Taishan Mountain Scholar Constructive Engineering Foundation of Shandong
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In this study, we evaluated the adaptability of the small brown planthopper (SBPH), Laodelphax striatellus (Hemiptera: Delphacidae) to four rice cultivars including Shengdao13 (SD13), Shengdao14 (SD14), Shengdao15 (SD15), and Zixiangnuo (ZXN) using the age-stage, two-sex life table with a simplified method for recording egg production (i.e., every five days vs. daily). The intrinsic rate of increase (r) of the SBPH was the highest (0.1067 d(-1)) on cultivar SD15, which was similar to the rate on SD14 (0.1029 d(-1)), but was significantly higher than that occurring on ZXN (0.0897 d(-1)) and SD13 (0.0802 d(-1)). The differences of the finite rate of increase (lambda) on the four rice cultivars were consistent with the r values. Population projection predicted an explosive population growth of the SBPH occurring in a relatively short time when reared on SD14 and SD15. These findings demonstrated that the SBPH can successfully survive on the four rice cultivars, although there were varying host adaptabilities.
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