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Life table and consumption capacity of corn earworm, Helicoverpa armigera, fed asparagus, Asparagus officinalis.

Jha RK, Tuan SJ, Chi H, Tang LC - J. Insect Sci. (2014)

Bottom Line: The uncertainty associated with life table parameters was estimated by using jackknife and bootstrap techniques, and the results were compared for statistical inference.The frequency distribution of sample means obtained by the jackknife technique failed the normality test, while the bootstrap results fit the normal distribution well.By contrast, the relationship between the mean fecundity and the net reproductive rate, as estimated by the bootstrap technique, was slightly inconsistent with the relationship found by mathematical proof.

View Article: PubMed Central - PubMed

Affiliation: Department of Entomology, National Chung Hsing University, Taichung 402, Taiwan, Republic of China Plant Protection Directorate, Department of Agriculture, Hariharbhawan, Lalitpur, Nepal jharatna@gmail.com.

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Age-specific consumption rate (kx), age-specific net consumption rate (qx), and cumulative consumption rate (Cx) of Helicoverpa armigera reared on asparagus. High quality figures are available online.
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f07_01: Age-specific consumption rate (kx), age-specific net consumption rate (qx), and cumulative consumption rate (Cx) of Helicoverpa armigera reared on asparagus. High quality figures are available online.

Mentions: of H. armigera was plotted in Figure 7. The transformation rate (Qc), as calculated using Equation 6, was 17.48 mg/offspring, which is the amount of asparagus H. armigera must consume to produce one offspring (hatched egg).


Life table and consumption capacity of corn earworm, Helicoverpa armigera, fed asparagus, Asparagus officinalis.

Jha RK, Tuan SJ, Chi H, Tang LC - J. Insect Sci. (2014)

Age-specific consumption rate (kx), age-specific net consumption rate (qx), and cumulative consumption rate (Cx) of Helicoverpa armigera reared on asparagus. High quality figures are available online.
© Copyright Policy - open-access
Related In: Results  -  Collection

License
Show All Figures
getmorefigures.php?uid=PMC4206235&req=5

f07_01: Age-specific consumption rate (kx), age-specific net consumption rate (qx), and cumulative consumption rate (Cx) of Helicoverpa armigera reared on asparagus. High quality figures are available online.
Mentions: of H. armigera was plotted in Figure 7. The transformation rate (Qc), as calculated using Equation 6, was 17.48 mg/offspring, which is the amount of asparagus H. armigera must consume to produce one offspring (hatched egg).

Bottom Line: The uncertainty associated with life table parameters was estimated by using jackknife and bootstrap techniques, and the results were compared for statistical inference.The frequency distribution of sample means obtained by the jackknife technique failed the normality test, while the bootstrap results fit the normal distribution well.By contrast, the relationship between the mean fecundity and the net reproductive rate, as estimated by the bootstrap technique, was slightly inconsistent with the relationship found by mathematical proof.

View Article: PubMed Central - PubMed

Affiliation: Department of Entomology, National Chung Hsing University, Taichung 402, Taiwan, Republic of China Plant Protection Directorate, Department of Agriculture, Hariharbhawan, Lalitpur, Nepal jharatna@gmail.com.

Show MeSH
Related in: MedlinePlus