Results 11 to 20 of about 13,071,015 (306)

Biology and life table parameters of Aceria melongena (Trombidiformes: Eriophyidae) on eggplant [PDF]

open access: yesAcarines: Journal of the Egyptian Society of Acarology, 2022
Developmental time, survival, reproduction and life table parameters of the eriophyid mite, Aceria melongena (Zaher & Abou-Awad) at three constant temperatures (20, 26, and 32°C) on eggplant, Solanum melongena L.
Samah Elkholy
doaj   +2 more sources

Effect of Different Constant Temperatures on Life History and Life Table Parameters of Trichogramma euproctidis (Hymenoptera: Trichogrammatidae). [PDF]

open access: yesJ Econ Entomol, 2022
Abstract Temperature has a profound effect on performance and behavior of egg parasitoids. Egg parasitoids are a well-known alternative for the control of lepidopterous pests. Selected life history parameters of Trichogramma euproctidis (Girault) (Hymenoptera: Trichogrammatidae), an established egg parasitoid species in Khuzestan ...
Tabebordbar F   +4 more
europepmc   +4 more sources

A laboratory and field condition comparison of life table parameters of Aphis gossypii Glover (Hemiptera: Aphididae) [PDF]

open access: yesJournal of Plant Protection Research, 2015
Life table studies are essential tools for understanding population dynamics. The life table parameters of Aphis gossypii Glover (Hemiptera: Aphididae) feeding on the host plant, Hibiscus syriacus L.
Hosseini-Tabesh Behnaz   +2 more
doaj   +3 more sources

The effects of milbemectin and spirodiclofen resistance on Phytoseiulus persimilis A. H. (Acari:Phytoseiidae) life table parameters

open access: yesCrop Protection, 2019
Abstract Phytoseiulus persimilis A. H. (Acari: Phytoseiidae) is one of the effective predatory mites used in the biological control of Tetranychus urticae Koch (Acari: Tetranychidae) in agricultural production areas. The objective of our study was to determine the effects of acaricide resistance on the life table parameters of P. persimilis.
Keskin, Cenk, Salman, Sibel Yorulmaz
openaire   +3 more sources

A Microsoft Excel program for bootstrap estimates of reproductive-life table parameters

open access: yesJournal of Crop Protection, 2018
Demographic parameters such as intrinsic rate of increase estimates are of main interest in a wide range of ecological researches. Two widely used uncertainty estimate techniques are bootstrap and jackknife methods. Bootstrap estimates are time-consuming
Shahzad Iranipour
doaj   +2 more sources

Life Table Parameters of Tetranychus merganser Boudreaux (Acari: Tetranychidae) on Five Host Plants. [PDF]

open access: yesInsects, 2023
The quality of the host plant affects the life history parameters of tetranychid mites. The biology and fertility life tables of Tetranychus merganser on five host plants (Carica papaya, Phaseolus vulgaris, Capsicum annuum var. glabriusculum, Helietta parvifolia, and Rosa hybrida) were assessed under laboratory conditions at 28 ± 1 °C and 70–80 ...
Segura-Martínez MTJ   +5 more
europepmc   +4 more sources

Biology and life table parameters of Brevicoryne brassicae (Hemiptera: Aphididae) on cauliflower cultivars. [PDF]

open access: yesJ Insect Sci, 2014
In this article, the biology and fertility life table parameters of the cabbage aphid, Brevicoryne brassicae (L.) (Hemiptera: Aphididae), were studied on cauliflower leaves, Brassica oleracea var. botrytis (Brassicales: Brassicaceae), of the cultivars Smilla, Snow mystique, White cloud, Buris, Galiblanka, Snow crown, SG, and Tokita.
Jahan F   +4 more
europepmc   +4 more sources

Impact of synthetic insecticides on the life table parameters of Trichogramma chilonis under laboratory conditions. [PDF]

open access: yesSci Rep
Trichogramma chilonis (Ishii) is an important egg parasitoid of Helicoverpa species in tomato growing areas of Pakistan. Different insecticides are used for the management of H. armigera, but these insecticides have significantly reduced the effectiveness of T. chilonis.
Salim M   +8 more
europepmc   +4 more sources

Estimating Indonesian Complete Life Table and Fair Annual Pure Premium Range from Abridged Life Table with Bayesian Method and Bootstrapping [PDF]

open access: yes, 2022
Several Indonesian life insurance companies recently faced financial problems due to inadequate pricing and idealistic investment expectation. Growing market and insurtech implementation might lead to worse conditions in the future. The current mortality
Chandra, Christian Evan; Department of Mathematics, University of Indonesia, Kampus Baru UI Depok, 16424, Indonesia   +2 more
core   +1 more source

Life tables in entomology: A discussion on tables’ parameters and the importance of raw data [PDF]

open access: yesPLOS ONE
Life tables are one of the most common tools to describe the biology of insect species and their response to environmental conditions. Although the benefits of life tables are beyond question, we raise some doubts about the completeness of the information reported in life tables.
Luca Rossini   +6 more
openaire   +5 more sources

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