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Wyszukujesz frazę "Aphis fabae" wg kryterium: Temat


Wyświetlanie 1-3 z 3
Tytuł:
The Effect of Water Extracts From Winter Savory on Black Bean Aphid Mortality
Autorzy:
Rusin, M.
Gospodarek, J.
Biniaś, B.
Powiązania:
https://bibliotekanauki.pl/articles/123531.pdf
Data publikacji:
2016
Wydawca:
Polskie Towarzystwo Inżynierii Ekologicznej
Tematy:
water extracts
black bean aphid
Aphis fabae Scop.
winter savory
Satureja montana L
biological control
Opis:
The aim of this study was to determine the effect of water extracts prepared from fresh and dry matter of winter savory (Satureja montana L.) on mortality of wingless females and larvae of black bean aphid (Aphis fabae Scop.). The experiment was conducted in the laboratory, in six replicates. Dry extracts were prepared at concentration of 2%, 5% and 10%, while the fresh plant at concentration of 10%, 20% and 30%. Stomach poisoning of extracts was determined by soaking broad bean leaves in the respective solutions, and then determining mortality of wingless female and larvae feeding on leaves thus prepared at 12 hour intervals. The results of the experiment showed that the extract prepared from dry matter at the highest concentration (10%), as well as the extracts from fresh matter at concentration of 20% and 30% contributed to an increase in mortality of wingless female of black bean aphid. Meanwhile, extracts prepared from both dry and fresh matter at two highest concentrations caused an increase in mortality of larvae of this pest. Furthermore, with increasing concentrations of analysed extracts prepared from both fresh and dry matter of winter savory, their negative effect on wingless females and larvae usually increase.
Źródło:
Journal of Ecological Engineering; 2016, 17, 1; 101-105
2299-8993
Pojawia się w:
Journal of Ecological Engineering
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Effect of soil contamination with heavy metal ions on the harmful and useful entomofauna of broad beans
Autorzy:
Jaworska, M
Gospodarek, J.
Powiązania:
https://bibliotekanauki.pl/articles/1449409.pdf
Data publikacji:
2001
Wydawca:
Polska Akademia Nauk. Instytut Agrofizyki PAN
Tematy:
Aphis fabae
aphidophage
entomofauna
soil
soil property
metal ion
broad bean
degraded ecosystem
pollutant
anthropogenic ecosystem
heavy metal
soil contamination
Opis:
Influence of some selected heavy metals applied into soil as water salt solutions (2 mg Cd, 30 mg Cu, 15 mg Ni, 80 mg Pb and 70 mg Zn/kg soil d.m.) on the growth and development of broad beans and on occurrence of harmful and beneficial insects on the plant was investigated in field conditions. The applied doses of soil contamination with heavy metals strongly affected broad beans development. Plants were characterised by a significantly lower number and length of shoots and a lesser number of pods per plant as compared to the control. Chemical analysis of individual parts of plant revealed big differences in heavy metal contents in roots of plants in contaminated soil as compared to control soil with natural contents of metal ions. In the above ground parts, i.e. leaves and shoots the differences were considerably smaller. Numbers of beetroot aphids were determined on the selected plants since its appearance to the end of its development. Simultaneously, occupation of aphid colony by predators: ladybirds, Syrphidae and Chrysophidae larvae was also assessed. The number of plants occupied by aphids at each plot was also estimated. Aphids on plants in soil with increased metal contents formed more numerous colonies, also the insects invaded a bigger number of plants. Ladybird larvae, predators for aphids, occurred in more numerous colonies on plants in contaminated soil. The numbers of other aphid predators: Syrphidae and Chrysophidae larvae did not reveal statistically significant differences.
Źródło:
Acta Agrophysica; 2001, 51; 91-99
1234-4125
Pojawia się w:
Acta Agrophysica
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Effect of Water Extract from Chamomile on Black Bean Aphid and Colorado Potato Beetle
Autorzy:
Biniaś, B.
Gospodarek, J.
Powiązania:
https://bibliotekanauki.pl/articles/124438.pdf
Data publikacji:
2017
Wydawca:
Polskie Towarzystwo Inżynierii Ekologicznej
Tematy:
biological control
Matricaria chamomilla L.
chamomile
Aphis fabae Scop.
black bean aphid
Leptinotarsa decemlineata Say.
Colorado potato beetle
plant extracts
Opis:
The aim of the study was to determine the effect of aqueous extracts of dried chamomille (Matricaria chamomilla L.), in concentrations of 2%, 5% and 10%, and fresh parts of this plant, in concentrations of 10%, 20% and 30% on survival of black bean aphid (Aphis fabae Scop.) on the leaves of broad bean (Vicia faba L.) variety “Bartek” and on feeding of Colorado potato beetle (Leptinotarsa decemlineata Say.) on the leaves of potato (Solanum tuberosum L.) variety “Bellarosa”. In these researches on impact of water extracts from chamomille on mortality of wingless females and larvae of black bean aphid, 15 laboratory’s observations in the 8-hour intervals was made. In the studies of the effects of aqueous extracts of chamomille on the dynamics of Leptinotarsa decemlineata feeding on the potato leaves, 4 laboratory’s observations in 12-hour intervals was made. Observations were carried out in 6 replicates divided into L2 and L4 larvae stages. Aquatic extracts of chamomile limited the survival of black bean aphid larvae and wingless females – the higher the concentration, the stronger the effects of the extract, where young insects were found to be more susceptible. Extracts of the dried plant whose concentration was below 5% and extracts of the fresh plant whose concentration was below 20% were found to be ineffective against black bean aphids. In all the analysed concentrations the aquatic extracts of chamomile were found to be ineffective against L2 and L4 larvae of Colorado potato beetle.
Źródło:
Journal of Ecological Engineering; 2017, 18, 3; 118-124
2299-8993
Pojawia się w:
Journal of Ecological Engineering
Dostawca treści:
Biblioteka Nauki
Artykuł
    Wyświetlanie 1-3 z 3

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