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Wyświetlanie 1-2 z 2
Tytuł:
Wpływ pokarmu na imagines chrabąszczy Melolontha melolontha i M. hippocastani
Effects of food source quality on the adults of Melolontha melolontha and M. hippocastani
Autorzy:
Woreta, D.
Lipiński, S.
Wolski, R.
Powiązania:
https://bibliotekanauki.pl/articles/1295010.pdf
Data publikacji:
2016
Wydawca:
Instytut Badawczy Leśnictwa
Tematy:
lesnictwo
entomologia lesna
szkodniki roslin
chrabaszcz majowy
Melolontha melolontha
chrabaszcz kasztanowiec
Melolontha hippocastani
owady dorosle
przyrost masy ciala
przezywalnosc
dlugosc zycia
plodnosc
pokarm
preferencje pokarmowe
forest cockchafer
common cockchafer
forest pests
relative growth rate
mortality
food quality
Opis:
This paper presents the results of studies on the life span, survival, weight and fecundity of the forest cockchafer (Melolontha hippocastani, Fabricius, 1801) and the common cockchafer (Melolontha melolontha, Linnaeus, 1758) beetle feeding on Alnus glutinosa (L.) Gaertn., Betula pendula Roth., Carpinus betulus L., Fagus sylvatica L., Larix decidua Mill., Prunus serotina (Ehr.) Borkh., Quercus petraea (Matt.) Liebl., Quercus robur L., Robinia pseudoacacia L., Sambucus nigra L. and Sorbus aucuparia L. em. Hedl. The lifespan and weight of beetles as well as female fertility were examined in 2011 and 2013. Specimen for laboratory tests were collected in the field shortly after leaving their overwintering sites in the soil and identical experimental protocols were applied to both examined species. 576 and 432 beetles were tested in 2011 and 2013, respectively. In 2011, beetles were feeding on A. glutinosa, B. pendula, F. sylvatica, L. decidua Q. petraea leaves and on C. betulus, P. serotina, R. pseudoacacia, S. aucuparia and S. nigra in 2013. Both years, beetles feeding on Q. robur leaves were examined as a control. Our results showed that feeding on leaves of Q. robur and Q. petraea had the largest positive impact on the life time, weight and fecundity of the studied beetles. Leaves of F. sylvatica and L. decidua also constituted an adequate food source for the development of M. melolontha. M. hippocastani, however, did not perform as well when feeding on these two tree species. Females of M. melolontha reared on leaves of B. pendula did not lay eggs. The following plant species had a negative impact on the survival and development of the collected specimen and female fertility: A. glutinosa, S. nigra, P. serotina and R. pseudoacacia. Neither beetle species fed on the leaves of A. glutinosa or S. nigra.
Źródło:
Leśne Prace Badawcze; 2016, 77, 1
1732-9442
2082-8926
Pojawia się w:
Leśne Prace Badawcze
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Przeżywalność i wzrost pędraków Melolontha spp. na korzeniach głównych gatunków drzew leśnych
Survival and growth of the Melolontha spp. grubs on the roots of the forests main tree species
Autorzy:
Woreta, D.
Sukovata, L.
Powiązania:
https://bibliotekanauki.pl/articles/1313140.pdf
Data publikacji:
2014
Wydawca:
Instytut Badawczy Leśnictwa
Tematy:
lesnictwo
ochrona lasu
drzewa lesne
sadzonki
dab szypulkowy
Quercus robur
dab bezszypulkowy
Quercus petraea
buk zwyczajny
Fagus sylvatica
brzoza brodawkowata
Betula pendula
olsza czarna
Alnus glutinosa
modrzew europejski
Larix decidua
sosna zwyczajna
Pinus sylvestris
korzenie
szkodniki roslin
zerowanie
Melolontha
pedraki
przezywalnosc
masa ciala
Alnus
glutinosa
relative growth rate
mortality
food quality
Opis:
The survival, weight and relative growth rate (RGR) of the Melolontha spp. grubs feeding on roots of Quercus petraea, Q. robur, Fagus sylvatica, Betula pendula, Larix decidua, Alnus glutinosa and Pinus sylvestris were examined. Overall, the youngest grubs, L1, were the most affected by food quality. The mortality of the grubs feeding on the roots of A. glutinosa changed most rapidly and, consequently, LT50 was the shortest (25.9 days), whereas the slowest changes in mortality with the highest LT50 values were observed on the two oak species (54.9 and 44.9 days on Q. robur and Q. petraea, respectively). The RGRs of the L1 grubs were the highest on oaks, F. sylvatica and B. pendula. The overall rate of survival of the older grubs was high (66.7-100%). It was the lowest on the roots of B. pendula (L2 grubs) and L. decidua (L3 grubs), which at the same time displayed the highest RGRs. The interpretation of the results is difficult due to the lack of basic knowledge on the potential effects of food quality and other factors on grub metamorphosis. There is no doubt, however, that among the seven tested tree species the roots of A. glutinosa are the least favorable for the Melolontha grubs' performance.
Źródło:
Leśne Prace Badawcze; 2014, 75, 4; 375-383
1732-9442
2082-8926
Pojawia się w:
Leśne Prace Badawcze
Dostawca treści:
Biblioteka Nauki
Artykuł
    Wyświetlanie 1-2 z 2

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