1991
DOI: 10.1111/j.1439-0418.1991.tb00297.x
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Comestibilité de différents clones de pin sylvestre pour Diprion pini L. (Hym., Diprionidae)

Abstract: Foliage edibility of Scots Pine clones for Diprion pini L. (Hym., Diprionidae). II. Relationships between the content of phenols within the needles and the mortality of D. pini larvae A comparative study has been done on the polyphenolic content of leaves sampled on 20 different clones of Scots pine by means of thin layer chromatography. Typical variations have been observed between these clones which were characterized by the lack or the presence of the hydroxycinnamic and stained compound by DMACA (F1 and F2… Show more

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Cited by 13 publications
(5 citation statements)
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“…1): (1) category of unsuitable clones, when larval survival and survival until formation of cocoons were lower than 20% and the percentage of males was higher than 60% and (2) category of favourable clones, when larval survival and survival until formation of cocoons were higher than 40%. However, in agreement with previous results (A uger et al., 1992), we could distinguish a third category which divided the favourable category into two: the suitable category in which larval survival and survival until formation of cocoons were higher than 60% and the percentage of males was lower than 40%, and the intermediate category in which larval survival and survival until formation of cocoons were between 30 and 60%. The clone categories and their limits will be discussed.…”
Section: 11 Stability Of the Effect Of Foliage Between Flight Periodsupporting
confidence: 91%
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“…1): (1) category of unsuitable clones, when larval survival and survival until formation of cocoons were lower than 20% and the percentage of males was higher than 60% and (2) category of favourable clones, when larval survival and survival until formation of cocoons were higher than 40%. However, in agreement with previous results (A uger et al., 1992), we could distinguish a third category which divided the favourable category into two: the suitable category in which larval survival and survival until formation of cocoons were higher than 60% and the percentage of males was lower than 40%, and the intermediate category in which larval survival and survival until formation of cocoons were between 30 and 60%. The clone categories and their limits will be discussed.…”
Section: 11 Stability Of the Effect Of Foliage Between Flight Periodsupporting
confidence: 91%
“…It also appeared that the effect of foliage from one clone was stable between two periods corresponding to the main flights of this pest. The previous classification of clones for the sawfly was established according to the results of A uger et al. (1992) and of Pasquier ‐ Barre et al.…”
Section: Discussionmentioning
confidence: 99%
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“…By contrast, the survival of Spanish moon moth larvae did not seem to be affected by a previous defoliation of the host pines, contrasting with T. pityocampa larvae which were proved to be negatively affected by defoliation of host trees (Battisti 1988;). The Scots pine clone 872 used in this experiment was already tested for acceptance and larval performances of several pine defoliators (Auger et al 1990;Auger-Rozenberg et al 1996). Barre et al (2003) estimated a 75% survival rate, from hatching to pupae, in A. isabellae reared on this clone.…”
Section: Discussionmentioning
confidence: 99%