Conifers possess inducible terpenoid defense systems. These systems are associated with
the formation of traumatic resin ducts (TRD) and are underpinned by enhanced gene …

The nature of selection responsible for the maintenance of the economically and
ecologically important P icea glauca× P icea engelmannii hybrid zone was investigated …

A variety of insects feed on conifer shoots. These include: defoliators, bark, wood and cone
borers, girdlers, gall makers and sucking insects, primarily in the orders Lepidoptera …

Stone cells are a specialized, highly lignified cell type found in both angiosperms and
gymnosperms. In conifers, abundance of stone cells in the cortex provides a robust …

The near-ground temperature regime during summer periods in 1990–1992 was analysed
in a high Scots pine (Pinus silvestris (L.)) shelterwood located in the interior of southern …

Conifers possess an array of physical and chemical defences against stem‐boring insects.
Stone cells provide a physical defence associated with resistance against bark beetles and …

Plant secondary chemistry is determined by both genetic and environmental factors, and
while large intraspecific variation in secondary chemistry has been reported frequently, the …

Tree planting programs now need to consider climate change increasingly, therefore, the
resistance to pests plays an essential role in enabling tree adaptation to new ranges through …

Des semis de 18 provenances récoltées le long d'un transect allant de la région côtière vers
l'intérieur des terres, dans la zone d'introgression de Picea sitchensis (Bong.) Carrière× …

It has long been known that strong expressions of resistance to the white pine weevil
(Pissodes strobi Peck) exist in certain Sitka spruce (Picea sitchensis (Bong.) Carr.) …