Induced Defenses in Ponderosa Pine Against Defoliating Insects

The observation that trees manage to persist in spite of seemingly endless insect pressure has prompted scientists to investigate the characteristics in ...

If induced defense is a metabolically more efficient defense against insect herbivores, then trees which utilize this defensive strategy have more energy to ...

Ponderosa pine resin defenses and growth: metrics matter

We also found that mechanical wounding induced ponderosa pine defenses, but this response was slow. Resin flow increased after 28 days, and ...

Rapid Induction of Multiple Terpenoid Groups by Ponderosa Pine in ...

conifer defenses against bark beetles (Keeling and Bohlmann. 2006). Most analyses have been done on monoterpenes, large- ly due to technical ...

Limited response of ponderosa pine bole defenses to wounding and ...

Our results suggest that ponderosa pine bole defense against bark beetles and their associated fungi is primarily constitutive and not induced. Publication ...

Defoliation of interior Douglas-fir elicits carbon transfer and stress ...

The significant increase in defense enzyme activities in both interior Douglas-fir donors and ponderosa pine receivers after either manual or ...

Resin acids as inducible chemical defences of pine seedlings ...

pinaster than in P. radiata. However, systemic defensive responses in the needles were negligible in both pine species after pine weevil feeding ...

Influence of moisture stress and induced resistance in ponderosa ...

Field tests reveal that previously damaged foliage is a significantly poorer food source for the pine sawfly, Neodiprion autumnalis Smith (Hymenoptera: ...

Forest and Plant Health

... ponderosa pines on the Colorado Plateau ... - Researchers evaluate the role of tree odors in tree defense against insects and diseases ...

Hotter droughts alter resource allocation to chemical defenses in ...

Heat and drought affect plant chemical defenses and thereby plant susceptibility to pests and pathogens. Monoterpenes are of particular ...

Anatomical and chemical defenses of conifer bark against bark ...

Insect-induced conifer defense: White pine weevil and methyl jasmonate induce traumatic ... Selection and colonization of ponderosa pine by bark.

Influence of moisture stress and induced resistance in ponderosa ...

Field tests reveal that previously damaged foliage is a significantly poorer food source for the pine sawfly, Neodiprion autumnalis Smith ( ...

Effects of natural and artificial defoliations on sawfly performance ...

cial and natural defoliation on the growth of diprionid sawflies on Scots pine foliage. ... 1988: Induced defenses in ponderosa pine against defoliating insects.

Rapidly Induced Defenses and Talking Trees: The Devil's Advocate ...

There is only one field study demonstrating significant effects of rapidly induced defenses on insect population dynamics. Evidence that foliage damage is ...

Fire and Insect Interactions in North American Forests

There is evidence that low‐severity fire may increase conifer defenses against bark beetles by inducing resin duct ... pentine or western pine ...

Effects of Crown Scorch on Ponderosa Pine Resistance to Bark ...

We predicted that high amounts of crown scorch would reduce tree constitutive and induced resin defenses despite higher predawn leaf water potential and leaf- ...

Role of Plant Defensive Proteins Against Insect Attack - ResearchGate

Induced Defenses in Ponderosa Pine Against Defoliating Insects. January 1988. Michael R. Wagner. The observation that trees manage to persist ...

[PDF] Induced Plant Responses to Herbivory - Semantic Scholar

95 References ; Plant apparency and chemical defense · P. Feeny · 1976 · 2,385 Citations ; Induced Defenses in Ponderosa Pine Against Defoliating Insects · M.

Drought-Mediated Changes in Tree Physiological Processes ...

ponderosa pine defense against bark beetles in northern. Arizona. First, bark beetle attacks and biota carried by beetles induce a general ...

Anatomical and chemical defenses of conifer bark against bark ...

Using a combination of toxic and polymer chemistry, anatomical structures and their placement, and inducible defenses, conifers have evolved ...