Article
Photosynthetic responses of field-grown Pinus radiata trees to artificial and aphid-induced defoliation.
Tree physiology - 1 Jun 2011
Eyles Alieta, Smith David, Pinkard Elizabeth A, Smith Ian, Corkrey Ross, Elms Stephen, Beadle Chris, Mohammed Caroline
Abstract excerpt
The phloem-feeding aphid Essigella californica represents a potential threat to the productivity of Pinus radiata plantations in south-eastern Australia. Five- and nine-year-old field trials were used to characterize the effects of artificial and natural aphid-induced (E. californica) defoliation, respectively, on shoot photosynthesis and growth. Photosynthetic capacity (A(max)) was significantly greater...
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