نتایج جستجو برای: woody plants
تعداد نتایج: 204357 فیلتر نتایج به سال:
Question: We present a general structural carbon nutrient balance hypothesis parallel to Bryant et al.’s defensive chemistry hypothesis. Our hypothesis suggests that because herb species require a lower investment of carbon per unit length of stem than do woody plants, herbs should be at a competitive advantage where the leaf area of plants in the ground layer is limited by light (or fixed carb...
F-box proteins are generally responsible for substrate recognition in the Skp1-Cullin-F-box complexes that are involved in protein degradation via the ubiquitin-26S proteasome pathway. In plants, F-box genes influence a variety of biological processes, such as leaf senescence, branching, self-incompatibility, and responses to biotic and abiotic stresses. The number of F-box genes in Populus (Po...
the distribution of phytophthora parsiana a high-temperature tolerant newly described species was studied in southern iran and examined its host range in woody perennial plant species in greenhouse condition under high inoculum potential. among different plant species examined, almonds were highly susceptible by different isolates. from 24 woody plants inoculated, the disease severity in descen...
BACKGROUND AND AIMS Plants are expected to maximize their net photosynthetic gains and efficiently use available resources, but the fundamental principles governing trade-offs in suites of traits related to resource-use optimization remain uncertain. This study investigated whether Acer saccharum (sugar maple) saplings could maximize their net photosynthetic gains through a combination of crown...
In herbivorous insects, host plant switching is commonly observed and plays an important role in their annual life cycle. However, much remains to be learned about seasonal host switching of various pestiferous arthropods under natural conditions. From 2006 until 2012, we assessed Apolygus lucorum (Meyer-Dür) host plant use in successive spring, summer and winter seasons at one single location ...
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