WebbThis paper investi- gates the effects of grazing spatial pattern and nitrogen Introduction availability on primary productivity. We propose that grazed plants located at the edge of a grazed patch are A major part of the impact of grazing on primary pro- more shaded by their taller ungrazed neighbours than ductivity results from the joint action of tissue … Webb10 apr. 2024 · Deconstructing trivial movement. Tenure times depended on an interaction between plant species and light level (F 2,20 = 8.16, p = 0.0026).At the low light level (20% full sun), 16% of the beetles stayed on the non-host plant and none stayed on the squash plants, while at intermediate light (40% full sun) and full sun, only 4% of the beetles …
Modeling the effects of plant resistance, herbivore virulence, and ...
Webb28 maj 2015 · Herbivory was simulated every other day for 8 d by applying 20 μl per leaf of 1 : 5 diluted M. sexta oral secretions (W+OS) on two wounded leaves per plant (four treatments; eight damaged leaves per plant in total). Leaves were harvested at 02:00, 06:00, 14:00 and 20:00 h following the last day of treatment. Webb30 apr. 2024 · Trace this paper Full-text Cite Share TL;DR: It is proposed that simulated herbivory should be used to complement true herbsivory to decipher the mechanisms of insect herbivore-induced plant defence responses, and the consequential complexities associated with uncoupling defence responses. ...read moreread less how close is fullerton to la
Effects of simulated herbivory and intraspecific competition on …
Webb6 juni 2008 · We examined the effects of simulated folivory by caterpillars on photosynthetic parameters and nitrogen (N) resorption efficiency in Quercus pyrenaica saplings. We analyzed the differences between intact leaves in control plants, punched leaves in damaged plants, and intact leaves in damaged plants. We then established two … Webb1 sep. 2005 · A field trial was conducted to study the impact of 6 increasing levels of simulated black cutworm, Agrotis ipsilon (Hufnagel), damage on grain and silage yields, … WebbHere, we examined the function of BRI1 in the resistance of Nicotiana attenuata (Solanaceae) to its specialist insect herbivore Manduca sexta. Jasmonic acid (JA) and JA-isoleucine conjugate (JA-Ile) are important hormones that mediate resistance to herbivores and we found that after wounding or simulated herbivory NaBRI1 had little effect on JA … how close is florida to texas