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Fig. 1 | BMC Plant Biology

Fig. 1

From: Light dominates the diurnal emissions of herbivore-induced volatiles in wild tobacco

Fig. 1

Light deprivation suppressed the emission of terpenoid volatiles but increased GLV emissions after W + R treatments. (A) Collection of headspace volatiles with PDMS tubing pieces from N. attenuata leaves enclosed in plastic cups [30]. The target leaf was deprived of light by wrapping the outside of the cup with aluminum foil. (B) Experimental set-up for volatile collections after W + R treatment during night, day and temporary light deprivation. Each block represents an independent collection. Black bars indicate the night and white bars indicate day. Wrapped cups (black) provided the local light deprivation. (C) Dynamic induction of representative volatiles by W + R treatment and alterations by temporary local light deprivation. (D) Setup for 24 h light deprivation and volatile collection (right), and suppression of terpenoid emission and enhancement of GLV emission (left), Student t-test, n = 3, ***: p < 0.001

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