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. 2015 Sep 29;6:794. doi: 10.3389/fpls.2015.00794

FIGURE 1.

FIGURE 1

Hypersensitive response (HR)-like necrosis of Brassica nigra plants induced by Pieris eggs and female reproductive tract. (A) Pieris brassicae egg clutch on a leaf showing no necrosis (HR-; credits: E. Griese), (B) P. brassicae egg clutch inducing strong necrosis (HR+; credits: E. Griese), (C) reproductive tract of a virgin P. brassicae female, and (D) reproductive tract of a mated P. brassicae female. Ovi, oviduct; ARG, accessory reproductive gland; Ovar, ovariole; Bc, bursa copulatrix; Sp, spermatheca.