1. UC IPM
Petioles and rachises with Fusarium wilt, caused by <I>Fusarium oxysporum f.</I> sp. <I>canariensis,</I> typically show reddish brown internal vascular discoloration.
Petioles and rachises with Fusarium wilt, caused by Fusarium oxysporum f. sp. canariensis, typically show reddish brown internal vascular discoloration.
Credit: D. R. Hodel