Petioles and rachises with Fusarium wilt, caused by Fusarium oxysporum f. sp. canariensis, 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
