1. Initial symptoms of decay (Presentation no. 1)
Flat top decay syndrome of the giant cardon cactus of Baja California, Mexico
Initial symptoms of decay
(Presentation no. 1)
Click to progress

2. Young and mature cardon cacti in their natural habitat

3. Close-up of a healthy side branch.
Note the perfect shape of the
cardons at this site
Healthy cardon in an unnamed arroyo
north of Loreto

4. Rotting at the top of the main stem
Small rotting spots on the main stem of mature cardon

5. Rotting of the distal end of a side branch
Circular rotting of main stem top

6. Please download presentation number 2 describing advanced symptoms of decay