Fig. 41. Squash Diseases. 



a. Showing squash blossoms invaded by the fungus Choanophora cucurbitarum, 

 b. squash entirely rotted by the Choanophora fungus, c. young conidiophore 0/ 

 Choanophora with ramuli developing on the primary vesicle, d. mature capitulum 

 covered with a layer of conidia, e. conidia, /. sporangia and columella, g. sporangio 

 spores with tufts of hair-like appendages, h. mature zygospore (a, c. to h. after 

 Wolf), i. Fusarium wilt of young squash plants, j. Rhizopus rot. 



