1U4 ProccvdiiKjs of hidUiiin Acadcniii of Sc'icik 



Leaf-si»()t (Fii,^ ."» ) due to ('occoiniiccs liicmalix was tla" most serious 

 disease. Yellowing' of the leaves and di'foliatiou are caused and iinatrecled 



Fij;. 5. ChtTi-y leaf spot. 



trees are rarely found. Powdery mildew {PoilosiJliacrd o-ri/caiiflitic) was 

 noted at Wanatah. 



CHRYSANTHEMUM. 



Leaf-Spot due to Hcptorla vhriisantliemclJa was noted in a griH-idioiise. 



CLOVER. 



• Antliracnose due to (JoUctolrh-lnun frifolii was the most important disease. 



CORN. 



As was the case in 1919, the Fusarium root, ear and stalk rots were fli(> 

 most serious diseases. Pipal reports three lields plowed up because of loor 

 rot. 



Smut was generally abundant this year and was especially severe cm 

 sweet coril. Gregory reports observations which indicate that early suuit 



