1 55 



Sl'MMAIJY. 



The plant diseases of outslandiiii; ecoiioinic iiniiortance as oliservod during 

 the season are as follows: 



Apple: liloteh: seah: frost iiijury. 



ISean : Drouth injury. 



Cabbage : Yellows. 



Cantaloupe : Bacterial wilt ; leaf blight. 



Celery : Yellows or stunting disease. 



Cherry: Cocconiyces leaf-spot. 



Clover : Anthraenose. 



Corn: Fusarium root rot; local infection of flibhrrclla saiihinctii. 



Cucumber : Bacterial wilt ; mosaic. 



Eggplant : Wilt. 



Maple : Sunscald. 



Onion : Soil salt injury. 



Teach: Leaf curl : black leaf-spot: frost injury. 



Pear : Fire-blight. 



Pepper : Sunscald. 



Plum : Brown rot ; frost injury. 



Potato : Fusarium wilt ; Fusarium tuber rot ; common scab : Bhizoctonia 

 root and stem infection. 



Kadish : Black-root. 



Kaspberry : Anthraenose ; orange rust. 



Rose : Powder.v mildew. 



Tomato: Septoria leaf-spot; Fusarium wilt; leaf mold; mosaic; blossom- 

 end rot ; fruit rot from infected growth cracks. 



Watermelon : Fusarium w'ilt. 



Wheat : Foot rot ; scab ; loose smut ; frost injury. 



Plant diseases found in 1011) which have not been previously listed by 

 Pipal and Osner are as follows : 



Celery : I'ellows or stunting disease due to a Fusarium ; nematode rooi 

 injury- ; bacterial leaf-spot. 



Sweet clover : Af<cochyta caiiUcola. 



Corn: Root rot due to Fu.sarium ; Local infection with OihbcreUa saubi- 

 nctii; Stewarts' disease due to Bacterium steivartii. 



Eggplant: Wilt (cause not determined). 



Kale: Yellows due to Fusarium conyluiinans. 



Oats: Scab due to Gibberella saubinetii ; blast. 



Onion: Pink root and bulb rot due to a Fusarium; soil salt injury; 

 nematode injury. 



Parsnip : Leaf-spot due to Ccrcospora ai)ii. 



Peach : Root rot due to Armillaria mellea. 



