DISEASES OF HARDY PLANTS. 



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Sweet Pea Spot (Ascochyta pisi).— This fungus 

 attacks the pods finst in the form of pale green spots, 

 changing later to white bordered with black. The spots 

 are more or less depressed, and the pods become distorted 

 in shape. 



Kemedies. — Burn all badly-diseased pods, and, as a pre- 

 ventive, spray the plants from the time they are a few 



[Photo: H. A. Smith. 

 VIOLET RUST (rUCCINIA VIOL.E). 

 A fungus which develops on the leaves and shoots in the form of pustules 

 of a rusty brown hue. 



inches high with the soap and potassium solution advised 

 for Sweet Pea Blight. 



Sweet Pea Streak. — A mysterious disease which 

 attacks the leaves and stems in the form of bright green 

 or brown streaks. Mr. George Massee, F.L.S., the emi- 

 nent mycological expert, is of opinion that the disease is 

 of a physiological nature, and due to the use of nitrogenous 

 manures in excessive quantities. 



Remedies,— Attacked plants should be burnt, since there 



