Diseases of economic plants (1910) Diseases of economic plants diseasesofeconom02stev Year: 1910 SMALL FRUITS 151 Here even the ap- parently healthy plants may be af- fected. After the disease has once gained access to a field, all diseased plants should be pulled and burned as soon as they are recognized, and the soil should be allowed to rest some years before again putting either currants or gooseberries upon it. Cane blight {Fungus indet.). — A sudden wilt of the leaves on one or more canes in a bush is the first symptom of dis- ease. The entire bush may suc- cumb, but not usu- ally duri
Diseases of economic plants (1910) Diseases of economic plants diseasesofeconom02stev Year: 1910 SMALL FRUITS 151 Here even the ap- parently healthy plants may be af- fected. After the disease has once gained access to a field, all diseased plants should be pulled and burned as soon as they are recognized, and the soil should be allowed to rest some years before again putting either currants or gooseberries upon it. Cane blight {Fungus indet.). — A sudden wilt of the leaves on one or more canes in a bush is the first symptom of dis- ease. The entire bush may suc- cumb, but not usu- ally during the first season. Upon splitting the stems a discoloration of the bark and wood near the base is noticed. This disease, while similar in many of its symp- Fig. 63. — Diseased currant canes ; a, Tubercularia b, Nectria ; c, Pleonectria. After Durand.
Size: 1045px × 1914px
Photo credit: © Bookend / Alamy / Afripics
License: Licensed
Model Released: No
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