Plant Disease

28. Synchtm. Solani, Warts, H.A.C.P. 1910

29. Phyt. Infestans, Duggar, 1909, 169

30. Phyt. Infestans, Massee, 1910, 124

31. Phyt. Infestans, Duggar, 1909, 167

32. Fig. 2. Woolly aphis, Schizoneura lanigera

33. [Unknown: Drawings of insects]

34. Synchtm. Solani, H.A.C.P. 1910

35. Synchtm. Solani, H.A.C.P. 1910

36. Synchtm. Solani, H.A.C.P. 1910

37. Synchtm. Solani, Spores, H.A.C.P. 1910

38. Synchtm. Solani, Tuber, H.A.C.P. 1910

39. Synchtm. Solani, H.A.C.P. 1910

40. A Birch-tree, Betula alba Linn

41. Diseased leaf and tuber of potato

42. J. B. Agnc. Potato rot

Late 19th century

1 box [15 slides]