Açıklama
Agriculture and Forestry, Part II. Bacteria and parasites of crops. Damage caused by environmental influences. 22 prepared microscope slides. – – Tuberculous lung of cow t.s. – Bacillus anthracis, wool sorters disease, smear stained for bacteria – Bacterium erysipelatos, causing red murrain, smear stained for bacteria – Trypanosoma equiperdum, causing dourine in horses, blood smear showing parasites – Eimeria stiedae, coccidiosis, sec. of infected rabbit liver – Fasciola hepatica, beef liver fluke, ova w.m. – Taenia, tapeworm, proglottids t.s. – Ascaris megalocephala, roundworm of horses, adult female t.s. through midbody – Trichinella spiralis, encysted larvae in muscle l.s. – Pine (Pinus), healthy leaves, t.s. – Pine (Pinus) leaves damaged by acid rain, t.s. – Fir (Abies), healthy leaves, t.s. – Fir (Abies), stem tip damaged t.s. – Beech (Fagus), healthy leaves t.s. – Beech (Fagus), t.s. of leaves with destroyed epidermis and chloroplasts – Rhytisma acerinum, tar spot of maples, consequence of single-crop farming – Early leaf fall, caused by thawing salt – Healthy lichen, indicator of clean air – Damaged lichen, caused by air pollution – Healthy wood of beech, t.s. – Wood destroyed by fungus – Polyporus, wood rot fungus, fruiting body t.s
