Vegetation of South Africa

Vegetation of South Africa

1917 | Wm. Crocker, Geo. D. Fuller
The article reviews recent literature on various botanical topics. Kidd's theory that the dormancy of "moist seeds" is due to the anesthetic action of carbon dioxide held in seed coats is questioned, as it does not account for all cases of seed dormancy and lacks experimental support. Bews' studies on the vegetation of South Africa highlight the region's diverse vegetation, including sclerophyllous scrub, mesophytic forests, grasslands, and the Karroo, which is characterized by dwarf shrubs and succulents. The effects of fungi on fruits, particularly the brown-rot fungus on peaches and the black-rot fungus on apples, are also discussed, showing that these fungi alter the chemical composition of the fruits during decay.The article reviews recent literature on various botanical topics. Kidd's theory that the dormancy of "moist seeds" is due to the anesthetic action of carbon dioxide held in seed coats is questioned, as it does not account for all cases of seed dormancy and lacks experimental support. Bews' studies on the vegetation of South Africa highlight the region's diverse vegetation, including sclerophyllous scrub, mesophytic forests, grasslands, and the Karroo, which is characterized by dwarf shrubs and succulents. The effects of fungi on fruits, particularly the brown-rot fungus on peaches and the black-rot fungus on apples, are also discussed, showing that these fungi alter the chemical composition of the fruits during decay.
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