Category: BIOLOGY

Chapter V-3 – Fungi: Hyphomycetes This chapter discusses isolation, culture, and production of order Hyphomycetes. Hyphomycetes are filamentous fungi that reproduce by conidia generally formed aerially on conidiophores arising from the substrate. Most entomopathogenic Hyphomycetes are facultative pathogens and are relatively easily grown in pure culture on defined or semidefined media. Entomopathogenic Hyphomycetes may be harvested directly from insect cadavers on which the fungus has already sporulated. Another isolation method requires the homogenization of cadavers followed by dilution plating of … Continue reading “Latest Research on Fungi : Dec 2021”

General parasitology Dogel’s “A Course of Parasitology” was first published in 1941 and a slightly modified 2nd edition was published in 1947. In 1962 a new edition appeared [noted by title only in Helm. Abs., 32, No. 3081] which was substantially revised by Polyanski & Kheisin in respect of the large number of publications which have since come out in the U.S.S.R. and other countries; about half of the original text was rewritten and the title changed to “General Parasitology”. … Continue reading “Latest Research on Parasitology : Dec 2021”

Epidemiology: principles and methods The influence of the earlier work is of course apparent, but the change in emphasis from methods to principles is so great that it is probably better to regard the present book as a new text. Although many of the classical illustrations (such as Snow and Goldberger) are used, the main con-cern is with the aetiology of chronic disease. This is approached through discussions of the nature of epidemiology, and of what makes an association one … Continue reading “Latest Research on Epidemiology : Dec 2021”

Plant anatomy It seems to be difficult to produce a book with a different approach to plant anatomy and this one, once again, treats the subject conventionally, by describing firstly the cell, meristems and tissues of the plant and then the primary and secondary vegetative structures and the reproductive organs. It is well illustrated with clear drawings and diagrams, some original and others from various books and papers, together with numerous helpful photographs and micrographs. A lot of the examples … Continue reading “Latest Research on Anatomy : Dec 2021”