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Now showing items 61-70 of 139
Investigations of the mechanism of the necrotic response of Nicotiana tabacum L. Var. Samsun NN to infection with tobacco mosaic virus
(1968)
A number of studies have been conducted in the last two decades trying to determine the principle or principles involved in the mechanism of the necrotic local lesion induced by tobacco mosaic virus (TMV) on certain Nicotiana ...
Vascular differentiation in seed and seedling of Phaseolus mungo
(1968)
No mature tracheary or sieve elements are present in the mature embryo Phaseolus mungo L. However, immature protophloem elements are found in the hypocotyl, and special cells, termed coprotoxylem cells, are found in the ...
A study of basic mineralogical, physical-chemical, and engineering index properties of laterite soils
(1968)
Increasing construction activity in tropical environments has greatly expanded the requirement for engineering knowledge related to the basic properties of tropical soils. One of the most frequently encountered yet least ...
Factors influencing growth of Mycoplasma gallisepticum in synthetic and enriched media
(1968)
The purpose of this series of exploratory investigations was two-fold: to study the effects of modifications of an enriched meat infusion medium on growth rate and colony morphology of M. gallisepticum and to develop a ...