Erysiphe Graminis is the powdery mildew which grows upon the Gramineae (Grass family). Something like fifty-five species of the family are affected by this fungus. Among these species are the cereals wheat, barley, oats, ...

A complete list of the rusts of Boone County has not been published. In the year 1889 Dr. B.T. Galloway of the U. S. Department of Agriculture, published a preliminary list of the parasitic fungi of Missouri. The specimens ...

The influence of the mineral nutrients upon growth has been the subject of much investigation. It has been found that certain of these are absolutely necessary to all life. Nevertheless, most, if not all, of the chemical ...

It has long been observed that one condition or another of the environment is favorable to the perpetuation and spread of fungous diseases. For example, it is very easy to recognize the close relation which exists between ...

In recent years much interest has been aroused in the cytology of the lower fungi, and considerable work has been done upon these forms. While various members of different groups have been studied, the most definite results ...

Salt-rising bread is a kind of leavened bread, which is made light not by the introduction of yeast, as with yeast cakes or by mechanical aeration or by carbon dioxide liberated from chemical compounds, such as baking ...

Moldy silage, because of its economic importance, has attracted considerable attention in the last few years. Certain molds, because of their general and frequent occurrence and peculiar characteristics have become of ...

Text taken from pages 1 and 2 of this thesis: During the past fifty years a number of investigators have reported results on the relative value of heavy and light or large and small seed grain. Each investigator has devised ...

Abstract taken from the concluding paragraph of the Introduction to this thesis: ... The discovery of the fertilizing value of sulfur by accident in the application of sulfur to plants as a fungicide, has led several ...

Text from page 1: The point especially sought for in this investigation is the relation between mixed populations and pure lines of the same variety. It is desired to know whether a character is more or less variable or ...

Text from page 1: The economic importance of the Fusarium problem affords a sufficient reason for the study of this genus of fungi. Various wilts, rots and blights are caused by parasitic and saprophytic Fusaria. It is ...

"Sunflower seedlings were grown in four or five inch flower pots. The seed was obtained from Henry A. Dreer, of Philadelphia, J.M. Thorburn and Co., of New York, Rev. J.M. Bates, of Red Cloud, Nebraska, E. Bartholemew, of ...

Text from pages 2-3: "Tomato Wilt, Bacterial Wilt, and Septoria Leaf Spot are the most important diseases of this plant. My studies have been with the organism causing tomato wilt, Fussarium lycopersici Sacc."