University of Massachusetts Amherst ScholarWorks@UMass Amherst Masters Theses 1911 - February 2014 1950 Some aspects of the transmission of the virus of aster yellows. Leonard H. Weinstein University of Massachusetts Amherst Follow this and additional works at: https://scholarworks.umass.edu/theses Weinstein, Leonard H., "Some aspects of the transmission of the virus of aster yellows." (1950). Masters Theses 1911 - February 2014. 2856. Retrieved from https://scholarworks.umass.edu/theses/2856 This thesis is brought to you for free and open access by ScholarWorks@UMass Amherst. It has been accepted for inclusion in Masters Theses 1911 - February 2014 by an authorized administrator of ScholarWorks@UMass Amherst. For more information, please contact
[email protected]. SOME ASPECTS OF THE TRANSMISSION OF THE VIRUS OF ASTER YELLOWS \>y ' I i! I,/ I V 01 ' I!' - Leonard H. Weinstein (I 111 VI Kbl'O 01 ' " ''liV!,.11.11’'1" ■ \ Thesis Submitted in Partial Fulfillment for the V‘ • ‘ i {> ! * 'TV'I Degree of Master of Seienoe University of Massachusetts ■ ■ Amherst 1950 ACKNOWLEDGEMENTS The writer wishes to express his sincere appreciation to Dr. Theodore T. Kozlowski, Dr. Trank E. Shaw, and Professor Clark L. Thayer, members of the thesis committee, for their kind assistance and helpful suggestions while carrying out this re¬ search; to Dr. Walter M. Banfield, under whom this work was con¬ ducted, for his valuable aid and advice; to Dr. Linus H. Jones, for his patience and guidance throu^iout the work; to Dr. Charles P. Alexander, for the cooperation and kindness of the Department of Entomology; to Mr. Thomas E.