Crop ScienceVolume 3, Issue 1 cropsci1963.0011183X000300010003x p. 4-7 Article Taproot Growth and Crown Bud Development in Biennial Sweetclover as Related to Photoperiod and Temperature1 M. J. Kasperbauer, M. J. KasperbauerSearch for more papers by this authorF. P. Gardner, F. P. GardnerSearch for more papers by this authorI. J. Johnson, I. J. Johnson Formerly Graduate Assistant (now Postdoctoral Resident Research Associate at Pioneering Research Laboratory for Plant Physiology, Beltsville), Professor of Agronomy, and former Professor-in-Charge of Farm Crops (now Research Director for Caladino Farm Seeds), Agronomy Department, Iowa State University.Search for more papers by this author M. J. Kasperbauer, M. J. KasperbauerSearch for more papers by this authorF. P. Gardner, F. P. GardnerSearch for more papers by this authorI. J. Johnson, I. J. Johnson Formerly Graduate Assistant (now Postdoctoral Resident Research Associate at Pioneering Research Laboratory for Plant Physiology, Beltsville), Professor of Agronomy, and former Professor-in-Charge of Farm Crops (now Research Director for Caladino Farm Seeds), Agronomy Department, Iowa State University.Search for more papers by this author First published: 01 January 1963 https://doi.org/10.2135/cropsci1963.0011183X000300010003xCitations: 7 1 Contributed from the Agronomy Department, Iowa State University. Journal Paper No. J-4356 of the Iowa Agricultural and Home Economics Experiment Station, Ames, Iowa. Project No. 1321. AboutPDF ToolsRequest permissionExport citationAdd to favoritesTrack citation ShareShare Give accessShare full text accessShare full-text accessPlease review our Terms and Conditions of Use and check box below to share full-text version of article.I have read and accept the Wiley Online Library Terms and Conditions of UseShareable LinkUse the link below to share a full-text version of this article with your friends and colleagues. Learn more.Copy URL Share a linkShare onFacebookTwitterLinkedInRedditWechat Citing Literature Volume3, Issue1January–February 1963Pages 4-7 RelatedInformation