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Evaluation of Photostability of Rhodamine B for Automatic Recognition of Tomato Plants
Published by the American Society of Agricultural and Biological Engineers, St. Joseph, Michigan www.asabe.org
Citation: 2020 ASABE Annual International Virtual Meeting 2000809.(doi:10.13031/aim.202000809)Authors: Wen-Hao Su, Steven A. Fennimore, David C. Slaughter
Keywords: Computer vision, Crop signaling, Solar radiation, Tomato plants.
Abstract. Vegetable crops are very susceptible to damage from weed competition, with early season weeds emerging within 3 weeks after crop emergence a control priority to prevent significant yield loss. One strategy for rapid weed crop differentiation is to place a machine detectable marker on the crop, i.e. Crop signaling. In this study, Rhodamine B (Rh-B) was used as a systemic crop signaling compound in tomato plants due to its unique fluorescent properties. The photostability of Rh-B was assessed under full sun treatment. The results showed that Rh-B was photostable in tomato plants for 27 days after transplanting.
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