Sorghum waterlogging damage detection method

The embodiment of the invention discloses a sorghum waterlogging damage detection method. The method comprises the following steps: step 100, calibrating a test field by referring to a waterlogging period prediction trend, and planting in a potting manner under the same condition to form a control group; step 200, recording waterlogging conditions of different areas in the waterlogging period, and forming a distribution diagram of stress of waterlogging to the sorghum; step 300, monitoring the leaf temperature of all the sorghum in the test field and the environment temperature by using an unmanned aerial vehicle and a thermal infrared remote sensing technology, and calculating the leaf temperature difference between the test field and the control group; step 400, delimiting a sampling area on the basis of the distribution diagram of stress of waterlogging to the sorghum, sampling in the sampling area and the control group corresponding to the temperature sampling point, and measuring the parameters of the so