There are climatic and environmental factors in the reason that eggplant only blooms without result. If the flowering temperature is too high, affecting the elongation of the pollen tube, resulting in poor pollination; or continuous rainfall for a long time, the lack of daily photography, eggplant photosynthetic assimilation products decreased, but also cause the fall. Through field observation and comprehensive analysis, agricultural technicians basically eliminated the factors of climatic conditions and diagnosed as physiological boron deficiency disease according to the growth performance of plants. Boron is an essential micronutrient for plants. In the absence of boron, the anthers and filaments of the crop plants shrank, the tapetum tissues were destroyed, and the pollen development was poor. Excessive levels of phenolic compounds, necrosis of buds and apical buds, loss of apical dominance, and more branches, leading to unreal flowers. The remedial measures for boron deficiency are mainly boron fertilization, which can be done by foliar top dressing or root application.

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