Moisture is one of the most important environmental factors that affect plant growth. In the long-term production and life, problems such as low survival rate of seedlings, decreased yield and quality of crops due to lack of water supply occur from time to time, so the use of plant transpiration rate is determined. The study of the influence of drought stress on the transpiration characteristics of plants has become an important issue in modern agricultural scientific research and has received widespread attention from the society.
Ashcrop is an excellent gramineous plant that can be used for afforestation of rocky mountainous areas and has very important development prospects. In order to study the utilization rate of gramineae for water, it provides the basis for the development and utilization of terrestrial reeds and uses the determination of plant transpiration rate. The instrument studied the effects of drought stress on the transpirational characteristics of the reeds. The research projects focused on the changes of the plant transpiration rate under different water supply conditions, the stomatal adjustment of the plants under different water supply conditions, the relationship between the plant transpiration rate and the leaf water potential and different treatment pairs. The effect of plant water use efficiency.
The results of the plant transpiration rate tester showed that under drought stress conditions, with the decrease of soil water potential, the transpiration rate of the genus Rhododendrons gradually decreased, and the stomatal resistance increased continuously. When the water potential dropped to a certain threshold, the stomata closed. The stomatal resistance drastically increased and the transpiration rate was reduced to the lowest level. In addition, the study also showed that the genus Ashcroft showed strong drought-resistance ability during the long-term maladaptive environment. Through research and analysis, it can be found that its drought resistance is mainly manifested in two aspects. First, through transpiration and other physiological processes, the various physiological functions in the body after drought exposure quickly return to normal, and the second is morphology through the surface pores and keratinocytes. Changes in morphological structure such as layers enhance drought resistance. The research also shows that the genus Atractylodes is highly efficient in the use of water. When drought stress is received, its water use efficiency is improved to varying degrees, and the plant's tolerance to drought is also enhanced.
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