Effects of Temperature and Rainfall on Physiological Activity of Plants

Effects of Temperature and Rainfall on Physiological Activity of Plants

Temperature and rainfall are two factors of the climate. At this stage, climate change is a major issue facing humanity. The climate has become very harsh and the world is witnessed. The destruction of the ozone layer, the rise in global temperatures, and so on, are all climate issues that we need to face. The impact of climate on plants can be reflected in the influence of temperature and rainfall on plant physiological activities. In this paper, we mainly use small weather stations to measure changes in temperature and rainfall.

Changes in rainfall and temperature have a great influence on photosynthesis and related physiological parameters of plants. For example, in order to investigate the effects of gas exchange and PSII photochemical efficiency on the four kinds of watering quantity, the sand-shade seedlings of the dominant shrubs in Mu Us Sandy Land were studied. The results showed that different watering rates significantly affected the net photosynthetic rate, transpiration rate, stomatal conductance, and intercellular CO2 concentration of Salix psammophila seedlings. Except that the temperature of seedling leaves decreased with increasing watering amount, other factors increased with the amount of watering. When the amount of water increased, the photosynthetic rate of seedlings obviously had a “nap” phenomenon. Adequate watering effectively eliminated the “nap” phenomenon of the net photosynthetic rate of seedlings; watering increased the light compensation point of Salix seedlings and improved Saturated light intensity and apparent quantum efficiency, and under different amounts of water applied, the photosynthetically active radiation of environmental factors (which can be measured by a small weather station), atmospheric temperature, atmospheric saturation vapor pressure differential and physiological variables, stomatal conductance, leaf Temperature and intercellular CO2 concentration significantly affected the net photosynthetic rate of seedlings.

Small meteorological stations are used very frequently in the study of plant physiology. It can measure up to 10 parameters at the same time by connecting different sensors. Such as wind speed, carbon dioxide, rainfall, temperature, humidity and other parameters. Small weather stations have been widely used in meteorology, facilities agriculture, forestry, horticulture, animal husbandry and other fields.