Phosphorus for corn under drought stress the impact of physiological characteristics- 05 graduates graduation session (first draft)Abstract:In this experiment through the water culture method to cultivate maize seedlings will be planted corn seeds in the absence of P elements in the culture medium of Deficiency, the reprovision of a phosphorus-containing culture medium only for watering. In nurturing the process of helping 35% of drought stress (in this case to the soil water holding capacity of the largest 80 percent is normal). Every week in a culture medium for every two-day training session to each subject to the same volume of phosphate solution. In other words, when dealing with liquid culture plate wall epiphytic algae are cultured in the process of pest rodent, the seedlings cultured on a warm Xiangyang until seedlings grow to about 10CM roots of maize seedlings measured the total area, dry weight, wet weight, total sugar content (anthrone colorimetric), total protein (Coomassie Brilliant Blue G-250) content. Use these data to assess the growth status of corn. Phosphorus content in accordance with the abscissa, the ordinate physiological parameters for growth curve for result analysis. The cause of the results obtained are as follows: ① With the increase in phosphorus content, root length of maize seedlings and the abundance of sub-root system has improved, more robust root, root for the overall performance of the total area to improve. ② With the increase in phosphorus content, plant dry weight of maize seedlings to improve. ③ With the increase in phosphorus content, wet weight of corn plants to raise seedlings. ④ With the increase in phosphorus content, total sugar content in plants to improve. ⑤ With the increase in phosphorus content, total protein content of plants to experimental results on the draw: under drought stress, phosphorus for promoting the role of maize words: maize drought stress physiological effects of phosphorus concentration in the concentration of the protein concentration of sugar