EFFECTS OF TEMPORARY WATER STRESS BEFORE ANTHESIS ON GROWTH, DEVELOPMENT AND GRAIN YIELD OF SPRING WHEAT

摘要

Soil water availability can limit grain yields of spring wheat in humid climates. The objective of this study was to quantify the effect of temporary water shortage at three stages during the development, i.e. stem elongation to flag leaf stage (WS1), flag leaf stage to ear emergence (WS2) and ear emergence to anthesis (WS3) on the growth, development and grain yield of spring wheat with special emphasis on the interaction between cultivars and nitrogen treatments. A pot experiment with controlled water supply and rain shelters was conducted in 1984 and 1985 in Kiel, NW Germany.