An Expert Named the Main Reasons for Yellowing of Wheat Flag Leaf during the Grain Filling Phase

On many wheat fields, especially where the previous crop was stubble, yellowing of the flag leaf can already be observed. Oleksiy Sergiyenko, an expert in agricultural technologies and head of ArtFields company, explained the reasons and whether this threatens the harvest. According to him, this year many wheat fields were indeed sown after wheat, because unfavorable conditions for winter rapeseed sowing meant farmers had to sow wheat after stubble predecessors. "Currently, we can observe the grain filling phase, with grains forming in the ears, but with a mottled flag leaf. Sometimes even completely yellow. To professionally answer questions about the causes of this phenomenon, a detailed laboratory analysis of plants is necessary, checking for infection and, first and foremost, nitrogen," says Oleksiy Sergiyenko. He names 3 main factors that could have influenced the flag leaf condition. The first is insufficient nitrogen fertilizers. "May was marked by unfavorable conditions, ...