Throughout Ukraine, there is a sharp decrease in air temperature during the day and up to long frosts at night.
CRITICAL RISK
In the spring, in the phase of the end of tillering - the beginning of the tube emergence (ВВСН 31-32 / second internode) t= (-2)°C and below can damage not only the vegetative mass (marginal or apical necrosis), but also the central stem of winter wheat (germ freezing/freezing), both without cracking the stem and with cracking.
❗️ Loss of the central shoot = direct loss of yield❗️
CONSEQUENCES OF STRESS
Frosts, frosts, hail CAUSE destruction of plant cells, necrosis, inhibition of metabolism, which disrupt hormonal balance (increase in abscisic acid), significantly reduce the efficiency of nutrition and, ultimately, there is a decrease in yield.
❗️RECOMMENDATIONS❗️
Application of RRR "AKM" (0.5 l/ha). The working solution rate is 100 l/ha. Duration of treatment is 21 days. Work only during the day at an air temperature of +5*C. Treatment is relevant either BEFORE night frost or IMMEDIATELY AFTER‼️
PLEASE NOTE! The manifestation of necrosis may not be in the morning, but within 2-3 days.
Photos were taken on 04/24/2025 in the Dnipro region. There were short-term frosts/frosts from -2 …-7*C
