小麦秆黑粉病,俗称乌麦、枪杆、黑铁条,是小麦黑穗病的一种,属真菌病害。我国大部分麦区都有发生,近年小麦秆黑粉病在北方麦区有回升趋势。一、发病症状病菌侵染小麦幼芽,达到生长点以后就能随着小麦的生长,为害小麦的整个植株,包括茎、叶和穗等。 Wheat stalk powdery mildew, commonly known as oats, guns, black iron, is a wheat smut is a fungal disease. Most of our wheat areas have occurred in recent years, wheat straw powdery mildew in the northern region have a rising trend. First, the symptoms of pathogens invade wheat sprouts, to grow point can be with the growth of wheat, the entire plant damage to wheat, including stems, leaves and spikes.