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最近下乡,一些地方农民反映玉米生长正常,但心叶卷曲,心叶扭曲呈鞭状畸形。夏玉米已有5~6张叶片,心叶展不开,包得很紧,用手也不容易撕开,植株高度正常。农友们询问玉米为什么会出现心叶卷曲的现象,该如何补救等。经田间调查,从大面积情况综合分析,导致这些现象的原因主要有以下几种情况。高温干旱造成玉米吸收肥水不足,出现心叶卷曲成筒状。不同品种对气候的适应性有所不同,心叶卷曲的比
Recently went to the countryside, some local farmers reflect the normal growth of corn, but the heart curly leaf, twisted heart whip-like deformity. Summer corn has 5 to 6 leaves, heart leaf exhibition is not open, the package is very tight, not easy to tear by hand, the plant height is normal. Farmers asked corn why the phenomenon of curled leaves appear, how to remedy. After field investigation, comprehensive analysis from a large area, leading to these phenomena mainly due to the following situations. High temperature and drought caused by insufficient fertilizer to absorb corn, heart curl into a tube. Different varieties of climate adaptability is different, the ratio of heart leaf curl