About 40 Million Mu Will be Affected in 2023! How to Deal wi
According to the Forecast of Occurrence Trend of Major Wheat Diseases and Pests in 2023 issued by the National Agricultural Technology Center, it is estimated that in 2023, wheat stripe rust will be moderately prevalent in general, with high epidemic risk in most parts of Hubei, southern Henan and southern Gansu, and moderate occurrence in wheat areas such as north central Henan, central and western Anhui, southwest Shandong, Sichuan Basin, most parts of Shaanxi, central and eastern Gansu, southern Ningxia and Ili River Valley in Xinjiang; The estimated land area nationwide is 40 million acres.
In addition, the National Agricultural Technology Center predicts that wheat leaf rust is expected to occur on 40 million mu in the wheat regions of North China, Huanghuai, Jianghuai, Southwest, and Northwest China.
近年来,锈病已经成为粮食生产上的主要病害之一,造成了严重的产量和经济损失。
锈病危害主要发生在作物叶部。作物一旦感染锈病,首先叶绿素被破坏,光合作用降低,呼吸作用失调。加上温度升高,使得蒸腾作用增强,叶片慢慢发黄,严重则枯死,使得作物后期产量大大降低。
锈病发病规律
接着,夏孢子萌发产生芽管,从气孔侵入形成夏孢子堆。成熟后,散出褐色粉末状夏孢子,可借助气流进行远距离传播并重复侵染。
在适宜温度内,寄主表面具备水滴是锈病菌夏孢子侵入的必要条件。
锈病难防治的主要原因
其次在药剂防治这块,给大家推荐一款对锈病效果非常好的药剂——六夫丁速班。
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2. 在其它作物上推广,建议先小范围内试验,确保安全再使用。
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