麦田主要禾本科杂草的发生动态及防治措施

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(接上期)二、如何区分麦田禾本科杂草阔叶杂草如播娘蒿、荠菜、麦瓶草、猪秧秧、麦家公等都易与小麦区分开,而禾本科恶性杂草如雀麦、节节麦、看麦娘、野燕麦等苗期与小麦长相相似,不易区分,必须仔细分辨。分辨步骤如下:首先看与大田小麦长相是否一致,如果麦田的行间有比麦苗叶窄的苗,那可能就是禾本科的杂草。进一步区分如果根茎处发白,但表面具柔毛,并且无叶耳,应是野燕麦。如果还要分清雀麦、节节麦可以挖出一株,若根部有桶状的种子,是节节麦。其他的禾本科杂草的种子与小麦相近,但一般比小麦种子秕瘦。 (Continued) Second, how to distinguish between wheat field weed grass broad-leaved weeds such as Sowing Artemisia, shepherd’s purse, bottle grass, piggy seedlings, wheat and other public are easy to distinguish wheat and wheat, and gramineous weeds such as Bromet, section of wheat, wheat, wild oats and other seedling looks similar to wheat, not easy to distinguish, we must be careful to distinguish. Discrimination steps are as follows: First of all, to see whether the appearance of field wheat is consistent, if the wheat field between rows than the barley seedlings narrow, it may be grass weeds. Further distinguish if the rhizome whitish, but the surface is pilose, and no auricles, should be wild oats. If you have to distinguish between the broccoli, austere wheat can dug a strain, if the root of a bucket of seeds, is section of wheat. Other grass weeds have similar seeds to wheat but are generally thinner than wheat seeds.
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