种子质量的优劣,直接关系到产量的高低,面对种子由独家经营转向多家经营,农民购种时既要查看其质量合格证,又要凭感官比较其质量,择优购买。 感官检查,就是用眼看、手摸、牙咬、鼻嗅、耳听、舌尝等办法来鉴定种子优劣。具体方法如下: 1.看色泽辨认新旧种子。陈种子比同等质量的新种子发芽率要低,出苗较慢。凭感官看,新种子有光泽、发亮、有新鲜感,种子的 The pros and cons of seed quality is directly related to the level of output. In the face of the diversion of seeds from exclusive management to diversified operations, farmers should not only look at their quality certificates when purchasing, but also compare their qualities with those of their senses to buy them. Sensory examination, that is, with the eyes, hand touch, teeth bite, nose sniff, ears, tongue taste and other ways to identify the merits of the seeds. Specific methods are as follows: 1. Look at the color to identify old and new seeds. Chen seeds have lower germination rate than new seeds of the same quality, with slower emergence. With the senses look, the new seed is shiny, shiny, fresh, seeds