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一、病害草坪草在其生长发育的过程中需要一定的外界条件,如阳光、温度、水分、营养、空气等。如果这些条件不适宜,或者遭受有害生物的侵染,使其新陈代谢受到干扰或破坏,甚至导致局部整株死亡,这种现象就称为草坪病害。草坪病害依据致病原因不同,可分为二类。一类是由不适宜的环境条件引起的病害,称为非侵染性病害;另一类是由有害生物的侵染引起的病毒,称为侵染性病害。侵染性病害的病原物主要包括真菌、细菌、病毒、类病毒、类菌质体、
First, the disease turfgrass in its growth and development process requires a certain amount of external conditions, such as sunlight, temperature, moisture, nutrition, air and so on. If these conditions are not suitable, or suffer pest infestation, its metabolism is disturbed or destroyed, and even led to the death of the whole plant, a phenomenon called turf disease. Lawn disease based on different causes, can be divided into two categories. One is diseases caused by unfavorable environmental conditions, called non-infective diseases; the other is viruses caused by pest infestations, called infectious diseases. Pathogenic diseases include infectious diseases mainly fungi, bacteria, viruses, viruses, mycoplasma,