在大蒜产区,蒜农都普遍感到,蒜头越来越小,蒜薹也变短变细。山现这种现象,说明您使用的大蒜品种已经退化,在这种情况下,即使增加肥水投入,也不能有效地提高产量和品质。病毒感染是退化的主要原因。由于大蒜本身的特性,一旦感病,病毒就一代一代 In garlic producing areas, garlic farmers are generally felt, garlic smaller and smaller, garlic sprouts also become shorter and thinner. The fact that the mountain is present indicates that the garlic variety you are using has deteriorated. In this case, even increasing fertilizer and water inputs can not effectively increase the yield and quality. Viral infection is the main cause of degeneration. Due to the characteristics of garlic itself, once the disease, the virus generation by generation