水活度、温度及其互作对黄萎轮枝孢菌分生孢子萌发的影响。
Influence of Water Activity, Temperature, and Their Interaction on Germination of Verticillium albo-atrum Conidia.
机构信息
Department of Botany, University of Rhode Island, Kingston, Rhode Island 02881.
出版信息
Plant Physiol. 1970 Aug;46(2):347-9. doi: 10.1104/pp.46.2.347.
Conidia were germinated at three temperatures in media in which available water, expressed as water activity, was controlled at three levels. Rate of germination in the basal medium (0.9964 water activity) was most rapid at 25 C and was inhibited at 15 and 30 C. Lowering the water activity at a particular temperature decreased rates of germination. However, at a low water activity (0.9778) germination rate was greater at 30 C than at 25 C. Thus, the effect of temperature on germination appears to be dependent on the water activity of the medium.
分生孢子在三种温度下于控制在三种水平的可用水（以水活度表示）的培养基中萌发。在基础培养基（水活度 0.9964）中，25°C 时萌发速度最快，在 15°C 和 30°C 时受到抑制。在特定温度下降低水活度会降低萌发率。然而，在低水活度（0.9778）下，30°C 时的萌发率大于 25°C。因此，温度对萌发的影响似乎取决于培养基的水活度。
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