APSnet Feature - Forecasting Long-Range Transport of Downy Mildew Spores and Plant Disease Epidemics - Image - Sporangiophore (stalk) of P. tabacina on bottom surface of tobacco leaf with sporangiospores (conidia) attached

Fig. 3. Sporangiophore (stalk) of P. tabacina on bottom surface of tobacco leaf with sporangiospores (conidia) attached.