Also known as Doryphora decemlineata. It is approximately 10 millimeters in length, with a bright yellow…
"The [potato beetle larva] is pale yellow, or, rather, dusky-yellow, or freckled with minute black dots…
"Showing Furrow Method of Irrigating Potatoes. The arrows indicate the direction taken by the capillary…
A fungal disease that affects potato plants. It causes small lesions on the plant, eventually killing…
The common name of batatas edulis is the sweet potato. The tubers of the plant are edible.
Death's head moth feeds on potato, goji berry, and jasmine plants. These moths often have a straight…
A shows the cross section of the ovary of the gooseberry flower is formed by two carpels joined near…
Phytophthora infestans is known as the potato disease fungus. This is the fungus that caused massive…
Pictured is a potato leaf that has been attacked by phytophthora infestans. Phytophthora infestans is…
Air potato is the common name of dioscorea bulbifera. The tubers sometimes weigh several pounds. They…
Illustrated is the early blight of a potato plant. It is a type of lesion causing more or less sudden…
Illustrated is tip burn of the potato leaf. It is a physiological difficulty or disease.
Tree tomato or upright tomato is the common name of lycopersicum esculentum validum. It looks like a…
A tumbler containing a piece of potato. It is covered with cotton. This is used to grow bacteria.
A branch of a vineless sweet potato plant, showing the crowded position of leaf stems.
Three shapes of sweet potato leaves. On left, cut-leaf type; in center, shouldered leaf; and on right,…
Devices used to set sweet potato slips and vine cuttings. In setting out potatoes, the farmer uses either…
Plows used to dig sweet potatoes. "The long vines must be first disposed of. They are usually pulled…