DCCAM-MRNet: Mixed Residual Connection Network with Dilated Convolution and Coordinate Attention Mechanism for Tomato Disease Identification

Table 7

Symptoms and image sources of 6 tomato diseases.

Disease type	Disease picture	Early symptoms of the disease	Advanced symptoms of the disease	Data sources
Leaf mold		Irregular or elliptical yellowish spots appear on the leaf blade, with indistinct margins of the spots.	The disease spot breeds gray or black irregular-shaped mold layer.	Tomato greenhouse
Septoria leaf spot		Round or nearly round spots appear on the front and back of the leaf with dark brown margins and many small ink-colored grain spots scattered.	The leaves are covered with spots, and the leaves turn yellow, causing early abscission.	Internet
Yellow leaf curl virus		The upper leaves are slightly yellowed and irregularly spotted. Purple veins frequently appear on the abaxial leaf.	The upper leaves and new shoots show symptoms, with small and red opaque	Internet
Tomato mosaic virus		Unevenly mottled shades of green, the leaves do not become smaller, and they do not produce deformities.	Leaf-blade shows yellow-green, flowering leaves are uneven.	Tomato greenhouse
Target spot		Subround, irregular brown spots on the leaf blade.	The color of the spot deepens, the area of the spot becomes larger, and it leads to leaf perforation.	Tomato greenhouse
Two-spotted spider mite		Many tiny greenish spots are scattered in the leaves' middle and lower parts.	The leaves fade to grayish-yellow and fall off.	Internet