Symptoms of SWP vary greatly. They include concentric
ringspots (Fig. 2A), and various patterns of chlorosis on leaflets
(Fig. 2B), stunting of all above-ground plant parts (Fig. 3), small
and/or misshapen geocarpophores (usually referred to as “pegs”),
pods and kernels, and reddish discoloration and cracking of seed
coats (Costa, 1941;