▁players ▁Category : P awt uck et ▁Red ▁So x ▁players ▁Category : S ports people ▁from ▁Be aver ton , ▁Oregon ▁Category : S ports people ▁from ▁Eug ene , ▁Oregon ▁Category : S ports people ▁from ▁Ta com a , ▁Washington ▁Category : W inst on - S alem ▁Red ▁So x ▁players <0x0A> </s> ▁Sc ut ell on ema ▁br ad ys , ▁also ▁known ▁as ▁y am ▁n emat ode , ▁is ▁a ▁mig rat ory ▁end op ar as it ic ▁n emat ode ▁causing ▁major ▁damage ▁to ▁y am ▁( D ios core a ▁s pp .) ▁c rop ▁in ▁many ▁African ▁tropical ▁regions , ▁as ▁well ▁in ▁parts ▁of ▁South ▁and ▁Central ▁America ▁and ▁Asia . ▁They ▁can ▁cause ▁reduction ▁of ▁ 2 0 - 3 0 % ▁in ▁t uber ▁weight ▁at ▁har vest . ▁ ▁This ▁n emat ode ▁is ▁able ▁to ▁multiply ▁in ▁dry ▁conditions ▁causing ▁complete ▁ro tt ing ▁tub ers , ▁called ▁dry ▁rot , ▁which ▁decre ases ▁the ▁commercial ▁value ▁of ▁the ▁tub ers . ▁D ry ▁rot ▁of ▁y am ▁occurs ▁in ▁the ▁outer ▁ 1 – 2   cm ▁of ▁tub ers . ▁Sym pt oms ▁of ▁dry ▁rot ▁of ▁y am ▁include ▁ne c rot ic ▁les ions ▁beneath ▁the ▁skin , ▁followed ▁by ▁yellow ▁les ions ▁below ▁the ▁outer ▁skin ▁of ▁the ▁t uber . ▁External ▁cra cks ▁appear ▁in ▁the ▁skin ▁of ▁the ▁t uber . ▁The ▁in fe ctions ▁created ▁by ▁the ▁n emat