State four effects of pests with both piercing and sucking mouth parts on crops

      

State four effects of pests with both piercing and sucking mouth parts on crops

  

Answers


Isacko
v They suck plant sap causing wilting/stunted growth.



v Some inject toxic saliva/secretions, which may cause distorted growth/death of plants.



v They lower quality of crop products.



v They transmits/introduces disease agents.



v They Inflicts wounds/openings which provide entry for secondary infections.



v They lowers crop yields.
Mohaissack answered the question on October 10, 2017 at 14:49


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