Give any one effect of pests on stored crops?

One effect of pests on stored crops is that they can cause contamination and spoilage of the crops, making them unfit for consumption or sale. Pests such as insects, rodents, and fungi can feed on stored crops, leading to the growth of mold, bacteria, and other harmful pathogens that can contaminate the crops and render them inedible. This can result in significant economic losses for farmers and food producers.

Mention five negative effect weed have on crops