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The maize streak is the most damaging disease of maize in Ghana. Maize streak virus is a foliar disease transmitted by the white fly. It is very common in late planted maize. Early disease symptoms include very small, round, scattered spots in youngest leaves. The number of spots increases with plant growth and elongates causing leaf chlorosis with broken yellow streaks along veins contrasting with dark green of normal leaf. The disease can cause severe stunting and barrenness of affected plants.

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