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    • Effect of aphids and virus diseases on yield of seed potatoes in Kenya 

      MACHANGI, J; OLUBAYO, F; NDERITU, J; NJERU, R; EL-BEDEWY, R; OBUDHO, E (University of Nairobi.Department of Crop protection, 2003)
      Experiments were conducted at 2 sites to determine the relationship between aphid populations, virus incidence and yields on 4 potato varieties (Solanum tuberosome). These varieties were planted at Tigoni and Kabete during ...