Potato (Solanum tuberosum L) has high productivity per unit area and its versatility in utilization makes it the second most important food crop in Kenya after maize. Potatoes are grown twice annually (long and short rains) and it is estimated 1.5 million tonnes are produced on about 161,000 hectares of land. This is worth between Ksh 40-50 billion each year and compares well with annual maize …