Integrated control first — rotation, resistant varieties and trap monitoring — with registered product only once thresholds are hit.
Root-knot nematode
Rotation away from solanaceous crops, resistant variety choice, registered pre-plant nematicide where counts are high
Cutworms and mole cricket
Poison bait before transplanting and clean field margins
Cotton leafworm
Egg-mass collection plus Bt-based biological control at threshold
Whitefly and aphids (virus vectors)
Yellow traps for monitoring, registered systemic material only at threshold
Fusarium and soil rot
Certified G1 slips, resistant variety choice, avoid replanting infected blocks
Rhizopus soft rot (post-harvest)
Minimise skinning at harvest, cure immediately, sanitise crates and packing line
A general programme for sweetpotato under Egyptian conditions. Rates and products are adjusted per variety, soil analysis and season with the SPI agronomist, and only products registered with the Ministry of Agriculture are used.
