Nrụ ọrụ dị elu, ụdịdị dị iche iche, usoro ihe eji arụ ọrụ ogologo oge, ọ nwere ike iduzi n'elu n'oge ngwa mgbọrọgwụ, mana ọ bụghị isi. Enwere ike iji ya dị ka ịgba foliar. Ọnụ ego a na-agbapụta bụ 2.25 ~ 3.75g mgwa ihe / hm, nke nwere ike ijikwa ọtụtụ ihe ọkụkụ. The fungal ọrịa na mgbọrọgwụ ire ere ọrịa nwere ma na-echebe ma na ọgwụgwọ mmetụta. A na-ejikwa ya maka nchekwa nke ọrịa citrus, apụl, pears na unere. Ejiri 500 ~ 1000mg / L na 700 ~ 1500mg / L na-agwọ ya mmiri ọgwụ n'otu n'otu.
Dị ka GB 2760-2001 (g / kg) si dị: Nchekwa mkpụrụ bụ 0.02; a na-echekwa ahịhịa galik na ose na-acha akwụkwọ ndụ 0.01 (ego fọdụrụ ≤ 0.02).
Dabere na ihe fọdụrụ (mg / kg) nke FAO / WHO (1974) kwuru: citrus ≤ 10, banana ≤ 3 (dum) ma ọ bụ 0.4 (mkpụrụ osisi pulp).
Nhazi usoro
Ọ nwere ike igbochi ma chịkwaa ọrịa fungal nke ọtụtụ osisi. Enwere ike iji ya na-emeso mkpụrụ osisi na akwụkwọ nri mgbe emechara ihe ubi. Ọ nwere ike igbochi ụfọdụ ọrịa na-eme n'oge nchekwa. Ọ na-e ọtụtụ-eji n'ụlọ na mba ọzọ. Dịka ọmụmaatụ, a na-etinye citrus na 500-1000ppm mmiri mmiri iji gbochie penicillium na akwụkwọ ndụ akwụkwọ ndụ n'oge nchekwa, banana na-etinye mmiri 750-1500ppm iji gbochie okpueze ire ere na anthracnose n'oge nchekwa, ọ nwekwara ike tinye ya na 500-1000ppm mmiri mmiri apụl, pears , painiapulu, mkpụrụ vaịn, strawberries, kabeeji, kabeeji, tomato, mushrooms, sugar beets, poteto ụtọ, wdg, na-egbochi ọrịa n'oge nchekwa.