Physoderma xim av yog tshwm sim los ntawm tus chytridiomycete fungus, Physoderma maydis (syn. P. zeae-maydis), uas yog ze ze rau oomycete lossis dej pwm fungi, xws li raws li lub downy mildews. Tus kab mob no feem ntau yog ib qho tsis tshua muaj, kab mob me me hauv pob kws uas peb pom nyob rau ntau xyoo mus rau qib qis hauv Nebraska.
Y Physoderma xim av yog dab tsi?
Physoderma xim av yog ib qho kab mob me me uas pom muaj nyob hauv ntau thaj chaw uas cov pob kws cog qoob loo thiab cov nplooj blight theem ntawm tus kab mob tsis tshua muaj feem cuam tshuam rau cov qoob loo. Ntau qhov me me, puag ncig, liab doog ntawm nplooj, nplooj midribs, nplooj nplooj, los yog nplooj husk yog cov tsos mob.
Vim li cas thiaj muaj xim av ntawm kuv pob kws?
Physoderma xim av yog ua los ntawm cov fungus Physoderma maydis Cov tsos mob ntawm Physoderma xim av feem ntau tshwm sim ntawm cov nplooj ntoo nruab nrab. Nplooj nplooj muaj ntau heev, me me (kwv yees li ¼ nti inch), puag ncig mus rau oval, yellowish mus rau xim av, thiab feem ntau tshwm sim nyob rau hauv broad bands thoob plaws nplooj.
Dab tsi ua rau anthracnose rot?
Anthracnose stalk rot, tshwm sim los ntawm cov fungus Colletotrichum graminicola, tau nce hauv kev lag luam tseem ceeb, thiab tam sim no yog ib qho ntawm cov kab rots feem ntau hauv Indiana. Anthracnose stalk rot yog tshwm sim los ntawm tib cov fungus uas ua rau anthracnose nplooj blight.
nplej xim av yog dab tsi?
Brown spot is ua los ntawm cov fungus Cochliobolus miyabeanus Kuj hu ua Helminthosporium nplooj ntoos, nws yog ib qho kab mob ntau tshaj plaws hauv Louisiana. Thaum C. miyabeanus tawm tsam cov nplej thaum muaj xwm txheej tshwm sim, qhov tshwm sim ntawm cov nroj tsuag blight ua rau sparse lossis tsis txaus sawv thiab cov nroj tsuag tsis muaj zog (Daim duab 1).
