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Fig. 2 | BMC Plant Biology

Fig. 2

From: Maize Lethal Necrosis disease: review of molecular and genetic resistance mechanisms, socio-economic impacts, and mitigation strategies in sub-Saharan Africa

Fig. 2

Transmission of MLN causing viruses. At the center, we have a maize plant that is amenable to infection by any of the four potyviruses on the right and MCMV on the left. The model further shows the main grass family members acting as reservoirs of the four important potyviruses (SCMV, MDMV, JGMV and WSMV) linked to MLN with aphids acting as the main transmitting vectors and a wheat curl mite transmitting only WSMV. Different dispersal mechanisms of MCMV ranging from transmission by thrips, beetles and rootworms has been presented on the left. Further, it lists mechanical, soil residues and contaminated seed as important transmission mechanisms of MCMV while the role of irrigation water and nematodes remain questionable

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