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AGRICULTURAL ADAPTATION TO CLIMATE CHANGE IN THE SAHEL:EXPECTED IMPACTS ON PESTS ANDDISEASES AFFLICTING SELECTEDCROPSAUGUST 2014This report is made possible by the support of the American people through the U.S. Agency for International Development (USAID). The contents are the soleresponsibility of Tetra Tech ARD and do not necessarily reflect the views of USAID or the U.S. Government.

This report was prepared by Alfonso del Rio1 and Brent M. Simpson2 through a subcontract to TetraTech ARD.1University2of Wisconsin, Department of HorticultureMichigan State University, Department of Agriculture, Food and Resource EconomicsThis publication was produced for the United States Agency for International Development by TetraTech ARD, through a Task Order under the Prosperity, Livelihoods, and Conserving Ecosystems(PLACE) Indefinite Quantity Contract Core Task Order (USAID Contract No. AID-EPP-I-00-06-00008,Order Number AID-OAA-TO-11-00064).Tetra Tech ARD Contacts:Patricia CaffreyChief of PartyAfrican and Latin American Resilience to Climate Change (ARCC)Burlington, VermontTel.: [email protected] FarmerProject ManagerBurlington, VermontTel.: [email protected]

CLIMATE CHANGE IN MALI:EXPECTED IMPACTS ON PESTSAND DISEASES AFFLICTINGSELECTED CROPSAFRICAN AND LATIN AMERICAN RESILIENCE TO CLIMATE CHANGE (ARCC)AUGUST 2014Expected Impacts on Pests and Diseases Afflicting Selected Cropsi

TABLE OF CONTENTSABOUT THIS SERIES . viINTRODUCTION TO THE TABLES . 1CEREALS . 13FONIO . 13FLOUR BEETLES . 13STRIGA WITCHWEED . 13LEAF SPOT DISEASE (LSD) . 14STEM RUST . 14MAIZE . 15AFRICAN SUGARCANE BORER . 15MAIZE STALK BORER (a.k.a. African Stalk Borer) . 16PINK STEM BORER . 16SPOTTED STEM BORER. 17DOWNY MILDEW. 17GRAY LEAF SPOT (GLS), CERCOSPORA LEAF SPOT . 18MAYDIS LEAF BLIGHT (MLB) . 18RUST . 19MAIZE STREAK VIRUS (MSV) . 19PEARL MILLET . 20MILLET EARHEAD CATERPILLAR, MILLET HEAD MINER . 20MILLET GRAIN MIDGE . 20MILLET STEM BORERS . 21WITCHWEED . 21BACTERIAL LEAF STREAK . 22DOWNY MILDEW. 23RICE . 23AFRICAN RICE GALL MIDGE (AfRGM) . 23AFRICAN STRIPED RICE BORER . 24AFRICAN WHITE BORER . 24BIRDS . 25RICE GRASSHOPPERS. 25RICE WEEVIL (RW) . 26SPIDER MITES. 26WHITEFLY . 27BACTERIAL LEAF BLIGHT (BLB) . 27RICE YELLOW MOTTLE VIRUS (RYMV) . 28SORGHUM . 28ANGOUMOIS GRAIN MOTH . 29KHAPRA BEETLE (KB) . 29SORGHUM APHID . 30SORGHUM MIDGE . 30Expected Impacts on Pests and Diseases Afflicting Selected Cropsii

SORGHUM SHOOT FLY . 31STRIGA PURPLE WITCHWEED . 31ANTHRACNOSE . 32LEAF BLIGHT . 33SORGHUM DOWNY MILDEW . 33ZONATE LEAF SPOT . 34FIBER CROPS. 35COTTON. 35COTTON APHID . 35COTTON BOLLWORM . 36PINK BOLLWORM (PB) . 36RED BOLLWORM (a.k.a Cotton Boll caterpilar) . 37ANGULAR LEAF SPOT, BACTERIAL BLIGHT OF COTTON . 37ANTHRACNOSE, PINK BOLL ROT, SEEDLING BLIGHT . 38FRUIT CROPS . 39CASHEW . 39CASHEW WEEVIL, STEM BORERS . 39COREID COCONUT BUGS . 39HELOPELTIS BUGS, MOSQUITO BUG, MIRID BUGS . 40LONG-TAILED MEALY BUG . 40THRIPS . 41ANTHRACNOSE . 41POWDERY MILDEW (PM) . 42MANGO . 43MANGO FRUIT FLY . 43MANGO WEEVIL. 43MEALY BUG . 44ANTHRACNOSE . 45MANGO MALFORMATION DISEASE (MMD). 45POWDERY MILDEW . 46SHEA NUT . 47BARK BORER . 47FRUIT FLY . 47MISTLETOE, HEMI-PARASITIC PLANT . 48NEMATODES . 48SHEA DEFOLIATOR . 49GRASSES . 50BOURGOU (ECHINOCHLOA STAGNINA). 50MAIZE STREAK VIRUS (MSV) . 50LEGUMES . 51AFRICAN LOCUST BEAN (NERE) . 51MISTLETOE (HEMI-PARASITIC PLANTS) . 51BROWN ROOT ROT . 51CERCOSPORA LEAF SPOT . 52HYPOXYLON CANKER . 52Expected Impacts on Pests and Diseases Afflicting Selected Cropsiii

COWPEA . 53COWPEA APHID. 53COWPEA WEEVIL . 53COWPEA WITCHWEED . 54LEGUME POD BORER, COWPEA CATERPILLAR . 54ROOT-KNOT NEMATODE . 55WHITE GRUBS (WG). 55WITCHWEED, PURPLE WITCHWEED . 56CERCOSPORA LEAF SPOT (CLS) . 56SCAB . 57COWPEA APHID-BORNE MOSAIC VIRUS (CABMV). 57GROUNDNUT . 58GROUNDNUT BRUCHID, GROUNDNUT SEED BEETLE . 58ASPERGILLUS FLAVUS . 58EARLY LEAF SPOT (ELS) . 59GROUNDNUT RUST (GR) . 59LATE LEAF SPOT . 60LEAF SCORCH . 60WEB BLOTCH . 61GROUNDNUT ROSETTE VIRUS . 61PEANUT CLUMP VIRUS (PCV) . 62OILSEED CROPS .