Crops

Each crop hub connects its varieties, diseases, planting windows, research, and the companies breeding it. The tomato vertical is the deepest today; the rest of the database grows crop by crop.

• vegetable

  Tomato

  The most widely grown home-garden vegetable in the United States and a major commercial transplant crop, spanning thousands of cultivars from currant-sized snackers to two-pound beefsteaks.

  258 varieties · 17 diseases mapped

• vegetable

  Watermelon

  A warm-season cucurbit grown from seed or transplant, and the crop at the center of bacterial fruit blotch, the seedborne disease that reshaped cucurbit seed testing in the 1990s.

  3 diseases mapped

• vegetable

  Cucumber

  Fast warm-season cucurbit grown for slicing and pickling; a secondary host in the bacterial fruit blotch complex.

  4 diseases mapped

• vegetable

  Melon

  Muskmelons and cantaloupes: warm-season cucurbits sharing watermelon's seedborne disease pressure.

  3 diseases mapped

• field crop

  Corn

  America's largest seed market and the crop at the center of the industry's defining modern controversies: StarLink, adventitious presence, and the narrowness of elite germplasm.

  0 diseases mapped

• field crop

  Wheat

  The self-pollinated staple of the American plains, and the crop behind the 1996-1997 Karnal bunt quarantine crisis that tested U.S. seed and grain export systems.

  1 disease mapped

• forage turf

  Perennial Ryegrass

  The fast-establishing backbone of American turf and forage seed, grown overwhelmingly in Oregon's Willamette Valley.

  0 diseases mapped

• vegetable

  Pepper

  One crop, five domesticated species: everything from a heatless bell to the Carolina Reaper belongs to Capsicum, and which species a variety comes from predicts far more than its heat does.

  252 varieties · 7 diseases mapped