Assertion: watermelon | /r/Causes | whitefly
Facets:
value: during the growing season
type: TEMPORAL
value: to move into the crop
type: PURPOSE
Source sentences:
text: Weeds should be removed before watermelons are planted because weed senescence during the growing season may cause insect pests, such as aphids, thrips, and whiteflies, to move into the crop.