51.   The researchers attributed the sharper reduction in potato yields on organic farms to a low potassium supply and to an infestation of insect pests.

52.   The StarLink corn was engineered to be toxic to insect pests.

53.   The warmer weather is likely to cause more plant disease and insect pests and increase the threat of forest fires, the report said.

54.   While insect pests such as the balsam woody adelgid, balsam twig aphid and spruce mite can be controlled adequately with pesticides, phytophthora is much harder to combat.

55.   IRRI scientists, for instance, have successfully placed genes from bacteria and soybean into rice to improve resistance to the common insect pest, yellow stem borer.