Sentences with phrase «major insect pest»

Diamondback moth (DBM) is a major insect pest of cabbage, kale, broccoli and canola.

We focus instead on one major insect pest --- wheat stem sawfly (Cephus cinctus Norton)-- on Montana's dominant crop, wheat, to illustrate the mechanisms and principles involved in assessing climate change effects on agricultural pests and their impacts on crop yield or quality.

Farmers also face threats from viruses, including Cassava Brown Streak; Cucumber Mosaic Virus; African Cassava Mosaic Virus; and Cotton Leaf Curl, as well as major insect pests such as weevils and stem, fruit, and grain borers, and insects that serve as vectors for disease transmission.

Not exact matches

There are three major strata of tradition mingled here; no single stratum appears to have recorded all nine wonders; and some could well be duplicates - the third (P») and fourth (JP), for example, both being plagues of insects; or eighth and ninth, both being plagues of darkness.

The insect is a major pest in both countries — in New Zealand it has been estimated to cost the economy in excess of $ 130 million each year.

Other aspects of global warming's broad footprint on the world's ecosystems include changes in the abundance of more than 80 percent of the thousands of species included in population studies; major poleward shifts in living ranges as warm regions become hot, and cold regions become warmer; major increases (in the south) and decreases (in the north) of the abundance of plankton, which forms the critical base of the ocean's food chain; the transformation of previously innocuous insect species like the Aspen leaf miner into pests that have damaged millions of acres of forest; and an increase in the range and abundance of human pathogens like the cholera - causing bacteria Vibrio, the mosquito - borne dengue virus, and the ticks that carry Lyme disease - causing bacteria.