Trap crops produce egg hatching compounds that cause eggs to hatch but don t make good hosts and the juveniles are unable to set up a feeding site.
12.
It has become resistant to many pesticides, but can be controlled with integrated pest management techniques including deep ploughing, trap crops, chemical control using mineral oil, and biological controls.
13.
Since then, an integrated method involving new chemicals, natural predators, and trap crops has brought the insects under control, but Liu said keeping them that way will take careful monitoring.
14.
Though the second questioner might try planting a diversionary " trap crop " of nasturtiums, which, as the first questioner has observed, aphids adore, nasturtium growers will obviously have to consider something else.
15.
Flax ( " Linum usitatissimum " ) is an example of a trap crop that is used to reduce the amount of oospore inoculum in the soil, before planting a susceptible crop like sorghum or maize.
16.
He subsequently developed a wide range of new methods, which include crop rotations, such as broccoli and brussels sprouts, trap crops such as mustard and alfalfa, and the use of natural predators, to control strawberry specific pests and diseases.
17.
So-called trap crops _ flowers, alfalfa _ planted alongside cash crops attract beneficial insects and simultaneously take care of such nasty critters as the lygus bug, a small insect that winters in the hills and comes down to the valley in spring.
18.
Trap crops can be used to lure them away from desired plants and to encourage predator populations, and in small garden plots handpicking, the use of trap crops, and bug traps baited with methyl ( E, Z )-2, 4-decadienoate can be effective controls.
19.
Trap crops can be used to lure them away from desired plants and to encourage predator populations, and in small garden plots handpicking, the use of trap crops, and bug traps baited with methyl ( E, Z )-2, 4-decadienoate can be effective controls.
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