write about the experiment of aphids ?
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write about the experiment of aphids ?
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Answer:
Stand management in lucerne (Medicago sativa) was used to conserve natural enemies and reduce overwintering aphid (Acyrthosiphon kondoi and A. pisum) numbers. Comparison of stem and sweep net counts allowed sweep counts of predators to be calibrated, and showed that the parasite, Aphidius eadyi, and the predator, Micromus tasmaniae, were best synchronised with lucerne aphid populations. Lucerne reservoirs created by strip-cutting or strip-grazing were associated with lower aphid populations and lower ratios of aphids:predators, except in spring. Laboratory-bred parasites were released to augment early spring populations, but slow dispersal reduced their impact. Winter grazing and herbicide treatment significantly reduced aphid populations in spring. Insecticide trials confirmed the place of pirimicarb as a selective aphicide in integrated programmes.
Explanation:
Answer:
This is an observation project that should teach you some basic concepts behind
scouting. In this project you will learn about milkweed aphids, and about some of the predators and parasites that feed on this aphid. Hopefully, you will become a little more intrigued by the wonders of nature that occur in your own yard. While at times you may find the observations excessive, science always finds a way to overdo the basicobservations of life. This experiment will help you understand what to look for when scouting for bugs. It will also help to determine the places you should look, not to mention blaze the path to becoming an aphid expertexpert .
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