population
Plants of a species growing in a given place at a given time. Two similar species may mingle, e.g., Solidago canadensis and Solidago altissima, but the botanical term 'population' would include one species or the other, not both.
Populations of voles are cyclical, so they may come again for a couple of years and then disappear for a number of years. If they are causing extensive damage to trees, shrubs and lawns, use baited mousetraps to reduce their population.
Population density varies from year to year. Dry periods will help shorten our misery, as the millers will move on through the area more quickly and not stay to linger over the many flowers seen in the spring of a wetter year.
"Population will increase rapidly, more rapidly than in former times, and 'ere long the most valuable of all arts will be the art of deriving a comfortable subsistence from the smallest area of soil."
Abraham Lincoln ...
The population at Cabramatta has been made up of young people who come from countries where they have lived through war and political turmoil. The school counsellor, Elisabeth Pickering has had a long interest in how to help traumatised young people.
The population of beneficial insects can't rebound at the same rate of problem pests. Nature designed the system that way to make sure there would always be an adequate food supply — or plant-eating bugs for the beneficial insects to consume.
The populations of gypsy moths surge and wane from year to year, making newspaper headlines in the years of worst infestation.
Native populations of escarpment live oak in some areas have been decimated by oak wilt. Harmless stem galls are another malady some trees may get.
Facts ...
Booming population growth and the attendant need for stable food crops ramps up the homogeneity of plant life. The health and vigor of a plant strain, however—whether food crop, forage, or rare species—depends on diversity.
-- whose population is declining in the wild, from human or other causes, and so they are protected by special federal or state laws. See also endangered species
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The deer population in many parts of the U.S. has increased enormously in recent years.
Pest Control in Vegetable Gardens
Every vegetable garden has resident and visiting populations of insects and bugs. Most are beneficial,.
Increasing population expands further into pristine nature, while our replacement flora tends to be non-native.
Parasitoid populations can be conserved by using insecticides that are compatible with these important biocontrol agents. Baits and pyrethrin space sprays are good examples of compatible insecticides.
As songbird populations are declining dramatically, organic
Bring in the Birds
Bird Gardening Regional Plant ...
Though human populations come and go, they share the same land. Some scientists speculate that entire civilizations have risen and fallen with the health and depletion of their topsoils.
Increase bird population with these great flowers that your feathered friends will love.
Bonus Edible Ornamentals
Read about three edible ornamental options for your backyard. They look nice and are edible--what a great combination! ...
5) Reduces weed population
Organic mulch can be separated into two categories based on its intended use: ...
as manifested by natural cycles and rhythms, community development and structure, interaction between different kinds of organisms, geographic distributions and population alteration.edaphic search for term- a.
Monitoring: Mite populations should be monitored closely and maintained at less than six to eight per leaf in orchards where Alternaria blotch has been a problem because mite stress increases disease severity.
As populations increase, webbing is often spun over foliage and flowers. These mites are most likely to be found on the underside of leaves and in the flowers.
There are several insects that will earn their keep, devouring aphids and keeping their populations in check. The most well known of these is the lady bug [see column to the right].
The world population is expanding at an astonishing rate. According to the United States Census Bureau, the world reached population has been growing exponentially, and experts estimate that the population will reach over 9 billion by 2050.
Hunting during the legal season or with Special permits will help reduce deer populations and crop damage.
This is a place where, in a high season that more than quadruples its year-round population of 15,000, salty New Englanders can find themselves bumping into the lawyer and longtime summer resident Alan M.
Chlorpyrifos and diazinon have been shown to reduce worm populations, and intensive application of synthetic fertilizers can also harm worm populations.
Because they are very prolific and an important biological control agent, Asian Lady beetles have been effective in eliminating and controlling the populations of many types of damaging aphids.
Never collect more than a very small percentage of the seed from a wildflower population. Once established, you will be able to get additional seeds from your own plants.
Our growing northwest population will continue to impact the quality and quantity of surface water in local streams and lakes as well as the quantity of groundwater available.
You probably wouldn't associate the local wild bird population as a positive contributor to natural lawn care, but you should! Following seeds, berries, and fruits, insects comprise a huge portion of the natural bird diet.
Their populations will vary according to the pile temperature. Psychrophilic bacteria work in the lowest temperature range. They are most active at 55° F and will work in the pile if the initial pile temperature is less than 70º F.
Squash bugs tend to be tolerant of pesticides, so using pesticides may not reduce the population. Because of this, insecticides are not usually necessary for squash bug control unless large numbers are found.
Fish can be a fun addition to a water garden and help keep the mosquito population in check. Plus, their wastes are a good source of nutrients for plants. The challenge is keeping the fish population under control.
Fall gardens can be challenging, since diseases and insects have had all season to grow and build their populations, but as long as you are careful and monitor for problems, you can control them.
Although spittlebug nymphs do feed on plant sap, the damage is minimal and populations are usually small, so no pesticide is necessary. A strong blast with a hose should be enough to dislodge a spittlebug nymph. They'll be gone in a few weeks anyway.
As an overall precaution, get a propane powered mosquito trap, such as the Mosquito Magnet, to reduce the mosquito population in your garden area.
Lack of Pollinators: A disease affecting honeybees has devasted their population in many areas. There are many other insects that step in and inadvertently do the job....sometimes. Some are harmful insects, some are harmless.
Bee populations, both feral and commercial, are falling around the world. As a result, commercial growers can no longer rely on fly-by pollination and have to bring in hives to ensure a crop.
It is possible to reduce your garden's Japanese beetle population by using organic methods and you don't have to completely eliminate this pest in order to save your plants.
Slugs and snails are difficult to eliminate, but the population can usually be limited by baits and traps, and by picking them off by hand. Be especially vigilant at dusk or after a shower of rain.
When populating your bin with worms, also keep in mind that worms, provided you give them adequate food and a good home, can double their populations every 90 days.
Hybrid swarm- An extremely variable population derived from the hybridization of two different taxa and consisting of the products of subsequent segregation and recombination, backcrossing, and crossing between the hybrids themselves.
In a similar manner, the use of plants that produce copious nectar and protein-rich pollen in a vegetable garden can support a population of beneficial insects to control pests.
As much as spiders give us "the creeps," they are so important in helping to keep the insect population under control in your garden. You can encourage spiders to patrol your garden, by building little shelters out of mounds of twigs or rocks.
"While the increase has been fueled by a maturing baby boomer population and a spike in home buying, people are also clueing in to the fact that it can add dollars to their home's value," said Rose Getch, ...
there are wild carnation populations established in Australia
carnation pollen is not spread by wind, and bee access to the pollen is limited because the pollen is heavy and sticky and buried deep in the flower ...
control action threshold. Pest population level at which treatment is necessary to prevent economic loss, also called economic threshold.
cornicle. Two tubular structures located on the posterior part of an aphid's abdomen.
The British butterfly population is in decline, and with the exception of the large and small white, they do little harm in the garden; in fact most of them are good pollinators.
Avoid using pesticides as much as possible to protect the bee population. If pesticide treatment is required, apply when bees are less active ? very early in the morning, just before dawn or just after sunset in the evening.
It is possible to buy anti-slug nematodes which, once the soil temperature is above 10 degrees Centigrade, will parasitise the local slug population. Nematodes are an expensive solution to be sure.
Normally results in a population of identical individuals. Can occur by either natural means (e.g., bulblets, cormels, offsets, plantlets, or runners), or by artificial means (e.g., cuttings, division, budding, grafting, or layering).
Biological control-The action of parasites, predators, or pathogens in maintaining another organism's population density at a lower average level than would occur in their absence.
What works best is to kill the adult slug and snail population early in the year before they lay their eggs. If you do that, you will be slug and snail free for the rest of the year without further applications.
In a diverse and healthy garden, beneficial insects prey on and parasitize pests, helping to keep their populations in check. Keep in mind that when you use insecticides, you also kill the good guys that prey on the pests.
One way to get the bees coming back and helping us pollinate our plants is to keep a bee hive of your own and support the population of bees! ...
You will be surprised at the differences in behavior and pleased at the daily antics around that one little acknowledgement of the local wild bird population. Same thing with a birdbath.
Remove their source of food. Keep the insect and rodent population under control.
Place garbage bags in sealed trash cans away from the house.
4. Mix different kinds of plants. Large expanses of just one sort can encourage equally large populations of pests fond of that plant. Mixed plantings favor more kinds of insects, including those that prey on the troublemakers.
Success will depend on your rodent population, available food sources, weather conditions etc. The use of several methods may produce the best results. If you know of any other ideas, let us know so that we may share them with our customers.
Sib Shorthand for sibling or sister/brother in a seedling population.
Simple Said of a leaf when not compound, or of an inflorescence when unbranched.
Sinensis/sinense Epithet meaning from China; from Asia generally.
Bare patches of soil will quickly be colonised by both annual and perennial weeds, so a well-stocked border is less likely to support a thriving population of these pesky plants.
 See also: Plant, Insect, Water, Spring, Flower
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