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2009-08-21 09:55:00

New algorithm explores future changes in plant populationsThe ability to envisage the future may be closer than you would think. A recent paper by Sean Hammond and Karl Niklas in the August 2009 issue of the American Journal of Botany (available here) presents an algorithm that may be used to predict the future dynamics of plant communities, an increasingly interesting area of study as significant environmental changes, such as global climate change and invasive species, are affecting current...

2009-07-22 16:05:35

The owner of a Virginia office building said someone has stolen 18 bushes planted along the front and side of the building. Dan Holly, owner of the Suffolk, Va., office building, said the first 11 bushes went missing more than a week ago and building managers noticed the remaining shrubs were gone Monday morning, The (Norfolk) Virginian-Pilot reported Wednesday. For somebody to steal bushes out of the ground? Come on, y'all. That's ridiculous, Holly said Tuesday. Holly said he is offering...

2009-07-13 11:06:15

The appearance of many species of flowering plants on Earth, and especially their relatively rapid dissemination during the Cretaceous (approximately 100 million years ago) can be attributed to their capacity to transform the world to their own needs. In an article in Ecology Letters, Wageningen ecologists Frank Berendse and Marten Scheffer postulate that flowering plants changed the conditions during the Cretaceous period to suit themselves. The researchers have consequently provided an...

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2009-07-09 13:19:41

Scientists have determined that the oldest viable seeds in the world, dating from the Pleistocene era, are not as old as experts once believed, BBC News reported. The seeds, which have been grown into live Arctic lupine plants, are not 10,000 years old as believed, according to new dating techniques. In fact, using the new methods, scientists have concluded they are actually modern seeds that contaminated ancient rodent burrows. However, the scientist who debunked the record said it remains...

2009-02-11 10:20:35

A U.S. study suggests a burst of flowering plants 90 million years ago led to the formation of forests and similar evolutionary bursts in animals. The University of Florida-led study was based on a DNA analysis of living flowering plants. Researchers determined the burst of speciation during a 5-million-year span was one of three major radiations of flowering plants, known as angiosperms. The study focused on diversification in the rosid clade, a group with a common ancestor that now accounts...

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2009-02-10 11:30:29

A new University of Florida study based on DNA analysis from living flowering plants shows that the ancestors of most modern trees diversified extremely rapidly 90 million years ago, ultimately leading to the formation of forests that supported similar evolutionary bursts in animals and other plants. This burst of speciation over a 5-million-year span was one of three major radiations of flowering plants, known as angiosperms. The study focuses on diversification in the rosid clade, a group...

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2008-11-20 11:38:28

Plants that range northward because of climate change may be better at defending themselves against local enemies than native plants. So concludes a team of scientists including a University of Florida geneticist. The team's findings, reported in yesterday's online edition of Nature, suggest that certain plants could become invasive if they spread to places that were previously too cold for them. "This paper is the first to suggest that the mechanisms that aid invasive species when they move...

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2008-11-10 10:36:20

Only 2 genes make the difference between herbaceous plants and trees Annuals and perennials Annual crops grow, blossom and die within one year. Perennials overwinter and grow again the following year. The life strategy of many annuals consists of rapid growth following germination and rapid transition to flower and seed formation, thus preventing the loss of energy needed to create permanent structures. They germinate quickly after the winter so that they come out before other plants, thus...

2008-10-04 18:00:11

If we get an autumn drought, water trees and shrubs, which are producing next year's buds. Autumn leaves composted separately to kitchen waste produce valuable mulch. If your soil needs improving buy a bale of hay and dig it in. Plant out spring-bedding perennials such as wallflowers and forget-me-nots by the month's end on heavy soil. Lift and store chrysanthemums, also dahlias, above, after cutting back to 4in. Lift, split and replant clumps of perennials which have become...

2008-09-25 17:46:30

AS the seasons change and crisp autumnal leaves start to fall, now's the perfect time to ensure your garden is ready for the harsh winter conditions. Autumn is traditionally a time to protect your very own horticultural haven from the bitterly cold winds, rain and freezing temperatures of the approaching winter weather. If you're keen to keep your garden in tip-top condition over the coming months, key jobs to undertake in September/October include covering ponds with a net to prevent...


Latest Plants Reference Libraries

Flower garden
2013-08-21 08:27:49

Flower gardens, used for beautification purposes, contain various flowering plants providing blooms all year long and can be elaborate or simple. Flower gardens come in all shapes, sizes, and colors. Formal flower gardens are planned out and serve as a multi-function garden, such as growing herbs around the border of a flower garden with edible blooms. Shrubs are also used in creating flower gardens suitable for plants requiring shade. A haphazard flower garden is one that is allowed to...

Perennial Plant
2013-04-27 08:01:21

Perennial plants live for two years or more. Perennials differ from annuals and biennials with annuals replanted every year and biennials every other year. Perennial’s that bloom during spring and summer will die back in autumn, rest during the winter, then re-grow the following spring from the existing root-stock; these are also known as deciduous perennials. If the climate is continually warm, a perennial will continually grow and produce flowers and or fruit. A perennial relocated from...

Biennial Plant
2013-04-27 07:50:37

Biennial plants have a two year life cycle; roots, stems and leaves in the first year with flowers following the next year after a cold winter dormant period. Biennials will produce seed and fruit before dying. There are not as many biennial plants as there are perennials or annuals. Biennial plants, when exposed to extreme climate conditions, may have a shortened life cycle of a few months especially if the plants were exposed to colder than normal temperatures. Most biennials can be...

Annual Plant
2013-04-27 07:44:51

Annuals are plants that flower and/or set fruit in one growing season. Most vegetables are annuals as well as domesticated grains. Vegetables such as carrot and celery are biennials grown as an annual whereas tomato and bell pepper are perennials and grown as an annual. Annuals grow well mixed in with perennials and biennials. There are also ornamental flowers that are perennials in one region and an annual in another. An annual can produce seeds that continue the life cycle in as little...

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Word of the Day
ramage
  • Boughs or branches.
  • Warbling of birds in trees.
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