| 单词 | woody plant |
| 例句 | The object of selective spraying is not to produce grass on roadsides and rights-of-way but to eliminate the tall woody plants by direct treatment and to preserve all other vegetation. Silent Spring 1962-09-27T00:00:00Z With woody plants that appear dead, there is a quick way to gauge their vitality: If you scrape the bark, either with your thumbnail or a blade, a green layer beneath suggests all is well. Winter-battered plants may look dead — but don’t give up on them yet 2018-03-27T04:00:00Z Some of the most interesting and precious species of temperate woody plants on the planet have come together here to shape its rolling 166 acres on the northwestern edge of Philadelphia. There’s a lot more to winter trees than meets the eye 2016-02-16T05:00:00Z Simple brush fences made of well-branched woody plants can be used to “stick” peas or beans, as gardeners did in Jefferson’s day. In the Garden: Jefferson?s Vegetable Garden Still Grows at Monticello 2010-07-01T13:37:00Z The general advice from horticultural extension agents is to delay planting a tree or shrub in the spring before the hatch, and that advice might also apply to woody plants put in now. Perspective | Fall is prime tree planting season, but what about next spring’s cicada eruption? 2020-09-15T04:00:00Z We need to pick these woody plants carefully, but deciding what to plant is difficult, even for seasoned gardeners. Planning your 2020 garden? You’ll want to check out the year’s Gold Medal Plants. 2019-12-30T05:00:00Z Winter is the optimum time to prune most deciduous woody plants, when they are dormant and their branch architecture is most evident. It’s tree-pruning season. Here’s how to do it without resorting to ‘crape murder.’ 2021-01-26T05:00:00Z Even without a drought, woody plants and perennials should not be fertilized now; they need to harden up for winter. Perspective | Your plants are parched. How you water makes all the difference. 2019-09-26T04:00:00Z On the return, Rick slowed at the Lay Family Garden, a 2.2-acre swatch of perennials, woody plants and a koi pond. Dallas is the most affordable go-to travel destination for 2015 2015-02-05T05:00:00Z In January planning mode, I’m more focused on woody plants among the newest medalists. Planning your 2020 garden? You’ll want to check out the year’s Gold Medal Plants. 2019-12-30T05:00:00Z In a month or less, the star magnolia will burst open as one of the first showy woody plants of the year, but its buds now are superb. If you’re a restless gardener, there is plenty to do in February 2015-02-17T05:00:00Z Sometimes the right decision is not to replace one woody plant with another, but to use perennials instead. Dealing with furry, unwelcome visitors in your garden Take it from Cass Turnbull, president and founder of Plant Amnesty, an organization dedicated to the proper care of woody plants: Water is expensive, but not nearly as expensive as replacing your trees and shrubs. Wise summertime watering of trees, plants and lawns 2014-08-12T04:00:00Z They also found that some woody plants healed faster than others — willow, dogwood and forsythia, for example — but nearly all of the 17 genera studied were almost fully healed after two growing seasons. The cicadas are coming. But gardeners need not panic. 2021-03-30T04:00:00Z Deanna Curtis, curator of woody plants at the New York Botanical Garden, recommends another variety, Atrovirens, which is more contained, with a neater branch architecture. Winter wonders: Conifers revive the sleeping garden. But remember, less is more. 2020-12-01T05:00:00Z It might be fun to play with such woody plant groupings and communities in your backyard — we typically don’t plant densely enough — but in the vegetable garden, your plants will need elbow room. Giving plants the space they need: Why we thin veggies but crowd a hedge 2020-04-28T04:00:00Z Other woody plants work in a more supporting role but are instrumental in reordering the garden — creating enclosure, say, where there is now relentless lawn. Planning your 2020 garden? You’ll want to check out the year’s Gold Medal Plants. 2019-12-30T05:00:00Z But it is for the perennial woody plant that Sarah reserves most of her withering contempt. Property shows: room for improvement? 2011-08-10T13:27:22Z Pruning woody plants is rewarding because they show their gratitude. Perspective | Waiting too long to weed can turn a relaxing task into a trial 2017-07-18T04:00:00Z The company, based in Azusa, Calif., also supplies its annuals, perennials and, especially, its woody plants to Lowe’s stores and to a vast but little-known industry segment called re-wholesalers, which supply landscape contractors. Perspective | Behnke’s closure is a reminder of the tight rope that many garden centers face 2019-06-17T04:00:00Z There are many candidates for this branch forcing, all of them woody plants that naturally bloom in late winter and early spring. Forced branches can bring a bit of early spring indoors 2021-03-02T05:00:00Z The woody plants — native beauties such as dogwoods, redbuds, fothergillas and fringe trees — were used to soften the edges between woodland and field and to provide color in spring, when the meadow is least decorative. At Longwood Gardens, a new meadow for the ages As delineated by Lacy in his 1990 book “The Garden in Autumn,” the key elements include perennials that linger past summer, as well as annuals, woody plants, grasses and perennials that are specific to fall. Three stunning gardens that will change the way you think about fall 2017-09-19T04:00:00Z Waste husks have been explored as a source of carbohydrates and sugars, but they also contain lignin, a tough lipid polymer found in many woody plants. Cocoa pods -- a source of chocolate, and potentially, flame retardants 2023-10-17T04:00:00Z The browsers munch on fruits and veggies, like woody plants and soft shoots. Meet the dearest new tiny creature at the Woodland Park Zoo 2023-06-23T04:00:00Z The division Coniferophyta—the conifers—are the predominant woody plants at high altitudes and latitudes. Concepts of Biology 2013-04-25T00:00:00Z I’ve always been grateful to him, because I’ve found it one of the easiest methods to propagate deciduous trees and woody plants such as roses, dogwoods, figs, grapes and many others. A lucky bamboo plant is a great gift for the new year (unless it dies) 2022-12-31T05:00:00Z “It starts to break down the cell membranes and form this zone where the leaf eventually can just fall,” Day said, “sealing itself off and leaving a scar on woody plants.” How to read tree leaves — the science of plants 2022-12-02T05:00:00Z Also, choose woody plants whose edible portion is above ground, such as berry plants, versus annual vegetables like lettuce and tomatoes. Rain gardens offer benefits that go beyond beauty | Produced by Seattle Times Marketing 2022-10-06T04:00:00Z To use on root suckers from crape myrtle and other ornamental woody plants, apply Sucker-Stopper when sprouts are no more than 10 inches tall, according to the label. Advice | You cut down the crape myrtle. Now how do you stop the suckers? 2022-09-26T04:00:00Z Secondary growth or “wood” is noticeable in woody plants; it occurs in some dicots, but occurs very rarely in monocots. Biology for AP Courses 2022-06-09T00:00:00Z But transforming an area under established woody plants into a ground-covering, herbaceous layer requires a gentle hand and patience. In your enthusiasm for planting, don’t forget about tree health 2022-08-01T04:00:00Z If, like me, you love lilacs, you swoon through the brief moment when the woody plants show off their delicate blooms. Opinion | The unbearable is now routine 2022-05-26T04:00:00Z It might take until June to see growth, so don’t be in a hurry to remove woody plants that look dead. Ciscoe’s tips for waking up your garden in early March 2022-03-05T05:00:00Z Next, look at areas around the base of woody plants, where extra humidity may support lichen. Your garden isn’t winding down: It’s still lichen season 2021-11-22T05:00:00Z Figure 23.10 In woody plants, primary growth is followed by secondary growth, which allows the plant stem to increase in thickness or girth. Biology for AP Courses 2022-06-09T00:00:00Z Here, mother and son team Lisa and Matt Bright and their colleagues grow perennials and woody plants from seed in frames under shade cloth. Gardening can get expensive. Save money by starting plants from seed 2021-10-18T04:00:00Z Spring bulbs bring the garden alive while deciduous ground covers and woody plants are just waking up. How to plant bulbs this fall for a beautiful spring garden Add some visually interesting structure to your garden by including woody plants. After that heat wave, consider a drought-tolerant xeriscape garden 2021-07-21T04:00:00Z Periodical cicadas, one of the East Coast’s thousands of native herbivore insect species that use woody plants as sustenance, are not known to kill the plants that serve as their hosts. Perspective | Five myths about Brood X cicadas 2021-05-06T04:00:00Z In woody plants, especially trees, annual rings may form as growth slows at the end of each season. Biology for AP Courses 2022-06-09T00:00:00Z I asked Bright to show me some of the woody plants that he propagates from seed — a proposition that requires more patience than with perennials, but not unduly so. Gardening can get expensive. Save money by starting plants from seed 2021-10-18T04:00:00Z By late February, most spring-blooming woody plants have received their requisite weeks of chilling, and their buds are beginning to swell. How to hurry up spring by coaxing new buds into extra-early blooms in the Northwest 2021-02-20T05:00:00Z Irrigation is key to getting perennials and woody plants established. Even without Seattle’s Flower & Garden Festival, Ciscoe Morris and other favs still have answers for you 2021-02-14T05:00:00Z According to the National Institute of Forest Science, which measured the abundance and density of all woody plants on Hallasan, Abies koreana supports its surrounding community more than any other tree. Climate troubles loom for South Korea’s ‘Christmas Tree Island’ 2020-12-24T05:00:00Z In the Northern Hemisphere, a florist grows shrubs of the same species of woody plant under two different light schedules for three weeks. Biology for AP Courses 2022-06-09T00:00:00Z Terrestrial ecosystems are defined in large part by their woody plants. Satellites could soon map every tree on Earth 2020-10-13T04:00:00Z Contractors also will plant about 24,000 woody plants for species such as night herons and egrets, as well as pelicans, to build their nests. BP oil spill cash rebuilds eroded Louisiana pelican island 2020-02-03T05:00:00Z The scientists couldn’t determine the exact plant that produced the pollen, but it appears to be related to the eudicot group of flowering plants, which includes many of today’s trees and woody plants. This amber-encased beetle may have been one of the first insects to pollinate flowers 2019-11-11T05:00:00Z The honey fungus often appears at the start of autumn, when honey-coloured toadstools appear on woody plants. Honey fungus secrets fall to science 2019-10-03T04:00:00Z In woody plants, cork cambium is the outermost lateral meristem. Biology for AP Courses 2022-06-09T00:00:00Z Grasslands, shrublands, savannahs, woodlands and forests represent a series of gradations in tree and shrub density, from ecosystems with low-density, low-stature woody plants to those with taller trees and overlapping canopies. Satellites could soon map every tree on Earth 2020-10-13T04:00:00Z The researchers hope to fine-tune estimates of how much groundwater plants are intercepting by taking samples—especially of deep-rooted, woody plants such as Polylepis, the Andean "fairy trees" with twisting limbs and papery bark. Global warming has made iconic Andean peak unrecognizable 2019-09-11T04:00:00Z The isotopic signatures linked to woody plants are different from those associated with aquatic plants. Why Giant Human-Sized Beavers Died Out 10,000 Years Ago 2019-06-01T04:00:00Z Then he lavishly layers a matrix of spring- and summer-blooming bulbs in and around the primary perennials and woody plants. Richard Hartlage composes kaleidoscopic landscapes of bulbs — for Chihuly Garden and Glass, and for his own home 2019-04-13T04:00:00Z An herbicide is developed that impairs the function of the cork cambium in woody plants. Biology for AP Courses 2022-06-09T00:00:00Z But because dicamba, like 2,4-D, mimics plant hormones called auxins, it is also toxic to a wide variety of broadleaf and woody plants. Beyond damaging crops, dicamba is dividing communities 2018-11-10T05:00:00Z “In arboreal culture, a multiple-stemmed woody plant with a mature height of 15 feet or less is a shrub. Which sounds right for a small backyard.” The Trees In Your Yard: Are They Just Clutter? 2018-09-26T04:00:00Z It is made of cellulose fibres embedded in a matrix of lignin, an organic polymer that serves a number of purposes, including providing woody plants with their rigidity. Making buildings, cars and planes from materials based on plant fibres 2018-06-14T04:00:00Z The rabbits play a vital role in nibbling away at the invasive American black cherry, a variety of the woody plant Prunus serotina that gets in the way of other species. Dutch island wants its rabbits to breed like … 2018-04-16T04:00:00Z She studies a group of foliage in the genus Glossopteris, which is characterized by woody plants dated roughly 300 to 200 million years ago. Five New Fossil Forests Found in Antarctica 2018-03-16T04:00:00Z They are occupying a new ecosystem with woody plants that is not part of the normal tundra ecosystem. Beavers Emerge as Agents of Arctic Destruction 2017-12-20T05:00:00Z Otherwise if food—shrubs and woody plants—is limited, the animals’ health can decline, males will fight more as territories shrink, and breeding will likely suffer. Triumphant Rhino Transfer Ends in Tragic Conservator Death 2017-06-08T04:00:00Z Olsson began her talk by talking about the pain-killing properties in the bark of several woody plants and trees, including cottonwood, willow, aspen and poplar. Naturalist shares ways to use healing power of the forest 2017-03-18T04:00:00Z I’ve always been grateful to him because I’ve found it to be one of the easiest methods to propagate deciduous trees and woody plants such as roses, dogwoods, figs, grapes and many others. A lucky bamboo plant is the gift that keeps on giving good fortune (unless you kill it) 2016-12-27T05:00:00Z “We predicted the fall color would be bright and brief, and that seems to be holding true,” Deanna Curtis, the curator of woody plants at the New York Botanical Garden, said. New York Today: Foliage in Full Force 2016-10-25T04:00:00Z About 80 percent of a goat’s natural diet are woody plants, Manion said, making the mammal an ideal adversary for the oriental bittersweet. Goats used in effort to control invasive species in parks 2016-06-13T04:00:00Z In addition to viburnums, some of the spring woody plants that are starting to wake up early include winter jasmines, rhododendrons and azaleas. December Heat Tricks Flowers Into Putting On Spring Display 2015-12-24T05:00:00Z “They like woody plants, especially fresh growth stems, but tend not to eat plants such as azaleas or things like milkweed.” Massachusetts city brings in goats to eat poison ivy 2015-06-27T04:00:00Z Shade intolerant, the red cedar is happiest as the first woody plant to put down roots in the dry, sun-drenched soils of abandoned lots, railroad crossings and rocky road shoulders. Red Cedar: An Urban Pioneer 2015-02-20T05:00:00Z While the population is stable, the number of Espanola giant tortoises is not likely to increase substantially until other problems in the environment, such as the overgrowth of woody plants, are resolved. Giant Tortoises Are Back From Near Extinction 2014-10-28T04:00:00Z “However, given the current dominance of woody plants, an initial human-assisted burst of selective felling and/or control of invasive plants to create more open areas might be a good idea.” Galapagos Giant Tortoise Brought Back From Brink of Extinction A major opportunity for a sustainable energy and biomaterials economy in many parts of the world lies in a better understanding of the molecular basis of superior growth and adaptation in woody plants. The genome of Eucalyptus grandis : Nature : Nature Publishing Group 2014-06-10T04:00:00Z In spite of its name, tobacco ringspot virus infects many plants besides tobacco from more than 35 families, including tomato, cucumber, beans, and many woody plants. Suspicious Virus Makes Rare Cross-Kingdom Leap From Plants to Honeybees 2014-01-31T14:10:31Z They found that the leaves of a range of herbaceous and woody plants across China were absorbing 33% more nitrogen than in 1980. Nitrogen Pollution Soars in China 2013-02-20T22:15:05.227Z And if woody plants like mangroves also grow nearby, all the better for breaking waves and surge. Green Blog: Sand Dunes Alone Will Not Save the Day 2012-12-04T22:03:02Z That is mostly because every tree or woody plant fed into its process will eventually be replaced by a new tree or plant, which will suck carbon dioxide out of the atmosphere. Alternative Fuels’ Long-Delayed Promise Might Be Near Fruition 2012-11-14T00:35:54Z Large woody plants produce secondary cell walls on a vastly different scale from that of herbaceous plants. The genome of Eucalyptus grandis : Nature : Nature Publishing Group 2014-06-10T04:00:00Z Although grafting woody plants, like fruit trees, is an ancient horticultural technique, grafting soft-stemmed vegetables is a much more recent agricultural practice. The Science of Pomato Plants and Fruit Salad Trees 2012-09-10T17:45:00.360Z "It's an ongoing tug of war between fungi and woody plants." White Rot Fungi Slowed Coal Formation 2012-06-28T18:45:00.200Z Such caterpillars will eat the tender early leaves of woody plants. City Room: Spring Time: After a Storm, Gifts on the Forest Floor 2012-05-10T16:57:38Z He wrote his 900-page magnum opus on the woody plants of northwest South America almost entirely from memory. Superstars of botany: Rare specimens 2012-04-25T17:20:33.787Z At least we share a lot of the same plant diseases and pests as Canada, but the part of the world where there’s been the biggest increase in woody plant imports is Asia, specifically China. Green Blog: Who Knows What Bugs Lurk in Imported Plants? 2012-04-16T10:00:35Z Emerging leaves of woody plants expand in a colorful array like unfolding fans. City Room: Spring Time: Dance of the Bumblebees 2012-04-12T18:06:10Z Herbs or woody plants, climbing by tendrils, with perfect flowers, 5 monadelphous stamens, and a stalked 1-celled ovary free from the calyx, with 3 or 4 parietal placentæ, and as many club-shaped styles. The Manual of the Botany of the Northern United States Including the District East of the Mississippi and North of North Carolina and Tennessee 2012-04-12T02:00:30.140Z By 1950, the same area supported a lush stand of grass, principally Bromus inermis, and supported many woody plants. A Population Study of the Prairie Vole (Microtus ochrogaster) in Northeastern Kansas 2012-04-08T02:00:23.123Z "The chief woody plant of the wooded table-lands and high valleys throughout southern and western Texas, often forming impenetrable thickets." Texas Honey Plants 2012-04-04T02:00:58.927Z On the lowlands they feed on dry grasses, and in Tibet on small woody plants. Encyclopaedia Britannica, 11th Edition, Volume 13, Slice 6 "Home, Daniel" to "Hortensius, Quintus" 2012-03-15T02:00:32.250Z By Suckers.—Root suckers are young shoots from the roots of plants, chiefly woody plants, as may often be seen in the case of the elm and the plum. Encyclopaedia Britannica, 11th Edition, Volume 13, Slice 7 "Horticulture" to "Hudson Bay" 2012-03-04T03:00:13.390Z Anther-cells opening at the apex.—Shrubs or somewhat woody plants, with scaly buds. The Manual of the Botany of the Northern United States Including the District East of the Mississippi and North of North Carolina and Tennessee 2012-04-12T02:00:30.140Z In House Field the herbaceous vegetation was much more lush than in Quarry Field and woody plants and weeds were more abundant. A Population Study of the Prairie Vole (Microtus ochrogaster) in Northeastern Kansas 2012-04-08T02:00:23.123Z The tree-poppy is the only truly woody plant in the poppy family. The Wild Flowers of California: Their Names, Haunts, and Habits 2012-02-17T03:00:37.163Z Taken all in all, it is the crowning master-piece of all woody plants. Forest Life and Forest Trees: comprising winter camp-life among the loggers, and wild-wood adventure. with Descriptions of lumbering operations on the various rivers of Maine and New Brunswick 2011-10-11T02:01:03.847Z It is sometimes quite destructive in the nursery and garden, ascending woody plants, and cutting them off where succulent, in the month of May. American Pomology Apples 2011-10-03T02:00:29.477Z As the roots of all woody plants are able to bear adventitious buds, De Vries thinks it probable that one could rear a whole willow-tree from a gall. The Biological Problem of To-day Preformation Or Epigenesis? The Basis of a Theory of Organic Development 2011-08-29T02:01:04.170Z This shift seemed to be related to the advance of the forest edge with such woody plants as Rhus and Symphoricarpos and young trees invading the area. A Population Study of the Prairie Vole (Microtus ochrogaster) in Northeastern Kansas 2012-04-08T02:00:23.123Z Nests are placed on the surface of the ground at bases of bunch grasses, saplings, trees, or posts, under cover of prairie grasses, forbs, or small woody plants. The Breeding Birds of Kansas 2011-08-27T02:00:24.797Z Until these problems are solved, woody plants will be able to cling tight to their stash of fuel for a little longer. Lignocellulose: A chewy problem 2011-06-22T21:50:42.223Z Pruning is one of the most important operations that we perform upon plants,—especially woody plants. American Pomology Apples 2011-10-03T02:00:29.477Z The plants eaten are usually green and succulent, but some dry, hard seeds and small stems of woody plants are also eaten. Natural History of the Prairie Vole (Mammalian Genus Microtus) [KU. Vol. 1 No. 7] 2011-06-01T02:00:28.617Z In spite of the marked general tendency to avoid woody plants, some voles made their runways around the roots of blackberry bushes, sumac and wild plum trees. A Population Study of the Prairie Vole (Microtus ochrogaster) in Northeastern Kansas 2012-04-08T02:00:23.123Z Among the woody plants, about half are from North America, 32 percent from Asia and 17 percent from Europe. Harvard biologist comes to the defense of the much reviled tree of heaven 2010-06-14T04:00:00Z There was little oak or other type of woody plant on the south shore west of what is now Port Costa. The Aboriginal Population of Alameda and Contra Costa Counties, California In the latter, and in other woody plants which climb in this way, the petioles thicken and harden after they have grasped their support, thus securing a very firm hold. The Elements of Botany For Beginners and For Schools They are, therefore, found in largest proportions in the stems of woody plants; but they are also present in every other organ of plants, as the cell-wall or other structural material. The Chemistry of Plant Life More vegetation was found under the woody plants which the voles chose to use for shelter than under those which they avoided. A Population Study of the Prairie Vole (Microtus ochrogaster) in Northeastern Kansas 2012-04-08T02:00:23.123Z Some of its genera consist almost wholly of coriaceous or woody plants. Student's Hand-book of Mushrooms of America, Edible and Poisonous Some of the most hardy and woody plants may be removed from the greenhouse to a cold pit, where they can be protected from frost. In-Door Gardening for Every Week in the Year Showing the Most Successful Treatment for all Plants Cultivated in the Greenhouse, Conservatory, Stove, Pit, Orchid, and Forcing-house The coming Forester must learn to identify the woody plants of the United States, both in summer and in winter. The Training of a Forester The borderline between woods and grasslands is well defined but woody plants are rapidly encroaching into the grasslands. Home Range and Movements of the Eastern Cottontail in Kansas The cross-hatched areas show places where the vegetation was influenced by the shade of woody plants. A Population Study of the Prairie Vole (Microtus ochrogaster) in Northeastern Kansas 2012-04-08T02:00:23.123Z The ringing of woody plants is a well-known horticultural practice. Manual of American Grape-Growing It creeps nearer to the North Pole than any other woody plant except its companion the birch. Getting Acquainted with the Trees Botanical Description.—A woody plant 6–9° high. The Medicinal Plants of the Philippines Pupils in this Form should try to grow such woody plants as roses and grapes from cuttings. Ontario Teachers' Manuals: Nature Study Later in the period of study the succession from grasses to woody plants on parts of the study areas also affected the population of voles. A Population Study of the Prairie Vole (Microtus ochrogaster) in Northeastern Kansas 2012-04-08T02:00:23.123Z If we strip off the bark of any actively growing, woody plant we will find just beneath a soft, colorless substance; this substance is cambium. Northern Nut Growers Association, Report of the Proceedings at the Fourth Annual Meeting Washington D.C. November 18 and 19, 1913 The phenomenon is not confined to woody plants, but has been met with in chicory, in Antirrhinum, and other herbaceous species. Vegetable Teratology An Account of the Principal Deviations from the Usual Construction of Plants The difference between rest period and dormancy is of great importance in the United States in determining the amount of cold injury that may be sustained by woody plants. Northern Nut Growers Association Report of the Proceedings at the Thirty-Eighth Annual Meeting Guelph, Ontario, September 3, 4, 5, 1947 For all woody plants, budding and grafting are favorite methods of propagation. A Treatise on Domestic Economy For the Use of Young Ladies at Home and at School Not only did the voles withdraw from the advancing edge of the forest, but their density decreased in the meadows as the number of shrubs and other woody plants increased. A Population Study of the Prairie Vole (Microtus ochrogaster) in Northeastern Kansas 2012-04-08T02:00:23.123Z All kinds of woody plants, too, were my delight, though they invariably came out of the press as they went in, except that the leaves were in every variety of unnatural position. Autumn Leaves Original Pieces in Prose and Verse It occurs alike in herbaceous and in woody plants, originating in the latter case while the branches are still soft. Vegetable Teratology An Account of the Principal Deviations from the Usual Construction of Plants Some kinds of woody plants are very much hardier than are other kinds. Northern Nut Growers Association Report of the Proceedings at the Thirty-Eighth Annual Meeting Guelph, Ontario, September 3, 4, 5, 1947 The objection to covering tender woody plants cannot be urged with equal force against tender herbs or very low bushes, for these are protected with ease. Manual of Gardening (Second Edition) The greater advantages of the asexual multiplication of extremes are of course restricted to perennial and woody plants. Species and Varieties, Their Origin by Mutation Budding and Grafting, for all woody plants, are favorite methods of propagation. American Woman's Home All of these changes and probably many others play a part in developing hardiness in woody plants. Northern Nut Growers Association Report of the Proceedings at the Thirty-Eighth Annual Meeting Guelph, Ontario, September 3, 4, 5, 1947 However, over the years, experience and research have taught us that there are a number of factors that affect the hardiness of woody plants. Northern Nut Growers Association Report of the Proceedings at the Thirty-Eighth Annual Meeting Guelph, Ontario, September 3, 4, 5, 1947 Camellias are half-hardy woody plants, blooming in late winter and spring. Manual of Gardening (Second Edition) It is a well-known fact that many kinds of non-woody as well as many woody plants develop hardiness or cold resistance on exposure to very gradually falling temperatures. Northern Nut Growers Association Report of the Proceedings at the Thirty-Eighth Annual Meeting Guelph, Ontario, September 3, 4, 5, 1947 Hardiness in woody plants is only a relative term and is determined by the condition of the plant at the time the low temperature occurs. Northern Nut Growers Association Report of the Proceedings at the Thirty-Eighth Annual Meeting Guelph, Ontario, September 3, 4, 5, 1947 It is not known how important this is in developing cold resistance in flower and leaf buds of woody plants. Northern Nut Growers Association Report of the Proceedings at the Thirty-Eighth Annual Meeting Guelph, Ontario, September 3, 4, 5, 1947 With woody plants, the tissues are least hardy in spring when they are growing rapidly, and as the season progresses hardiness normally increases provided that second or late growth does not occur. Northern Nut Growers Association Report of the Proceedings at the Thirty-Eighth Annual Meeting Guelph, Ontario, September 3, 4, 5, 1947 That is really why there is so much severe cold injury to woody plants in the South. Northern Nut Growers Association Report of the Proceedings at the Thirty-Eighth Annual Meeting Guelph, Ontario, September 3, 4, 5, 1947 |
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