";s:4:"text";s:3946:"Weeds are a serious threat to primary production and biodiversity. Many were introduced accidentally as impurities in agricultural and garden seed, or as seeds in packing material, bedding, and imported hay and straw.
At that time timber was the only available fencing material and gorse was a cheap alternative. It was deliberately introduced, often sold as seed or seedlings in the 1800s, and planted for stock fodder or as hedgerows.
There were too few fast-growing annual plants for them to need such a word.The term ‘pest plant’ (or ‘plant pest’) is commonly used by New Zealand’s central and regional government agencies.Some weeds grew and spread more vigorously than they had in England. Available from Cornell University Press. This is true of New Zealand, where only a handful of native species are considered weeds.Ian Popay, 'Weeds of agriculture - Introduction of weeds', Te Ara - the Encyclopedia of New Zealand, http://www.TeAra.govt.nz/en/weeds-of-agriculture/page-1 (accessed 31 July 2020)Māori vocabulary scarcely acknowledged the existence of a ‘weed’.
Biocontrol and ecology of weeds 3 What is a weed? definition. It can be harmful to human activities, such as farming or recreation, or it can be harmful to New Zealand's unique environment. The common dock is also widely disseminated, and will, I fear, for ever remain a proof of the rascality of an Englishman, who sold the seeds for those of the tobacco plant.’Story by Ian Popay, published 24 Nov 2008Internationally, the term ‘invasive alien plant’ is often used. Humans are trying to push the processes of nature back. A leek has overrun whole districts, and will prove very troublesome, but it was imported as a favour by a French vessel. But gorse quickly spread to cover hillsides and pasture.A weed may also be defined as any plant growing where it is not wanted. plant or vegetation that interferes with the objectives of farming or forestry A weed may be defined as any plant or vegetation that interferes with the objectives of farming or forestry, such as growing crops, grazing animals or cultivating forest plantations.Gorse is one of New Zealand’s most notorious weeds. However, some plants are weeds regardless of where they grow.‘In many places I noticed several sorts of weeds, which, like the rats, I was forced to own as countrymen. A weed was defined as “a plant that forms populations that are able to enter habitats cultivated, markedly disturbed or occupied by man, and potentially depress or displace the resident plant populations which . Most weeds of agronomic cropping systems are herba- ceous, but a few species that can become established in reduced-tillage fields are woody (such as maple trees). Weeds are plants that are unwanted in a given situation and may be harmful, dangerous or economically detrimental. Weeds or weedy plants are the first stage of natural succession where disturbances have occurred. A weed is a plant growing well where it is not wanted. This is because weeds have usually been introduced, accidentally or deliberately, from other countries. braska Department of Agriculture, 402-471-2394. l Weeds of the Northeast (ISBN-10: 0801483344; ISBN-13: 978-0801483349). They reduce farm and forest productivity, displace native species and contribute significantly to land and water degradation. There are 4 … The cultivation or tillage of land and the planting of spaced plants (crops) provides a “natural” habitat for weeds. For example, a plant may be valuable or useful in a garden, or on a farm or plantation – but if the same plant is growing where it reduces the value of agricultural produce or spoils aesthetic or environmental values, then it is considered a weed.