Our Environment section covers information about climate change, effluent, land, water and nutrient management on dairy farms. Black Field Cricket. Gorse has also become a problem plant in the western United States and Chile. ceasing growth when temperatures fall close to freezing. Seeds are tiny, numerous and have a brown rough appearance and are often found in clover seed. Can cause significant issues on dairy farms as it can taint milk. They have light green leaves with red bases and an upright habit. Distinctive black berries (7-10 mm) can be found on mature plants. Ideal for autumn and winter weed control programmes in pasture. From research and the services we provide, to education, policy and the Dairy Industry Strategy, there's so much to discover in this section. Christchurch 7671. Black field cricket is a serious pasture pest in Northland, Auckland, parts of the Waikato, Bay of Plenty, Hawkes Bay and Manawatu. Found throughout New Zealand, except in Westland (South Island) and Taranaki (North Island) in gardens, cultivated areas, and shady areas on footpaths, and at the edges of forests. As a seedling it is a rosette that develops a, Throughout New Zealand, Vetch (Vicia sativa) is a very common weed, and varies in terms of leaf shape, flower number, size and colour and the size of the pod. Select Legume Back to Test/grasses/cereals Lotus (Lotus pedunculatus) Lucerne (Medicago sativa) Red clover (Trifolium pratense) Strawberry clover (Trifolium fragiferum) Subterranean clover (Trifolium subterraneum) White clover (Trifolium repens) Test. seen in pasture. The leaves are sticky, hairy, Nettle (Urtica urens) is present New Zealand wide except for Northland, Taranaki and Westland. It has an erect, bushy growth up to 40 cm tall with white flowers, Storksbill (Erodium cicutarium) is an invasive, sticky, hairy plant which grows in rossetes up to 30 cm across. Sow in early autumn or spring, at the recommended rate of 35 kg per ha. Fruit is round, dry and bristly containing two seeds (referred to as nutlets). You can either search the weed tiles below to identify the key weeds you are needing to control in your crop or use the filter to search for the herbicides available for use in the crop you're needing to protect. It is resistant to cold, trampling and many herbicides. When young the leaves tend to be light green, rough and often twisted. fescue. Cultivar selection The value of the Last Name field is not valid. There are links at the species level to related weed and pest plant resources: Weedbusters, AgPest, MPI Biosecurity NZ, nzflora Weed Profiles, Ngā Tipu o Aotearoa – New Zealand Plants, and other identification keys. Black nightshade is present throughout New Zealand but less. Mouse-eared chickweed (Cerastium glomeratum) is found throughout New Zealand, in gardens, bare ground, waste areas, and grass grub-damaged  pastures. In New Zealand, pastoral farming for dairy and meat production is the major land use. It is an annual that germinates in the spring and early summer and then dies off in the autumn, Field madder (Sheradia arvensis) a widespread annual weed commonly found in paddocks, pasture and grassland. The flowers (November to April) are pale green, small and grow in clusters closer to the ends of the stems. Broad-leaved fleabane (Conyza sumatrensis) is an annual or biennial weed that is common throughout New Zealand on roadsides, wasteland, orchards and vineyards. Lucerne pasture mix: The Mix: Cultivar Description: Use for: Lucerne: Lucerne: SF 914QL: Highly productive, even in very dry years. It is often confused with dandelion but is distinctive in having multiple, branched flower stems. Will feeding starch-based supplements improve reproduction? arise from leaf axils. Seed pods are found close to the stems; seeds are 1 mm long, brown and oblong. Grassy weed quality can be similar to that of grass forage. Its seeds are similar to those of some forage seed crops making separation of seeds problematic. Good pasture management will help prevent weed proliferation. but are abundant in low fertility pastures and lawns. The plant can grow to 1 m tall. in New Zealand. Couch (Elytrigia repens) Also known as 'twitch', it is a perennial rhizomatous weed which is problematic in both pastures and crops. leaves are slender, toothed and sometimes hairy. Hawkesbeard has a rosette form while, Hedge mustard (Sisymbrium officinale) is a widespread common annual herb, found throughout New Zealand in pasture, cultivated land, gardens and road-sides. Once in ear the grass is straight forward to identify looking distinctly like barley to, Though barnyard grass (Echinochloa-crus-galli) is mainly found on the North Island it can now be found on the South Island as far south as South Canterbury. The leaves of tall fescue are rolled and shiny below and dull above. I am sure gorse, broom would be high in a top 20 on the list of worst environmental weeds in New Zealand*, but they are not very often a weed in gardens. An upright plant that can grow to 2 m tall and is a prolific seeder. It is a problem in small grain crops such as barley, causing up to 80% yield losses. Scotch Broom: Cytisus scoparius. Undersowing can improve thin pastures for 1 - 3 years prior to full renewal. leaves being non-hairy, rough and long, tapering to a fine point. It is not particularly common in New Zealand, and found chiefly in the North Island, and the north and east of the South Island. A similar species, water pepper, grows taller and is common in wet places. Plaintains are rosette perennials with upright flower stems. AgPest™ is a free tool to assist New Zealand farmers and agricultural professionals in decision-making regarding weed and pest identification, biology, impact and management. The People section shows you how to recruit quality staff, be a better manager, work within the law, grow your people and much more. Commonly found in arable land, pastures and roadsides. Pods develop up to 6 cm long, containing 5 to 8 seeds which can break into individual sections. Distinctive black berries (7-10 mm) can … Sow at a depth of approximately 15mm. The greenish, Annual ryegrass (Lolium multiflorum) is an important cultivated grass species which becomes a very competitive weed when growing in cultivated crops. Effective on a wide range of broadleaf weeds. Controls broadleaf weeds in pasture READ THIS LABEL COMPLETELY BEFORE MIXING OR APPLYING Dow AgroSciences (NZ) Ltd 89 Paritutu Road, Private Bag 2017, New Plymouth 4342 www.corteva.co.nz Telephone 0800 803 939 ACTIVE INGREDIENT: Contains 680 g/litre 2,4-D as the ethylhexyl ester in the form of an emulsifiable concentrate. Flora of New Zealand Volume III, Adventive Cyperaceae, Petalous and Spathaceous Monocotyledons. 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The plant grows close to the ground when young; when older stems can grow upwards to about 30 cm. Information about the pest Clover root weevil (Sitona lepidus), first discovered in the Waikato and Auckland in 1996. Active ingredient: 680 g/l 2,4-D ethyl hexyl ester. Left uncontrolled wild oats will quickly grow into large, multi-tillered, competitive grass weeds. Flowers are very small, pale yellow, numerous, and can be found at the top of the main stem or at the end of branches. 129-172, in Healy AJ, Identification of Weeds and Clovers, A New Zealand Weed and Pest Society Publication, Editorial Services, Featherston. The best time to spray weeds in new pasture is about 3-6 weeks after sowing, prior to the first full grazing. It is widespread throughout New Zealand in drier coastal and lowland areas, and, Twin cress (Coronopus didymus) is very commonly found throughout New Zealand. It germinates in the spring and is common in crops, disturbed ground and thin established pastures. There are also other weeds such as privet, gorse, broom and ragwort that might be in the top 20 in certain situations. In established pastures, the most effective weed management technique is to maintain a healthy stand of grasses and legumes, which compete with the weed seedlings. Leaves are on long stalks, light green, lobed, with toothed margins. The ligule is long and finely serrated, auricles are absent. Capable of germinating at any time of year, they will just as successfully grow and compete in, Wild radish or Charlock (Raphanus raphanistrum) is a rapidly spreading, invasive, frost hardy plant found throughout New Zealand, except in Taranaki. Can be tank mixed with Multiple for larger, hardier thistles or where resistance is suspected. In New Zealand, gorse was introduced for use as a hedge, but turned into an invasive plant, overtaking pastures with its coarse and spiny vegetation. Velvetleaf is a serious cropping pest and has been found in fodder beet and maize crops across the country. (Order the weed booklet or download the app at extension.missouri.edu/p/ipm1031. Generally germinating at the same timeÂ, Perennial ryegrass (Lolium perenne) is an important cultivated grass species which becomes a very competitive weed when growing in cultivated crops. Black beetle (Heteronychus arator) is a pest in the upper North Island, on light, free draining soils such as peat. Is elevated blood BHB a suitable indicator of poor performance in grazing cows? If you want more choice in your business, good money management is the bottom line. Information about feed management on dairy farms, including seasonal management, production systems, supplements, crops and pasture types. Usually in small clusters, flowers are seen October to April. Sharemilking and contract milking arrangements, Purpose, vision, values and guiding principles, Round out your business planning skillset, Round out your financial management skillset, Spring pasture management after an adverse event, New chair brings fresh focus on sustainable dairying, Herd owning, Land owning or Leasing business owner, Active Surveillance and grazing management, National Reproductive Strategy Group (NRSG), Body condition and nutrition for reproduction, New traits to improve genetic merit for fertility, Growing NZ’s next generation of dairy scientists. It has reddish stems and pink spike like flowers. Later, when in ear look at the seedhead as ryegrasses have one edge of the seed against the axis which means the flat side of the seed is visible. Rushes. The stem branches at the top producing copious quantities of small green seed heads. It can often grow dense. Poa annua is best identified by the boat shaped tips to its leaves and the two parallel veins (often referred to as tramlines) that can be seen if the leaf blade is bent backwards. )Over the past two summers, Bradley’s graduate student, Zach Trower, has walked across 46 Missouri pastures every 14 days to record weed species, estimate densities, and sample soil. The seed-pods are about 6cm long, brownish-black, and contain five to twelve seeds that are brown with dark spots. Flowers are white, about 1 cm in diameter, with 5 deeply divided petals that appear to be 10 petals. Nettle can also be a troublesome weed in cropping and horticulture. They are small and numerous, and only open in sunlight, closing in the afternoon. Creeping mallow (Modiola caroliniana) is a mat forming biennial or perennial weed which can be problematic in orchards, turf and gardens. The leaves are in opposite pairs on hairy stalks. The lower leaves have bristly hairs and are divided into pairs of lobes on the lower half of the leaf, whilst the upper part is one large terminal lobe. Oval shaped mid green coloured leaves in a rosette formation have a shallow toothed edge. grow in opposite pairs and are of a greenish-yellow hue. yellow leaves have a feathered appearance and give off a pineapple scent when crushed. Wild oats also produce a large number of long-lived seeds, often as many as 150 per panicle with many panicles per plant. While individual plants tend to be small, Barley grass (Hordeum murinum) is a competitive annual grass that is increasingly being found in pasture. Generally germinating at the same time as the crop it grows quickly and competes aggressively for space, light, nutrients and water. upon contact. Start by identifying your pasture weeds, says Bradley. Clover Root Weevil. It is a slender annual that grows to 30 cm tall with purple whorl shaped flowers. which it is related. Tall fescue thrives in the cooler weather of spring and autumn, only, Fumitory (Fumaria muralis) is a weak-stemmed scrambling and climbing annual weed with pink tubular flowers. Forages for reduced nitrate leaching programme, Selwyn and Hinds - Meeting a Sustainable Future, Meeting a Sustainable Future Partner Farms. The end lobe has a rounded shape. Produces large deep pink flowers that. Giant buttercup. found in pasture, grassland and arable land. They can be found in arable and horticultural crops, Rayless chamomile (Matricaria dioscoidea) is an erect annual, found in waste and cultivated ground and footpaths. populations of this grass weed tend to be large and they then compete for light, nutrients and water. with yellow flowers up to 1 m tall. The plant tends to grow in a bunched way and the seed heads are tall at around 1 m in height. The vigorous, hardy weeds on New Zealand farms and forest plantations can be harmful in many ways – they poison animals, clog irrigation channels, and smother crops. Pests and weeds. Fathen (Chenopodium album) is one of the most serious weeds of cropping throughout New Zealand. When seed-heads are present they are quite distinct being open and with dark brown seeds. The flowers grow in clusters, are a pale yellow, and appear between December and March. This seed mix is also suitable for spray/drill method of establishment. Uncontrolled annual ryegrass will significantly reduce yields. “Every pasture had horse nettle, an… Read Gary's monthly Pasture Weed Watch articles for tips on controlling a range of weeds on your lifestyle block or farm. Pp. Common yarrow (Achillea millefolium) has only about 10 percent crude protein during the flowering stage. Will provide excellent animal performance from a balanced diet. favour drier conditions. The value of the First Name field is not valid. Leaves are oval with pointed tips. Annual poa (Poa annua), also known as annual meadow grass, is a fast growing annual grass found throughout New Zealand in a wide range of crops. 20L 200L They have a blunt ligule and short auricles with a few hairs. High pasture productivity Treated areas can be undersown with new pasture grasses as soon as broadleaf weeds collapse - pasture productivity is rapidly restored. scrambling habit out to 40 cm. Shogun is tailor-made for this purpose, with a … The leaves are pinnate, resemble ferns, and are divided into pairs of leaflets. Most pregnancy losses occur in the first week after breeding. Flowers appear from July to April and are usually small, green (sometimes red) and inconspicuous, carried above the leaves in clusters. Guidelines for minimising the development of glyphosate resistance in weeds: Use the AgPest website to help identify and manage plant and weed pests on-farm. It grows in planted paddocks, on, Tall fescue (Festuca arundinaceae) is a commonly grown perennial grazing grass that can be troublesome when it germinates outside of a controlled situation. conspicuously present in the winter although it can germinate at any time through the year. Black nightshade (Solanum nigrum) is a significant weed in arable and horticultural crops but it is also common in disturbed pasture. Find how to identify common insect and plant pests on-farm and minimise their impact to pasture... Black beetle (Heteronychus arator) is a pest in the upper North Island, on light, free draining soils such as peat. The leaves are very large and broad (up to 35 cm long and 15 cm wide) hairy underneath, and have long stems. The latter authors note that “R. From genetics to herd management and more, this section covers topics that will help guide your decisions. In recent years it has been increasingly, Californian thistles (Cirsium arvense) are a perennial thistle that is a major weed of pastures and crops throughout New Zealand. Commonly seen in winter, it does not, Cleavers (Galium aparine) are a common, widespread annual weed found throughout New Zealand. When small, barnyard grass can be identified by its upright habit, rolled leaves and lack of ligules or auricles. Several clover species occur throughout New Zealand with white and red clover the most common. Is a problematic weed in orchards and vineyards as it is tolerant to glyphosate. It has an erect stem, with branches only from mid stem, Shepherd's purse (Capsella bursa-pastoris) is a rosette annual with distinctive flower stems that grow to 30 cm high. Fathen is an extremely vigorous weed that can quickly outcompete and smother crops. To identify look for young plants between the crop rows, young plants are upright and the leaves have prominent veins. Often in the spring and summer throughout New Zealand but is quickly killed by frosts. He found the conventional farm had more pasture growth overall, probably due to applications of urea, something not permitted on the organic farm. are arrow-shaped up to 9 cm long by 6 cm wide. Controlling them is an important part of pasture management. This site provides information on 77 of the more troublesome Select the categories that you would like to stay up-to-date on: Please accept the privacy policy before submitting the form. growing season. Broad-leafed docks (Rumex obtusifolius) grow prolifically throughout New Zealand. waste land and road-sides. vegetative but grows up to 45 cm when flowering. 1.5 mm long, encased in an oval pod. Severely competing with and smother, Stinking mayweed (Anthemis cotula) is  an annual weed common in the North Island and also in Nelson, Marlborough and Canterbury. When in ear the short, stubby panicle (1.5 - 6 cm x 1.2 – 2.2 cm) is quite distinct and makes a good identification feature. First Name must have at least 0 and no more than 256 characters. Broom is a … Great yields start with good weed control. Common Pasture Weeds. Ph 03 318 8514 It is frost sensitive so it only, Wild Oats (Avena fatua) Wild oats are a common and very damaging weed that can occur in many crops. Twin cress is common in cultivated ground, crops and open pastures. 50 cm tall with soft, leafy stems and distinctive yellow flowers. It has a prostrate creeping stems which root at the nodes. It is well known as stinging nettle due its characteristic of causing swelling and stinging to the skin, Nipplewort (Lapsana communis) is an annual that grows to 1 m in height, it has a spindly appearance with few hairs, and a milky sap. As plants get bigger the leaves are shiny underneath and these stand out, especially on breezy days. Healy AJ, Edgar E, 1980. Often goes unnoticed in pasture because the leaves look similar to perennial ryegrass. Faster brownout Local trials showed this combination of active ingredients consistently provided the highest level of early broadleaf weed control in new pasture prior to the first grazing. Broadleaf weeds in Rodney reduce both pasture production and feed quality. maize). Thistle Killem™Ultra Herbicide. The flowers grow in clusters and each flower has. I am sure star weed would be high in a top 20 on the list of worst amenity turf weeds in New Zealand, but they are not very often a weed in gardens. Later when it comes into ear it develops the long silvery panicles which give it the other common names. Depending upon the crop controlling 5-10 wild oats per square meter will result in an economic response. Germination generally takes place at the same time as the crop. GROUP HERBICIDE01 6. Void™Herbicide. The flowers are white with a pink tinge, and grouped in round heads 1.5-3cm in diameter. so in the lower South Island. Spray out and sowing tips Spraying tips prior to planting your pasture and managing weed burden in existing pastures. Male and female flowers are on different plants The calyx is long and inflated, pale green in colour sometimes with brownish-purple veins showing, but narrower than that seen in Bladder Campion. Pasture Guard 2,4-D 680 controls most broadleaf weed species in established pasture, some crops and non cropland areas. spring sown crops as it can be very competitive and smother crops. Weeds such as … Barnyard grass germinates in the spring, Black nightshade (Solanum nigrum) is a significant weed in arable and horticultural crops but it is also common in disturbed pasture. Steps to Manage Pasture Weeds 1. One weed, giant buttercup, costs the dairy industry over $150 million each year in lost productivity and attempts at control. Commonly known as redroot, amaranthus (Amaranthus powellii) is a serious weed of maize, other crops and orchards and is widespread throughout New Zealand. as the crop it grows quickly and competes aggressively for space, light, nutrients and water. Vines climb and scramble, smothering trees and forest canopies. Gary Bosley, PGG Wrightson’s Technical Specialist, is a contributor to New Zealand Lifestyle Block magazine. Velvetleaf. AgPest contains a number of New Zealand pasture weeds and pests, which have been chosen in consultation with key farming, industry and research personnel. The flowers later form linear pods. The seeds are contained in a long seed-pod which resembles the bill of a stork. Create an attractive workplace for staff and maximise time out in the paddock for cows by milking efficiently. RD 1. This page will help you with weed identification and includes all of the common weeds that affect your crops and the major pasture weeds. Found in moist disturbed areas such as roadsides, cropland, pasture, drainage ditches and waste areas.                      Â, Lesser canary grass (Phalaris minor) is originally from the Mediterranean and is now a common, annual grass weed of winter planted cereal crops. When weeds become a continual … The leaf base has a short ligule and long, narrow spreading auricles. Crested dogstail (Cynosurus cristatus) Annual or biennial, it is usually. It is a common weed in arable and horticultural crops, gardens and waste areas. The leaves. and hedgerows Cleavers have a scrambling, clambering growth habit and “stickiness” due to tiny hooks on its  stems and seeds. It starts as a rosette that then forms a vigorous upright stem up to 1.8 metres tall. flowers consist of central yellow disc florets, surrounded by five white ray florets which are 3 lobed at the tip. The flowers are bright yellow with four petals. 9. Flowers are up to 28mm long, and appear between August to June. when temperatures increase. It has sprawling and upright stems up to 40 cm long with a square, Field pansy (Viola arvensis) resembling the garden variety pansy, the field pansy grows year round in parts of the North Island, but more commonly in the South Island. Staggerweed is a reasonably small annual weed which tends to scramble across the ground rather than grow upright. Weak stems with clusters of pink flowers. Black nightshade is present throughout New Zealand but less. The upper leaves are smooth and lance-shaped. The root is a strong thick perennial taproot, enabling easy regrowth. It has characteristic reddish stems with yellow flowers. It a low growing spreading annual (up to 40 cm) with, light green soft leaves, (lighter underneath) up to 2 cm long. Pasture Plant ID Pasture cultivar About 'Pasture Info' Pasture Info Home Weeds. A low growing perennial, white clover (Trifolium repens) has spreading stems that root at the nodes. Contact details for DairyNZ regional offices, consulting officers, and our Farmer Information Service. The key difference with Tribal Gold over other MCPA/MCPB mixed formulations is the broader weed spectrum. ... showed both farm’s had the same weed component in their pasture, approximately 5 percent. Stems are upright, with downward pointing hairs and alternate branches. Research has shown over 99% of seeds in the soil on dairy farms are weeds 1, and these can take over if thin pastures aren’t thickened with ryegrass. White Campion is found in Wellington and most parts of the South Island on waste areas, arable land, pasture and river-beds. Please refer to the product label for a full list of rates, the weeds controlled by the product and other important information. It prefers moist situations and can be a problematic weed in orchards because of its tolerance to glyphosate.Â, Willow weed (Persicaria maculosa) is an erect and sprawling summer growing annual that can be a serious weed in crops (e.g. We're continually developing new solutions to protect your crops from the major weeds that threaten yields here in New Zealand. They have a mouse-eared shape and grow to about 25mm long. A significant weed of cereal and horticultural crops and often found scrambling up fencelines, A classic example of a desirable plant in pastures that can be undesirable in other situations. The erect weed grows to, Hawkesbeard (Crepis capillaris) is a common annual or biennial weed found throughout New Zealand in turf, lawns, crops and newly sown pasture. so in the lower South Island. The flowers are a mauve-pink colour, have five undivided petals, and are arranged in loose clusters on reddish coloured hairy stalks. The leaves and stems are dark green, rough and bristly. It is very common throughout New Zealand in cultivated soil and is, Sow thistle (Sonchus oleraceus) is common throughout New Zealand in crops, gardens and waste areas. Pasture Weed Watch. Clovers are, Cornbind (Fallopia convolvulus) also known as Black-bindweed, is a climbing, spreading vine that grows to 1 – 1.5 m long with stems that twine clockwise around other plant stems. This is the most common dock weed found around farmyards, in damp arable & pasture land, wasteland and gardens. It is an annual weed that germinates in the spring and autumn. Barenbrug Agriseeds - Superior Pastures. It is common throughout New Zealand and is a significant weed of crops (especially cereals) as it can smother crops if notÂ, Galinsoga (Galinsoga parviflora), also known as Gallant Soldier, is an annual upright weed which grows to about 75 cm tall. (Book no longer in print and hard to find in second-hand bookshops). Wild carrot (Daucus carota), a common pasture weed in some fields, has about 16 percent crude protein in the vegetative stage. perennial species with creeping stolons and characteristic three leaflets per stem. As with any agricultural production system, weeds are a threat to efficient pasture production in New Zealand. The root system is easily broken up by cultivation but new plants originate from these and can be very problematic in crops and new pastures. The open flowers are at the top of the branched stems; the unopened buds below. Creeping mellow is widespread in the North Island but less common as you go southwards in the South Island.