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Articoli di riviste sul tema "Clover"

Autore: Grafiati

Pubblicato: 4 giugno 2021

Ultima modifica: 25 luglio 2025

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1

Eden, T. M., P. J. Gerard, D. J. Wilson, and N. L. Bell. "Effects of invertebrate pests on white and annual clovers in dryland soil." New Zealand Plant Protection 63 (August 1, 2010): 235–40. http://dx.doi.org/10.30843/nzpp.2010.63.6574.

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Abstract (sommario):

Two experiments were carried out at Ruakura in soil taken from Whatawhata hill country pasture The relative susceptibility of several annual clovers (Trifolium spp) and perennial white clover (T repens) to slugs (Deroceras reticulatum) clover root weevil (Sitona lepidus) adults native crickets (Nemobius sp) or wheat bugs (Nysius huttoni) was tested by sowing seed of the clovers into separate rows in turf Susceptibility of clovers to clover cyst nematode (Heterodera trifolii) was tested by sowing each clover variety into Whatawhata soil inoculated with the nematode Plant growth was assessed in

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2

Ferguson, C. M., D. M. Barton, and B. A. Philip. "Clover root weevil tolerance of clover cultivars." Journal of New Zealand Grasslands 78 (January 1, 2016): 197–202. http://dx.doi.org/10.33584/jnzg.2016.78.500.

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Clover root weevil arrived in New Zealand about 20 years ago causing major loss of productivity as it progressively spread across the whole country. It is now largely controlled by an introduced parasitic wasp biocontrol agent Microctonus aethiopoides (Irish ecotype). However, management of insect pests should not rely on a single mechanism and clovers resistant or tolerant to this weevil would be a useful augmentation for farmers to have. This investigation reports on the suitability of 22 clover cultivars to attack from the weevil. Results have shown that contrary to popular belief, red clov

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3

Gerard, Crush, and S. Rasmussen. "Formononetin in clovers as a feeding deterrent against clover root weevil." NZGA: Research and Practice Series 12 (January 1, 2006): 135–39. http://dx.doi.org/10.33584/rps.12.2006.3027.

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The effect of leaf feeding by adult clover root weevils on the isoflavonoid content of red and white clovers was investigated in a glasshouse experiment. Lines of both clovers previously selected for variation in formononetin content were used. A higher percentage of white clover leaves than red clover leaves were damaged by the weevils, and the high formononetin red clover was least readily eaten. The formononetin content of the white clovers did not differ between the selections, was much lower than in the red clovers, and did not change in response to weevil feeding. In both red clover line

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4

Gerard, P. J., C. M. Ferguson, and S. Van Amsterdam. "Comparison of New Zealand perennial clovers for resilience against common pasture pests." New Zealand Plant Protection 70 (July 25, 2017): 241–49. http://dx.doi.org/10.30843/nzpp.2017.70.57.

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Abstract (sommario):

Clovers (Trifolium spp.) are vulnerable to a large number of invertebrate pests so pest resilience amongst 19 leading commercial or near release New Zealand-bred clover cultivars was compared. Laboratory feeding choice tests comparing foliage from the test clovers against Grasslands Kopu II as the standard confirmed that red clovers (T. pratense) were less preferred than white clovers (T. repens) by adult clover root weevil and clover flea. Grey field slug showed no preference between red and white clovers, with the white clover Grassland Prestige performing the best. Porina larvae had lowest

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5

Macfarlane, M. J., P. D. Muir, and E. Crofoot. "The role of plantain (Plantago lanceolata) on East Coast dryland: results from three farm case studies." Journal of New Zealand Grasslands 77 (January 1, 2015): 103–8. http://dx.doi.org/10.33584/jnzg.2015.77.494.

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Three on-farm sites where plantain was sown with legumes and/or perennial ryegrass were monitored for 2 years post-sowing. On two cultivated sites in Hawke's Bay, newly sown plantain/clover pastures produced 20% and 22% more dry matter, respectively, than newly sown ryegrass/clover or established pastures. On an uncultivatable site in coastal Wairarapa, aerially oversowing of plantain and clover resulted in 282% more dry matter than resident pasture on north faces. Plantain pastures had higher clover contents and lambs had faster growth rates and higher dressing-out percentages than lambs fini

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6

Peprah, Samuel, Enkhjargal Darambazar, Bill Biligetu, et al. "White Prairie Clover (Dalea candida Michx. ex Willd.) and Purple Prairie Clover (Dalea purpurea Vent.) in Binary Mixtures with Grass Species." Sustainable Agriculture Research 11, no. 2 (2022): 30. http://dx.doi.org/10.5539/sar.v11n2p30.

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Native forage legumes may have potential for summer/fall grazing in semiarid prairie regions in mixture with grasses. The objective of this study was to evaluate two native clovers in binary mixtures with the introduced grasses when harvested in July and September to simulate late summer or fall stockpile forage. Eight binary clover&ndash;grass mixtures were seeded in a split-plot design with 4 replications at Swift Current, Saskatchewan, Canada. Mixtures included (i) AC Antelope white prairie clover (WPC)-Admiral meadow bromegrass (MBG), (ii) WPC-AC Success hybrid bromegrass (HBG), (iii)

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7

Ross, S. M., J. R. King, R. C. Izaurralde, and J. T. O’Donovan. "The green manure value of seven clover species grown as annual crops on low and high fertility temperate soils." Canadian Journal of Plant Science 89, no. 3 (2009): 465–76. http://dx.doi.org/10.4141/cjps08173.

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Abstract (sommario):

Annual and perennial clover species may differ in green manure value. Seven clover (Trifolium) species were grown as annual crops on low fertility (Breton) and high fertility (Edmonton) soils in Alberta. Four annual clovers [balansa (T. michelianum Savi), berseem (T. alexandrinum L.), crimson (T. incarnatum L.), and Persian (T. resupinatum L.)], three perennial clovers [alsike (T. hybridum L.), red (T. pratense L.), and white Dutch (T. repens L.)] and a non-legume reference crop [fall rye (Secale cereale L.)] were ploughed-down as green manure in autumn, and followed by barley (Hordeum vulgare

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8

Howieson, J. G., R. J. Yates, G. W. O'Hara, M. Ryder, and D. Real. "The interactions of Rhizobium leguminosarum biovar trifolii in nodulation of annual and perennial Trifolium spp. from diverse centres of origin." Australian Journal of Experimental Agriculture 45, no. 3 (2005): 199. http://dx.doi.org/10.1071/ea03167.

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Abstract (sommario):

The release of effective inocula for new perennial clovers into cropping zones where subterranean clover is important might compromise N2 fixation by this valuable annual clover if symbiosis between the new inoculants and subterranean clover is not optimal. To assist our understanding of the interactions between clovers and their microsymbionts, rhizobial strains and clovers from South and equatorial Africa, North and South America, and the Euro–Mediterranean regions were tested. Glasshouse-based studies of the cross-inoculation characteristics of 38 strains of Rhizobium leguminosarum bv. trif

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9

McCurdy, James D., J. Scott McElroy, Michael L. Flessner, Jared A. Hoyle, and Ethan T. Parker. "Tolerance of Three Clovers (Trifoliumspp.) to Common Herbicides." Weed Technology 30, no. 2 (2016): 478–85. http://dx.doi.org/10.1614/wt-d-15-00062.1.

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Abstract (sommario):

Clover inclusion may increase the sustainability of certain low-maintenance turfgrasses. However, selective weed control within mixed turfgrass–clover swards proves problematic because of clover susceptibility to herbicides. Research was conducted to identify common turf herbicides that are tolerated by threeTrifoliumspecies, including white clover, ball clover, and small hop clover, within low-maintenance turfgrass. Leaf and flower density, as well as plant height, were measured 4 wk after treatment as indicators of clover response to 14 herbicides. The threeTrifoliumspp. were moderately tole

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10

McCurdy, James D., J. Scott McElroy, and Michael L. Flessner. "Differential Response of FourTrifoliumSpecies to Common Broadleaf Herbicides: Implications for Mixed Grass-Legume Swards." Weed Technology 27, no. 1 (2013): 123–28. http://dx.doi.org/10.1614/wt-d-12-00093.1.

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Abstract (sommario):

Clovers are commonly included as utility plants within mixed grass swards, such as pastures and roadside right-of-ways. As such, they provide supplemental nitrogen, quality forage, and insect habitat. Yet weed control within mixed swards is often hampered by the lack of selective herbicides that are tolerated by clovers. Differential tolerance of legumes to common row-crop and pasture herbicides has previously been reported, yet little information is available that is specific to clover species. Herbicide injury of clover is often inconsistent, hypothetically due to differential species tolera

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11

Jokinen, Raili. "Effect of liming and N fertilization on growth, macronutrient content and uptake by mixed stands of three clovers and timothy." Agricultural and Food Science 57, no. 4 (1985): 213–21. http://dx.doi.org/10.23986/afsci.72207.

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Mixed stands of clovers and timothy grew well in unlimed (Ca0) acid soil (pH(CaCl2) 4.8). The highest total yield of red clover-timothy was obtained at a low lime level (Ca1 = 12g /pot CaCO3). The yield of red clover alone responded to liming similarly. The reducing effect of N fertilization (2000 mg/pot N as NH4NO3) on the yield of clovers was greatest in the first growing season (cuts 1 to 4) without lime, and in the second growing season (cuts 5 to 7) with lime (Ca1 = 12g /pot, Ca2 = 24g/pot). Liming without N fertilization promoted the growth of timothy only in the two first cuts; N fertil

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12

Norman, Hayley C., David G. Masters, Allan J. Rintoul, et al. "The relative feeding value of a new pasture legume, eastern star clover (Trifolium dasyurum), compared with subterranean clover (Trifolium subterraneum)." Australian Journal of Agricultural Research 56, no. 6 (2005): 637. http://dx.doi.org/10.1071/ar04271.

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An accession of eastern star clover (Trifolium dasyurum C. Presl.), a new species to agriculture, has been identified by the National Annual Pasture Legume Improvement Program for commercial release in Australia. This paper reports the findings of an experiment designed to assess the feeding value of eastern star clover compared with a commercial cultivar of subterranean clover (T. subterraneum L. cv. Dalkeith). The hypothesis tested in this experiment is that sheep grazing eastern star clover will have similar growth rates, condition scores, and wool production to sheep grazing subterranean c

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13

Sultana, Sharmin, Kevin Foster, Lee Yong Lim, Katherine Hammer, and Cornelia Locher. "A Review of the Phytochemistry and Bioactivity of Clover Honeys (Trifolium spp.)." Foods 11, no. 13 (2022): 1901. http://dx.doi.org/10.3390/foods11131901.

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Abstract (sommario):

This review covers a comprehensive overview of the phytoconstituents and bioactivities reported to date for clover honeys produced from various Trifolium spp. against the backdrop of a more general discussion of the chemistry and bioactivity of these important agricultural species. While research into the phytochemical composition of various honeys and their associated bioactivities is growing, this review demonstrates that the literature to date has seen only a limited number of studies on clover honeys. Surprisingly, there appear to be no comparative data on the concentration of flavonoids i

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14

Evers, Gerald W., W. James Grichar, Claude L. Pohler, and A. Michael Schubert. "Tolerance of Three Annual Forage Legumes to Selected Postemergence Herbicides." Weed Technology 7, no. 3 (1993): 735–39. http://dx.doi.org/10.1017/s0890037x00037623.

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Field studies were conducted from 1986 through 1989 to evaluate the tolerance of three clover species to selected POST herbicides. 2,4-D at 0.8 and 1.7 kg ha−1injured rose and berseem clovers while the high rate injured subterranean clover. Bentazon and pronamide did not injure rose or subterranean clover; however, pronamide at 3.4 kg ha−1injured berseem clover 18% when rated 72 days after treatment.

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15

Gibberd, M. R., and P. S. Cocks. "Effect of waterlogging and soil pH on the micro-distribution of naturalised annual legumes." Australian Journal of Agricultural Research 48, no. 2 (1997): 223. http://dx.doi.org/10.1071/a96074.

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Abstract (sommario):

Variation in the size and composition of the soil seed bank of 3 naturalised legumes, subterranean clover (Trifolium subterraneum L.), woolly clover (T. tomentosum L.), and cluster clover (T. glomeratum L.), was related to soil characteristics on a transect that ascended from a winter waterlogged area in a wheatbelt pasture. Growth of the 3 species was compared with other species from section Vesicaria (T. resupinatum and T. clusii) in waterlogged and freely drained pots for 34 days. Of the 3 naturalised legumes present in the transect, cluster clover was rare, and woolly and subterranean clov

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16

Barbetti, MJ. "Breakdown in resistance of subterranean clovers to clover scorch disease (Kabatiella caulivora)." Australian Journal of Agricultural Research 46, no. 3 (1995): 645. http://dx.doi.org/10.1071/ar9950645.

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Abstract (sommario):

In spring 1990, in the Australasian Subterranean Clover and Alternative Legume Improvement Program field plots at Denmark, Western Australia, subterranean clover cultivars and crossbred lines normally highly resistant to clover scorch disease caused by Kabatiella caulivora, were severely affected by this disease. Testing the response of subterranean clover varieties to Kabatiella isolates taken from plants from these plots indicates the arrival of a new race of the fungus. The new race differs from all other isolates in overcoming the previously outstanding resistance of cultivars Green Range,

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17

KÄNKÄNEN, H., C. ERIKSSON, and M. RÄKKÖLÄINEN. "Effect of annually repeated undersowing on cereal grain yields." Agricultural and Food Science 10, no. 3 (2001): 197–208. http://dx.doi.org/10.23986/afsci.5693.

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Cover crops can be used to reduce leaching and erosion, introduce variability into crop rotation and fix nitrogen (N) for use by the main crops. In Finland, undersowing is a suitable method for establishing cover crops in cereal cropping. The effect of annual undersowing on cereal grain yield and soil mineral N content in spring was studied at two sites. Red clover (Trifolium pratense L.), white clover (Trifolium repens L.), a mixture of red clover and meadow fescue (Festuca pratensis Huds.), and westerwold ryegrass (Lolium multiflorum Lam. var. westerwoldicum) were undersown in spring cereals

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18

MacKinnon Henning, Dianna. "Clover." Psychological Perspectives 64, no. 2 (2021): 276. http://dx.doi.org/10.1080/00332925.2021.1959801.

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19

Liu, Qingrui, Changhee Jung, Dongyoon Lee, and Devesh Tiwari. "Clover." ACM SIGPLAN Notices 50, no. 5 (2015): 1–10. http://dx.doi.org/10.1145/2808704.2754959.

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20

Harrison, Barbara, Todd A. Steinlage, Leslie L. Domier, and Cleora J. D'Arcy. "Incidence of Soybean dwarf virus and Identification of Potential Vectors in Illinois." Plant Disease 89, no. 1 (2005): 28–32. http://dx.doi.org/10.1094/pd-89-0028.

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Abstract (sommario):

Soybean dwarf virus (SbDV), which causes an important disease of soybeans in Japan, is persistently transmitted by aphids and is endemic in forage legumes in the United States. To determine the incidence of SbDV in Illinois, we collected clovers and forage legumes in a total of 49 Illinois counties in 2001 and 2002 and tested them for the presence of SbDV by reversetranscription-polymerase chain reaction. SbDV was detected in 43% of red clover (Trifolium pratense), 10% of white clover (T. repens), and 3% of yellow sweet clover (Melilotus officinalis) plant samples. The dwarfing strain (SbDV-D)

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21

Gemell, L. G., E. J. Hartley, and D. F. Herridge. "Point-of-sale evaluation of preinoculated and custom-inoculated pasture legume seed." Australian Journal of Experimental Agriculture 45, no. 3 (2005): 161. http://dx.doi.org/10.1071/ea03151.

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Abstract (sommario):

During 1999–2003, 293 samples of preinoculated and custom-inoculated lucerne, subterranean clover, white clover, red clover and miscellaneous species (mainly other clovers) were sourced from commercial outlets and assessed for numbers of rhizobia, seed pellet pH and toxicity, and nodulation in a ‘grow-out’ test. Average rhizobial counts were 8400/seed for preinoculated lucerne, 1380/seed for subterranean clover and <100/seed for white and red clovers and for the miscellaneous species. These counts compared poorly with the average counts of 35 100/seed, 13 800/seed and 10 000/seed for freshl

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22

Budiastuti, Maria Theresia Sri, Supriyono Supriyono, Muji Rahayu, Desy Setyaningrum, and Latiffah Indriana Septin. "Effects of Water Clover Density and Submerged NPK Fertilizer on Rice Production." PLANTA TROPIKA 12, no. 2 (2024): 107–14. http://dx.doi.org/10.18196/pt.v12i2.19275.

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Water clover is an important weed that causes a decrease in rice yields by 15-42%. This study examined the effects of water clover density andNPK fertilizer application on rice yields. This study was arranged in a complete randomized block design with two factors. The first factor was water clover density with three levels, consisting of no water clover, one water clover, and two water clover. The second factor was the application of NPK, which was applied to the surface, submerged in 3, 6, and 9 cm—performed with three replications. Water clover density affected the number of rice panicles, t

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23

Boyle, Paige E., Kelly Kopp, Xin Dai, Bradley Bushman, Paul Johnson, and Paul Grossl. "Clover (Trifolium spp.) Inclusion in Kentucky Bluegrass (Poa pratensis) Lawns." HortScience 59, no. 7 (2024): 1020–26. http://dx.doi.org/10.21273/hortsci17732-24.

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Historically, white clover (Trifolium repens) seed was included in turfgrass seed mixtures to provide biodiversity and nitrogen (N) to lawns. White clover dicultures have been studied recently for inclusion in both warm- and cool-season turfgrasses, with the goals of reducing fertilizer applications and providing pollinator forage in lawns; however, other clovers have not been as widely researched in turfgrass. The objectives of this study were to evaluate 1) if white, strawberry (T. fragiferum), crimson (T. incarnatum), and rose (T. hirtum) clovers can persist in dicultures with Kentucky blue

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24

Humphries, A. W., S. S. Robinson, D. Hawkey, et al. "Diversity for resistance to a moderately virulent bluegreen aphid (Acyrthosiphon kondoi Shinji) population in Trifolium species." Crop and Pasture Science 67, no. 9 (2016): 1009. http://dx.doi.org/10.1071/cp15102.

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The resistance of a diverse range of Trifolium species (clovers) to a highly virulent bluegreen aphid (BGA, Acyrthosiphon kondoi Shinji) population (Urrbrae 2011) collected in South Australia was assessed in greenhouse and field experiments, with the aims of determining the potential impact of this insect pest on biomass and identifying resistant genotypes for future plant-breeding activities. Resistance to BGA was found in populations of clovers that show some level of outcrossing—white clover (T. repens L.), rose clover (T. hirtum All.), crimson clover (T. incarnatum L.) and red clover (T. p

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25

Drew, E. A., N. Charman, R. Dingemanse, E. Hall, and R. A. Ballard. "Symbiotic performance of Mediterranean Trifolium spp. with naturalised soil rhizobia." Crop and Pasture Science 62, no. 10 (2011): 903. http://dx.doi.org/10.1071/cp11047.

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Naturalised soil rhizobia that nodulate clover occur in high number and are known to vary in their symbiotic performance (SP) with subterranean clover (Trifolium subterraneum L.). However, the extent of suboptimal fixation across a range of other clover species is not well understood. T. subterraneum and nine other annual clover species of Mediterranean origin were evaluated for their SP in combination with the naturalised clover rhizobia in 71 Australian soils and five strains of Rhizobium leguminosarum bv. trifolii that have been used in the inoculants produced for clovers. The most probable

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26

Rohwer, Charlie L. "Interseeded Crimson Clover or Red Clover Did Not Reduce Pumpkin Yield." HortTechnology 35, no. 3 (2025): 313–20. https://doi.org/10.21273/horttech05608-25.

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Pumpkins (Cucurbita pepo L.) are grown with wide between-row spacing. The inter-row soil may not be covered by the pumpkin canopy until August in Minnesota, and the pumpkin canopy dies at frost (typically October). This provides spatiotemporal availability for growing cover crops, especially frost-tolerant and shade-tolerant species like clover (Trifolium sp.). However, ensuring minimal interference with the pumpkin crop is important. A 2-year study was conducted to gain a better understanding of the potential for crimson (T. incarnatum L.) or red (T. pratense L.) clover to be sown between pum

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27

Evans, P. M., S. Walton, P. A. Riffkin, and G. A. Kearney. "Effect of plant density on the winter production of annual clovers grown in monocultures." Australian Journal of Experimental Agriculture 42, no. 2 (2002): 135. http://dx.doi.org/10.1071/ea01003.

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Abstract (sommario):

The small-seeded annual clovers, balansa and Persian, are often assumed to be poor winter producers. Their small seed size, of about 1 mg or less, and poor regeneration, possibly due to inappropriate grazing management in many instances, contributes to this perception. To test the hypothesis that early growth of these clovers is determined by the weight of germinating seed, as it is in subterranean clover, an experiment with 2 cultivars of subterranean clover, Leura and Trikkala, 2 cultivars of balansa clover, Paradana and Bolta, and 1 of Persian clover, Nitro Plus, was established in the fiel

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28

Black, A. D., D. J. Moot, and R. J. Lucas. "Seasonal growth and development of Caucasian and white clovers under irrigated and dryland conditions." NZGA: Research and Practice Series 11 (January 1, 2003): 81–89. http://dx.doi.org/10.33584/rps.11.2003.2992.

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Abstract (sommario):

Dry matter (DM) production of sown monocultures of Caucasian and white clovers was compared under irrigated and dryland (non-irrigated) conditions in their third year. Caucasian clover produced 11.9 t DM/ ha when irrigated and 9.4 t DM/ha under dryland conditions, and both treatments exceeded white clover by ~2.5 t DM/ha. This increase in yield reflected ~23 kg DM/ha/day higher production rates in spring and summer. During this period, production rates of irrigated treatments increased by 11 kg DM/ ha/day/oC for Caucasian compared with 8 kg DM/ha/ day/oC for white clover as mean daily air temp

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Black, A. D., and J. L. Moir. "Dry matter and sheep production of four dryland tall fescue-clover pastures 4-6 years after establishment." Journal of New Zealand Grasslands 77 (January 1, 2015): 117–22. http://dx.doi.org/10.33584/jnzg.2015.77.492.

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Abstract (sommario):

Effects of tall fescue cultivar ('Advance' and 'Flecha') and clover species (white and subterranean (sub) clovers) combinations on pasture dry matter (DM) and sheep production were assessed in years four (2011/12), five (2012/13) and six (2013/14) after establishment in dryland, Canterbury. 'Advance' pastures yielded less total herbage than 'Flecha' pastures (13.9 cf. 16.5 t DM/ha) but more fescue (8.6 cf. 5.9 t DM/ha) and 2.1 t DM/ha clover in year four, 13.5 t DM/ha total herbage with more fescue (8.0 cf. 4.1 t DM/ha) and 1.9 t DM/ha clover in year five, and 11.7 t DM/ha total herbage, 5.4 t

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30

Potter, Daniel A., Carl T. Redmond, Timothy D. McNamara, and Gregg C. Munshaw. "Dwarf White Clover Supports Pollinators, Augments Nitrogen in Clover–Turfgrass Lawns, and Suppresses Root-Feeding Grubs in Monoculture but Not in Mixed Swards." Sustainability 13, no. 21 (2021): 11801. http://dx.doi.org/10.3390/su132111801.

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Abstract (sommario):

The runoff or leaching of nitrogen fertilizers from monoculture turfgrass lawns contri-butes to water pollution, and such lawns are susceptible to insect pests and provide few resources for pollinators. One approach to creating more sustainable lawns is to incorporate white clover (Trifolium repens L.), a nitrogen-fixing legume, into grass seed mixtures or existing turfgrass swards. “Dutch” white clover (DWC), a ubiquitous landrace, forms non-uniform clumps when intermixed with turfgrasses, thus it is often considered to be a lawn weed. Recently, several dwarf varieties of white clover have be

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31

Hill, MJ. "Sward growth of monocultures and binary mixtures of phalaris, lucerne, white clover and subterranean clover under two defoliation regimes." Australian Journal of Experimental Agriculture 31, no. 1 (1991): 51. http://dx.doi.org/10.1071/ea9910051.

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Abstract (sommario):

Sirosa phalaris, WL5 15 lucerne, Haifa white clover and Seaton Park subterranean clover were grown in monocultures and binary mixtures on a cracking clay soil and cut at 4- and 8-week intervals over 3 growing seasons at Scone, New South Wales (32�S.). The plots were given supplementary irrigation between mid April and November to prevent water deficits. The deep-rooted perennials dominated mixtures under infrequent cutting, with cumulative dry matter yields for the growing season reaching 11 t/ha for lucerne-based mixtures. Frequent defoliation increased the contribution of the clovers in mixt

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32

Macfarlane, M. J., E. W. Crofoot, and P. D. Muir. "Effects of closing date on seeding and hardseededness of balansa, gland, Persian and arrowleaf clovers on East Coast dryland." Journal of New Zealand Grasslands 77 (January 1, 2015): 219–26. http://dx.doi.org/10.33584/jnzg.2015.77.461.

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Abstract (sommario):

Four annual clovers (Arrowleaf (Trifolium versiculosum), balansa (T. michelianum), Persian (T. resupinatum) and gland (T. glanduliferum)) were sown on five East Coast dryland farms and one moist Taranaki site. Hardseededness was measured at all sites and seed production and hardseededness was measured at three sites following different closing dates. There were no differences in seed size for any species between sites or closing dates. High levels of seed (500-700 kg/ha) were set by balansa and arrowleaf clovers after an early closing date (early September). Flowering and seed production decre

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33

Koehler-Cole, Katja, James R. Brandle, Charles A. Francis, Charles A. Shapiro, Erin E. Blankenship, and P. Stephen Baenziger. "Clover green manure productivity and weed suppression in an organic grain rotation." Renewable Agriculture and Food Systems 32, no. 5 (2016): 474–83. http://dx.doi.org/10.1017/s1742170516000430.

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Abstract (sommario):

AbstractGreen manure crops must produce high biomass to supply biological N, increase organic matter and control weeds. The objectives of our study were to assess above-ground biomass productivity and weed suppression of clover (Trifolium spp.) green manures in an organic soybean [Glycine max (L.) Merr.]-winter wheat (Triticum aestivum L.)-corn (Zea mays L.) rotation in eastern Nebraska in three cycles (2011–12, 2012–13, 2013–14). Treatments were green manure species [red clover (T. pratense L.) and white clover (T. repens L.)] undersown into winter wheat in March and green manure mowing regim

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34

Zhao, Xueying, Zhi Tian, Lintao Cheng, et al. "Comparative Study on the Morpho-Physiological Responses of White Clover Cultivars with Different Leaf Types to Water Deficiency." Agronomy 13, no. 7 (2023): 1859. http://dx.doi.org/10.3390/agronomy13071859.

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Abstract (sommario):

White clover (Trifolium repens L.) is one of the legume herbages with high feed quality, but it is sensitive to water deficiency. The objectives of this study were to compare morpho-physiological responses to drought stress and post-drought recovery in four-leafed white clover cultivars. Under well-watered conditions, drought stress (3 d, 6 d, 9 d and 12 d), and rehydration, the relative water content (RWC), membrane lipid permeability, osmoregulatory substances, photosynthetic characteristics and stomatal features of Chinese native Longping No.1 (LP, small-leafed) and three introduced cultiva

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35

Witte, John. "The Clover." Iowa Review 46, no. 1 (2016): 156. http://dx.doi.org/10.17077/0021-065x.7710.

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36

Lee, Monica. "Creating clover." Human Resource Development International 1, no. 3 (1998): 259–62. http://dx.doi.org/10.1080/13678869800000034.

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37

BAUMANN, LESLIE S. "Red Clover." Skin & Allergy News 36, no. 4 (2005): 14. http://dx.doi.org/10.1016/s0037-6337(05)70088-7.

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38

Arner, Dale H., Jeanne Jones, and Chris Bucciantini. "Carolina clover." Journal of Soil and Water Conservation 47, no. 4 (1992): 292–93. https://doi.org/10.1080/00224561.1992.12456719.

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39

ANNICCHIARICO, P., and E. PIANO. "Response of white clover genotypes to intergenotypic and interspecific interference." Journal of Agricultural Science 128, no. 4 (1997): 431–37. http://dx.doi.org/10.1017/s0021859697004334.

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Abstract (sommario):

Six white clover genotypes that were easily distinguishable from each other on the basis of leaf lamina marks and morphology were grown at Lodi, Italy, during 1990 and 1991 in dense swards, under field conditions and a mowing regime, as (i) pure stands, (ii) a complex mixture of all genotypes, (iii) binary mixtures of each genotype with each of two ryegrass varieties, and (iv) complex mixtures of all clover genotypes in binary association with each grass variety. The grass components were of known, different vigour. The study assessed both intergenotypic and interspecific interference and rela

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40

Kemp, D. R., D. L. Michalk, and M. Goodacre. "Productivity of pasture legumes and chicory in central New South Wales." Australian Journal of Experimental Agriculture 42, no. 1 (2002): 15. http://dx.doi.org/10.1071/ea98171.

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Abstract (sommario):

Seven experiments were established across a range of environments (latitude 33°S) in central New South Wales to evaluate 52 legume cultivars and lines against currently recommended cultivars. Plots were grazed by either sheep or cattle after each harvest. Criteria for inclusion were that lines were either commercially available or in the process of being registered. Three experiments also included chicory. Sites had from 600 to 900 mm annual rainfall and were at altitudes of 440–1000 m. The 4-year program included the dry summer of 1990–91. White clover and subterranean clover were the most pr

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41

Fraser, J., and H. T. Kunelius. "Influence of seeding time on the yield of white clover/orchardgrass mixtures in Atlantic Canada." Journal of Agricultural Science 120, no. 2 (1993): 197–203. http://dx.doi.org/10.1017/s0021859600074232.

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Abstract (sommario):

SUMMARYThe influence of four seeding times on herbage dry matter (DM) yields and clover content of white clover (Trifolium repens L.)/orchardgrass (Dactylis glomerata L.) mixtures was evaluated at Truro, Nova Scotia and Charlottetown, Prince Edward Island from 1985 to 1988. Sacramento, Sonja and Milkanova white clover/orchardgrass mixtures were assessed under simulated grazing (four or five harvests per year) over two production years at each location.Delaying seeding from May to August reduced total herbage DM yields significantly in the first production year, from 8·1 to 3·3 t/ha in Truro an

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42

Tyller, R., V. Tyller, and I. Macháčková. "Red clover Bonus." Czech Journal of Genetics and Plant Breeding 44, No. 3 (2008): 123–24. http://dx.doi.org/10.17221/52/2008-cjgpb.

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43

Tyller, R., V. Tyller, and I. Macháčková. "Red clover Garant." Czech Journal of Genetics and Plant Breeding 44, No. 3 (2008): 125–26. http://dx.doi.org/10.17221/53/2008-cjgpb.

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44

Lichvárová, M. "Red Clover Magura." Czech Journal of Genetics and Plant Breeding 38, No. 3-4 (2012): 143–44. http://dx.doi.org/10.17221/6254-cjgpb.

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45

Norman, Hayley C., Philip S. Cocks, and Nick W. Galwey. "Annual clovers (Trifolium spp.) have different reproductive strategies to achieve persistence in Mediterranean-type climates." Australian Journal of Agricultural Research 56, no. 1 (2005): 33. http://dx.doi.org/10.1071/ar03236.

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Abstract (sommario):

The aim of this work was to determine whether different species of annual clover (Trifolium spp.), obtained from the same environment, have different reproductive strategies (combinations of reproductive traits) to achieve ecological success. A better understanding of the traits that improve persistence should allow agronomists to narrow the selection criteria for new clover cultivars for ley-farming systems in southern Australia. Seeds of 18 annual clover species were obtained from 3 Australian and 6 Mediterranean sites and were subsequently grown in a common garden in Western Australia. Repr

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46

KUUSELA, E. "Annual and seasonal changes in mineral contents (Ca, Mg, P, K and Na) of grazed clover-grass mixtures in organic farming." Agricultural and Food Science 15, no. 1 (2008): 23. http://dx.doi.org/10.2137/145960606777245551.

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Abstract (sommario):

A grazed field experiment was established in 1995 to evaluate alsike clover (Trifoliun hybridum L.), red clover (Trifolium pratense L.) and white clover (Trifolium repens L.) in clover-grass mixtures under organic farming practices. In this study the effect of seed mixture (alsike clover, red clover, white clover, white and alsike clover or grass mixture), year (1997, 1998) and grazing period (5 per grazing season) on the herbage calcium (Ca), magnesium (Mg), potassium (K) phosphorous (P) and sodium (Na) contents was assessed and the relationships between botanical proportions and herbage mine

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47

Belgrave, B. "Factors influencing farmer acceptance and uptake of new white clover cultivars." NZGA: Research and Practice Series 6 (January 1, 1996): 51–54. http://dx.doi.org/10.33584/rps.6.1995.3377.

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Abstract (sommario):

White clover is important to New Zealand pastoral farming yet uptake of new agronomically superior cultivars by farmers is slower than expected. Three main areas which explain why this is occurring are: 1. The need to demonstrate economic benefits due to superior agronomic performance of new cultivars to overcome barriers such as price and farmers satisfaction with existing products. 2. Farmers are influenced by advice of seed retailers/extension personnel, their knowledge of white clover cultivars, local research, and their economic situation. 3. White clover seed quantity and quality has bee

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48

Norton, M. R., and G. R. Johnstone. "Occurrence of alfalfa mosaic, clover yellow vein, subterranean clover red leaf, and white clover mosaic viruses in white clover throughout Australia." Australian Journal of Agricultural Research 49, no. 4 (1998): 723. http://dx.doi.org/10.1071/a97114.

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Abstract (sommario):

The levels of infection with 4 viruses in young white clover (Trifolium repens L.) plots sown in 1991 or 1992 were monitored at a total of 17 sites across the 6 States of Australia. Tests were undertaken for alfalfa mosaic (AMV), clover yellow vein (ClYVV), subterranean clover red leaf (SCRLV) (syn. soybean dwarf), and white clover mosaic (WClMV) viruses on field samples of 17 different cultivars, plus a local naturalised ecotype at each location, twice yearly over 3 years. The tests were undertaken using double antibody sandwich enzyme-linked immunosorbent assay (DASELISA). AMV and WClMV were

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49

Cohen, D. C. "Degradability of crude protein from clover herbages used in irrigated dairy production systems in northern Victoria." Australian Journal of Agricultural Research 52, no. 3 (2001): 415. http://dx.doi.org/10.1071/ar00033.

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Abstract (sommario):

An in sacco (nylon bag) technique was used to estimate the degradability of dry matter (DM) and crude protein, and to estimate the effective rumen degradability of protein (ERDP), for 3 irrigated clover herbages. Pasture characteristics (nutritive values and leaf: stem ratios) were also described, and relationships to ERDP established. The nutritive value characteristics and degradabilities of white clover (Trifolium repens L.), Persian clover (Trifolium resupinatum L.), and subterranean clover (Trifolium subterraneum L.) were also compared for various regrowth periods (of 3, 4, 6, and 12 week

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50

Norman, Hayley C., Angelo Loi, Matt G. Wilmot, Allan J. Rintoul, Bradley J. Nutt, and Clinton K. Revell. "Sheep grazing bladder clover (Trifolium spumosum L.) had similar productivity and meat quality to sheep grazing subterranean clover (Trifolium subterraneum L.)." Animal Production Science 53, no. 3 (2013): 209. http://dx.doi.org/10.1071/an12185.

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Abstract (sommario):

An accession of bladder clover, a new species to agriculture, was selected for commercial release in Australia with the cultivar name of AGWEST Bartolo. As part of a duty-of-care assessment, we tested the hypothesis that sheep grazing the bladder clover cultivar will have similar liveweight, condition scores and wool production to sheep grazing a widely adopted subterranean clover cultivar (cv. Dalkeith). Further, we hypothesised that sheep grazing bladder clover and subterranean clover will have similar meat quality (after 48 days of grazing) and health as indicated by muscle, liver and kidne

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