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Artículos de revistas sobre el tema "Clover Seeds"

Autor: Grafiati

Publicado: 4 de junio de 2021

Última modificación: 19 de febrero de 2022

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1

Dubal, Ítala T. P., Ivan R. Carvalho, Vinícius J. Szareski, João R. Pimentel, Cristian Troyjack, Gustavo H. Demari, Giordano G. Conte, et al. "Growth and Vigor Analysis of Crimson Clover Seeds Obtained Through Different Seeds Size." Journal of Agricultural Science 11, no. 2 (January 15, 2019): 548. http://dx.doi.org/10.5539/jas.v11n2p548.

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The objective to evaluate the effect of the size of the crimson clover seeds under the vigor of produced seeds, as well the growth and development throughout the crop cycle. The work was conducted in the experimental area of the Plant Science Department of the Federal University of Pelotas, in the state of Rio Grande do Sul, Brazil. It were used crimson clover seeds (Trifolium incarnatum L.), cultivar &ldquo;Crimson Clover&rdquo;. The seeds size effect affected the growth and the partition of the assimilated in the crimson clover plants, where medium size seeds raise the biomass accumu

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2

Kruzhilin, I. P., T. N. Dronova, and V. V. Boldyrev. "Growing red clover for seeds with irrigation." Russian Agricultural Sciences 34, no. 2 (April 2008): 105–7. http://dx.doi.org/10.3103/s1068367408020110.

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3

Montorsi, F. "First Report ofAscochyta rabieion Berseem Clover Seeds." Plant Disease 76, no. 5 (1992): 538B. http://dx.doi.org/10.1094/pd-76-0538b.

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4

Taylor, GB, and MA Ewing. "Effects of extended (4-12 years) burial on seed softening in subterranean clover and annual medics." Australian Journal of Experimental Agriculture 36, no. 2 (1996): 145. http://dx.doi.org/10.1071/ea9960145.

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The effect of burial of seeds of 3 cultivars of subterranean clover (Trifolium subterraneum) and 1 cultivar each of burr medic (Medicago polymorpha) and barrel medic (M. truncatula) that had experienced 1 summer at the soil surface was continued from 4 to up to 12 years. Seeds were situated at 2, 6 and 10 cm depth, as well as at the soil surface. Numbers of residual seeds were determined after each sampling occasion, the timing of which was varied between cultivars and depths of burial according to the progress of seed softening. The marked reduction in the rate of seed softening in all 3 clov

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5

SAKANOUE, S. "Demography of red clover seeds in mixed-sown meadows." Journal of Agricultural Science 143, no. 2-3 (June 2005): 193–97. http://dx.doi.org/10.1017/s0021859605005204.

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To clarify the reproduction probability of red clover (Trifolium pratense L.) in meadows for herbage cutting, the demography of this legume was studied in a meadow in the central mountainous district of Japan. The present study shows the demography of deposited red clover seeds in a meadow, where timothy (Phleum pratense L.) predominated and herbage had been harvested for making hay or silage in early June and late August of a year. The densities of deposited seeds, buried seeds and seedlings were monitored to determine their survival. Deposited seeds were collected using seed traps, buried se

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6

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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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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7

Santos, Lucian A. dos, Ivan R. Carvalho, Carolina C. Pinto, Vinícius J. Szareski, Jainara F. Netto, Letícia R. de Medeiros, Andréa B. N. Martins, et al. "Electrical Conductivity Test for Measurement of White Clover Seeds Vigor." Journal of Agricultural Science 11, no. 12 (July 31, 2019): 40. http://dx.doi.org/10.5539/jas.v11n12p40.

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This study aimed to evaluate the physiological performance of white clover seed lots of different tegument colours, besides to analyses the electrical conductivity test methodology with different seeds number, water volume and soaking periods. The experiment was developed at the Seed Didactic Laboratory in the Agronomy College &ldquo;Eliseu Maciel&rdquo; at the Federal University of Pelotas, in Pelotas-RS, Brazil. White clover seeds were manually separate, composing four lots of different coloured seeds: yellow, orange, brown and mixed. White clover seeds of yellow colour tend to prese

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8

Varis, E., U. Peltola, and R. Kauppila. "Seed yield and seed quality of subterranean clover (Trifolium subterraneum L.) in growing conditions of Finland." Agricultural and Food Science 62, no. 3 (July 1, 1990): 221–26. http://dx.doi.org/10.23986/afsci.72928.

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Seed yield and overwintering of seeds of 22 Australian subterranean clover varieties were investigated in 1986 and 1987 at the Viikki Experimental Farm of the University of Helsinki. The seed yield varied remarkbly according to the variety and weather conditions of the two summers. Some varieties, such as Seaton Park, Woogenellup and Karridale, and during the summer of 1987 also the early variety Dalkeith, produced lots of seed. Some late varieties, e.g. Treeton, Tallarook and Esperance, produced very few seeds or no seeds at all. A considerable proportion of the seeds degenerated during the w

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9

Soares, Gabriela Saldanha, Scarlet Neves Tuchtenhagen, Luiz Antonio de Almeida Pinto, and Carlos Alberto Severo Felipe. "Isotermas de adsorção de umidade e cinética de secagem de sementes de trevo persa (Trifolium resupinatum L.) e trevo vesiculoso (Trifolium vesiculosum) ¬¬¬¬." REVISTA ENGENHARIA NA AGRICULTURA - REVENG 28 (December 24, 2020): 535–48. http://dx.doi.org/10.13083/reveng.v29i1.9935.

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The aim of this work was to obtain adsorption isotherms and to study the drying kinetics of persian clover (Trifolium resupinatum L.) and arrowleaf clover (Trifolium vesiculosum) seeds, in addition, fitting the experimental data by the predicted models of the literature. The equilibrium moisture content and the moisture adsorption behavior were found by isotherms curves at 40, 45 and 50 ºC, and the Peleg model was the most suitable. The drying kinetics was determined by thin layer assays in an air parallel flow dryer at all three temperatures. In addition, it was demonstrated the predominance

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10

Gu, Chen, Alan D. Iwaasa, and Mengli Zhao. "Purple prairie clover seed viability and germinability after passing through the digestive tracts of yearling steers." Canadian Journal of Plant Science 99, no. 5 (October 1, 2019): 734–39. http://dx.doi.org/10.1139/cjps-2018-0283.

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Endozoochory by cattle has been considered an important method for population self-regeneration; however, the effects of cattle digestive tracts on the viability and germinability of purple prairie clover (Dalea purpurea Vent.), a native North American species, remain understudied. The experiment was conducted at the Agriculture and Agri-Food Canada Swift Current Research and Development Centre in the semiarid prairie of western Canada. Purple prairie clover seeds extracted from cattle dung pats were tested for germination and compared with uningested and scarified seeds from the same paddock.

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11

Mammadyarova, K. A., and A. M. Asgarov. "RESEARCHES OF MICROMORPHOLOGICAL FEATURES OF SEEDS OF TRIFOLIUM L. OF FLORA OF THE SOUTH CAUCASUS (AZERBAIJAN REPUBLIC,TALYSH) ON ELECTRONIC MICROSCOPE (SEM) AND THEIR TAXONOMIC MEANING." Scientific Notes of V.I. Vernadsky Crimean Federal University. Biology. Chemistry 6(72), no. 2 (2020): 138–48. http://dx.doi.org/10.37279/2413-1725-2020-6-2-138-148.

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In monographs on Trifolium L., in «Atlas of seeds and fruits of the Central and East” as well as in articles published in prestigious journals the importance of seed characteristics in the taxonomy of clovers is pointed. Among the signs of seeds, the shape of the surface, the structure, size, and shape of their hilum are recorded. In addition, in many «Flora» and «Determinants» there is no data of the seeds, especially their micromorphological features in the description of the species of clover. Takinginto account the above, we studied the shape and structure of 8 species of clovers under an

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12

Hu, Xiaowen, Lingjie Yang, Zuxin Zhang, and Yanrong Wang. "Differentiation of alfalfa and sweet clover seeds via multispectral imaging." Seed Science and Technology 48, no. 1 (April 30, 2020): 83–99. http://dx.doi.org/10.15258/sst.2020.48.1.11.

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It is hard to remove sweet clover seeds from alfalfa seed lots by conventional methods, affecting the purity of seed lots and resulting losses in for alfalfa hay production as well as seed yield. However, the discrimination of sweet clover seed contaminates in alfalfa seed lots is difficult without special training. In this study, multispectral imaging with object-wise multivariate image analysis was evaluated for its potential to separate sweet clover and alfalfa seeds. Principal component analysis (PCA), linear discrimination analysis (LDA), partial least squares discriminant analysis (PLSDA

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13

Bertoncelli, Douglas Junior, Sergio Miguel Mazaro, Pedro Valerio Dutra de Moraes, Jean Carlo Possenti, Adriano Lewandowski, Nean Locatelli Dalacosta, Guilherme Augusto Cito Alves, Gustavo Henrique Freiria, and Felipe Favoretto Furlan. "Allelopathic Activity of Clover Species on Hairy Beggarticks’s Seeds." OALib 03, no. 07 (2016): 1–12. http://dx.doi.org/10.4236/oalib.1102749.

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14

Zielinska, Magdalena, Piotr Zapotoczny, Ireneusz Białobrzewski, Krystyna Zuk-Golaszewska, and Marek Markowski. "Engineering properties of red clover (Trifolium pratense L.) seeds." Industrial Crops and Products 37, no. 1 (May 2012): 69–75. http://dx.doi.org/10.1016/j.indcrop.2011.12.002.

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15

Lancashire, J. A., M. P. Ralston, and D. J. Scott. "CONTAMINATION OF WHITE CLOVER SEED CROPS BY BURIED SEEDS." NZGA: Research and Practice Series 2 (January 1, 1985): 61–65. http://dx.doi.org/10.33584/rps.2.1985.3303.

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Thirty five certified seed lines of 'Grasslands Pitau' white clover produced under OECD rules showed marked variations in growth and morphological characteristics according to their region of origin. Of lines grown in Oamaru district, South Canterbury, 90% were significantly different from a Pitau breeders (pre-basic) line in winter growth scores, leaf size and picric acid scores. 90% of lines grown in Marlborough were similar to a Pitau breeders line. Buried white clover seed counts were 260/m' (2 kg/ha) in Marlborough and 1060/m (7.5 kg/ha) in Oamaru. Plants grown from buried seed collected

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16

Rehms, Lisa, and Nancy K. Osterbauer. "Detecting Orobanche minor Seeds in Soil Using PCR." Plant Health Progress 4, no. 1 (January 2003): 35. http://dx.doi.org/10.1094/php-2003-0701-01-hn.

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The federally regulated noxious weed small broomrape (Orobanche minor Smith) is a parasite of several plant species including alfalfa (Medicago sativa L.) and red and white clover (Trifolium pratense L. and T. repens L., respectively) (4). Because of its seed size (200 to 300 mm), it is difficult to detect in harvested clover seed and in soil (3). Recently, we reported a polymerase chain reaction (PCR) assay that can detect small broomrape seed in clover seed (2). This paper reports the testing of this assay for its ability to detect small broomrape in soil. Accepted for publication 10 June 20

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17

Taylor, GB. "Effect of tillage practices on the fate of hard seeds of subterranean clover in a ley farming system." Australian Journal of Experimental Agriculture 25, no. 3 (1985): 568. http://dx.doi.org/10.1071/ea9850568.

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In a rotation of 1 year pasture/l year crop, a subterranean clover (Trifolium subterraneum cv. Daliak) pasture was either left untilled or subjected to minimum or conventional tillage. One set of tillage treatments was imposed in each ofthree crop years while another set of treatments was imposed in only the first crop year. Regenerating clover plants were prevented from setting seed. In the first crop, 44% of the clover seeds were buried below 2 cm of soil by minimum tillage; this proportion was 65% in the conventional tillage treatment. In the first pasture regeneration year, seedling densit

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18

Costa, Ana Sofia, Luís Silva Dias, and Alexandra Soveral Dias. "Imbibition, Germination, and Early Seedling Growth Responses of Light Purple and Yellow Seeds of Red Clover to Distilled Water, Sodium Chloride, and Nutrient Solution." Sci 1, no. 1 (February 28, 2019): 10. http://dx.doi.org/10.3390/sci1010010.v1.

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The seeds of red clover are heteromorphic and two color morphs can be visually recognized, light purple and yellow, resulting from heterozygosity and recessive homozygosity at two loci. Here, we report the responses of seed imbibition, seed germination, and early seedling growth of the two morphs to distilled water, sodium chloride, and complete nutrient solution. The sensitivity of red clover seeds to treatments increased with the stage of development in what seems to be a cumulative process. No differences were found in seed imbibition between morphs or between treatments. In seedling growth

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19

Costa, Dias, and Dias. "Imbibition, Germination, and Early Seedling Growth Responses of Light Purple and Yellow Seeds of Red Clover to Distilled Water, Sodium Chloride, and Nutrient Solution." Sci 1, no. 1 (June 21, 2019): 32. http://dx.doi.org/10.3390/sci1010032.

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The seeds of red clover are heteromorphic and two color morphs can be visually recognized, light purple and yellow, resulting from heterozygosity and recessive homozygosity at two loci. Here, we report the responses of seed imbibition, seed germination, and early seedling growth of the two morphs to distilled water, sodium chloride, and complete nutrient solution. The sensitivity of red clover seeds to treatments increased with the stage of development in what seems to be a cumulative process. No differences were found in seed imbibition between morphs or between treatments. In seedling growth

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20

Costa, Ana, Luís Dias, and Alexandra Dias. "Imbibition, Germination, and Early Seedling Growth Responses of Light Purple and Yellow Seeds of Red Clover to Distilled Water, Sodium Chloride, and Nutrient Solution." Sci 1, no. 2 (August 16, 2019): 51. http://dx.doi.org/10.3390/sci1020051.

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The seeds of red clover are heteromorphic and two color morphs can be visually recognized, light purple and yellow, resulting from heterozygosity and recessive homozygosity at two loci. Here, we report the responses of seed imbibition, seed germination, and early seedling growth of the two morphs to distilled water, sodium chloride, and complete nutrient solution. The sensitivityof red clover seeds to treatments increased with the stage of development in what seems to be a cumulative process. No differences were found in seed imbibition between morphs or between treatments. In seedling growth,

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21

Krnjaja, Vesna, Jelena Levic, Mirko Ivanovic, Zorica Tomic, and Slavica Mrfat-Vukelic. "Incidence of fusarium species on red clover seed." Biotehnologija u stocarstvu 20, no. 1-2 (2004): 101–8. http://dx.doi.org/10.2298/bah0402101k.

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Phytopathological investigation of seed of three commercial red clover cultivars - K9, K17 and NS Kolubara, and two pre-treatments of seeds rinsing and surface disinfection of seeds (T1) and surface disinfection of seeds (T2) have determined that frequency of species within the genus Fusarium varied from 0 to 13%. By use of T1 pre-treatment the presence of Fusarium species on the seed was observed in neither of examined cultivars. In this pre-treatment the presence of 1% Penicillium spp. was observed on seed of cultivar K17 only, while the seeds K9 and NS Kolubara were non-infected. By use of

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22

Stanisavljević, Rade, Dobrivoj Poštić, Ratibor Štrbanović, Violeta Oro, Marijenka Tabaković, Snežana Jovanović, and Jasmina Milenković. "Variability and correlative interdependence of red clover and Italian ryegrass seed quality depending on varieties during the multi-year storage period." Journal on Processing and Energy in Agriculture 25, no. 1 (2021): 1–6. http://dx.doi.org/10.5937/jpea25-30969.

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Seed quality is crucial for achieving the desired number of plants in the mixture, as well as the ratio of grass-legume components. Seeds of red clover and Italian ryegrass can be placed on the market with germination of 70 % and more. In this experiment, the seeds of six varieties of red clover and four varieties of Italian lily were examined. Seeds up to four years of age were tested. Seed quality was examined by monitoring the following parameters: germination energy, amount of hard-dormant seed, total germination and amount of abnormal seedlings. The tested varieties of red clover and Ital

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23

Brooks, J. T. "Salmonella Typhimurium Infections Transmitted by Chlorine-pretreated Clover Sprout Seeds." American Journal of Epidemiology 154, no. 11 (December 1, 2001): 1020–28. http://dx.doi.org/10.1093/aje/154.11.1020.

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24

Skalozub, О. M. "Inﬂuence of plant protection methods on weediness and seed yield of meadow clover varieties in Primorskiy region". Bulletin of NSAU (Novosibirsk State Agrarian University), № 2 (13 липня 2021): 73–81. http://dx.doi.org/10.31677/2072-6724-2021-59-2-73-81.

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In the field of fodder production, in most cases, low-yielding, old-age grass stands are used. One of the reasons for this is the low availability of grass seeds. For example, over the past 20 years, the production of grass-clover seeds has reduced by 3.4 times. Therefore, priority should be given to the seed production of leguminous grasses (including meadow clover). A large infestation of the arable soil layer with seeds and buds of annual and perennial weeds in almost all arable land in the Primorskiy Region is the most critical factor in reducing the yield of cultivated crops. The developm

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25

Neetoo, Hudaa, and Haiqiang Chen. "Pre-soaking of seeds enhances pressure inactivation of E. coli O157:H7 and Salmonella spp. on crimson clover, red clover, radish and broccoli seeds." International Journal of Food Microbiology 137, no. 2-3 (February 2010): 274–80. http://dx.doi.org/10.1016/j.ijfoodmicro.2009.11.026.

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26

Шабанова, И. А., and С. А. Бекузарова. "Chemical composition of red clover." Кормопроизводство, no. 10,2020 (December 16, 2020): 44–48. http://dx.doi.org/10.25685/krm.2020.10.69.001.

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Исследование по определению влияния микроэлементов почвы и семян на содержание азота и белка в клевере луговом является актуальным. В статье приводится оценка химического состава семян клевера лугового различных сортов и дикорастущих образцов, выращенных на почвах горной и предгорной зон Республики Северная Осетия-Алания, а также самих почв. Исследования проведены на экспериментальной базе Северо-Кавказского научно-исследовательского института горного и предгорного сельского хозяйства ВНЦ РАН. Показана зависимость урожайности сена клевера лугового от содержания азота, фосфора, калия в его семе

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27

Taylor, GB, and MA Ewing. "Effect of depth of burial on the longevity of hard seeds of subterranean clover and annual medics." Australian Journal of Experimental Agriculture 28, no. 1 (1988): 77. http://dx.doi.org/10.1071/ea9880077.

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Burrs of 3 cultivars of subterranean clover (Trifolium subterraneum) and 1 cultivar each of burr medic (Medicago polymorpha) and barrel medic (M. truncatula), which had experienced 1 summer at the soil surface, were placed on the soil surface and at depths of 2, 6 and 10 cm in the soil. The numbers of residual hard seeds were determined each year for up to 4 years. There was a marked reduction in the rate of seed softening in all 3 clover cultivars with increasing depth of burial. Whereas <20% of the seeds of the hardest seeded clover cultivar, Nungarin, survived 3 years at the soil surface

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28

Njeru, R., D. G. Ferris, R. A. C. Jones, and M. G. K. Jones. "Studies on seed transmission of subterranean clover mottle virus and its detection in clover seed by ELISA and RT-PCR." Australian Journal of Agricultural Research 48, no. 3 (1997): 343. http://dx.doi.org/10.1071/a96075.

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Plants of 5 naturalised annual clover species that occur within subterranean clover (Trifolium subterraneum) pastures were infected with 3 isolates of subterranean clover mottle virus (SCMoV), their seed harvested and sown, and the seedlings tested for SCMoV presence by enzyme-linked immunosorbent assay (ELISA). Seed transmission was detected in 3 species, but always occurred at low levels (0·1–0·5%). With T. cernuum, seed transmission was obtained with 3 isolates, but with T. campestre and T. tomentosum, it was detected only with one. Seed transmission rates in 3 subterranean clover cultivars

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29

Qiu, Amirkhani, Mayton, Chen, and Taylor. "Biostimulant Seed Coating Treatments to Improve Cover Crop Germination and Seedling Growth." Agronomy 10, no. 2 (January 22, 2020): 154. http://dx.doi.org/10.3390/agronomy10020154.

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Biostimulant seed coating formulations were investigated in laboratory experiments for their potential to increase maximum germination, germination rate, germination uniformity, and seedling growth of red clover (Trifolium pratense L.) and perennial ryegrass (Lolium perenne L.) seeds. Red clover and perennial ryegrass seeds were coated with different combinations of soy flour, diatomaceous earth, micronized vermicompost, and concentrated vermicompost extract. Coated and non-coated seeds of red clover and perennial ryegrass were evaluated for germination and growth after 7 and 10 days, respecti

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30

Shikhova, I. V., E. V. Popova, and E. G. Arzamasova. "Assessmentof seed productivity of complex hybrid populations of red clover." Agricultural Science Euro-North-East 22, no. 1 (February 17, 2021): 47–46. http://dx.doi.org/10.30766/2072-9081.2021.22.1.47-56.

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In the conditions of the Kirov region, the productivity of seeds of four complex hybrid populations (SGP) of red clover was studied, including those formed against an infectious fusarium background (SGPF). The research was carried out in the nursery for evaluating the seed productivity of 2017 sowing in comparison with the standard (st.) Dymkovsky for 2 years of use (y.u.). The characteristics of the SGP and SGPF according to winter hardiness, the start of vegetation phases of development, plant height, structure of seedgrass stand, yield and quality of seed material are given. All studied var

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Đokić, Dragoslav, Dragan Terzić, Vera Rajičić, Sanja Živković, Violeta Oro, Jasmina Milenković, and Ranko Koprivica. "The influence of impurities in natural seeds of alfalfa and red clover on the seed cleaning process." Journal on Processing and Energy in Agriculture 25, no. 1 (2021): 32–35. http://dx.doi.org/10.5937/jpea25-30920.

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The paper presents the results of the cleaning process of five different lots of natural alfalfa seeds and five different lots of natural red clover seeds. Natural alfalfa and red clover seeds had 75 % to 77 % purity. The experiment was performed in the seed processing center of the Institute for Forage Crops Kruševac. Seed cleaning is performed on different machines that work on the principle of differences in the physical properties of seeds. Significant parameters that define the quality of seeds after processing on the cleaning equipment are the amount of pure seed, weed seed, the seed of

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32

Fortune, JA, PS Cocks, CK Macfarlane, and FP Smith. "Distribution and abundance of annual legume seeds in the wheatbelt of Western Australia." Australian Journal of Experimental Agriculture 35, no. 2 (1995): 189. http://dx.doi.org/10.1071/ea9950189.

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The size and composition of pasture legume seedbanks were estimated from 2 surveys on a 460-km west-east transect of the wheatbelt of Western Australia. Survey 1 (in spring) sampled naturalised legumes, and survey 2 (in summer) measured the amount and botanical composition of legume seed from selected sites. Seedbanks were examined in greater detail on 2 farms in the higher rainfall part of the wheatbelt. Survey 2 revealed that mean seedbank size of the poorest 40% of sites (those with 5200 kg seed/ha) was 61 kg/ha, and that 72% of seeds were naturalised clovers. In contrast, the best 60% of s

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33

Taylor, GB, and MA Ewing. "Long-term patterns of seed softening in some annual pasture legumes in a low rainfall environment." Australian Journal of Experimental Agriculture 32, no. 3 (1992): 331. http://dx.doi.org/10.1071/ea9920331.

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Annual rates of seed softening were determined from 4 lines of burr medic (Medicago polymorpha), 1 barrel medic (M. truncatula), and 1 subterranean clover (Trifolium subterraneum) grown at Merredin in the 1 year. Measurements were also made on one of the lines of burr medic grown in 2 other environments, Gnowangerup and Eneabba, in the same year. Burrs were placed on the soil surface at Merredin and the numbers of residual hard seeds determined each year for up to 5 years in this one environment. Patterns of softening of seeds from the same seed populations were also determined in a laboratory

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BURKOV, ALEKSANDR I. "DETERMINATION OF THE BASIC DESIGN AND TECHNOLOGICAL PARAMETERS OF THE PNEUMATIC SEPARATING DEVICE OF A CLOVER THRESHER AND SCARIFIER." Agricultural engineering, no. 4 (2021): 9–13. http://dx.doi.org/10.26897/2687-1149-2021-4-9-13.

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The most labor-intensive stages of the post-harvest processing of grass seeds are their extracting and cleaning from impurities. For extracting seeds from the hull of clover and other leguminous and cereal grasses, as well as scarifi cation of solid seeds of leguminous grasses, the clover thresher and scarifi er KS-0.2 has been developed. It lacks a device for cleaning the extracted seeds from impurities, which makes it diffi cult to further clean them at subsequent stages of the processing line. To eliminate this disadvantage, a pneumatic separating device was fi tted for cleaning seeds from

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35

ĆWINTAL, MAREK, and SYLWESTER GOLIASZ. "Influence of microelements and attractants on the elements of yield structure and yield of white clover (Trifolium repens L.) seeds." Agronomy Science 73, no. 3 (November 29, 2018): 15–27. http://dx.doi.org/10.24326/asx.2018.3.2.

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A field experiment with the cultivation of white clover for seeds (Barda cv.) was carried out in 2009–2012, in the Experimental Farm in Parczew (22°53'60"E, 51°37'59"N), on typical brown soil (bonitation class IVb), by the split-plot method, in four replicates. The studies included: foliar fertilization with microelements (B + Mo) and attractant – Pollinus. The number of heads per 1 m2, number of pods and seeds in the head as well as the seed yield were determined. Weather conditions had the decisive influence on the yield of seeds and main elements of its structure. The highest seed yield (30

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36

Sethi, Renu, and Navjyot Kaur. "Germination ecology of heteromorphic seeds of bur clover (Medicago denticulata willd.)." INDIAN JOURNAL OF WEED SCIENCE 53, no. 1 (2021): 59–66. http://dx.doi.org/10.5958/0974-8164.2021.00008.3.

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37

Liebman, Matt, and David N. Sundberg. "Seed mass affects the susceptibility of weed and crop species to phytotoxins extracted from red clover shoots." Weed Science 54, no. 02 (April 2006): 340–45. http://dx.doi.org/10.1614/ws-05-54.2.340a.

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Residues of legume crops used to increase soil fertility may also serve as sources of phytotoxins that can suppress the germination and early growth of weed and crop species. To test the hypothesis that weed and crop susceptibility to extracts of red clover shoots would be inversely proportional to seed mass, we (1) identified 18 weeds and 44 crops whose 100-seed masses ranged from 20 to 26,250 mg; (2) exposed their seeds in petri dishes and filter paper to a 2% aqueous extract of ‘Marathon’ red clover shoots or distilled water; and (3) measured germination percentage and radicle length of ger

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38

Shmatkova, Alina. "STUDY AND ESTIMATION OF COLLECTION VARIETY-SAMPLES WHITE CLOVER." Adaptive Fodder Production 2020, no. 1 (April 17, 2020): 15–22. http://dx.doi.org/10.33814/afp-2222-5366-2020-1-15-22.

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New collection varieties of creeping clover (Trifolium repens L.) from the VIR collection of the 1970s were studied. Samples were evaluated according to the main morphological and biological characteristics, seed productivity and chemical indicators. After 50 years of storage under natural conditions, the samples had up to 71% of germinating seeds (31% of germinated + 40% of hard seeds). As a result of the study of collection variety samples, valuable sources for selection were identified, which allowed the best genotypes to be included in hybridization for the construction of hybrids with hig

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39

Nori, H., D. P. Monks, and D. J. Moot. "Seed development of arrowleaf, balansa, gland and Persian clover." Journal of New Zealand Grasslands 77 (January 1, 2015): 195–202. http://dx.doi.org/10.33584/jnzg.2015.77.457.

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The development process from floral bud formation to seed maturity of four top flowering annual clovers was quantified from a field experiment across 10 sowing dates at Lincoln University, Canterbury, New Zealand. For each species, a numeric reproductive scale was created as a field guide to document morphological changes as the bud progresses through reproductive development. The duration from bud visible to open flower was 341 °C days for 'Cefalu' arrowleaf, 215 °C days for 'Bolta' balansa, 196 °C days for 'Prima' gland and 186 °C days for 'Mihi' Persian clover. The inflorescence then requir

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40

Grauda, Dace, Lita Lapiņa, Biruta Jansone, Aldis Jansons, and Isaak Rashal. "Recovering Genetic Resources of Some Legume Species of Latvian Origin by Plant Tissue Culture." Proceedings of the Latvian Academy of Sciences. Section B. Natural, Exact, and Applied Sciences 67, no. 3 (October 1, 2013): 224–28. http://dx.doi.org/10.2478/prolas-2013-0039.

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Accessions with no germinating seeds are a common problem in plant gene banks and research institutions. Our goal was to elaborate and apply an in vitro method of germination and multiplication of old aged seeds of red and alsike clover and alfalfa. Eighteen clover and five alfalfa accessions were used for germination in vitro. Most of the accessions had produced seeds more than 20 years ago and the seeds did not germinate in soil. Seed pre-treatment with different concentrations of potassium permanganate, as well as addition of phytohormones, AgNO3 and activated carbon to germinating media we

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41

Polyudina, R. I. "New cultivar of red clover Prima." Siberian Herald of Agricultural Science 49, no. 3 (July 23, 2019): 41–46. http://dx.doi.org/10.26898/0370-8799-2019-3-5.

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The results of breeding work on creation of the new cultivar of red clover are presented. The hybrid population (15-10-D (2n)) was created by the method of crossbreeding and selection in the conditions of artiﬁ cial climate. Selection of winterhardy high-yielding forms of this hybrid population was conducted in the forest-steppe zone of West Siberia. The population 15-10-D (2n) was tested in three cycles of competitive variety trial (crops of 2006, 2008 and 2010) and was submitted to the State variety testing under the name Prima. According to the results of the competitive variety trial durin

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42

WILMAN, D., F. OLMOS, and R. S. HAMILTON. "The potential of seed-shedding and seedling development to contribute to the persistence of white clover (Trifolium repens) in grazed swards in Uruguay." Journal of Agricultural Science 143, no. 6 (October 10, 2005): 493–501. http://dx.doi.org/10.1017/s0021859605005654.

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The present study was conducted to investigate whether white clover (Trifolium repens L.) in grazed swards in Uruguay can produce and shed sufficient seed, and whether sufficient seedlings can develop and survive, to make an important contribution to the long-term persistence of the species. Five sites, on which survival of white clover had been better than is usual in Uruguay, were studied in 1995–97. The sites had been sown with white clover 11–15 years previously and were managed mainly by cattle grazing. The number of white clover inflorescences/m2 was at least 18 at nearly half the counts

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43

Petrauskas, Giedrius, Eglė Norkevičienė, Vaclovas Stukonis, and Vilma Kemešytė. "Phenotypic traits for wild red clover seed yield under drought conditions." Czech Journal of Genetics and Plant Breeding 56, No. 4 (October 19, 2020): 140–49. http://dx.doi.org/10.17221/111/2019-cjgpb.

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Changes in the gene pool and homogeneity of red clover cultivars occur over time. Therefore, it is necessary to constantly renew the breeding material and foundation seed. Moreover, the market also prescribes a new demand. Based on the Natura 2000 habitats profile, we collected seeds from 39 locations across Lithuania in 2016. The phenotypic traits that affect the seed yield of red clover were analysed in 2018. The homogeneity of the populations with reference to the seed yield and 1 000 seed weight (TSW) were determined as well. Also, the possibility of obtaining two seed yields per season un

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44

A. B. Ospanov,, B. O. Kulzhanova,, and Sh. D. Tolybayev. "RESEARCH OF DESIGN AND TECHNOLOGICAL PARAMETERS OF CLEANING CLOVER SEEDS BY COLOR SORTING." Bulletin of the National Engineering Academy of the Republic of Kazakhstan 3, no. 77 (October 15, 2020): 197–202. http://dx.doi.org/10.47533/2020.1606-146x.26.

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The article presents the results of study to establish the design and technological parameters of an experimental sample of the color sorter, carried out within the framework of the grant project of the Ministry of Education and Science of the Republic of Kazakhstan AP05130398. The regularities of the technological process of color sorting - cleaning of clover seeds from seeds of quarantine and hardseparable impurities and rational regimes providing high efficiency of processing of clover seed material - have been established. A constructive feature of the tray feeding the seed mixture is prop

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45

Kasatkina, Nadezhda, and Ildus Fatykhov. "Method and term for harvesting perennial legume herbs for seeds." Agrarian Bulletin of the 192, no. 1 (January 16, 2020): 2–9. http://dx.doi.org/10.32417/1997-4868-2020-192-1-2-9.

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Abstract. The purpose of the research is to study the influence of the method and term of harvesting on seed yield, yield structure, sowing qualities of seeds in the harvest of Eastern galega Gale and meadow tetraploid clover Kudesnik. Research methods. The field experimentation and the generalization of research results were performed in accordance with the requirements of methodology of experimental work. The analysis of sowing qualities of the obtained seed material was carried out in accordance with GOST 12038-84 and GOST 12042-80. Results. It was established that in dry weather during har

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46

Martens, Helle, Henrik B. Jakobsen, and Ole B. Lyshede. "Development of the strophiole in seeds of white clover (Trifolium repens L.)." Seed Science Research 5, no. 3 (September 1995): 171–76. http://dx.doi.org/10.1017/s0960258500002798.

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AbstractThe seed coat of Trifolium repens L. was studied with special emphasis on the development of the strophiole, which is the site for water entry during imbibition in leguminous seeds. The epidermal cells of the strophiole are longer than the cells in the remainder of the seed epidermis in the mature ovule. During seed development the median cells of the strophiolar epidermis divide periclinally into an outer layer of palisade cells and an inner layer of isodiametric cells. Prior to maturity a fissure is formed between some of the palisade cells in the centre of the strophiole. It is sugg

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47

D'hondt, Bram, Rein Brys, and Maurice Hoffmann. "The incidence, field performance and heritability of non-dormant seeds in white clover (Trifolium repens L.)." Seed Science Research 20, no. 3 (June 2, 2010): 169–77. http://dx.doi.org/10.1017/s0960258510000152.

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AbstractMature seeds of many legume species are normally characterized by water-impermeable seed coats, a form of physical dormancy. However, observations have suggested that the incidence of mature but permeable (non-dormant) seeds is sometimes substantial. Yet, the ecological processes associated with this non-dormancy have received little attention by plant ecologists. In white clover (Trifolium repens), we therefore studied: (1) the occurrence of initially permeable seeds in wild populations; (2) the relative performance of non-dormant and dormant seeds in plant establishment and reproduct

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48

Bogolyubova, E. V., and N. M. Konyaeva. "SEED QUALITY OF PREMIER CULTIVAR OF HUNGARIAN CLOVER IN THE CONDITIONS OF WESTERN SIBERIA." Siberian Herald of Agricultural Science 48, no. 3 (July 25, 2018): 34–42. http://dx.doi.org/10.26898/0370-8799-2018-3-5.

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The work presents the results of comparative study of the new fodder crop Premier cultivar of Hungarian clover Trifolium pannonicum Jacq., its seed quality and contamination with fungal infection, given that it is grown in different weather conditions, and harvested and stored by different methods. The research was carried out in two agroclimatic subzones of the forest-steppe zone of Novosibirsk region: moderately warm humid (GTK 1.2-1.4) and moderately warm insuffi ciently humid (GTK 1.0-1.2). In both subzones the mass of 1000 seeds in mid-humid and humid seasons varied from 4.0 to 4.6 g, and

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49

WERBY, R. A. "PERFORMANCE CLEANING UNIT FOR CLOVER SEEDS AFFECTING SOME PHYSICAL AND MECHANICAL PROPERTIES." Misr Journal of Agricultural Engineering 27, no. 1 (January 1, 2010): 266–83. http://dx.doi.org/10.21608/mjae.2010.107164.

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50

Werby, R. A. A. "PERFORMANCE CLEANING UNIT FOR CLOVER SEEDS AFFECTING SOME PHYSICAL AND MECHANICAL PROPERTIES." Journal of Soil Sciences and Agricultural Engineering 4, no. 1 (January 1, 2013): 1–13. http://dx.doi.org/10.21608/jssae.2013.50543.

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