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Articles de revues sur le sujet « Seed Alfalfa »

Auteur : Grafiati

Publié le 7 juin 2025

Mis à jour le 2 août 2025

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1

CHARKOWSKI, AMY O., CHESTER Z. SARREAL, and ROBERT E. MANDRELL. "Wrinkled Alfalfa Seeds Harbor More Aerobic Bacteria and Are More Difficult To Sanitize than Smooth Seeds." Journal of Food Protection 64, no. 9 (2001): 1292–98. http://dx.doi.org/10.4315/0362-028x-64.9.1292.

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At least 14 separate outbreaks of food poisoning attributed to either Salmonella enterica or Escherichia coli O157:H7 have been traced to sprouts in the past decade. Seeds contaminated with human pathogens caused most of these outbreaks, thus many sprout growers are now treating alfalfa seeds with the sanitizing agent, calcium hypochlorite (Ca[OCl]2), prior to sprouting. The efficacy of alfalfa seed sanitation varies between seed lots and between seeds within each lot. Alfalfa seeds from different seed lots were sorted by type in an effort to determine if certain seed types carry more aerobic

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Zhang, Xue Kun, and Chun Hua Zhao. "Experimental Research on Cracking Resistance of Alfalfa Seed." Applied Mechanics and Materials 488-489 (January 2014): 1165–68. http://dx.doi.org/10.4028/www.scientific.net/amm.488-489.1165.

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The compression properties of three varieties of alfalfa seeds, such as Medicago sativa L. cv. Gannong No.3, Medicago sativa L. Longdong and Medicago sativa L. cv. Golden Empress, are studied by extrusion experiments using SANS universal material testing machine. The results of Longdong alfalfa seed show that the fracture load has relation with shape and size of the alfalfa seeds. For both of ellipsoidal seed and arched seed, the fracture load of single seed is about 19N to 30N. The fracture load increases linearly with the thickness of plump seed with the ratio of thickness to width greater t

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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 (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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Moyer, J. R., S. N. Acharya, J. Fraser, K. W. Richards, and N. Foroud. "Desiccation of alfalfa for seed production with diquat and glufosinate." Canadian Journal of Plant Science 76, no. 3 (1996): 435–39. http://dx.doi.org/10.4141/cjps96-077.

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Recommendations for desiccation of alfalfa do not clearly define the stage at which desiccants should be applied. To obtain this information, diquat and glufosinate were applied to alfalfa (Medicago sativa L) from 1991 to 1994 at various stages of maturity to determine the effect of desiccant and stage of maturity at desiccation on seed yield 1000-seed weight and seed germinability. Alfalfa seed yields, 1000-seed weights, percent germination and percent viable seed were similar after desiccation with diquat and glufosinate. Desiccation when 60–75% of the alfalfa seed pods were brown permitted

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Aloo, Simon-Okomo, Fred-Kwame Ofosu, and Deog-Hwan Oh. "Effect of Germination on Alfalfa and Buckwheat: Phytochemical Profiling by UHPLC-ESI-QTOF-MS/MS, Bioactive Compounds, and In-Vitro Studies of Their Diabetes and Obesity-Related Functions." Antioxidants 10, no. 10 (2021): 1613. http://dx.doi.org/10.3390/antiox10101613.

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Germination can be used to enhance nutritional value and health functions of edible seeds. Sprouts are considered healthier than raw seeds because they are richer in the basic nutritional components (carbohydrates, protein, vitamins, and minerals) and also contain more bioactive components responsible for various biological activities. The effect of sprouting on the antioxidant, antidiabetic, antiobesity activities, and metabolite profiles of alfalfa and buckwheat seeds was investigated in this study. DPPH radical scavenging activity was highest in buckwheat sprouts followed by alfalfa sprout,

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Hui, Yunting, Yangyang Liao, Sibiao Li, Changyong Shao, Decheng Wang, and Yong You. "Design of Non-Thermal Plasma Alfalfa Seed Vigor Enhancement Device and Study of Treatment Effect." Journal of the ASABE 66, no. 3 (2023): 657–65. http://dx.doi.org/10.13031/ja.15309.

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Highlights An effective seed treatment method is provided. Three generations of field growth trials were conducted. We Investigated the effects of low-temperature plasma treatment on the biological characters and yield components. Abstract. An atmospheric pressure, low-temperature dielectric barrier discharge (DBD) plasma seed treatment device was developed for plasma seed treatment. The device worked continuously on alfalfa seeds and evenly distributed the seeds in a plasma discharge range. The processing time, voltage amplitude, and frequency were adjustable. The device was used to study the

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Đokić, Dragoslav, Dragan Terzić, Vera Rajičić, et al. "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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Soroka, Juliana J., and Dorothy C. Murrell. "THE EFFECTS OF ALFALFA PLANT BUG (HEMIPTERA: MIRIDAE) FEEDING LATE IN THE SEASON ON ALFALFA SEED YIELD IN NORTHERN SASKATCHEWAN." Canadian Entomologist 125, no. 5 (1993): 815–24. http://dx.doi.org/10.4039/ent125815-5.

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AbstractA 4-year field cage study was conducted to determine what effects feeding of alfalfa plant bug, Adelphocoris lineolatus (Goeze), late in the season had on alfalfa seed yields. When zero, one, two, or four alfalfa plant bugs were placed in sleeve cages containing stems of alfalfa at the green pod stage of growth, there was a significant decrease in the number of pods per cage and per raceme, the number of healthy seeds, and the weight of seeds with two or four bugs per cage. Increasing the duration of infestation resulted in significant increases in the number of damaged seeds per cage.

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Kesoju, Sandya R., Rick A. Boydston, and Stephanie L. Greene. "Effect of Synthetic Auxin Herbicides on Seed Development and Viability in Genetically Engineered Glyphosate-Resistant Alfalfa." Weed Technology 30, no. 4 (2016): 860–68. http://dx.doi.org/10.1614/wt-d-16-00045.1.

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Feral populations of cultivated crops have the potential to function as bridges and reservoirs that contribute to the unwanted movement of novel genetically engineered (GE) traits. Recognizing that feral alfalfa has the potential to lower genetic purity in alfalfa seed production fields when it is growing in the vicinity of foraging pollinators in alfalfa seed fields, industry has established production standards to control feral plants. However, with the commercialization of GE glyphosate-resistant (GR) alfalfa and the need to support the coexistence of both GE and conventional production, ef

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Đokić, Dragoslav, Dragan Terzić, Jasmina Knežević, et al. "Influence of the Presence of Weeds and Other Impurities in Natural Alfalfa Seed on Finishing Machines Work and Seed Quality During Three Years." Romanian Agricultural Research 40 (2023): 261–72. http://dx.doi.org/10.59665/rar4025.

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The paper presents the results of three - year tests (I, II, III) of finishing alfalfa seed of three different purities. Natural alfalfa seeds were classified into three groups: 1) without the presence of quarantine weeds; 2) with the presence of quarantine weeds of Cuscuta spp. and Rumex spp., but in smaller quantities; 3) in which there were also quarantine weeds in larger quantities. The alfalfa seeds were cleaned on a selector with sieves and on a magnetic separator manufactured by Emceka-Gompper. Depending on the purity of natural alfalfa seed, the finishing process had to take place in o

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Wurentuya and Lingling Chen. "The Effect of Foliar Boron Application on Seed Production of Alfalfa (Medicago sativa L.)." Biosis:Biological Systems 1, no. 2 (2020): 60–64. http://dx.doi.org/10.37819/biosis.001.02.0056.

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Boron (B) is an essential micronutrient for plant reproductive growth and seed setting. A better understanding of the reasonable application rate of B could provide guidelines for improving seed yield and quality. In this study, we used five B concentrations (0, 400, 800, 1200, and 1600 mg B L-1) to study the effect of foliar application of B on seed yield and quality of alfalfa (Medicago sativa L.) in northern China. Our results indicated that foliar B application increased the pollen number, pollen viability, and dry weight and B concentration of alfalfa reproductive organs. The effect of B

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May, W. E., H. A. Loeppky, D. C. Murrell, C. D. Myhre, and J. J. Soroka. "Preharvest glyphosate in alfalfa for seed production: Effect on alfalfa seed yield and quality." Canadian Journal of Plant Science 83, no. 1 (2003): 189–97. http://dx.doi.org/10.4141/p01-196.

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Preharvest applications of glyphosate have been shown to be effective in controlling Canada thistle in annual crops, but may reduce alfalfa seed yield depending on time and rate of application. The objective of this study was to determine the effect of preharvest applications of glyphosate on subsequent alfalfa seed yield and quality. The effects of timing, 1, 26, 51 and 76% alfalfa seed pod maturity, and rate, 0, 440, 880, 1320, and 1760 g a.i. ha-1, of a preharvest application of glyphosate on alfalfa seed yield and quality in the year of application, and regrowth and seed yield in the follo

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Yang, Lingjie, Zuxin Zhang, and Xiaowen Hu. "Cultivar Discrimination of Single Alfalfa (Medicago sativa L.) Seed via Multispectral Imaging Combined with Multivariate Analysis." Sensors 20, no. 22 (2020): 6575. http://dx.doi.org/10.3390/s20226575.

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Rapid and accurate discrimination of alfalfa cultivars is crucial for producers, consumers, and market regulators. However, the conventional routine of alfalfa cultivars discrimination is time-consuming and labor-intensive. In this study, the potential of a new method was evaluated that used multispectral imaging combined with object-wise multivariate image analysis to distinguish alfalfa cultivars with a single seed. Three multivariate analysis methods including principal component analysis (PCA), linear discrimination analysis (LDA), and support vector machines (SVM) were applied to distingu

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Acharya, S. N., D. G. Stout, B. Brooke, and D. Thompson. "Cultivar and storage effects on germination and hard seed content of alfalfa." Canadian Journal of Plant Science 79, no. 2 (1999): 201–8. http://dx.doi.org/10.4141/p98-043.

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The impermeable coat of alfalfa (Medicago sativa L.) seed can reduce germination to an extent unacceptable for commercial use. The usual method of increasing germination of lots with high proportion of impermeable or hard seeds, mechanical scarification, can damage seeds. Experiments were conducted to determine the effect of cultivar, year of production and storage conditions on germination and hard seed content in alfalfa. Experiments with four Canadian cultivars indicated a significant effect of cultivar on seed weight, germination and hard seed content in freshly harvested seed. Year of pro

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Emmert, Elizabeth A. B., Jocelyn L. Milner, Julie C. Lee, et al. "Effect of Canavanine from Alfalfa Seeds on the Population Biology of Bacillus cereus." Applied and Environmental Microbiology 64, no. 12 (1998): 4683–88. http://dx.doi.org/10.1128/aem.64.12.4683-4688.1998.

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ABSTRACT Bacillus cereus UW85 suppresses diseases of alfalfa seedlings, although alfalfa seed exudate inhibits the growth of UW85 in culture (J. L. Milner, S. J. Raffel, B. J. Lethbridge, and J. Handelsman, Appl. Microbiol. Biotechnol. 43:685–691, 1995). In this study, we determined the chemical basis for and biological role of the inhibitory activity. All of the alfalfa germ plasm tested included seeds that released inhibitory material. We purified the inhibitory material from one alfalfa cultivar and identified it as canavanine, which was present in the cultivar Iroquois seed exudate at a co

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Holc, Matej, Peter Gselman, Gregor Primc, Alenka Vesel, Miran Mozetič, and Nina Recek. "Wettability and Water Uptake Improvement in Plasma-Treated Alfalfa Seeds." Agriculture 12, no. 1 (2022): 96. http://dx.doi.org/10.3390/agriculture12010096.

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The cultivation of alfalfa (Medicago sativa L.), a forage crop grown worldwide, is negatively affected by hard seed presence. We show that treatment of alfalfa seeds with an inductively coupled radio frequency oxygen plasma improves their surface hydrophilicity, as determined by water contact angle (WCA) measurements and water uptake. Furthermore, we see that these effects are mediated by functionalization and etching of the alfalfa seed surface. Surface chemistry is analyzed by X-ray photoelectron spectroscopy (XPS), while morphology is viewed using scanning electron microscopy (SEM). Plasma

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THAYER, DONALD W., KATHLEEN T. RAJKOWSKI, GLENN BOYD, PETER H. COOKE, and DOUGLAS S. SOROKA. "Inactivation of Escherichia coli O157:H7 and Salmonella by Gamma Irradiation of Alfalfa Seed Intended for Production of Food Sprouts†." Journal of Food Protection 66, no. 2 (2003): 175–81. http://dx.doi.org/10.4315/0362-028x-66.2.175.

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Inonizing irradiation was determined to be a suitable method for the inactivation of Salmonella and Escherichia coli O157:H7 on alfalfa seed to be used in the production of food sprouts. The radiation D (dose resulting in a 90% reduction of viable CFU) values for the inactivation of Salmonella and E. coli O157:H7 on alfalfa seeds were higher than the D-values for their inactivation on meat or poultry. The average D-value for the inactivation of Salmonella on alfalfa seeds was 0.97 ± 0.03 kGy; the D-values for cocktails of meat isolates and for vegetable-associated isolates were not significant

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Popov, Nikolay, Roman Druzhinin, and Mikhail Yarovoy. "Harvesting chaff for feed when harvesting alfalfa seeds." АгроЭкоИнфо 1, no. 67 (2025): 25. https://doi.org/10.51419/202151125.

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Improving the country's food security is not possible without increasing the volume of livestock production. Through a comprehensive analysis, theoretical studies show that the legume feed industry is facing a seed shortage problem. In particular, the process of producing alfalfa seeds is complex and metal-intensive, and also requires significant costs for organizing the technological process. The basic principles of reducing seed loss during alfalfa harvesting, the nutritional value of alfalfa chaff, and the composition of a heap of chaff are considered. Key words: ALLFALFA, SEED LOSS, CHOW,

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May, W. E., C. D. Myhre, H. A. Loeppky, D. C. Murrell, and J. J. Soroka. "Preharvest glyphosate in alfalfa for seed production: Control of Canada thistle." Canadian Journal of Plant Science 83, no. 1 (2003): 199–204. http://dx.doi.org/10.4141/p01-197.

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Canada thistle [Cirsium arvense (L.) Scop.] is increasing in both frequency and density in Saskatchewan alfalfa (Medicago sativa L.) seed fields. Application of preharvest glyphosate is an effective means of controlling Canada thistle in annual crops. This study was conducted to determine the effects of preharvest glyphosate on Canada thistle control and crop tolerance in alfalfa seed fields. Five field experiments were conducted in northeast Saskatchewan between 1995 and 1997 in which preharvest glyphosate was applied at 0, 220, 440, 660, 880, and 1760 g a.i. ha-1 when 60–70% of alfalfa seed

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Fairey, D. T., and L. P. Lefkovitch. "Hard-seed content of alfalfa grown in Canada." Canadian Journal of Plant Science 71, no. 2 (1991): 437–44. http://dx.doi.org/10.4141/cjps91-060.

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The hard-seed content of alfalfa (Medicago spp.) grown in Canada in relation to genotype and geographic location of production was surveyed for the commercial growing regions in Manitoba, Saskatchewan, Alberta and British Columbia. The average hard-seed content of all pedigreed production over a 5-yr period, ranged from 22 to 37% and that in nonpedigreed production was between 14 and 30%. A database of the five widely grown cultivars revealed that the hard-seed content of alfalfa in the most northerly growing areas in the Peace River region of Alberta and British Columbia ranged from 31 to 51%

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Soroka, Juliana J., and D. T. Spurr. "GEOGRAPHIC INCIDENCE AND DAMAGE LEVELS OF ALFALFA SEED CHALCID, BRUCHOPHAGUS RODDI (HYMENOPTERA: EURYTOMIDAE), IN SASKATCHEWAN, AND ITS RELATIONSHIP TO WEATHER AND AGRONOMIC VARIABLES AND PRODUCTION PRACTICES." Canadian Entomologist 130, no. 1 (1998): 1–11. http://dx.doi.org/10.4039/ent1301-1.

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AbstractA 5-year survey of Saskatchewan alfalfa (Medicago sativa L. sensu lato) seed fields was undertaken to determine the level of infestation by the alfalfa seed chalcid, Bruchophagus roddi (Gussakovsky). Seed samples were taken from commercial seed fields, hay fields, and roadsides just before pod maturity. From sample lots of 250 pods, the numbers of healthy, chalcid-damaged, and frozen or immature seed were determined. Later, producers were questioned about the attributes of and management practices employed in their fields. Seed yields and infestation levels were correlated with tempera

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Zamora, David L., and James P. Olivarez. "The Viability of Seeds in Feed Pellets." Weed Technology 8, no. 1 (1994): 148–53. http://dx.doi.org/10.1017/s0890037x0003935x.

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Seed response to grinding in a hammer mill or extrusion through a pellet die was determined. Less than 1% of spotted knapweed, sulfur cinquefoil, timothy, and alfalfa seeds were intact after grinding to pass through a 1-mm screen. Intact seeds of all tested species except sulfur cinquefoil were able to germinate after grinding. Extruding unground alfalfa seed through a die to make hay pellets decreased viability 60 to 63%. After grinding and extrusion through a grain pellet die, 53% of intact alfalfa seeds in the pellets were viable. These data demonstrate that feed pellets can contain viable

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Katepa-Mupondwa, F. M., S. R. Smith Jr., and D. K. Barnes. "Influence of parent and temperature during pollination on alfalfa seed weight and number of seeds per pod." Canadian Journal of Plant Science 76, no. 2 (1996): 259–62. http://dx.doi.org/10.4141/cjps96-046.

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Alfalfa seed weight and number of seeds per pod are important characteristics which have been associated with seed yield and seed quality. The objective of this research was to investigate the relative influence of seed and pollen parents and temperature during pollination on individual seed weight and number of seeds per pod. The relative influence of seed position in the pod on seed weight was also investigated. Twelve diverse clones were designated as seed (4) and pollen (8) parents. They were grown in the greenhouse at 24/18 day/night temperature and then transferred to growth chambers whi

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Howard, Michael B., and Steven W. Hutcheson. "Growth Dynamics of Salmonella enterica Strains on Alfalfa Sprouts and in Waste Seed Irrigation Water." Applied and Environmental Microbiology 69, no. 1 (2003): 548–53. http://dx.doi.org/10.1128/aem.69.1.548-553.2003.

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ABSTRACT Alfalfa sprouts and other seed sprouts have been implicated in numerous outbreaks of salmonellosis. The source of these epidemics appears to have been low-level contamination of seeds by Salmonella bacteria that developed into clinically significant populations during the seed germination process. To test the possibility that Salmonella enterica strains carry host range determinants that allow them to grow on alfalfa, strains isolated from alfalfa or other sources were surveyed for their ability to grow on germinating alfalfa seeds. An S. enterica serovar Cubana strain originally isol

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Wang, Shu Yang, Li Yan, Xiang Yang Zhang, et al. "The Research on Growthtraits of Alfalfa Irradiated by ¹²C^{6 +} Ion Beam." Advanced Materials Research 524-527 (May 2012): 2156–59. http://dx.doi.org/10.4028/www.scientific.net/amr.524-527.2156.

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This study uses" HIFRL" type in the intermediate energy heavy ion accelerator (Institute of modern physics of Chinese Academy of Sciences provides) 12C6+ ion beam through mutagenesis. Three alfalfa seeds are irradiated by dose of 0Gy, 200Gy, 400Gy, 800Gy and 1200Gy. The germination experiment of alfalfa seed has been done in the laboratory. And in the field, The germination rate , plant height and branch number of planting experiment in the field have been preliminarily observed. The results show that three kinds of alfalfa seeds irradiated at 200Gy not only improve the germination rate, but a

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Ахметзянова and Railya Akhmetzyanova. "METHOD OF INCREASING THE PRODUCTIVITY OF ALFALFA SEED." Vestnik of Kazan State Agrarian University 11, no. 3 (2016): 5–8. http://dx.doi.org/10.12737/22667.

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Alfalfa seed production depends on pollination of flowers and the level of large number of full seeds formation in the pollination of flowers per 1 bean, as well as the weight of 1000 seeds. Field studies were carried out in LLC “Urta Saba” of Sabinsky municipal district of the Republic of Tatarstan in 2014-2016. The soil is gray forest of heavy-loamed and granulometric distribution. Agrochemical indicators of soil are typical. The common method of field research with forage crops was used. During the experiments the weather conditions were madi-favourable for alfalfa seeds. The total area of

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Nabiyeva, P. "Effect of the Sowing Method and Mineral Fertilizers on the Indicators of the Crop Yield Structure of Seed Alfalfa in the Ganja-Gazakh Zone of Azerbaijan." Bulletin of Science and Practice 7, no. 7 (2021): 73–78. http://dx.doi.org/10.33619/2414-2948/68/10.

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The article presents the results of research on the influence of the method of sowing and mineral fertilizers on the indicators of the structure of the yield of seed alfalfa in the Ganja-Gazakh zone of Azerbaijan. It has been established that the method of sowing and mineral fertilization has a positive effect on the indicators of the structure of the yield of seed alfalfa. For each method of sowing and mineral fertilization, alfalfa seeds had a positive effect on the indicators of the yield structure. To obtain irrigated gray-brown soils of high and stable yields of alfalfa seeds, it is neces

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Tarabrin, Dmitry, Evgeny Shebalin, and Vyacheslav Gulevsky. "DEVELOPMENT OF A TECHNOLOGICAL SCHEME AND JUSTIFICATION OF ALFALFA SEED CLEANING PARAMETERS." SCIENCE IN THE CENTRAL RUSSIA, no. 5 (October 31, 2024): 17–25. http://dx.doi.org/10.35887/2305-2538-2024-5-17-25.

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Despite the high effectiveness of chemical preparations against weeds, this fight begins with the preparation of seed material on seed cleaning lines. An urgent problem in cleaning crop seeds is the isolation of dodder seeds in the preparation of alfalfa seeds. Alfalfa cleaning is a time-consuming process in itself, due to the complex structure of the combine heap. In this regard, it is important to develop a technological scheme for cleaning the alfalfa heap, which will allow you to effectively separate dodder seeds on a par with other impurities. When developing the technological scheme for

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Wang, Xuemeng, Han Zhang, Rui Song, Xin He, Peisheng Mao, and Shangang Jia. "Non-Destructive Identification of Naturally Aged Alfalfa Seeds via Multispectral Imaging Analysis." Sensors 21, no. 17 (2021): 5804. http://dx.doi.org/10.3390/s21175804.

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Seed aging detection and viable seed prediction are of great significance in alfalfa seed production, but traditional methods are disposable and destructive. Therefore, the establishment of a rapid and non-destructive seed screening method is necessary in seed industry and research. In this study, we used multispectral imaging technology to collect morphological features and spectral traits of aging alfalfa seeds with different storage years. Then, we employed five multivariate analysis methods, i.e., principal component analysis (PCA), linear discrimination analysis (LDA), support vector mach

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RAJKOWSKI, KATHLEEN T. "Simplified Qualitative Method for Canavanine in Seeds and Sprouts†." Journal of Food Protection 67, no. 1 (2004): 212–14. http://dx.doi.org/10.4315/0362-028x-67.1.212.

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The major stored nitrogen compound in alfalfa seeds is canavanine. To identify this nonprotein amino acid from seed extract and sprout water, a qualitative micro–thin-layer chromatography method was developed. Successful separation and identification was achieved using microsilica plates, a 70:30 ethyl alcohol–water solvent system, and 1% ammonium disodium pentacyanoammineferrate II for color development. This quick method was used to identify canavanine (sensitivity 50 μg) from irradiated and nonirradiated alfalfa and clover seed extracts and alfalfa sprout water. Broccoli and radish seed ext

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Gushchina, Vera Alexandrovna, Oleg Alekseevich Timoshkin, Galina Nikolaevna Volodkina, and Fedor Petrovich Chetverikov. "Seed productivity of variegated alfalfa at different growing methods." Agrarian Scientific Journal, no. 9 (September 28, 2021): 23–26. http://dx.doi.org/10.28983/asj.y2021i9pp23-26.

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The widespread introduction of variegated alfalfa into production is hindered by a shortage of seeds and difficulties in cultivating it in the year of sowing. The study of the influence of cover crops on the seed productivity of variegated alfalfa of the Darya variety was carried out in 2018-2020, characterized by various weather conditions, in the experimental field of the separate division "Penza Research Institute" of the Federal Research Center for Bast Crops. When studying the formation of the elements of the crop structure, it was found out that the largest seed mass was obtained on non-

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Noskova, O. "Agroecological characteristics of Lucerne cultivation in the conditions of Steppe zone." Agroecological journal, no. 2 (May 21, 2015): 74–78. http://dx.doi.org/10.33730/2077-4893.2.2015.271490.

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This article is devoted to the impact of wide-seeding methods of sowing with minimum norm of alfalfa varieties «Nadiya» seeding on the formation of high-quality vegetation. Level of pollination and seed performance are determined in the conditions of the steppe zone of Ukraine. Experimental studies show that in order to create qualitative and sparse grass during the formation of seed sowing alfalfa crop is necessary to lay sowing with wide rows 140 cm with a minimum rate of 0.25 million units/ha of certified seeds. It is also set that the wide-row sowing 140 cm and 210 cm influences positively

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Kenebayev, A. T., S. T. Yerzhanova, M. A. Yesimbekova, S. S. Abayev, and B. B. Kalibayev. "FERTILITY OF ALFALFA VARIETIES IN SELF-POLLINATION AND CROSS-POLLINATION." Bulletin of the Korkyt Ata Kyzylorda University 63 (2022): 160–69. http://dx.doi.org/10.52081/bkaku.2022.v63.i4.140.

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The article presents the results of studying alfalfa in a collection nursery by fertility, self-fertility, number of seeds in one pod, percentage of fertility of seedbuds in the ovary, number of seedbuds in one flower and seed productivity. The goal of the research is to study self-pollination and cross-pollination, fertility of a collection of alfalfa cultivars of different ecological and geographical origin to apply the best varieties in breeding process. All the experiments carried out at the «LLP Kazakh Research Institute of Agriculture and Plant» study area. We involved 134 varieties of a

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Stanisavljević, Rade, Dobrivoj Poštić, Ratibor Štrbanović, et al. "Variability of the number and weight of 1000 seeds of weeds present in alfalfa natural seeds from different locations in Serbia." Journal on Processing and Energy in Agriculture 27, no. 1 (2023): 25–29. http://dx.doi.org/10.5937/jpea27-43083.

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Alfalfa is the most significant perennial and multi-crop forage legume in Serbia. Seed production has numerous problems, which causes high variability in seed yield. One of the problems in this production is the weed seeds that are in the natural alfalfa seed after harvesting. Minimum purity must be greater than 95 %, up to 2 % of other species are allowed, and up to 0.5 % of weeds, but no quarantine weeds such as dodder (Cuscuta.sp). Weed seeds were detected in natural alfalfa seeds: Sinapis arvensis L., Amaranthus retroflexus L., Rumex obtusifolius, L., Cuscuta campestris Yunk., Rumex acetos

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Yusubaliev, Ashirbay Sharipov Sherzod Akhmadov Sarvar. "SELECTION OF ELECTRIC ALFALFA CLEANER TECHNOLOGY FROM SEEDS OF QUARANTINE PLANTS." INTERNATIONAL BULLETIN OF APPLIED SCIENCE AND TECHNOLOGY 3, no. 5 (2023): 1152–56. https://doi.org/10.5281/zenodo.7984113.

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Proceeding from basic properties of alfalfa seeds the paper substantiates the constructive scheme of their cleaning from seeds of quarantine plants. For sorting and cleaning of alfalfa seeds the constructive scheme consisting of concentric cylindrical electrodes with increasing intensity of electric field in the direction of seed movement is adopte

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Zhang, Shuheng, Hanguo Zeng, Wei Ji, et al. "Non-Destructive Testing of Alfalfa Seed Vigor Based on Multispectral Imaging Technology." Sensors 22, no. 7 (2022): 2760. http://dx.doi.org/10.3390/s22072760.

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Seed vigor is an important index to evaluate seed quality in plant species. How to evaluate seed vigor quickly and accurately has always been a serious problem in the seed research field. As a new physical testing method, multispectral technology has many advantages such as high sensitivity and accuracy, nondestructive and rapid application having advantageous prospects in seed quality evaluation. In this study, the morphological and spectral information of 19 wavelengths (365, 405, 430, 450, 470, 490, 515, 540, 570, 590, 630, 645, 660, 690, 780, 850, 880, 940, 970 nm) of alfalfa seeds with di

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Tucak, Marijana, Daniela Horvat, Tihomir Čupić, Goran Krizmanić, and Marija Ravlić. "Assessment of Alfalfa Populations for Forage Productivity and Seed Yield Potential under a Multi-Year Field Trial." Agronomy 13, no. 2 (2023): 349. http://dx.doi.org/10.3390/agronomy13020349.

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Alfalfa is the most important forage legume in the production of voluminous fodder. Although not primarily produced for its seeds, the seed yield is still important for the recognition and commercial viability of the cultivars on the market. Creating a cultivar of superior yield and forage quality with satisfactory seed production is one of the biggest challenges for alfalfa breeders and seed producers. The objective of this study was to determine forage and seed yields of 19 newly developed alfalfa experimental populations (ABP 1–19) of the Agricultural Institute Osijek during a long-term res

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BAŞARAN, Uğur, and DOĞRUSÖZ Medine ÇOPUR. "The Efficiency of Priming and Seed Coating Based on Organic Compounds in Seedling Growth and Traits of Alfalfa (Medicago sativa L.)." ISPEC Journal of Agricultural Sciences 6, no. 4 (2022): 667–79. https://doi.org/10.5281/zenodo.7303518.

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Priming and seed coating processes are becoming increasingly common in modern agriculture. Although the priming process is used in many plants, seed coating is mostly applied to small seeds. In the present study, an economical and ecological seed coating method was tried to be developed for alfalfa by using completely natural or organic components. The same cultivar (Bilensoy) and seed were used in all treatments, and the results were compared with normal and commercially coated seed. Distilled water 1% smoke solution (DS) obtained from St. John's Wort (<em>Hypericum heterophyllum)</em> an

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Moyer, J. R., R. W. Richards, and G. B. Schaalje. "Effect of plant density and herbicide application on alfalfa seed and weed yields." Canadian Journal of Plant Science 71, no. 2 (1991): 481–89. http://dx.doi.org/10.4141/cjps91-065.

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Alfalfa was seeded in row spacings of 36, 72 and 108 cm and at broadcast seeding rates of 0.33, 1.0 and 3.0 kg ha−1 on irrigated land at Tilley (1983) and Lethbridge (1984), Alberta to determine the effect of plant density on weed growth and alfalfa seed yield. During the seed-producing years at each location, herbicide treatments were overlaid on seeding treatments in a split-block arrangement to assess the joint effect of herbicides and plant density on alfalfa seed yield. Hexazinone was the main herbicide used for weed control. Alfalfa seed and weeds were harvested for 5 yr following alfalf

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SMALL, ERNEST. "INSECT PESTS AND THE EVOLUTION OF DEFENSIVE GLANDULAR TRICHOMES IN ALFALFA." Canadian Journal of Plant Science 65, no. 3 (1985): 589–96. http://dx.doi.org/10.4141/cjps85-081.

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Glandular trichomes can defend (Medicago species from herbivores in a variety of insect orders. Wild alfalfas with high concentrations of glandular trichomes occur in a restricted portion of the geographical range of the species (Medicago saliva L. sensu lato), especially in the Caucasus, Ukraine, and adjacent areas of the USSR. These observations suggest that this adaptation was developed to defend the alfalfa against insect pests with similar geographical distribution. That M. sativa plants with pods covered with glandular hairs tend to have larger, if fewer, seeds than plants with pods lack

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Gill, Christopher J., William E. Keene, Janet C. Mohle-Boetani, et al. "Alfalfa Seed Decontamination inSalmonellaOutbreak." Emerging Infectious Diseases 9, no. 4 (2003): 474–79. http://dx.doi.org/10.3201/eid0904.020519.

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Acharya, S. N. "AAC Meadowview alfalfa." Canadian Journal of Plant Science 94, no. 1 (2014): 187–89. http://dx.doi.org/10.4141/cjps2013-2491.

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Acharya, S. N. 2014. AAC Meadowview alfalfa. Can J. Plant Sci. 94: 187–189. AAC Meadowview alfalfa (Medicago sativa) was developed by the Agriculture and Agri-Food Canada Research Centre, Lethbridge, Alberta. This cultivar, tested as AT05 in Western Forage Trials, is derived from parental clones selected for high forage yield under low pH conditions and resistance to both bacterial wilt (BW) (caused by Corynebacterium insidiosum) or Verticillium Wilt (VW) (caused by Verticillium albo-atrum Reinke & Berthold). When grown under irrigated and rainfed conditions of western Canada AT05 out yiel

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Ejaz, Kamran, Mudssar Ali, Fawad Zafar Ahmad Khan, and Raimondas Mozūratis. "Enhancing Alfalfa (Medicago sativa) Seed Yield: The Effect of Honey Bee (Apis mellifera) Supplementation and Efficiency of Other Pollinators." Biology 14, no. 6 (2025): 599. https://doi.org/10.3390/biology14060599.

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Alfalfa (Medicago sativa) is an important fodder crop with 16–25% protein and 20–30% fibre content. It requires pollinators for seed development through a process known as “tripping”. Honey bees are preferred for their easy management and mass rearing to enhance pollination. In a field experiment, we tested three treatments: two honey bee colonies (moderately supplemented), three honey bee colonies (highly supplemented), and a control with no honey bee colonies. The colonies European honey bee, A. mellifera, were used, starting at the flowering stage. We assessed the abundance, foraging, and t

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Buhaiov, V., V. Horenskyi, V. Mamalyha, and I. Smulska. "Alfalfa: directions and results of breeding." Feeds and Feed Production, no. 95 (June 27, 2023): 26–39. http://dx.doi.org/10.31073/kormovyrobnytstvo202395-02.

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Purpose. Generalization of the results of breeding work with alfalfa (Medisago L.) based on many years of foreign and domestic research. Methods. Monitoring, system analysis, economic-mathematical approach, statistical and monographic. Results. The main areas of breeding alfalfa are presented, including increasing seed productivity, nitrogen fixation, and resistance to adverse abiotic (wintering conditions, drought, increased soil acidity) and biotic (pathogens, diseases and pests) factors, improving feed quality, and creating transgenic plants. The results of the multi-year selection work car

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Tyshchenko, A. V., O. D. Tyshchenko, G. M. Kuts, O. O. Piliarska, and N. M. Galchenko. "Anti-pest protection of two-year old alfalfa grown for seeds." Plant Breeding and Seed Production, no. 119 (July 12, 2021): 170–80. http://dx.doi.org/10.30835/2413-7510.2021.237163.

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Purpose. To evaluate the effectiveness of different insecticides against pests on two-year old alfalfa grown for seeds. Materials and methods. The study was conducted in the experimental field of the Institute of Irrigated Agriculture of NAAS in 2017–2019. The filed experiments were laid out in split plots. The main plots (factor A) were for water supply conditions (no irrigation vs. irrigation); sub-plots (factors B and C) were for application of insecticides. Seeds were sown in wide rows with interrows of 70 cm. Results and discussion. When the two-year old alfalfa canopy (buddin

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Diane Knight, J. "Evaluation of Rhizobium inoculant formulations for alfalfa yield and N fixation." Canadian Journal of Plant Science 87, no. 2 (2007): 267–72. http://dx.doi.org/10.4141/p05-143.

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Because of its small seed size, alfalfa (Medicago sativa L.) typically is seeded at a shallow depth, putting Rhizobium inoculated onto the seed coat at a high risk of desiccation. Granular inoculants may provide a superior delivery formulation for Rhizobium because the inoculant can be placed deeper in the soil than the seed, where it is protected from desiccation. Sinorhizobium meliloti cv. Beaver delivered as (1) pre-inoculated alfalfa seed from the inoculant manufacturer, (2) commercial peat-based, self-sticking inoculant applied on-site, and (3) granular inoculant placed with the seed or (

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Antoniv, S., O. Zapruta, and S. Kolisnyk. "Agroecological efficiency of biological preparations in growing alfalfa for seed." Feeds and Feed Production, no. 99 (June 30, 2025): 39–54. https://doi.org/10.31073/kormovyrobnytstvo202599-04.

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Purpose. Development of a technology for biologization of growing alfalfa seeds of the high-yielding synthetic variety Radoslav, tolerant to increased soil acidity of the right-bank Forest-Steppe of Ukraine, with the aim of forming seeds with high sowing and yield properties. Methods. Field, laboratory, visual, measuring, weight, quantitative, trial sheaf method, mathematical, statistical. Results. Aspects of the technology for growing alfalfa seeds of the Radoslava seed variety, adapted to increased soil acidity, have been developed by pre-sowing bacterization of seeds with biological prepara

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Huang, H. C., G. C. Kozub, and E. G. Kokko. "Survival of Verticillium albo-atrum in alfalfa seeds." Canadian Journal of Botany 72, no. 8 (1994): 1121–25. http://dx.doi.org/10.1139/b94-137.

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Hard seeds of alfalfa (Medicago sativa L.) were artificially inoculated with Verticillium albo-atrum Reinke & Berthold and assessed for survival of the pathogen under laboratory and field conditions. When infected seeds were stored air-dry, V. albo-atrum survival was low (less than 10% after 10 months) at above-freezing temperatures (20 and 30 °C) but high (more than 90% at 10 months) at subfreezing temperatures (−20 and −10 °C). Survival of the pathogen was also low (10% at 3 months) in seeds buried in soil at 20 °C but high (90% at 10 months) at −5 °C. More than 75% of the hard seeds rem

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Malik, Najib, and John Waddington. "Alfalfa (Medicago sativa) Seed Yield Response to Herbicides." Weed Technology 4, no. 1 (1990): 63–67. http://dx.doi.org/10.1017/s0890037x00024994.

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Seedling alfalfa was injured by chlorsulfuron and sethoxydim plus 2,4-DB but recovered the following year as alfalfa seed yields were comparable to the hand-weeded control. Fluazifopbutyl and flamprop-methyl (active isomer) at 0.5 kg/ha did not affect seedling alfalfa adversely; however, seed yields were lower the following year compared to those treated at the 0.25-kg/ha rate. In established alfalfa, sethoxydim alone or with 2,4-DB applied annually did not affect seed yields adversely. However, 2,4-DB alone reduced seed yields in 2 of 5 yr. Alfalfa tolerated chlorsulfuron at 0.015 kg/ha but w

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FRANSISCA, LILIA, and HAO FENG. "Effect of Surface Roughness on Inactivation of Escherichia coli O157:H7 87-23 by New Organic Acid–Surfactant Combinations on Alfalfa, Broccoli, and Radish Seeds." Journal of Food Protection 75, no. 2 (2012): 261–69. http://dx.doi.org/10.4315/0362-028x.jfp-11-279.

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Surface roughness has been reported as one of the factors affecting microbial attachment and removal. Seed surfaces are complex, and different seed varieties have different surface topographies. As a result, a sanitizer effective in eliminating pathogenic bacteria on one seed may not be as effective when applied to another seed. The objectives of this research were (i) to investigate the efficacy of malic acid and thiamine dilaurylsulfate (TDS) combined treatments for inactivation of E. coli O157:H7 strain 87-23 on alfalfa, broccoli, and radish seeds, (ii) to quantify surface roughness of the

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