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Journal articles on the topic 'Maize – Seeds – Viability'

Author: Grafiati

Published: 4 June 2021

Last updated: 15 February 2022

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1

Sudarmonowati, Enny, I. Fitryatmi, and S. Sadjad. "CRYOPRESERVATION OF TRUE-SEED AND EMBRYO OF MAIZE AND SOYBEAN FOR LONG-TERM STORAGE." Indonesian Journal of Agricultural Science 2, no. 2 (2016): 31. http://dx.doi.org/10.21082/ijas.v2n2.2001.31-36.

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<br />Study on cryopreservation of Indonesian local cultivars and improved varieties of maize and soybean has never been done. This method may be used for long-term preservation of seeds of maize and soybean. In this study, the method was applied to maize and soybean, Arjuna and Wilis respectively, as a model for preserving germplasm of ortodox seeds. Whole seeds and excised embryos of both varieties were subjected to two methods of cryopreservation, i.e., two-stage cooling and rapid freezing with or without 15% dimethyl sulfoxide (DMSO) as cryoprotectant solution prior to immersion in l

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2

Sudarmonowati, Enny, I. Fitryatmi, and S. Sadjad. "CRYOPRESERVATION OF TRUE-SEED AND EMBRYO OF MAIZE AND SOYBEAN FOR LONG-TERM STORAGE." Indonesian Journal of Agricultural Science 2, no. 2 (2016): 31. http://dx.doi.org/10.21082/ijas.v2n2.2001.p31-36.

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<br />Study on cryopreservation of Indonesian local cultivars and improved varieties of maize and soybean has never been done. This method may be used for long-term preservation of seeds of maize and soybean. In this study, the method was applied to maize and soybean, Arjuna and Wilis respectively, as a model for preserving germplasm of ortodox seeds. Whole seeds and excised embryos of both varieties were subjected to two methods of cryopreservation, i.e., two-stage cooling and rapid freezing with or without 15% dimethyl sulfoxide (DMSO) as cryoprotectant solution prior to immersion in l

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3

Nerling, Daniele, Cileide Maria Medeiros Coelho, and Adriele Brümmer. "Biochemical profiling and its role in physiological quality of maize seeds." Journal of Seed Science 40, no. 1 (2018): 7–15. http://dx.doi.org/10.1590/2317-1545v40n1172734.

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Abstract: Viability and vigor of seeds are physiological attributes influenced by a myriad of factors including the genotype. Biochemical profiling of maize seeds and its correlation with their physiological quality is of crucial importance in breeding programs that the aim is seeds of better quality. The main goal of this study was to analyze the genetic diversity among maize inbred lines and evaluate the biochemical components that have an important role in physiological quality of seeds. The seeds of the inbred lines and hybrids were submitted to viability test, vigor by the accelerated agi

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4

Tamindžić, Gordana, Maja Ignjatov, Dragana Milošević, et al. "Assessment of quality and viability of primed maize seed." Ratarstvo i povrtarstvo 57, no. 3 (2020): 87–92. http://dx.doi.org/10.5937/ratpov57-26575.

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Good crop establishment is essential for achieving high yield and constraints to good establishment include untimely sowing and low seed quality combined with various adverse growing conditions after sowing. Seed priming is a pre-sowing technique used for the improvement of germination, reduction of the time from sowing to emergence and improvement of emergence uniformity. Various seed priming techniques, such as hydropriming and priming with zinc, are used nowadays to improve crop establishment. The importance of seed priming with zinc for better germination, improved stand establishment, and

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5

Davidson, K. G. V., S. Sowa, F. D. Moore, and E. E. Roos. "Maize seed response to successive imbibition/dryback cycles: viability and vigour." Seed Science Research 4, no. 4 (1994): 431–37. http://dx.doi.org/10.1017/s0960258500002488.

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AbstractElectroconductivity tests are currently used for seed vigour assessment. They are rapid and simple and after further development, they may yet provide the seed industry with a non-destructive alternative to the standard germination test, which is thoroughly destructive to the sample, time consuming, and expensive. Seed injury, a result of soaking required by the electroconductivity test, was evaluated using high quality Zea mays L. seeds responding to successive imbibition/dryback cycles. If the soaking time is brief, injury to the seeds should be minimal, thus permitting successive te

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6

Nagel, Manuela, and Andreas Börner. "The longevity of crop seeds stored under ambient conditions." Seed Science Research 20, no. 1 (2009): 1–12. http://dx.doi.org/10.1017/s0960258509990213.

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AbstractThe ability of crop seeds to retain their viability over extended periods of uncontrolled temperature and/or relative humidity conditions has not been widely investigated, although this is an important issue for genebank management. We report here the response of 18 crop species to storage for up to 26 years at 20.3 ± 2.3°C and 50.5 ± 6.3% relative humidity. Germination rates decreased in a sigmoid fashion, but the curve parameters were species characteristic. Pea, common bean and maize seeds retained their viability over the longest period (23, 21 and 19 years, respectively). In contr

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Trolove, M. R., and C. A. Dowsett. "Yellow bristle grass seed killed in maize silage." New Zealand Plant Protection 68 (January 8, 2015): 442. http://dx.doi.org/10.30843/nzpp.2015.68.5847.

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Yellow bristle grass (Setaria pumila) is a serious weed that reduces dairy farm profitability and could potentially infest productive land throughout New Zealand Supplementary feed is used extensively in the dairy industry and farmers are concerned that yellow bristle grass seed may be spread with maize silage Previous studies showed that its seeds did not survive burial in covered silage stacks after 1 week To further investigate the decline in seed viability mesh bags containing 50 seeds were buried at 0 and/or 400 mm depth in two covered Waikato silage stacks and retrieved after 1 2 3 5 and

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8

Hodges, D. Mark, Christiane Charest, and Robert I. Hamilton. "A chilling resistance test for inbred maize lines." Canadian Journal of Plant Science 74, no. 4 (1994): 687–91. http://dx.doi.org/10.4141/cjps94-124.

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A laboratory germination test based on exposure of seeds to a temperature regime derived from natural conditions was developed to determine chilling resistance in maize (Zea mays L.). Seven inbred lines were exposed to a temperature regime approximating Ottawa, Ontario's (Lat. 45° 24′N, Long. 75° 43′W) spring climate. Seeds were subjected to a range of maximum (16 h) and minimum (8 h) temperatures corresponding to the dates spanning 15 April (10.3/0.4 °C) to 30 May (21.0/9.1 °C) in controlled temperature germinators. A control germination test used a constant 25 °C. The percent germination, pe

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Ribeiro, Bárbara Gomes, Raquel Maria de Oliveira Pires, Tatiana Botelho Fantazzini, Hesoisa Oliveira dos Santos, Dayliane Bernardes de Andrade, and Renato Mendes Guimarães. "Mechanical Damages and Chemical Treatments in the Quality of Maize Seeds Stored." Journal of Agricultural Science 11, no. 3 (2019): 482. http://dx.doi.org/10.5539/jas.v11n3p482.

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The current system of seeds production is highly mechanized and these operations can contribute to losses in quality due the incidence of mechanical damages. The objective in this work was to study the effect of the chemical treatment and the storage on quality of maize seeds with mechanical damages. The seeds used were individually analyzed through X-ray test for the obtainment of three lots; 1-seeds without separation, 2-seeds without mechanical damages and 3-seeds with mechanical damages. The lots were evaluated according the physiological quality, sanity and enzymatic analyzes before and a

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10

Teixeira, Raianny Dos Reis, and Joseanny Cardoso Da Silva Pereira. "GERMINATION AND VIGOR OF INDUSTRIALLY TREATED MAIZE SEEDS." Ipê Agronomic Journal 3, no. 1 (2019): 59–70. http://dx.doi.org/10.37951/2595-6906.2019v3i1.4331.

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The industrial seed treatment combines the application of insecticides, fungicides, nematicides, micronutrients and other products. However, seed submission to the combination of several products can cause phytotoxicity, resulting in reduced viability and vigor, which is directly proportional to the increase in the storage period of the material. Thus, the objective was to determine the vigor of corn seeds and the percentage of germination in substrates when submitted to two types of industrial treatment as a function of storage time. The experimental design was a completely randomized, 2 x 2

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11

Takele, A., and J. Farrant. "Seed germination and storage reserves of maize and sorghum after exposure to and recovery from pre- and post-flowering dehydration." Acta Agronomica Hungarica 58, no. 2 (2010): 133–42. http://dx.doi.org/10.1556/aagr.58.2010.2.4.

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Investigations were made on the seed viability (standard germination test and vigour after accelerated ageing) and seed quality (starch, protein, lipid, sucrose, glucose and fructose) of seeds of maize (cv Melkassa-2) and sorghum (cv Macia) harvested from plants after exposure to and recovery from pre- and post-flowering dehydration. The objectives of the study were to achieve a better understanding of 1) the effects of water deficit during the pre- and post-flowering stages on the seed viability and food (storage reserves) quality, and 2) the effects of dehydration and rehydration cycles at c

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12

Khalid, Noriza, ákos Tarnawa, Zoltán Kende, Katalin M. Kassai, and Márton Jolánkai. "Viability of maize (Zea mays L) seeds influenced by water, temperature, and salinity stress." Acta Hydrologica Slovaca 22, no. 1 (2021): 113–17. http://dx.doi.org/10.31577/ahs-2021-0022.01.0013.

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13

Escanferla, Maria, Philip Wysmierski, Walter Meirelles, and Luzia Meirelles. "Viability and dissemination of Pantoea ananatis, etiological agent of Maize White Spot disease." Agronomy Science and Biotechnology 4, no. 2 (2018): 52. http://dx.doi.org/10.33158/asb.2018v4i2p52.

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Maize white spot (MWS) is a disease widely spread in maize production regions in Brazil and causes serious economic damages to the culture. Little is known about the dissemination, growth and development conditions of the MWS causal agent, the bacterium Pantoea ananatis. The objective of this work was to determine the viability of this bacterium, as well as its distribution in the plant. P. ananatis after isolated was stored in both, Nutrient Broth (NB) medium and in mineral oil. For the viability tests, the cultures stored in NB were maintained at 12ºC and –6ºC and the cultures stored in mine

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14

Rahman, A., T. K. James, N. Grbavac, J. E. Waller, and J. Mellsop. "Spatial variability of fathen seeds in the soil under repeat maize cropping." Proceedings of the New Zealand Plant Protection Conference 52 (August 1, 1999): 209–13. http://dx.doi.org/10.30843/nzpp.1999.52.11567.

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Variability in distribution of fathen seeds in the soil was investigated to develop sampling protocols. Vertical distribution of seeds was assessed at 0-2.5, 2.5-5.0, 5.0-10.0 and 10.0-15.0 cm depth. Horizontal distribution of seeds in the top 5cm of soil was assessed in a 20 by 2.5 m grid at 50 cm intervals. Seeds were extracted from the samples by sieving and their viability was assessed. The fathen seed numbers halved with each 5 cm increase in depth. Seed numbers declined along the row in some cases but there was little localised clumping (? 1 m) of the seed. The most efficient method of s

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15

Salomão, Helis Maria, Silvia Rahe Pereira, Andreia Suchoronczek, et al. "Physiological Quality of Hybrids and Creole Maize Seeds." Ensaios e Ciência: Ciências Biológicas, Agrárias e da Saúde 23, no. 3 (2019): 198. http://dx.doi.org/10.17921/1415-6938.2019v23n3p198-202.

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AbstractThe aim of this study was to evaluate the physiological quality of hybrid maize seeds (within the validity period and expired seeds) and of a Creole variety within the validity period. The study was performed using the hybrids C1 BM3063 PRO 2 (valid until 12/2018) and C1 SYN8A98 (valid until 03/2017 - expired one year ago) and a Creole maize (freshly harvested, collected at Pato Branco city, Paraná State, Brazil). Seed germination, germination speed index, germination speed, cold test, length and fresh and dried matter of shoot and root system were evaluated in a laboratory experiment.

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16

AVELING, T. A. S., V. GOVENDER, D. S. KANDOLO, and Q. KRITZINGER. "The effects of treatments with selected pesticides on viability and vigour of maize (Zea mays) seeds and seedling emergence in the presence of Fusarium graminearum." Journal of Agricultural Science 151, no. 4 (2012): 474–81. http://dx.doi.org/10.1017/s0021859612000457.

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SUMMARYThe quality of seed is dependent on two very broad aspects: how healthy (disease-free) a seed is and its field performance (germination and vigour). The objective of the present study was to evaluate the effect of pesticidal seed treatments of maize (Zea mays L.) on seed germination and vigour, and on greenhouse emergence in the presence of Fusarium graminearum Schw. Maize seeds were treated with four pesticides: Apron® XL (metalaxyl), Thiram (thiram), Celest® XL (fludioxonil, metalaxyl) and Apron® Star 42 WS (thiamethoxam, metalaxyl, difenoconazole). Viability and vigour of the treated

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17

Adedayo, Adetumbi, and Olakojo Adelowo. "Storage Potentials and Tolerance of High Protein Maize (HPM) and Quality Protein Maize (QPM) to Seed Storage Pests in Controlled Environment." Journal of Plant Protection Research 50, no. 1 (2010): 67–71. http://dx.doi.org/10.2478/v10045-010-0012-6.

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Storage Potentials and Tolerance of High Protein Maize (HPM) and Quality Protein Maize (QPM) to Seed Storage Pests in Controlled EnvironmentStudies on seed storage were conducted at seed processing and storage section of the Institute of Agricultural Research and Training, Obafemi Awolowo University, Moor Plantation, Ibadan Nigeria in 2007 and 2008, to evaluate High protein maize (HPM) seed for resistance/tolerance to storage insect pest, and assess the resultant effect of seed treatment chemicals on its germination potential. Seeds of HPM variety (ART-98-SW1) and Quality protein maize (QPM) v

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18

Desheva, Gergana. "The Longevity of Crop Seeds Stored Under Long-term Condition in the National Gene Bank of Bulgaria." Agriculture (Polnohospodárstvo) 62, no. 3 (2016): 90–100. http://dx.doi.org/10.1515/agri-2016-0010.

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Abstract Seed accessions from 7 plant families and 28 species stored for above 20 years in the National gene bank of Bulgaria were evaluated. All seed accessions were maintained as base collection under long-term storage conditions with low moisture contents (5±2%) in hermetically closed containers at −18°C. On the basis of experimental data, the seed storage characters σ (standard deviation of seed death in storage), P50% (the time for viability to fall to 50%) and P10% (the time for viability reduction of 10%) were determined allowing the prediction of seed storage life and the regeneration

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19

Muthukumar, M., and K. N. Ragumoorthi. "Impact of Angoumois Grain Moth, Sitotroga cerealella (Olivier) (Lepidoptera: Gelechiidae) on the Viability of Maize Seeds." International Journal of Current Microbiology and Applied Sciences 6, no. 8 (2017): 5–10. http://dx.doi.org/10.20546/ijcmas.2017.608.002.

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20

Vázquez, Edgar, Fernando Montiel, and Jorge M. Vázquez-Ramos. "DNA ligase activity in deteriorated maize embryo axes during germination: a model relating defects in DNA metabolism in seeds to loss of germinability." Seed Science Research 1, no. 4 (1991): 269–73. http://dx.doi.org/10.1017/s0960258500000994.

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AbstractChromosome integrity and DNA polymerase activity are negatively affected by improper storage of maize seeds. We have extended our studies on the effect of improper storage on DNA metabolism by analysing the effect of hot–dry and hot–humid conditions on DNA ligase activity. An assay to measure ligase activity was established by using linearized plasmid DNA as substrate and protein extracts from maize axes. Optimal conditions were established for the in vitro assay. Enzyme activity was importantly reduced under both storage conditions. Activity recovered 6–9 h after imbibition. A model f

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Marinoni, Renato C., and Cibele S. Ribeiro-Costa. "Influence of temperature and diet on the development of Ulomoides dermestoides (Fairmaire, 1893) (Coleoptera, Tenebrionidae, Diaperinae)." Brazilian Archives of Biology and Technology 44, no. 2 (2001): 129–34. http://dx.doi.org/10.1590/s1516-89132001000200004.

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Ulomoides dermestoides (Fairmaire, 1893) develops in stored food products (peanuts, maize, oats, rice, sorghum, etc.) and breeds successfully in the laboratory. To determine the best conditions for development, experiments were set up in different temperatures and diets, similar to storage conditions of peanuts (Arachis hypogaea L.). The higher viability of individuals and the shorter developmental time were observed in the diet composed of hulls and seeds of fruits at 21 and 24°C.

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GHASSEMI-GOLEZANI, Kazem, Bahareh DALIL, Mohammad MOGHADDAM, and Yaeghoob RAEY. "Field Performance of Differentially Deteriorated Seed Lots of Maize (Zea mays) under Different Irrigation Treatments." Notulae Botanicae Horti Agrobotanici Cluj-Napoca 39, no. 2 (2011): 160. http://dx.doi.org/10.15835/nbha3926055.

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A sub-sample of maize (cv. KSC301) seeds was kept as control or vigorous seed lot and two other sub-samples with about 16% moisture content were artificially deteriorated at 40C for 16 and 18 days. The three seed lots had seed viabilities of 99% (V1), 91% (V2) and 79% (V3). Laboratory tests were carried out as CR design with four replicates. However, the field experiment was conducted as factorial based on RCB design with three replicates to investigate the performance of differentially deteriorated seed lots under four irrigation treatments (irrigation after 70, 90, 110 and 130 mm evaporation

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Davidson, K. G. V., F. D. Moore, and E. E. Roos. "299 ELECTROLYTE LEAKAGE FROM INDIVIDUAL MAIZE AND WHEAT SEEDS TO PREDICT GERMINATION PERCENTAGE AND RADICLE LENGTH." HortScience 29, no. 5 (1994): 473b—473. http://dx.doi.org/10.21273/hortsci.29.5.473b.

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Multiple electroconductivity readings (μAmps) of leachates from individual seeds during the first 6 hr of imbibition was examined as a possible predictor of seed quality. Readings from each sample of 100 seeds were formed into frequency distributions and the mean, median. and internal slope were calculated using an automated computer retrieval system. Internal slope is a non-central tendency measure based on the slope of a line tangent to the inflection point of the S-shaped cumulative frequency distribution (CFD) of μAmps. Radicle lengths (3 days) and germination (7 days) percentages were reg

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Tonel, Fernanda Reolon, Patrícia Marini, Juliana de Magalhães Bandeira, Dario Munt de Moraes, and Luciano do Amarante. "Salicylic acid: physiological and biochemical changes in seeds and maize seedlings subjected to salt stress." Journal of Seed Science 35, no. 4 (2013): 457–65. http://dx.doi.org/10.1590/s2317-15372013000400007.

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Several plant species have development limitations on saline soils; however under water stress situations salicylic acid (SA) may have defense function by acting as antioxidant. Thereby, this study was aimed at analyzing physiological changes occurring in maize seeds treated with SA and germinated on sodium chloride moistened substrate; as well as assessing the effect of antioxidant enzymes produced by the seedlings. To this, seeds were soaked into zero and 1 mM SA solutions, for 60 min., and germinated on different NaCl concentrations (0, 30, 90, and 180 mM), and afterwards evaluated for germ

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Wambugu, P. W., P. W. Mathenge, E. O. Auma, and H. A. vanRheenen. "Constraints to On-Farm Maize (Zea mays L.) Seed Production in Western Kenya: Plant Growth and Yield." ISRN Agronomy 2012 (August 2, 2012): 1–7. http://dx.doi.org/10.5402/2012/153412.

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Studies have shown that that about 85% of maize farmers in Western Kenya plant local varieties with about 80% using own farm-saved seeds. The production system is characterized by late harvesting, heavy striga infestation, use of local varieties, and low-soil fertility. The objective of this study was to test an on-farm seed production system which would help improve yield and quality of farm saved seeds. The trials were set up in a factorial design fitted as random complete block design. There were 3 factors each at 2 levels: time of harvest, variety choice, and fertilizer application. Fertil

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Guzzon, Filippo, Maraeva Gianella, Jose Alejandro Velazquez Juarez, Cesar Sanchez Cano, and Denise E. Costich. "Seed longevity of maize conserved under germplasm bank conditions for up to 60 years." Annals of Botany 127, no. 6 (2021): 775–85. http://dx.doi.org/10.1093/aob/mcab009.

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Abstract Background and Aims The long-term conservation of seeds of plant genetic resources is of key importance for food security and preservation of agrobiodiversity. Nevertheless, there is scarce information available about seed longevity of many crops under germplasm bank conditions. Methods Through germination experiments as well as the analysis of historical monitoring data, we studied the decline in viability manifested by 1000 maize (Zea mays subsp. mays) seed accessions conserved for an average of 48 years at the CIMMYT germplasm bank, the largest maize seedbank in the world, under tw

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Guzzon, Filippo, Pedro Bello, Kent J. Bradford, María de los Angeles Mérida Guzman, and Denise E. Costich. "Enhancing seed conservation in rural communities of Guatemala by implementing the dry chain concept." Biodiversity and Conservation 29, no. 14 (2020): 3997–4017. http://dx.doi.org/10.1007/s10531-020-02059-6.

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Abstract Seed conservation in rural communities of low- and middle-income countries located in tropical areas is particularly problematic, due to high relative humidity that promotes insect and fungal infestations and leads to rapid losses in seed viability. Seed conservation in those areas is affected by unreliable power supplies that do not allow the use of dehumidifying and refrigeration systems recommended for the long-term storage of seeds. We tested the dry chain, i.e., initial seed drying with a reusable desiccant in the form of zeolite beads followed by seed conservation in hermetic co

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Yan, Min. "The preliminary study on the optimum moisture content of ultra-dry storage and its related chemicals in seeds from six crop species." Plant Genetic Resources 15, no. 6 (2016): 506–14. http://dx.doi.org/10.1017/s1479262116000216.

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AbstractUltra-dry storage, storing orthodox seeds at ambient temperatures with moisture contents below 5%, can maintain seed viability for long periods with low input. Optimum moisture contents for ultra-dry storage exist and vary substantially among different seed lots due to their differences in desiccation tolerance, which is associated with the accumulation of protective compounds. To study the relationship between moisture contents of ultra-dry stored species, seed composition and the free-radical scavenging activity (FRSA). Eleven seed lots of maize, wheat, pepper, peanut, Chinese cabbag

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Harman, Rebecca Mattingly, Neal S. Eash, John E. Morrison, William E. Hart, Casey T. Sullivan, and Dayton M. Lambert. "Finding the Technological Sweet Spot: The Smallholder Conservation Agriculture Maize Seeder." Journal of Sustainable Development 10, no. 5 (2017): 241. http://dx.doi.org/10.5539/jsd.v10n5p241.

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The seeder is integral to smallholder agricultural production. This technology seeks to lessen farmer labor requirements, meter seeds accurately, and minimize excessive soil disturbance. Hand seeders play a central role in conservation agriculture (CA) for the smallholder farmer as a means to plant through residue cover and penetrate non-tilled soil surfaces. Two trials in maize (Zea mays, L.) residue and soybean (Glycine max, L.) residue were conducted to test seven seeders of increasing mechanization levels: five hand operated, one mechanized, and one tractor-drawn control. The experiment si

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Blackman, Sheila A., and Eric E. Roos. "441 PB 244 CULTURE OF ISOLATED EMBRYOS OF DETERIORATED MAIZE SEED: A STRATEGY FOR RESCUING GERMPLASM." HortScience 29, no. 5 (1994): 494d—494. http://dx.doi.org/10.21273/hortsci.29.5.494d.

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The low quality of some seed lots received by germplasm repositories such as the National Seed Storage Laboratory can thwart efforts to regenerate seed for storage. This germplasm is in danger of irretrievable loss. The aim of this work is to promote the germination, and hence regeneration, of such low quality seeds through sterile culture of the isolated embryos. Hybrid (B73×LH51) maize seeds were aged 5 y at 32°C and 0.037 g H2O g-1 dry wt. Vigor - but not viability -declined under these conditions. The effects of four factors on growth and germination were systematically examined. These wer

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Valdes, Abel, Elos Mariano Mendoza, and Francisco Nieto. "Control de Prostephanus truncatus (Horn) en semilla de maíz almacenada." Agronomía Mesoamericana 11, no. 1 (2006): 95. http://dx.doi.org/10.15517/am.v11i1.17358.

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The objective considers to evaluate the biological effectiveness of 9 single insecticide products and in mixture, employees for the control of plagues of the maize (grain stored and of the culture) and to dose recommended for this culture. They were applied by immersion of the grain on a variety of maize tuxpeño to observe the biological effect in mortality terms on large grain borer Prostephanus truncatus, during a period of storage of 6 months, under a design completely at random with 38 treatments, 3 repetitions and one comparison of averages (Tukey 0,05); with the intention of analyzing th

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Henrique, Ivanildo Guilherme, Rafael Orlandini Bosqueiro, Rafael Massaru Kotsubo, and Silvia de Carvalho Campos Botelho. "DÉFICIT HÍDRICO E A GERMINAÇÃO DE SEMENTES DE HÍBRIDOS DE MILHO." Nativa 9, no. 3 (2021): 240–46. http://dx.doi.org/10.31413/nativa.v9i3.9686.

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Considerando a importância da água no processo de germinação de sementes, as condições adversas de umidade afetam diretamente o processo germinativo. Para tanto, objetivou-se avaliar a influência do deficit hídrico na germinação e vigor de sementes de dois genótipos comerciais de milho, induzido por diferentes potenciais osmóticos. Utilizou-se delineamento experimental inteiramente casualizados (DIC), arranjado em esquema fatorial duplo 2x5, com quatro repetições, avaliando híbridos de milho (DKB255PRO3 e DKB390PRO2), submetidos a germinação sob condições de déficit hídrico, em cinco níveis de

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WARWICK, S. I., and L. D. BLACK. "THE BIOLOGY OF CANADIAN WEEDS.: 90. Abutilon theophrasti." Canadian Journal of Plant Science 68, no. 4 (1988): 1069–85. http://dx.doi.org/10.4141/cjps88-127.

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Abutilon theophrasti Medic. (velvetleaf) forms extensive weed infestations in all major maize and soybean growing areas of Ontario and Quebec. A review of the literature on the biology of the species is presented. Velvetleaf causes crop losses through competition, allelopathic effects and by hosting insect pests and pathogens of crops. Velvetleaf has a number of features which contribute to its success as a weed, including: the production of a large number of seeds that have high viability with prolonged dormancy and sporadic, continuous germination patterns; robust seedling vigor; and the abi

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Khatun, Monowara, Md Asif Rehan Shuvo, Md Tareq Bin Salam, and S. M. Hafizur Rahman. "Effect of organic amendments on soil salinity and the growth of maize (Zea mays L.)." Plant Science Today 6, no. 2 (2019): 106–11. http://dx.doi.org/10.14719/pst.2019.6.2.491.

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Soil salinity is a major concern in southwestern part of Bangladesh because almost 30% cultivable lands are currently lying under risk of salinity where 30-50% yields loss is happening. Organic amendments have found to be effective in the amelioration of saline soil by improving soil physical and chemical properties as well as crop selection is another criteria for sustaining viability of crops in saline soil. For ensuring sustainable saline soil management, a comparative pot study was carried out during kharif 1 season in 2015 to observe the effect of organic amendments (solid waste, vermicom

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Komisarenko, A. G. "Osmotolerance of т4 generation monocotyledonous and dicotyledonous plants with suppressed expression of proline catabolism gene". Fiziologia rastenij i genetika 52, № 5 (2020): 434–48. http://dx.doi.org/10.15407/frg2020.05.434.

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Analysis of transgene function retention in seed generation (Т4) of genetically modified plants of maize, wheat and sunflower was carried out. It was shown that about 80–85 % of seeds of plants created by the biotechnological method had the ability to germinate under conditions of water deficiency and salinization, while in plants of the original forms this index was 20—28 %. Variability in transgene expression among individual variants of the seed generation of genetically modified forms was noted. Almost 65 % of Т4 seedlings of corn and wheat withstood the conditions of super hard osmotic st

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Kim, Park, Kang та ін. "Green Tea Seed Oil Suppressed Aβ1–42-Induced Behavioral and Cognitive Deficit via the Aβ-Related Akt Pathway". International Journal of Molecular Sciences 20, № 8 (2019): 1865. http://dx.doi.org/10.3390/ijms20081865.

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The aim of this study was to investigate the availability of seeds, one of the byproducts of green tea, and evaluate the physiological activity of seed oil. The ameliorating effect of green tea seed oil (GTO) was evaluated on H2O2-induced PC12 cells and amyloid beta (Aβ)1–42-induced ICR mice. GTO showed improvement of cell viability and reduced reactive oxygen species (ROS) production in H2O2-induced PC12 cells by conducting the 2′,3-(4,5-dimethylthiazol-2-yl)-2,5-diphenyl tetrazolium bromide (MTT) and 2′,7′-dichlorofluorescein diacetate (DCF-DA) analysis. Also, administration of GTO (50 and 1

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Martin, H. L. "Management of soilborne diseases of beetroot in Australia: a review." Australian Journal of Experimental Agriculture 43, no. 11 (2003): 1281. http://dx.doi.org/10.1071/ea02150.

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Soilborne fungal diseases threaten the viability of the Australian processing beetroot industry. Globally, Pythium spp., Aphanomyces cochlioides and Rhizoctonia solani are the predominant soilborne fungal pathogens responsible for a root rot complex in beet crops. In Australia, the disease problems have been exacerbated in recent years because crops are now grown virtually year round, and under environmental conditions favourable to infection. This has lead to increased inoculum levels in soils sown to beetroot. Moreover, nowhere in the world does there seem to be a single strategy that is com

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Hahn, Juliane, Friederike de Mol, and Jürgen Müller. "Ensiling Reduces Seed Viability: Implications for Weed Management." Frontiers in Agronomy 3 (August 5, 2021). http://dx.doi.org/10.3389/fagro.2021.708851.

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Ensiling, a lactic acid fermentation process, is mainly used to preserve biomass. In addition, it has been shown to affect seed viability of some plant species. The extent to which this makes ensiling suitable as a weed control measure, however, has not yet been determined. Both the range of controllable species and the parameters of an ensiling process that safely kills seeds are still undefined. We aimed to determine the effect of varying substrate and ensiling conditions on the seed viability of 10 species selected to represent a wide range of different seed traits. Five different types of

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Lesilolo, M. K., Jacob Patty, and N. Tetty. "Penggunaan Desikan Abu Dan Lama Simpan Terhadap Kualitas Benih Jagung (Zea mays L.) Pada Penyimpanan Ruang Terbuka." Agrologia 1, no. 1 (2018). http://dx.doi.org/10.30598/a.v1i1.298.

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This study was aimed to determine the proper dose of ash desiccant on maize seed stored for 30, 60 and 90 days. The design used was a Completely Randomized Factorial Design, with two factors and three replications. The first factor was desiccant dose (D) : Do = 0 % (control), D1 = 5 % (12.5 g of seed weight), D2 = 10% (25 g of seed weight), D3 = 15 % (37 g of seed weight), D4 = 20 % (50 %g of seed weight), D5 = 25 % (62.5 g of seed weight). The second factor was length of storage (S) : S1 = 30 day storage, S2 = 60 day storage and S3 = 90 day storage. The result show that use of desiccant only

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Olawuyi, Odunayo Joseph, Onyinye Mirian Chikeluba, and Akinlolu Olalekan Akanmu. "Effect of Storage Temperatures on Phenotypic and Gene Expression of Maize (Zea mays L.) Genotypes." Biotechnology Journal International, March 19, 2020, 38–52. http://dx.doi.org/10.9734/bji/2020/v24i130096.

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Introduction: Maize is an important cereal grown globally across wide range of altitude and latitude. Temperature is one of the factors that affect the viability of maize under storage conditions. Aim: This study, therefore, assessed the effect of different temperature storage levels on the morphological characters and molecular variability of maize genotypes. Materials and Methods: The seeds of maize genotypes: TZLCOMP4C3, EVDT-W200STRCO, POP66SR/ACR94, POOL18SR QPM, TZM 132, TZM 1291, EVDT- Y2008 STR and TZM 1326 obtained from the National Centre for Genetic Resources and Biotech

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Bankole, O., A. Oluwaranti, S. A. Ajayi, and F. E. Awosanmi. "Genotypic Variation of Different Maturity Groups of Maize (Zea mays L.) for Seed Physiological Quality." Journal of Experimental Agriculture International, June 27, 2020, 139–49. http://dx.doi.org/10.9734/jeai/2020/v42i530527.

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Maize genotypes of different maturity groups with good seed quality had been developed, but there is little or no information on how the seed quality of the maize genotypes are affected by their maturity groups. Therefore, the objectives of this study were to evaluate maize varieties of different maturity groups for seed quality and determine genotypic variations that exist within the different maturity groups of maize for seed quality. Laboratory experiments were conducted in the Seed Science Laboratory of the Department of Crop Production and Protection, Obafemi Awolowo University, Ile-Ife,

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de Brito, R. R., E. F. Leão-Araújo, L. B. da S. Ferreira, et al. "Research Article Viability of simultaneous genotypic screening and germination of individual seeds in rice, beans and maize." Genetics and Molecular Research 18, no. 1 (2019). http://dx.doi.org/10.4238/gmr18130.

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SILVA, THAYS GABRIELLA LIMA, ROMANO ROBERTO VALICHESKI, FLÁVIO LOPES CLÁUDIO, ESTÊNIO MOREIRA ALVES, MATEUS DE SOUSA PERES, and PAULO ALEXANDRE PERDOMO SALVIANO. "SILAGE PRODUCTION, BROMATOLOGICAL COMPOSITION AND ECONOMIC VIABILITY OF INOCULATION OF VARIETAL MAIZES WITH." Revista Brasileira de Milho e Sorgo 20 (September 3, 2021). http://dx.doi.org/10.18512/rbms2021v20e1174.

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In the western region of the State of Goias family farmers that depend onthe raising of livestock as one of their main sources of income are predominant. These farmers periodically grow maize for the production of silage in order to compensate their incomes. Considering the high cost of hybrid seeds and nitrogen fertilization, technologies that contribute to the reduction of silage production costs are required. In this sense, the objective of this study was to evaluate the response of maize genetic materials (Feroz Hybrid VIP3 and varieties SCS 156 and SCS 154), regarding silage production, b

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Kumar, Sourbh, Uttam Chandel, and Satish Kumar Guleria. "Optimization of chromosome doubling treatment for efficient in vivo doubled haploid production in maize." Israel Journal of Plant Sciences, January 27, 2021, 1–10. http://dx.doi.org/10.1163/22238980-bja10020.

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Abstract An investigation to optimize the protocol for application of colchicine for enhancing the doubled haploid production in maize was done. 106 maize genotypes were used as maternal parents, whereas, pollen source involved tropically adopted haploid inducer (TAIL P1 and TAIL hybrid). After the elimination of chromosomes of inducer lines, haploid seeds were obtained from the crosses. Haploid seedlings were treated with three different doses, such as 0.04, 0.06 and 0.08 per cent of colchicines for different durations (8, 12 and 15 hours). The response of various colchicine concentrations ap

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Rivas-Franco, Federico, John G. Hampton, Nora A. Altier, et al. "Production of Microsclerotia From Entomopathogenic Fungi and Use in Maize Seed Coating as Delivery for Biocontrol Against Fusarium graminearum." Frontiers in Sustainable Food Systems 4 (December 10, 2020). http://dx.doi.org/10.3389/fsufs.2020.606828.

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The commercial use of the entomopathogenic fungi Metarhizium spp. in biopesticides has gained more interest since the discovery that several species of this genus are able to colonize roots. In general, commercial products with Metarhizium are formulated based on conidia for insect pest control. The process of mass production, harvesting, and formulation of infective conidia can be detrimental for conidial viability. Entomopathogenic fungi such as Metarhizium spp. are able to produce high concentrations of resistant structures, known as microsclerotia, when grown in liquid media. Microscleroti

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Lohn, André Felipe, Miluse Trtikova, Ignacio Chapela, Rosa Binimelis, and Angelika Hilbeck. "Transgene behavior in genetically modified teosinte hybrid plants: transcriptome expression, insecticidal protein production and bioactivity against a target insect pest." Environmental Sciences Europe 33, no. 1 (2021). http://dx.doi.org/10.1186/s12302-021-00506-x.

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Abstract Background In 2009, Spanish farmers reported a novel weed, now identified as a relative of maize’s ancestor, teosinte, in their maize fields. Introgression of the insect resistance transgene cry1Ab from genetically modified (GM) maize into populations of this weedy Spanish teosinte could endow it with additional defense mechanisms. The aims of this study were: (1) to test if hybridization between GM maize and weedy plants from Spain is possible; (2) to understand the relationship between transgene transcription activity, concentrations of the expected transgene product (Cry1Ab protein

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AA, Sobowale. "Possible Association Levels between Fertilizer (300 kg/Ha NPK) Application and Fungal Incidence and Viability of Stored Maize Seeds." Journal of Plant Pathology & Microbiology 04, no. 02 (2012). http://dx.doi.org/10.4172/2157-7471.1000163.

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Rojas-Lima, José Ernesto, Arturo Domínguez-Pacheco, Claudia Hernández-Aguilar, Luis Manuel Hernández-Simón, and Alfredo Cruz-Orea. "Statistical methods for the analysis of thermal images obtained from corn seeds." SN Applied Sciences 3, no. 4 (2021). http://dx.doi.org/10.1007/s42452-021-04486-8.

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AbstractDuring the last decades, digital image processing algorithms have been developed to measure external characteristics of agricultural products due to the great potential that these methods offer. So, in this research, the thermal images obtained from a thermographic camera were analysed considering two genotypes of maize seeds: crystalline and floury in their natural state, previously irradiated with a laser light source of 650 nm for exposure times of 15 s and 35 s. The methods applied in the analysis were: a) histogram to obtain the distribution of gray levels of images, b) mean value

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Henga, S. A., W. M. Thagana, Hunja Hurage, and M. W. Githendu. "Assessing Seed Vigor Characters of Selected Rice (Oryza sativa L.) Genotypes Using Accelerated Ageing Method." Asian Journal of Agricultural and Horticultural Research, September 16, 2019, 1–5. http://dx.doi.org/10.9734/ajahr/2019/v4i330024.

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Rice (Oryza sativa L.) is an annual grass with the third-highest world production after sugarcane and maize. However, due to losses in vigor caused by poor seed storage, global consumption has surpassed production. Preservation of germ plasma both in-situ and ex-situ is the key to the conservation of rich biodiversity. Seed vigor is a key element of seed quality and high vigor seeds give uniform plants stand and higher yields per area. Accelerated ageing tests enable testing the vigor of stored seeds by subjecting the seeds to a particular temperature and relative humidity over time and then p

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Olasoji, J. O., and D. J. Ogunniyan. "Genetic Variability in Physiological Seed Quality of Maize Genotypes of Different Maturity Groups." International Journal of Plant & Soil Science, December 12, 2020, 1–10. http://dx.doi.org/10.9734/ijpss/2020/v32i1730381.

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A study was conducted to investigate genetic variability in physiological seed quality using viability and vigour tests which were conducted at the seed testing laboratory of Institute of Agricultural Research and Training (IAR&T), Moor Plantation, Ibadan. The investigational materials consisted of twelve genotypes of maize of different maturity-early, intermediate and late collected from the International Institute of Tropical Agriculture (IITA), Ibadan and IAR&T, Moor Plantation, Ibadan, respectively. The experimental design used was completely randomize design (CRD) and data was col

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