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Journal articles on the topic 'Vegetative progeny'

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1

Fernández-Padilla, Katheryne, Rosabel Vélez-de la Rocha, and Elisa M. Valenzuela-Soto. "Heat Stress in Different Development Stages of Wheat Modifies the Grain Chemical Composition and Germination Index." Journal of the Mexican Chemical Society 67, no. 3 (2023): 275–83. http://dx.doi.org/10.29356/jmcs.v67i3.2050.

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Abstract. Climate change is causing increases in temperature in wheat-producing areas of the world. The global warming conditions put wheat production at risk. In wheat, heat stress causes a decrease in the yield due to retarding grain fill time and maturity. This work aimed to evaluate the grain chemical composition of six wheat genotypes subjected to heat stress during the vegetative and reproductive stages and to relate it to germination. Grains of six wheat genotypes were used in this study, cultivated in the Yaqui Valley, Sonora, in December 2020 and January and October 2021. The flour wa
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2

Shahid, Morvarid, Susan Han, Heather Yoell, and Jianping Xu. "Fitness distribution and transgressive segregation across 40 environments in a hybrid progeny population of the human-pathogenic yeast Cryptococcus neoformans." Genome 51, no. 4 (2008): 272–81. http://dx.doi.org/10.1139/g08-004.

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The opportunistic human fungal pathogen Cryptococcus neoformans includes two varieties, C. neoformans var. grubii and C. neoformans var. neoformans, which correspond to serotypes A and D, respectively. Recent population genetic studies revealed that multiple natural hybridizations have occurred recently between these two divergent lineages. However, the biological effects of such hybridizations are little understood. In this study, we used colony size as a proxy for vegetative fitness to examine the phenotypic effects of hybridization between these two lineages in a laboratory cross. Two genet
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3

Foolad, M. R., and G. Y. Lin. "Relationship Between Cold Tolerance during Seed Germination and Vegetative Growth in Tomato: Analysis of Response and Correlated Response to Selection." Journal of the American Society for Horticultural Science 126, no. 2 (2001): 216–20. http://dx.doi.org/10.21273/jashs.126.2.216.

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The genetic relationship between cold tolerance (CT) during seed germination and vegetative growth in tomato (Lycopersicon esculentum Mill.) was determined. An F2 population of a cross between accession PI120256 (cold tolerant during both seed germination and vegetative growth) and UCT5 (cold sensitive during both stages) was evaluated for germination under cold stress and the most cold tolerant progeny (the first 5% germinated) were selected. Selected progeny were grown to maturity and self-fertilized to produce F3 families (referred to as the selected F3 population). The selected F3 populati
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4

Cameron, J. Scott, and James F. Hancock. "Enhanced Vigor in Vegetative Progeny of Micropropagated Strawberry Plants." HortScience 21, no. 5 (1986): 1225–26. http://dx.doi.org/10.21273/hortsci.21.5.1225.

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Abstract Micropropagated mother plants of strawberry (Fragaria × ananassa Duchesne) often produce more flowers and runners than their runner-propagated counterparts (4, 5), but it is not clear how long this effect lasts. Swartz et al. (5) reported that the increase in runnering of tissue culture plants did not continue after the first flush of runner production in the field, and Marcotrigiano et al. (4) showed that, within the planting year, micropropagation increased runner production in mother plants and their primary runner plants, but not in attached secondary and tertiary runner plants. H
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5

Lebedev, Vadim. "The Rooting of Stem Cuttings and the Stability of uidA Gene Expression in Generative and Vegetative Progeny of Transgenic Pear Rootstock in the Field." Plants 8, no. 8 (2019): 291. http://dx.doi.org/10.3390/plants8080291.

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Adventitious rooting plays an important role in the commercial vegetative propagation of trees. Adventitious root formation is a complex biological process, but knowledge of the possible unintended effects induced by both the integration/expression of transgenes and in vitro conditions on the rooting is limited. The long-term stability of transgene expression is important both for original transformants of woody plants and its progeny. In this study, we used field-grown pear rootstock GP217 trees transformed with the reporter ß-glucuronidase (uidA) genes with and without intron and re-transfor
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6

Belanova, Anastasiya, and Ludmila Chindyaeva. "Naturalization of Prunus pensylvanica L.f. (Rosaceae) in Novosibirsk." BIO Web of Conferences 11 (2018): 00005. http://dx.doi.org/10.1051/bioconf/20181100005.

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Naturalization of the North American species Prunus pensylvanica has been revealed in Novosibirsk for the first time. This species was introduced in the city in the middle of the last century. It naturally regenerates vegetatively in the area of landscape objects and in dedrological collections and gives self-seeding. In local conditions it is characterized by fast growth, short pregenerative period, presence of abundant uneven-aged progeny, high vegetative mobility, and local population-forming ability.
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7

Labuschagné, Iwan F., J. H. Louw, Karin Schmidt, and Annalene Sadie. "Genetic Variation in Chilling Requirement in Apple Progeny." Journal of the American Society for Horticultural Science 127, no. 4 (2002): 663–72. http://dx.doi.org/10.21273/jashs.127.4.663.

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Genetic variation in chilling requirement was investigated over three growth periods using clonal progenies of six apple [Malus sylvestris (L.) Mill. var. domestica (Borkh.) Mansf.] families derived from crosses of high and low chill requiring cultivars. Two quantitative measurements related to chilling requirement, viz., the time of initial budbreak (vegetative and reproductive) and the number of breaking buds over a specified time interval, were used as evaluation criteria. Genetic and environmental variances of the traits are presented as intra-class correlation coefficients for clones with
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8

Matras-Zarzecka, Małgorzata, and Artur Zarzecki. "Variability of old Scots pine Pinus sylvestris L. vegetative progeny from the Augustowska Primeval Forests." Forest Research Papers 80, no. 1 (2019): 69–78. http://dx.doi.org/10.2478/frp-2019-0006.

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Abstract This study was carried out in the clone archive of old Scots pine Pinus sylvestris L. trees located in the Augustowska Primeval Forest. The aim of the study was to determine the intra-clonal diversity among quantitative and qualitative traits of the vegetative progeny of Scots pine trees older than 200 years. Our analyses included traits such as survival rate, height and diameter at breast height (DBH), stem straightness, length and width of the crowns as well as branch thickness and growth angle. There was no significant correlation between the age of mother trees and the traits of t
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9

Małgorzata, Matras-Zarzecka, and Zarzecki Artur. "Variability of old Scots pine Pinus sylvestris L. vegetative progeny from the Augustowska Primeval Forests." Lesne Prace Badawcze / Forest Research Papers 80, no. 1 (2019): 69–78. https://doi.org/10.2478/frp-2019-0006.

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This study was carried out in the clone archive of old Scots pine <em>Pinus sylvestris</em> L. trees located in the Augustowska Primeval Forest. The aim of the study was to determine the intra-clonal diversity among quantitative and qualitative traits of the vegetative progeny of Scots pine trees older than 200 years. Our analyses included traits such as survival rate, height and diameter at breast height (DBH), stem straightness, length and width of the crowns as well as branch thickness and growth angle. There was no significant correlation between the age of mother trees and the traits of t
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10

Norsworthy, Jason K. "Conventional Soybean Plant and Progeny Response to Glyphosate." Weed Technology 18, no. 3 (2004): 527–31. http://dx.doi.org/10.1614/wt-03-066r3.

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Field studies were conducted to determine the sensitivity of conventional ‘Motte’ and ‘Pioneer 9831’ soybean to simulated glyphosate drift rates applied during vegetative and reproductive development and the effect of glyphosate on progeny. Glyphosate at 8, 84, and 420 g ae/ha was applied to soybean at the V3, V6, R2, and R5 growth stages. Glyphosate at 8 and 84 g/ha did not reduce soybean plant population, growth, or yield or cause deleterious effects on progeny, regardless of the growth stage at application. Soybean population, growth, and yield were reduced as much as 99 to 100% after appli
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11

Wiltshire, R. J. E., J. B. Reid, and B. M. Potts. "Genetic Control of Reproductive and Vegetative Phase Change in the Eucalyptus risdonii - E. tenuiramis Complex." Australian Journal of Botany 46, no. 1 (1998): 45. http://dx.doi.org/10.1071/bt97020.

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Eucalyptus risdonii Hook.f. is believed to be a juvenilised form of its sister species, E. tenuiramis Miq., differing largely in the retention of the juvenile leaf type at reproductive maturity. The genetic basis of this ontogenetic variation was examined by monitoring reproductive and vegetative phase changes in 1201 open-pollinated progeny from 40 E. risdonii–E. tenuiramis populations in a field trial over 6 years. Vegetative and reproductive phase changes were highly heritable and genetically independent within populations. Estimates of individual narrow-sense heritabilities for height and
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12

Kester, D. E., K. A. Shackel, T. M. Gradziel, W. C. Micke, and M. Viveros. "Final Results of Propagation Experiments to Show Distribution of Noninfectious Bud-failure in `Carmel' Almond." HortScience 33, no. 3 (1998): 526c—526. http://dx.doi.org/10.21273/hortsci.33.3.526c.

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The distribution of the potential for noninfectious bud-failure (BFpot) was shown for the entire `Carmel' almond cultivar by propagating from single buds on single budsticks on individual trees of separate source blocks of commercial nurseries. Approximately 2700 progeny trees were grown at the same test site. The gradual increase in the expression of BF (Bfexp) in progeny trees from individual source trees shows a continuous range of latent BFpot among individual source trees directly correlated to five (or six) consecutive generations of vegetatively propagated source orchards. This pattern
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13

Kruger, Brian M., and Paul D. Manion. "Genetic control of Populus tremuloides sensitivity to metabolites of Hypoxylon mammatum." Canadian Journal of Botany 71, no. 10 (1993): 1276–79. http://dx.doi.org/10.1139/b93-152.

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Tissue culture plantlets derived from the vegetative buds of six aspen trees and from the seeds of controlled pollinations of these trees were bioassayed with culture filtrates from three isolates of Hypoxylon mammatum. Analysis of variance of parent and progeny bioassay responses revealed significant main effects and insignificant interaction, which suggests that metabolite sensitivity is a horizontally controlled trait. However, in certain crosses progeny response differed markedly from that of either parent. In these cases progeny were either far more or far less sensitive than the parents.
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14

Szyp-Borowska, Iwona, Catarina Banha, Tomasz Wojda, and Krystyna Szczygieł. "Micropropagation of black locust (Robinia pseudoacacia L.) and genetic stability of long term cultivated plants." Folia Forestalia Polonica 58, no. 1 (2016): 13–19. http://dx.doi.org/10.1515/ffp-2016-0002.

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AbstractThe study on thein vitromicropropagation ofRobinia pseudoacaciaL. shows the possibility of the rapid increase of the vegetative progeny using organogenesis. The culture system consists of sequential use of three media, namely, the initiation medium (MS medium supplemented with 0.6 mg · l−16-BA (6-benzylamino-purine), 0.1 mg · l−1NAA (naphthalene acetic acid), proliferation medium (1/2 MS medium added with 1 mg · l−16-BA,) and root-induction medium (1/2 MS medium fortified with 0.2 mg · l−1NAA). The resulting micropropagated plants, fully acclimatised to an in vivo environment, did not
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15

ILNITSKAYA, E. T., V. S. PETROV, G. YU ALEYNIKOVA, and M. A. NIKOLSKIY. "STUDY OF VEGETATIVE PROGENY OF CHARDONNAY VARIETY PROTOCLONS IN TAMAN CONDITIONS." Scientific Works of North Caucasian Federal Scientific Center of Horticulture Viticulture Wine-making 36 (July 2023): 143–47. http://dx.doi.org/10.30679/2587-9847-2023-36-143-147.

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16

Velisevich, Svetlana, Alexander Popov, and Sergei Goroshkevich. "Crown structure of 25-year-old Siberian stone pine grafts from mother trees of different ages." BIO Web of Conferences 11 (2018): 00043. http://dx.doi.org/10.1051/bioconf/20181100043.

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Inheritance of the age-specific traits of the Siberian stone pine crown structure by vegetative progeny was analyzed. Studies were carried out on 25-year-old grafts onto the same species seedlings as rootstocks. Scions for grafting were sampled from two groups of trees: young-mature (YM) and old growth (OG) trees in the southeast of the West Siberian Plain. The analysis of graft development showed that the YM trees had a significantly higher and thicker trunk, and their crowns were broader and denser due to a larger number of shoots. They multiplied by means of the branching feature due to the
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17

Borralho, Nuno M. G., and Peter J. Kanowski. "Correspondence of performance between genetically related clones and seedlings." Canadian Journal of Forest Research 25, no. 3 (1995): 500–506. http://dx.doi.org/10.1139/x95-056.

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The correspondence of the performance between genetically related vegetative propagules and seedlings, as expressed by the correlation between (1) rejuvenated propagules and seedling progeny of the same parent, (2) vegetative propagules and seedlings from the same family, and (3) seedlings and vegetative propagules taken from them, was investigated. In the absence of propagation effects, expected correlations improved with increasing additive variance and the number of seedlings and propagules tested, and ranged between moderate and high. Effects due to nonadditive genetic variance varied from
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18

Culley, Theresa M. "Inbreeding depression and floral type fitness differences in Viola canadensis (Violaceae), a species with chasmogamous and cleistogamous flowers." Canadian Journal of Botany 78, no. 11 (2000): 1420–29. http://dx.doi.org/10.1139/b00-115.

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Few studies of inbreeding depression have focused on species producing both showy, chasmogamous (CH) flowers and self-pollinated, cleistogamous (CL) flowers. The goals of this investigation were to measure the level of inbreeding depression in the North American violet, Viola canadensis L., and to determine if any fitness differences were linked to floral type (CH versus CL) rather than to cross type (self versus outcross). Hand pollinations were carried out to produce self- and outcross-pollinated CH progeny, and CL seeds were also collected. In a greenhouse, selfed and outcrossed CH flowers
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19

Yang, Xiaohua, Susan K. Brown, and Peter J. Davies. "The Content and In Vivo Metabolism of Gibberellin in Apple Vegetative Tissues." Journal of the American Society for Horticultural Science 138, no. 3 (2013): 173–83. http://dx.doi.org/10.21273/jashs.138.3.173.

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Despite the demonstrated importance of gibberellins (GAs) as regulators of fruit tree stature, information on their in vivo metabolism in apple vegetative tissues is still lacking. To determine whether the GA content and metabolism differs between dwarf and standard phenotypes and the influence of rootstocks, [14C]GA12, a common precursor of all GAs in higher plants, was applied to vigorously growing apple (Malus ×domestica) shoots collected from the scion cultivar Redcort on MM.106, a growth-promoting rootstock, and dwarf and standard seedlings on their own roots from progeny 806 (a cross bet
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20

Budzikur-Ramza, E., and M. Bartyńska. "From researches on the healthiness of gladiolus (Gladiolus sp. L.) corms in reproduction crops." Plant Protection Science 38, SI 2 - 6th Conf EFPP 2002 (2017): 325–28. http://dx.doi.org/10.17221/10481-pps.

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The results of laboratory and field tests are presented. An effect of the quality of vegetative reproduction material of gladiolus cultivar’s Wars on spouting and growing of young plants as well as on the healthiness and quality of progeny corms are analysed. In addition, corm diseases are diagnosed and corresponding pathogens are identified.
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21

Iwona, Szyp-Borowska, Banha Catarina, Wojda Tomasz, and Szczygieł Krystyna. "Micropropagation of black locust (Robinia pseudoacacia L.) and genetic stability of long term cultivated plants." FOLIA FORESTALIA POLONICA, SERIES A – FORESTRY 58, no. 1 (2016): 13–19. https://doi.org/10.1515/ffp-2016-0002.

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The study on the in vitro micropropagation of <em>Robinia pseudoacacia</em> L. shows the possibility of the rapid increase of the vegetative progeny using organogenesis. The culture system consists of sequential use of three media, namely, the initiation medium (MS medium supplemented with 0.6 mg &middot; l<sup>-1</sup> 6-BA (6-benzylamino-purine), 0.1 mg &middot; l<sup>-1</sup> NAA (naphthalene acetic acid), proliferation medium (1/2 MS medium added with 1 mg &middot; l<sup>-1</sup> 6-BA,) and root-induction medium (1/2 MS medium fortified with 0.2 mg &middot; l<sup>-1</sup> NAA). The resulti
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22

Bararpour, Taghi, and Te Ming Tseng. "Effect of Low Rate of Dicamba on Tomato (Solanum lycopersicum) at Different Growth Stages." Journal of Agricultural Science 15, no. 10 (2023): 9. http://dx.doi.org/10.5539/jas.v15n10p9.

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Tomatoes are highly sensitive to herbicides, and concerns have been raised regarding off-target movement of dicamba and 2,4-D with the advent of new technologies in crops like soybean and cotton. Greenhouse studies were conducted over two years to assess the effect of low rates of dicamba on tomatoes at different growth stages and investigate fruit contamination. Treatments included untreated controls and dicamba applied at 1/16X, 1/32X, 1/64X, and 1/128X rates with non-ionic surfactant (NIS). Tomato plants at three growth stages (vegetative, flowering, and fruiting) were evaluated for dicamba
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Cortesi, Paolo, and Michael G. Milgroom. "Genetics of Vegetative Incompatibility inCryphonectria parasitica." Applied and Environmental Microbiology 64, no. 8 (1998): 2988–94. http://dx.doi.org/10.1128/aem.64.8.2988-2994.1998.

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ABSTRACT Vegetative incompatibility in the chestnut blight fungus,Cryphonectria parasitica, in Europe is controlled by six unlinked vic loci, each with two alleles. Four previously identified vic loci (vic1, vic2,vic3, and vic4) were polymorphic in European vegetative compatibility (vc) types. Two new loci, vic6 andvic7, also were identified among European vc types. In one cross, vic genes segregated independently at five loci, and 194 progeny were assigned to 32 vc types; none of these loci were linked. A total of 64 vc types were identified from all crosses. All 64 genotypes possible from si
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24

Strope, Kerry M., and Mark S. Strefeler. "Analysis of Heat Tolerance in New Guinea Impatiens (Impatiens hawkeri) Utilizing Diallel Analysis." HortScience 32, no. 3 (1997): 499B—499. http://dx.doi.org/10.21273/hortsci.32.3.499b.

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Four heat-tolerant (`Celebration Cherry Red', `Celebration Rose', `Lasting Impressions Shadow', and `Paradise Moorea') and three non-heat-tolerant (`Lasting Impressions Twilight', `Danziger Blues', and `Pure Beauty Prepona') cultivars were identified using a Weighted Base Selection Index. These cultivars were used as parents in a full diallel crossing block with reciprocals and selfs. Progeny from five parents (25 crosses) were evaluated for heat tolerance. Four floral (fl ower number, flower diameter, flower bud number, and floral dry weight) and five vegetative characteristics (visual rating
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25

Bushnev, S. A., A. G. Gridnev, and G. I. Orekhov. "Influence of a complex of agrotechnical methods on yield qualities of F1 seeds of the hybrid Fakel in progeny (report II)." Oil Crops 188, no. 4 (2021): 53–60. http://dx.doi.org/10.25230/2412-608x-2021-4-188-53-60.

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The researches were conducted on fields of a farm “Berezanskoe”, Korenovsk district, Krasnodar region. Size of a plot is equal to 112 м 2 , in three replications. The object of the research was F1 seeds of interlinear sunflower hybrid Fakel produced in 2020 with different positive modifications on a hybridization plot. The seed were planted in 2021 to estimate impact of the positive modifications (methods) on yield and quality seeds of the hybrid Fakel in progeny. Two sowing rates (60 and 80 thousand per a га) were used to realize fully a yield potential of the hybrid. A certain positive impac
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26

Kumar, Satish. "Correlation between clonal means and open-pollinated seedling progeny means and its implications for radiata pine breeding strategy." Canadian Journal of Forest Research 36, no. 8 (2006): 1968–75. http://dx.doi.org/10.1139/x06-082.

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Open-pollinated (OP) offspring of individual genotypes are commonly used for estimating their breeding values in recurrent selection programmes. Alternatively, vegetative propagules of individual genotypes could also be used to evaluate their relative performance. However, the mean for the vegetative propagules of a genotype represents an estimate of its total genotypic value, and it may or may not be closely related to the general combining ability. The main objective of this study was to correlate the performance of a number of clones, propagated by fascicle cuttings in a clonal test, with t
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27

Konovalov, Vladimir F., Aigul A. Gabitova, Aydar К. Gabdelkhakov, Dina A. Rafikova, and El’vira R. Khanova. "Phenotypic Assessment of Clones of Scots Pine (Pinus sylvestris L.) Plus Trees in the Forest-Steppe Zone of the Bashkir Cis-Urals." Lesnoy Zhurnal (Forestry Journal), no. 4 (July 20, 2024): 9–25. http://dx.doi.org/10.37482/0536-1036-2024-4-9-25.

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An assessment of the main morphometric features of the ramets of clones of Scots pine plus trees in a comparative aspect has been carried out. The vegetative progeny of plus trees of the species are represented as part of a clonal plantation created in 2005 in the Dyurtyulinskiy forestry of the forest-steppe zone of the Republic of Bashkortostan in an area with the С2 type of forest growing conditions. Compliance with the breeding and genetic principle of phenotypic assessment of intraand intergroup differences in Scots pine clones and ramets, as well as methodical and methodological requireme
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28

Błażewicz-Woźniak, Marzena. "Vegetative reproduction and yield of bear garlic (<i>Allium ursinum</i> L.) in field cultivation." Acta Agrobotanica 77 (September 14, 2024): 1–14. http://dx.doi.org/10.5586/aa/190228.

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Bear garlic (&lt;i&gt;Allium ursinum&lt;/i&gt; L.) and its value for human health have been known for centuries. Its leaves, flowers, and bulbs contain many health-promoting compounds, and can be essential raw materials for the production of food and dietary supplements of natural origin. The purpose of the study was to evaluate the possibility of growing bear garlic in field conditions that differed significantly from those required by this plant, using unconventional treatments: catch crops (phacelia), shade plant (turnip rape), and biopreparations (Bio-Algeen S90 and Kelpak SL). The plowing
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Jati, Winggi Anggun, and Rujito Agus Suwignyo. "Growth Evaluation of Backcross Progenies BC2F1 Experiencing Submerg-ence and Non-submergence at BC1F1 and its Parents." BIOVALENTIA: Biological Research Journal 10, no. 1 (2024): 24–33. http://dx.doi.org/10.24233/biov.10.1.2024.431.

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The utilization of dual-resistant varieties that are resistant to soaking and drought in certain periods is an alternative to rice cultivation in swampy land. Inpara 8 is a variety that is confirmed to have SUB 1 gene, resistant to submerged stress and Inpago 5 is identified to be resistant to drought stress. Crosses were made between Inpara 8 (donor parent) with Inpago 5 (recipient parent), resulting in F1, then F1 was crossed back with Inpago 5 and produced BC1F1, then crossed back with Inpago 5 to become BC2F1. This paper contains an evaluation of the growth of BC2F1, which in the BC1F1 sta
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Ibitoye, D. O., and O. A. K. Olomide. "Vegetative Propagation of Cowpea [Vigna unguiculata (L.) Walp] for Increased Seed Production." Plant Breeding and Seed Science 74, no. 1 (2016): 93–97. http://dx.doi.org/10.1515/plass-2016-0018.

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Abstract Large number of parental plants are required during hybridization in order to generate enough progeny needed for evaluation. Cowpea is propagated through seeds, this increases the waiting period as the plant has to complete its juvenile phase before flowering. Asexual propagation approach was employed on cowpea using the vine cuttings of flowering plants. The vine cuttings were planted in sterilized top soil and they began flowering 14 days after cutting without adding fertilizer. Success was obtained using this method which increases the rate at which the hybrids needed for multi-loc
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Kester, Dale E., Kenneth A. Shackel, Warren C. Micke, Mario Viveros, and Thomas M. Gradziel. "Noninfectious Bud Failure in `Carmel' Almond: I. Pattern of Development in Vegetative Progeny Trees." Journal of the American Society for Horticultural Science 129, no. 2 (2004): 244–49. http://dx.doi.org/10.21273/jashs.129.2.0244.

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The spatial and temporal pattern of noninfectious bud failure (BF) expression (BFexp) was studied during seven growing seasons in a population of `Carmel' almond trees originating from twelve commercial propagation sources. All progeny trees were grown in a single experimental site with high prevailing summer temperatures. BFexp increased continuously but irregularly in each nursery population as measured as the proportion of trees showing BF and as an average BFexp rating. Populations from the 12 nurseries represented increasing clonal generations from the original seedling tree and showed in
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32

Ben Sadok, I., N. Moutier, G. Garcia, et al. "Genetic determinism of the vegetative and reproductive traits in an F1 olive tree progeny." Tree Genetics & Genomes 9, no. 1 (2012): 205–21. http://dx.doi.org/10.1007/s11295-012-0548-x.

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33

Kester, Dale E., Kenneth A. Shackel, Warren C. Micke, Mario Viveros, and Thomas M. Gradziel. "Noninfectious Bud Failure in `Carmel' Almond: I. Pattern of Development in Vegetative Progeny Trees." Journal of the American Society for Horticultural Science 129, no. 2 (2004): 244–49. https://doi.org/10.21273/jashs.129.2.244.

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The spatial and temporal pattern of noninfectious bud failure (BF) expression (BFexp) was studied during seven growing seasons in a population of `Carmel' almond trees originating from twelve commercial propagation sources. All progeny trees were grown in a single experimental site with high prevailing summer temperatures. BFexp increased continuously but irregularly in each nursery population as measured as the proportion of trees showing BF and as an average BFexp rating. Populations from the 12 nurseries represented increasing clonal generations from the original seedling tree and showed in
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34

Gradziel, Thomas M., and Mary Ann Thorpe. "489 Detection of Hidden Sectorial Chimeras in Almond Shoots through Distortions in Flower Symmetry." HortScience 34, no. 3 (1999): 529C—529. http://dx.doi.org/10.21273/hortsci.34.3.529c.

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Somatic mutations in shoot growing points, while considered relatively common in many horticultural clones, cannot be detected unless the mutation results in a distinguishable change and comes to occupy sufficient shoot area to be observable. Noninfectious bud-failure (BF) in almond, a genetic mutation which results in failure during early development of vegetative but not flower buds, behaves as a chimera in its incidence within an affected tree and in vegetative progeny from bud-failure prone clonal sources (i.e., vegetative lineage). Early stages of BF development are thought to occur as ve
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Cervantes, Marcella D., Xiaohui Xi, Danielle Vermaak, Meng-Chao Yao, and Harmit S. Malik. "The CNA1 Histone of the Ciliate Tetrahymena thermophila Is Essential for Chromosome Segregation in the Germline Micronucleus." Molecular Biology of the Cell 17, no. 1 (2006): 485–97. http://dx.doi.org/10.1091/mbc.e05-07-0698.

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Ciliated protozoans present several features of chromosome segregation that are unique among eukaryotes, including their maintenance of two nuclei: a germline micronucleus, which undergoes conventional mitosis and meiosis, and a somatic macronucleus that divides by an amitotic process. To study ciliate chromosome segregation, we have identified the centromeric histone gene in the Tetrahymena thermophila genome (CNA1). CNA1p specifically localizes to peripheral centromeres in the micronucleus but is absent in the macronucleus during vegetative growth. During meiotic prophase of the micronucleus
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36

Chang, Loong-sheng, and Chuang Tsai-young. "PAPAYA RINGSPOT VIRUS TOLERANCE AMONG DIVERSE PAPAYA GENOTYPES." HortScience 27, no. 6 (1992): 658f—658. http://dx.doi.org/10.21273/hortsci.27.6.658f.

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Open-pollinated progeny from 20 papaya (Carica papaya) cultivars, 2 Carica pubescens and 1 C. goudotiana were evaluated for vegetative growth and for tolerance to papaya ringspot virus under greenhouse and field condition. The artificial inoculation with the viral strain of severe mottle and necrosis symptom type was followed two months after germination. The survival rate and symptom development were significant difference among genotypes. Plant height was negatively correlated with viral survival rate; r =0.58** at greenhouse, and r =0.56** in the field, respectively. The direct ELISA(the co
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Vijayaraghavan, Y., and M. Kapoor. "Repeat-induced point mutations of HSP80 gene of Neurospora crassa: methylation of duplicated DNA sequences in the vegetative state." Biochemistry and Cell Biology 74, no. 1 (1996): 41–50. http://dx.doi.org/10.1139/o96-005.

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The process of repeat-induced point mutations (RIP) was used to disrupt the gene encoding the 80-kDa heat-inducible protein of Neurospora crassa. Germinated conidia of the wild-type recipient strain were electrotransformed with a plasmid containing a 7-kb fragment harbouring the complete hsp80 gene sequence. Some of the transformants with a duplication of hsp80 gene sequence showed extensive methylation of these sequences even in vegetatively growing cells. The presence of an extra gene copy in transformants of this type resulted in a marked reduction in the expression of this gene. Progeny of
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38

Narzyaev, V. V., R. N. Matveeva, O. F. Butorova, and Yu E. Shcherba. "Variability of Vegetative Progeny of Siberian Pine Plus Trees Certified for Stem or Seed Productivity." Lesnoy Zhurnal (Forestry Journal), no. 4 (July 10, 2019): 22–33. http://dx.doi.org/10.17238/issn0536-1036.2019.4.22.

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Milgroom, M. G., S. E. Lipari, and W. A. Powell. "DNA fingerprinting and analysis of population structure in the chestnut blight fungus, Cryphonectria parasitica." Genetics 131, no. 2 (1992): 297–306. http://dx.doi.org/10.1093/genetics/131.2.297.

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Abstract We analyzed DNA fingerprints in the chestnut blight fungus, Cryphonectria parasitica, for stability, inheritance, linkage and variability in a natural population. DNA fingerprints resulting from hybridization with a dispersed moderately repetitive DNA sequence of C. parasitica in plasmid pMS5.1 hybridized to 6-17 restriction fragments per individual isolate. In a laboratory cross and from progeny from a single perithecium collected from a field population, the presence/absence of 11 fragments in the laboratory cross and 12 fragments in the field progeny set segregated in 1:1 ratios. T
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Г.В., КУЗНЕЦОВА. "ВЕГЕТАТИВНОЕ И СЕМЕННОЕ ПОТОМСТВО РЕДКИХ ФОРМ СОСНЫ СИБИРСКОЙ В КРАСНОЯРСКОЙ ЛЕСОСТЕПИ". Сибирский лесной журнал, № 4 (30 серпня 2024): 3–10. http://dx.doi.org/10.15372/sjfs20240401.

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Представлены результаты исследования роста и генеративной структуры у вегетативного и семенного потомства редких форм сосны сибирской ( Pinus sibirica Du Tour) (кедра сибирского), созданных на территории опытного экспериментального хозяйства «Погорельский бор» в Красноярской лесостепи (Емельяновский район Красноярского края). Материнские деревья вегетативного потомства произрастают в оптимальных условиях для кедра сибирского в низкогорье Западного Саяна, семенного - в предгорье Хамар-Дабана бассейна оз. Байкал. Для редких форм деревьев кедра сибирского помимо двухлетнего семеношения характерно
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Gradziel, T. M., and W. Beres. "Semidwarf Growth Habit in Clingstone Peach with Desirable Tree and Fruit Qualities." HortScience 28, no. 10 (1993): 1045–47. http://dx.doi.org/10.21273/hortsci.28.10.1045.

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A single seedling exhibiting a semidwarf growth habit was found in an open-pollinated clingstone peach [Prunus persica (L.) Batsch] population. The growth habit was upright and open, with short, spur-like lateral branching. Tree size was about half that of its siblings as a result of shorter internodes. The total number of nodes on first-order branches was not significantly different from that on standard-sized trees. The semidwarf growth habit remained stable after vegetative propagation. Segregation in sexual progeny showed the trait to be highly heritable.
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Boyd, W. J. R., C. D. Li, C. R. Grime, et al. "Conventional and molecular genetic analysis of factors contributing to variation in the timing of heading among spring barley (Hordeum vulgare L.) genotypes grown over a mild winter growing season." Australian Journal of Agricultural Research 54, no. 12 (2003): 1277. http://dx.doi.org/10.1071/ar03014.

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Factors contributing to variation in heading date in spring barley were examined in several studies commencing with a survey of developmental variation in a large collection of genotypes and concluding with the molecular genetic analysis of 7 doubled haploid populations. Genotypes varied considerably in their specific responses to photoperiod and vernalisation, and in the duration of a pre-inductive (or juvenile) phase defined in this paper as a 'basic vegetative period'. The latter includes differential genotype responses to ambient temperature and their interaction with photoperiod. Combinat
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Dias, Nilma O., Tiyoko NH Rebouças, Abel R. São José, and Cláudio LF Amaral. "Morpho-agronomic characterization and estimates of genetic parameters in annatto plant." Horticultura Brasileira 35, no. 2 (2017): 242–46. http://dx.doi.org/10.1590/s0102-053620170214.

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ABSTRACT Originally from tropical America, annatto is an important source of natural dyes for food, pharmaceutical and textile industries, especially for the increasing demand of this pigment substituting artificial dyes. The aim of this study was to evaluate genotypic variation of annatto cultivar Embrapa 37, aiming to generate subsidies for breeding programs as well as to help out the producers using vegetative propagation of superior genotypes. Therefore, the morphological characterization was carried out and estimates of genetic and phenotypic parameters, for production and quality of the
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Anagnostakis, Sandra L., Baoshan Chen, Lynn M. Geletka, and Donald L. Nuss. "Hypovirus Transmission to Ascospore Progeny by Field-Released Transgenic Hypovirulent Strains of Cryphonectria parasitica." Phytopathology® 88, no. 7 (1998): 598–604. http://dx.doi.org/10.1094/phyto.1998.88.7.598.

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Strains of the chestnut blight fungus, Cryphonectria parasitica, have been genetically engineered to contain an integrated full-length cDNA copy of the prototypic virulence-attenuating hypovirus CHV1-EP713. Unlike natural hypovirulent C. parasitica strains, these transgenic hypovirulent strains are able to transmit virus to ascospore progeny under laboratory conditions. This ability provides the potential to circumvent barriers to cytoplasmic virus transmission imposed by the fungal vegetative incompatibility system. During July 1994, transgenic hypovirulent strains were introduced into a Conn
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Velisevich, S. N., and O. G. Bender. "Epigenetic and macrophysiological regulation of vegetative progeny crown morphogenesis of Siberian stone pine trees (Pinus sibirica Du Tour, Pinaceae) of different age." Проблемы ботаники Южной Сибири и Монголии 19, no. 1 (2020): 27–32. http://dx.doi.org/10.14258/pbssm.2020006.

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The influence of epigenetic (associated with the ontogenetic meristem maturity) and macrophysiological(related to the rootstock influence) factors on the age-related variability of Siberian stone pine crown morphogenesis hasbeen studied. The objects of study are 6-year-old vegetative progeny of juvenile (3–5 years), immature (20–60 years),generative (200–350 years) and senile (350–700 years) trees of different age (grooving in southern taiga subzone, north ofthe Ob-Tomsk interfluve) grafted onto a common young stock. The prevailing trends in the formation of the grafts crownare revealed: the c
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Adkins, Stephen W., Mary Loewen, and Stephen J. Symons. "Variation Within Pure Lines of Wild Oats (Avena fatua) in Relation to Temperature of Development." Weed Science 35, no. 2 (1987): 169–72. http://dx.doi.org/10.1017/s0043174500078991.

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Plants of dormant and nondormant wild oat (Avena fatuaL. # AVEFA) lines were grown under temperatures of 15, 20, and 25 C. A number of physiological and morphological characters in the plants and seed of both lines were influenced by temperature. Duration of dormancy in the progeny seed increased in both lines that had experienced low temperatures (15 C) during development, and decreased in seed of both lines that had experienced high temperatures (25 C) during development. High, compared to low, temperatures of development decreased plant height, vegetative and seed development time, seed num
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Smith, M. L., O. C. Micali, S. P. Hubbard, N. Mir-Rashed, D. J. Jacobson, and N. Louise Glass. "Vegetative Incompatibility in the het-6 Region of Neurospora crassa Is Mediated by Two Linked Genes." Genetics 155, no. 3 (2000): 1095–104. http://dx.doi.org/10.1093/genetics/155.3.1095.

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Abstract Non-self-recognition during asexual growth of Neurospora crassa involves restriction of heterokaryon formation via genetic differences at 11 het loci, including mating type. The het-6 locus maps to a 250-kbp region of LGIIL. We used restriction fragment length polymorphisms in progeny with crossovers in the het-6 region and a DNA transformation assay to identify two genes in a 25-kbp region that have vegetative incompatibility activity. The predicted product of one of these genes, which we designate het-6OR, has three regions of amino acid sequence similarity to the predicted product
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48

Kester, Dale E., and Ale E. Kester. "The Concept of “Foundation Clones” in Source Selection for Vegetative Propagation of Almond." HortScience 32, no. 3 (1997): 477F—478. http://dx.doi.org/10.21273/hortsci.32.3.477f.

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The term “clone” is a key biological term that designates a number of horticultural situations. In breeding, many cultivars are designated as clones, originating from consecutive vegetative propagation from individuals within a seedling population, from individual plants of a clone exhibiting “bud mutations,” and, more recently, from genetic engineering and biotechnology. Extensive vegetative propagation of a limited numbers of clones in modern horticultural systems has been accompanied by systemic incorporation by serious pathogens (viruses, viroids, phytoplasmas, etc.), and in some cases by
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Bowden, Robert L., and John F. Leslie. "Sexual Recombination in Gibberella zeae." Phytopathology® 89, no. 2 (1999): 182–88. http://dx.doi.org/10.1094/phyto.1999.89.2.182.

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We developed a method for inducing sexual outcrosses in the homothallic Ascomycete fungus Gibberella zeae (anamorph: Fusarium graminearum). Strains were marked with different nitrate nonutilizing (nit) mutations, and vegetative compatibility groups served as additional markers in some crosses. Strains with complementary nit mutations were cocultured on carrot agar plates. Ascospores from individual perithecia were plated on a minimal medium (MM) containing nitrate as the sole nitrogen source. Crosses between different nit mutants segregated in expected ratios (3:1 nit-:nit+) from heterozygous
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Karow, R. S., K. R. McNamara, and R. A. Forsberg. "Crown rust resistance in progeny from a derived tetraploid × natural tetraploid cross in Avena." Genome 29, no. 1 (1987): 206–8. http://dx.doi.org/10.1139/g87-035.

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The F1 plants and F2 and F3 populations obtained from a cross between the derived oat tetraploid C.I.7232 and natural tetraploid oat Avena barbata Pott. var. Excoimbra Se1.20 were evaluated for reaction to crown rust. The adult F2 plants exhibited a hypersensitive crown rust resistance reaction and were intermediate to their parents in other characteristics. The F2 and F3 seedling and adult plant populations differed in their response to the same mixture of crown rust races, i.e., a two gene segregation ratio at the seedling stage but only one gene segregation in adult plant tests. The resista
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