Academic literature on the topic 'Horticultural crop improvement (incl. selection and breeding)'
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Journal articles on the topic "Horticultural crop improvement (incl. selection and breeding)"
QUAMME, HARVEY A. "LOW-TEMPERATURE STRESS IN CANADIAN HORTICULTURAL PRODUCTION – AN OVERVIEW." Canadian Journal of Plant Science 67, no. 4 (October 1, 1987): 1135–49. http://dx.doi.org/10.4141/cjps87-153.
Full textHernandez, Christopher O., Lindsay E. Wyatt, and Michael R. Mazourek. "Genomic Prediction and Selection for Fruit Traits in Winter Squash." G3: Genes|Genomes|Genetics 10, no. 10 (August 19, 2020): 3601–10. http://dx.doi.org/10.1534/g3.120.401215.
Full textLuby, James J., and Douglas V. Shaw. "Plant Breeders' Perspectives on Improving Yield and Quality Traits in Horticultural Food Crops." HortScience 44, no. 1 (February 2009): 20–22. http://dx.doi.org/10.21273/hortsci.44.1.20.
Full textBhatta, Bed Prakash, and Subas Malla. "Improving Horticultural Crops via CRISPR/Cas9: Current Successes and Prospects." Plants 9, no. 10 (October 14, 2020): 1360. http://dx.doi.org/10.3390/plants9101360.
Full textMishra*, Smaranika, T. S. Aghora, and Senthil Kumar M. "Genetic variability, character association and path analysis for quantitative traits to breed vegetable type cluster bean (Cyamopsis tetragonoloba)." Indian Journal of Agricultural Sciences 90, no. 3 (June 22, 2020): 537–40. http://dx.doi.org/10.56093/ijas.v90i3.101470.
Full textMADHUMATHI, C., D. SRINIVASA REDDY, and B. HARI VARA PRASAD. "Genetic diversity in muskmelon (Cucumis melo)." Indian Journal of Agricultural Sciences 90, no. 5 (September 4, 2020): 934–37. http://dx.doi.org/10.56093/ijas.v90i5.104364.
Full textSherman, W. B., and J. Rodriquez-AJcazar. "Breeding of Low-chill Peach and Nectarine for Mild Winters." HortScience 22, no. 6 (December 1987): 1233–36. http://dx.doi.org/10.21273/hortsci.22.6.1233.
Full textParis, Harry S. "Consumer-oriented exploitation and conservation of genetic resources of pumpkins and squash, Cucurbita." Israel Journal of Plant Sciences 65, no. 3-4 (December 5, 2018): 202–21. http://dx.doi.org/10.1163/22238980-00001036.
Full textSaidaiah, P., S. R. Pandravada, and A. Geetha. "Per se Performance and Variability in Dwarf Roselle Germplasm for Yield and Yield Attributing Traits." International Journal of Bio-resource and Stress Management 12, no. 5 (August 31, 2021): 271–77. http://dx.doi.org/10.23910/1.2021.2203.
Full textIezzoni, Amy F., Jim McFerson, James Luby, Ksenija Gasic, Vance Whitaker, Nahla Bassil, Chengyan Yue, et al. "RosBREED: bridging the chasm between discovery and application to enable DNA-informed breeding in rosaceous crops." Horticulture Research 7, no. 1 (November 1, 2020). http://dx.doi.org/10.1038/s41438-020-00398-7.
Full textDissertations / Theses on the topic "Horticultural crop improvement (incl. selection and breeding)"
Ganeshan, Dharshini. "Cell selection, characterization and regeneration of chlorsulfuron-resistant variants in asparagus." Lincoln University, 1999. http://hdl.handle.net/10182/1871.
Full textChilderhouse, Emma. "The effect of a natural plant extract and synthetic plant growth regulators on growth, quality and endogenous hormones of Actinidia chinensis and Actinidia deliciosa fruit : a thesis presented in partial fulfilment of the requirements for the degree of Master of Science in Horticultural Science at Massey University, New Zealand." Massey University, 2009. http://hdl.handle.net/10179/1052.
Full text(9852200), BJ King. "Molecular techniques for the identification of triploid citrus." Thesis, 1995. https://figshare.com/articles/thesis/Molecular_techniques_for_the_identification_of_triploid_citrus/13424915.
Full text(7718969), N. Smith. "Aspects of seed germination and early growth in rainforest cabinet timber species." Thesis, 2002. https://figshare.com/articles/thesis/Aspects_of_seed_germination_and_early_growth_in_rainforest_cabinet_timber_species/13426841.
Full text(9847298), Zongjian Yang. "Resource allocation within plants: Some theoretical and practical implications for control of plant development." Thesis, 2003. https://figshare.com/articles/thesis/Resource_allocation_within_plants_Some_theoretical_and_practical_implications_for_control_of_plant_development/13424417.
Full text(8797670), Narda J. Trivino Silva. "Characterizing carrot microbiomes and their potential role in soil organic matter decomposition." Thesis, 2020.
Find full textPlant microbiomes are increasingly recognized for their potential to help plants with critical functions such as nutrient acquisition. Nitrogen is the most limiting nutrient in agriculture and growers apply substantial amounts to meet crop needs. Only 50% of N fertilizers are generally taken up by plants and the rest is subject to loss which negatively affects environmental quality. Organic fertilizers such as cover crops and animal manure can help reduce this loss, though these materials must mineralize via microbial mediated processes before they are available for plant uptake, which makes managing fertility using these sources difficult. Some plants can scavenge nutrients from organic materials by stimulating positive priming processes in soil. Carrot (Daucus carota. L) is known as an N scavenging crop, making it an ideal model crop to study these interactions. In a greenhouse trial, soils were amended with an isotopically labeled corn residue to track N movement, and planted with one of five carrot genotypes expected to differ in nitrogen use efficiency (NUE). Changes in soil b-glucosidase activity, ammonium (NH4+-N) and nitrate (NO3- -N) concentrations, soil bacterial community composition, weight and carbon and N concentrations, and total δ15N of above and below ground carrot biomass were determined. Results indicate that there are genetic differences in the ability of carrots to promote priming under N limited conditions, which could be exploited to enhance NUE in carrots. Soil microbial communities differed between genotypes, indicating that some of these microbes could play a role in the differential N scavenging responses observed, and/or contribute to other important functions such as resistance to pests. Endophytic microbes residing inside carrot taproots also have potential to contribute to NUE and other benefits, but are notoriously difficult to isolate and culture. New next generation sequencing technologies have revolutionized the study of microbiomes, though using these tools to study bacterial endophytes in plants is still difficult due to co-amplification of plant organelles. Consequently, a second study was conducted to determine if subjecting carrot tissues to hollow fiber microfiltration followed by enzymatic digestion could enhance recovery and amplification of bacterial endophytes. Carrot taproot digests were subject to amplification using a standard V3-V4 16S primer set, as well as two alternative (blocking and mismatch) primer sets that have prevented amplification of plastids/mitochondria in other plant species. Results indicate that the microfiltration/digestion procedure can increase the number of bacterial endophyte OTUs assigned and could be further optimized for use in carrots. The blocking and mismatch primer sets were not as effective in blocking co-amplification of plant products as they are in other studies, possibly due to the presence of a high number of chromoplasts in carrot tissues. Taxonomic assignment of bacterial endophytes differed significantly between the primer sets, indicating that multiple primer sets may be needed to fully characterize these communities in carrots. The enzymatic digestion procedure could artificially inflate certain taxa, which could be helpful if targeting specific taxa. These studies demonstrate that carrots are intimately connected with microbes residing in the soil and within their taproots, and further exploration of these plant-soil-microbial relationships could enhance the yield and sustainability of carrot production systems.
(9834818), Sachesh Silwal. "Comparative analysis of physiological and phenological traits of rice (Oryza sativa) under aerobic production systems in dry and wet tropics of Queensland, Australia." Thesis, 2017. https://figshare.com/articles/thesis/Comparative_analysis_of_physiological_and_phenological_traits_of_rice_Oryza_sativa_under_aerobic_production_systems_in_dry_and_wet_tropics_of_Queensland_Australia/13452425.
Full text(12298370), Alison S. Jensen. "Redefining pachymetra root rot management strategies and cultivar resistance in commercial sugarcane fields." Thesis, 2020. https://figshare.com/articles/thesis/Redefining_pachymetra_root_rot_management_strategies_and_cultivar_resistance_in_commercial_sugarcane_fields/19426862.
Full text(8797199), Blake A. Russell. "Trait Identification to Improve Yield and Nitrogen Use Efficiency in Wheat." Thesis, 2020.
Find full textWheat is a major source of calories and protein for humans worldwide. Wheat is the most widely grown crop, with cultivation areas and production systems on every continent. The cultivated land area is vast because of its importance and adaptability to various environmental conditions. Global wheat production has not kept up with the growing population, provoking the need to develop new methods and techniques to increase genetic gains. The first research chapter of this Ph.D. dissertation involves performing genome-wide association studies (GWAS) to identify and examine transferability of marker-trait associations (MTAs) across environments. I evaluated yield and yield components traits among 270 soft red winter (SRW) wheat varieties. The population consists of experimental breeding lines adapted to the Midwestern and eastern United States and developed by public university breeding programs. Phenotypic data from a two-year field study and a 45K-SNP marker dataset were analyzed by FarmCPU model to identify MTAs for yield related traits. Grain yield was positively correlated with thousand kernel weight, biomass, and grain weight per spike while negatively correlated with days to heading and maturity. Sixty-one independent loci were identified for agronomic traits, including a region that with –logP of 16.35, which explained 18% of the variation in grain yield. Using 12 existing datasets from other states and seasons, in addition to my own data, I examined the transferability of significant MTAs for grain yield and days to heading across homogenous environments. For grain yield and days to heading, I only observed 6 out of 28 MTAs to hold up across homogenous environments. I concluded that not all marker-trait associations can be detected in other environments.
In the second research chapter of this Ph.D. dissertation, I dissected yield component traits under contrasting nitrogen environments by using field-based low-throughput phenotyping. I characterized grain yield formation and quality attributes in soft red winter wheat. Using a split-block design, I studied responses of 30 experimental lines, as sub-plot, to high nitrogen and low nitrogen environment, as main-plot, for two years. Differential N environments were imposed by the application, or lack thereof, of spring nitrogen application in a field, following a previous corn harvest. In this study, I measured agronomic traits, in-tissue nitrogen concentrations, nitrogen use efficiency, nitrogen harvest index and end-use quality traits on either all or subset of the germplasm. My data showed that biomass, number of spikes and total grain numbers per unit area were most sensitive to low nitrogen while kernel weight remained stable across environments. Significant genotype x N-environment interaction allowed me to select N-efficient germplasm, that can be used as founding parents for a potential breeding population specifically for low-N environments. I did this selection on the basis of superior agronomic traits and the presence of the desirable gluten quality alleles such as Glu-A1b (2*) and Glu-D1d (5+10).