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Articles 1291 - 1320 of 1427
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Chamaecrista Rotundifolia - Environmental Weed Risk Assessment 2022, Department Of Primary Industries And Regional Development, Western Australia
Chamaecrista Rotundifolia - Environmental Weed Risk Assessment 2022, Department Of Primary Industries And Regional Development, Western Australia
Environmental Weed Risk Assessments
Introducing new plants to an area may have both positive and negative effects on the environment, economy and community. To minimise the negative environmental impact of introducing new agricultural species, DPIRD conducts a risk assessment procedure based on widely accepted scientific standards. This report assesses Wynn cassia, roundleaf cassia (Chamaecrista rotundifolia). Wynn cassis is an annual or short-lived, self-regenerating tropical legume.
Chloris Gayana - Environmental Weed Risk Assessment 2022, Department Of Primary Industries And Regional Development, Western Australia
Chloris Gayana - Environmental Weed Risk Assessment 2022, Department Of Primary Industries And Regional Development, Western Australia
Environmental Weed Risk Assessments
Introducing new plants to an area may have both positive and negative effects on the environment, economy and community. To minimise the negative environmental impact of introducing new agricultural species, DPIRD conducts a risk assessment procedure based on widely accepted scientific standards. This report assesses Rhodes grass (Chloris gayana). Rhodes grass (Chloris gayana) is a warm season or sub-tropical (C4) perennial grass which is both tufted and has stolons (runners). The degree of stoloniferous growth not only varies between varieties but can also vary between different environments and management practices. Vegetative growth is generally 30 to 100 cm in height, …
Mining And Analysis Of Chloroplast Simple Sequence Repeats (Ssrs) From Eight Species Of Aquilaria, Muhammad Syahmi Hishamuddin, Ahmad Syazwan Samsuddin, Rozi Mohamed
Mining And Analysis Of Chloroplast Simple Sequence Repeats (Ssrs) From Eight Species Of Aquilaria, Muhammad Syahmi Hishamuddin, Ahmad Syazwan Samsuddin, Rozi Mohamed
Turkish Journal of Botany
Aquilaria is a tropical forest tree, producer of the famed and expensive agarwood. Aggressive collection of agarwood put strain on the natural stands of Aquilaria species, sparking efforts to domesticate the tree and cultivate agarwood in plantations. However, tree domestication progress is hampered by the scarcity of genomic resources that is crucial for breeding programs. In this study, the complete chloroplast (cp) genome sequences from eight Aquilaria species were analyzed in silico. For identification of the simple sequence repeats (SSRs), MISA PERL script which had a repeat length of 12 for mononucleotides (mono-), 6 for dinucleotides (di-), 4 for trinucleotides …
Karyomorphology, Ploidy Analysis, And Flow Cytometric Genome Size Estimation Of Medicago Monantha Populations, Homa Zarabizadeh, Ghasem Karimzadeh, Sajad Rashidi Monfared, Saeed Tarkesh Esfahani
Karyomorphology, Ploidy Analysis, And Flow Cytometric Genome Size Estimation Of Medicago Monantha Populations, Homa Zarabizadeh, Ghasem Karimzadeh, Sajad Rashidi Monfared, Saeed Tarkesh Esfahani
Turkish Journal of Botany
Karayomorphological analysis and monoploid genome size (2Cx DNA) of 12 Iranian Medicago monantha populations are reported. Flow cytometric analysis were conducted on freshly collected seeds, using Solanum lycopersicum cv. Stupicke (2C DNA = 1.96 pg), as the internal reference standard. All populations were diploid with variable degrees of mixoploidy and two different chromosome numbers within each population. Totally, six chromosome numbers of 22, 28, 30, 32, 36, and 40 were identified. Twotyped chromosomes ("m", "sm") with a mean length of 1.65 µm (0.98-2.99 ?m) formed seven different karyotype formulas. Karyotypes were mostly symmetrical, implying the evolutionary effect of natural and …
Current Nomenclature And Systematics Of Capsella Medik. With Lectotypifications:Towards Solving The Puzzle, Yelda Güzel
Current Nomenclature And Systematics Of Capsella Medik. With Lectotypifications:Towards Solving The Puzzle, Yelda Güzel
Turkish Journal of Botany
The taxonomic history of Capsella Medik., one of the genera with the highest phenotypic plasticity, and thus the highest synonym number relative to the recognized species number, was reviewed. The current systematics of the genus was discussed and the exact number of taxa was determined. In light of the molecular and nomenclatural data, it was decided that the genus was represented around the world by five species and one hybrid. Considering the molecular studies that have been conducted over the 30 years it was concluded that the species of this genus are typical examples of the concept of cryptic species. …
Morphological And Molecular Characterization Of Banana Clones Growing In Turkey, Fi̇li̇z Baysal, Sezai̇ Erci̇sli̇
Morphological And Molecular Characterization Of Banana Clones Growing In Turkey, Fi̇li̇z Baysal, Sezai̇ Erci̇sli̇
Turkish Journal of Botany
This study was conducted to estimate genetic relationships among banana clones growing in Turkey via some morphological parameters and two molecular marker systems. In terms of yield parameters such as bunch weight, hand number, fruit weight, and total fruit number, Grand Nain (GN) clone came to the forefront with the highest values. It was followed by Azman (AZ), Dwarf Cavendish (DC), and Erdemli Yerli (EY) clones, respectively. To see the variation between clones more clearly, 24 RAPD (Random Amplified Polymorphic DNA) primers and 48 SRAP (Sequence Related Amplified Polymorphism) primer combinations were used in molecular analysis. The total number of …
An Ethnobotanical Review On Medicinal Plants Of The Lamiaceae Family In Turkey, Selami̇ Selvi̇, Ridvan Polat, Uğur Çakilcioğlu, Ferhat Celep, Tuncay Di̇rmenci̇, Zafer Füsün Ertuğ
An Ethnobotanical Review On Medicinal Plants Of The Lamiaceae Family In Turkey, Selami̇ Selvi̇, Ridvan Polat, Uğur Çakilcioğlu, Ferhat Celep, Tuncay Di̇rmenci̇, Zafer Füsün Ertuğ
Turkish Journal of Botany
Medicinal plants have been used by humans for the treatment of various diseases for thousands of years from past to present. Members of the Lamiaceae family are among the most preferred medicinal plants due to the wide variety of secondary components they contain, particularly essential oils. In this review, Master?s and PhD theses and books based on ethnobotanical studies investigated between 1960 and 2021 as well as internationally recognized databases (PubMed, Scopus, Google Scholar, Web of Science, SciFinder, Springer and Elsevier) were used to determine the medicinal uses of Lamiaceae taxa among the people in Turkey. As a result of …
Molecular Analysis Of The Section Sphagnum (Sphagnaceae): First Study On Turkish Bryophytes Using Nucleotide Sequences Of The Trnl Intron Region, Mesut Kirmaci, Asli Semi̇z, Adi̇le Sari, Özden Özgün Acar, Uğur Çatak, Fulya Fi̇li̇z
Molecular Analysis Of The Section Sphagnum (Sphagnaceae): First Study On Turkish Bryophytes Using Nucleotide Sequences Of The Trnl Intron Region, Mesut Kirmaci, Asli Semi̇z, Adi̇le Sari, Özden Özgün Acar, Uğur Çatak, Fulya Fi̇li̇z
Turkish Journal of Botany
The genus Sphagnum is one of the richest taxa among the Turkish bryophytes. Up to now, it has been represented by 27 taxa in six sections (Sphagnum, Acutifolia, Squarrosa, Subsecunda, Cuspidata, and Rigida). In this study, an identification key for the section Sphagnum was prepared, and the section was investigated using phylogenetic analyses, with a main focus on Turkish bryophytes. This study provides the first sequence data of the trnL intron region for five species of the section Sphagnum from Turkey (namely S. centrale, S. divinum, S. medium, S. palustre, and S. papillosum) to be used in future studies and …
Taxonomy And Phylogeny Of A New Species Of Pseudocercospora On Solanum Nigrum From India, Archana Singh, Sanjay Yadav, Raghvendra Singh, Nawal Dubey
Taxonomy And Phylogeny Of A New Species Of Pseudocercospora On Solanum Nigrum From India, Archana Singh, Sanjay Yadav, Raghvendra Singh, Nawal Dubey
Turkish Journal of Botany
A new species Pseudocercospora solanicola is discovered causing severe leaf spot disease on Solanum nigrum from Sonebhadra. Species is described and illustrated based on morphology, molecular sequence analysis and phylogeny of the large subunit (LSU) and internal transcribed spacer region of the nuclear ribosomal RNA (rRNA) gene. Morphologically, new species has similarity with allied species in Pseudocercospora but differs in having black circular, velvety leaf spot and size of stromata, conidia and conidiophores. A key to Pseudocercospora species on Solanum has been provided.
Lamium Cappadocicum, A New Species From Central Anatolia, Turkey: Evidence From Molecular And Morphological Studies, Ferhat Celep, Fergan Karaer, Bryan T. Drew
Lamium Cappadocicum, A New Species From Central Anatolia, Turkey: Evidence From Molecular And Morphological Studies, Ferhat Celep, Fergan Karaer, Bryan T. Drew
Turkish Journal of Botany
Lamium is a taxonomically convoluted genus of about 34 species. Within Lamium, the L. garganicum species complex is particularly challenging. Here, based on morphological and molecular studies, Lamium cappadocicum Celep & Karaer sp. nova (Lamiaceae) is separated from L. garganicum and L. bilgilii and described as a new species, and L. garganicum subsp. rectum (= L. garganicum subsp. pulchrum) is resurrected. The new species is only known from the Hasan Mountain (Aksaray) in Central Anatolia, Turkey. Lamium cappadocicum is closely related to L. garganicum subsp. rectum but differs from it by its mat-forming caespitose habit, reniform (rarely ovate …
Understanding The Perceptions Of Producers Regarding The Ogallala Aquifer Use: A Survey Report (2022), Jonathan Aguilar, Amariah Fischer, Matthew R. Sanderson
Understanding The Perceptions Of Producers Regarding The Ogallala Aquifer Use: A Survey Report (2022), Jonathan Aguilar, Amariah Fischer, Matthew R. Sanderson
Kansas Agricultural Experiment Station Research Reports
This survey asked producers in the Ogallala aquifer how they view their role in groundwater use, what they see as the consequences of groundwater depletion, and why they believe groundwater should be conserved. Producers were also asked about their worldviews and values. Together, these questions help provide an understanding of the cultural state of the Ogallala aquifer, especially as it pertains to groundwater use.
Vegetation And Animal Production In Pastures Sprayed For Western Ragweed Control, Keith Harmoney, John Jaeger
Vegetation And Animal Production In Pastures Sprayed For Western Ragweed Control, Keith Harmoney, John Jaeger
Kansas Agricultural Experiment Station Research Reports
Western ragweed (Ambrosia psilostachya) is a common native forb found throughout Kansas native rangelands and in some seeded pastures. Over time, western ragweed can form dense colonies from growth of lateral creeping rootstalks with multiple buds that can initiate new growth and form an upright stem and plant. Past research has shown that western ragweed does not compete with native grass production until ragweed contributes over approximately 35% of the forage dry matter of a pasture area. Cattle have utilized western ragweed in past long-term historical grazing trials. In a previous long-term trial at Hays, KS, western ragweed …
Interseeding Sorghum-Sudangrass Into Perennial Cool-Season Western Wheatgrass Pasture, Keith Harmoney, John Guretzky
Interseeding Sorghum-Sudangrass Into Perennial Cool-Season Western Wheatgrass Pasture, Keith Harmoney, John Guretzky
Kansas Agricultural Experiment Station Research Reports
Conversion of pastureland into cropland has occurred at a rapid rate on the Great Plains. A reduction in total acreage of pastureland from this conversion has resulted in a decline of total numbers of beef cows in the same region. One method to mitigate the decline in cow numbers is to increase the carrying capacity of the remaining pastureland acres. To achieve this goal, a study was conducted to introduce warm-season annual grass species into perennial cool-season grass pastures to increase dry matter production during the mid-summer time period that perennial cool-season grasses would be most dormant. An increase in …
Herbicide Activity On Old World Bluestems, Keith Harmoney
Herbicide Activity On Old World Bluestems, Keith Harmoney
Kansas Agricultural Experiment Station Research Reports
Two main species of old world bluestems (OWB), yellow bluestem (Bothriochloa ischaemum) and Caucasian bluestem (Bothriochloa bladhii), have encroached on rangelands, pastures, and road right-of-ways in Kansas. Patches of these OWB have been shown to reduce species diversity and abundance at multiple trophic levels, and pose a long-term threat to native plant, insect, rodent, and grassland bird populations. These OWB species are utilized by cattle early in the growing season, directly following prescribed burns, and during droughts when other forages lack water uptake and may go dormant. However, these OWB species mature more quickly than native …
Reclaiming Old World Bluestem Pasture With Imazapyr Application And Native Grass Overseeding, Keith Harmoney
Reclaiming Old World Bluestem Pasture With Imazapyr Application And Native Grass Overseeding, Keith Harmoney
Kansas Agricultural Experiment Station Research Reports
Old world bluestems (OWB), mainly Caucasian bluestem (Bothriochloa bladhii) and yellow bluestem(Bothriochloa ischaemum)introduced from parts of eastern Europe, Asia, Africa, and Australia, have been shown to reduce abundance and diversity of some insect and wildlife species compared to native grasses when these OWB grasses form dense stands. These OWBs have been invading native pastures in the southern Great Plains and are rapidly increasing in the amount of area occupied in Kansas. Two landowners purchased pasture property in Ellsworth County, KS, and observed that Caucasian old world bluestem had increased in the pasture significantly over the course …
Roundup 2022: Agricultural Research Center-Hays
Roundup 2022: Agricultural Research Center-Hays
Kansas Agricultural Experiment Station Research Reports
Roundup is the major beef cattle education and outreach event sponsored by the Kansas State University Agricultural Research Center - Hays. This report communicates timely, applicable research information on beef production and rangeland topics.
Bermudagrass Under Different Fertility And Harvest Management Practices, B. C. Pedreira, D. Helwig, M. Haywood, J. K. Farney, G. Sassenrath
Bermudagrass Under Different Fertility And Harvest Management Practices, B. C. Pedreira, D. Helwig, M. Haywood, J. K. Farney, G. Sassenrath
Kansas Agricultural Experiment Station Research Reports
A second year of a bermudagrass fertility study was conducted at the K-State Research and Experiment Station outside of Columbus, KS, in 2021. The purpose of the study was to simulate forage producers’ practices of managing bermudagrass and determine how each practice affected forage production and quality.
Fertilization Management To Improve Stockpiled Tall Fescue In The Fall, B. C. Pedreira, D. Helwig, M. Haywood, J. K. Farney, G. Sassenrath
Fertilization Management To Improve Stockpiled Tall Fescue In The Fall, B. C. Pedreira, D. Helwig, M. Haywood, J. K. Farney, G. Sassenrath
Kansas Agricultural Experiment Station Research Reports
In 2019 and 2021, a tall fescue fertility study was conducted at the K-State Experiment Station near Columbus, KS. The purpose of the study was to determine the effect of summer fertilization on forage quality and quantity in stockpiled fescue. If a producer can stockpile high-quality forage for late fall and early winter grazing, protein supplementation may not be necessary for fall calving cows.
Southeast Kansas Winter Wheat Variety Test Results - 2021, G. Sassenrath, L. Mengarelli, J. Lingenfelser, X. Lin
Southeast Kansas Winter Wheat Variety Test Results - 2021, G. Sassenrath, L. Mengarelli, J. Lingenfelser, X. Lin
Kansas Agricultural Experiment Station Research Reports
This is a summary of the winter wheat production conditions in southeast Kansas in 2020-2021 and the results of the winter wheat variety testing. Wheat production in 2021 benefited from dry conditions at planting and harvest. Overall yields were above multi-year averages. As in previous years, soft red winter wheat out-yielded hard red winter wheat varieties.
Evaluation Of Implants, Clover, And Fescue Variety On Stocker Steers – Year 2, J. K. Farney, M. Frahm, S. Strnad, T. Bottorff
Evaluation Of Implants, Clover, And Fescue Variety On Stocker Steers – Year 2, J. K. Farney, M. Frahm, S. Strnad, T. Bottorff
Kansas Agricultural Experiment Station Research Reports
Sixty-four growing steers were used in a split-plot experiment, where the whole plot was pasture, and the split-plot was the implant level. Whole plot treatment was a 4 × 2 factorial with four levels of fescue (High Endophyte, Low Endophyte, Novel, or Endophyte Free) and two levels of legume (Legumes or No Legumes). The split-plot included four implant levels (No Implant, Synovex One Grass, Revalor-G, or Ralgro). Data collected were weights, hair coat scores, hair length, rectal temperature (every 28 days), and ultrasound carcass characteristics when steers were coming off grass. Steers on High Endophyte had the lowest average daily …
Field Station Weather Reports, E. Adee, M. Sittel
Field Station Weather Reports, E. Adee, M. Sittel
Kansas Agricultural Experiment Station Research Reports
This report includes the annual summary of precipitation from 2021 at the research locations represented in the 2022 field report and further details about the Kansas River Valley locations and the east central Kansas locations.
Effect Of Late Planting Dates On Corn Yield, E. Adee
Effect Of Late Planting Dates On Corn Yield, E. Adee
Kansas Agricultural Experiment Station Research Reports
Planting date studies have been conducted for corn over many years. Often the focus has been to determine optimum planting date for maximizing yield. In some areas, planting early-maturing corn hybrids as early as possible has been a successful strategy for avoiding hot, dry conditions at the critical pollination and early grain fill stages. Planting later can be an alternative strategy that attempts to avoid the most intense heat by moving the critical growth stages for corn centered around pollination to later in the growing season. This strategy has been adopted by some growers in areas that often encounter heat …
Corn Tiller Yield Contributions Are Dependent On Environment: A 17 Site-Year Kansas Study, R. L. Veenstra, D. Berning, P. Carter, S. Wallace, M. Legleiter, L. Currie, C. D. Messina, P. V. Vara Prasad, T. J. Hefley, L. A. Haag, I. A. Ciampitti
Corn Tiller Yield Contributions Are Dependent On Environment: A 17 Site-Year Kansas Study, R. L. Veenstra, D. Berning, P. Carter, S. Wallace, M. Legleiter, L. Currie, C. D. Messina, P. V. Vara Prasad, T. J. Hefley, L. A. Haag, I. A. Ciampitti
Kansas Agricultural Experiment Station Research Reports
Historic breeding efforts in corn (Zea maysL.) have resulted in uniform, single-stalked phenotypes with limited potential for environmental plasticity. Therefore, plant density is a critical yield component for corn, as corn is unable to successfully compensate for a deficit of plants. Other grass crop species can overcome plant density deficits via vegetative branching (tillering), but this trait is historically undesirable in corn. Improving corn flexibility across plant densities has potential benefits, particularly considering diverse yield environments and seasonal weather uncertainties due to climate change. The present study evaluated tiller presence with two hybrids in a range of plant …
How Relevant Is High-Cadence Earth Observation For Maize Crop Phenology Classification?, L. Nieto, R. Houborg, A. Zajdband, A. Jumpasut, P. V. Vara Prasad, B. J. S. C. Olson, I. A. Ciampitti
How Relevant Is High-Cadence Earth Observation For Maize Crop Phenology Classification?, L. Nieto, R. Houborg, A. Zajdband, A. Jumpasut, P. V. Vara Prasad, B. J. S. C. Olson, I. A. Ciampitti
Kansas Agricultural Experiment Station Research Reports
Crop phenology can be defined as the study of biological processes such as emergence, flowering, and senescence that are associated with and affected by environmental growing conditions. The ability to reliably detect crop phenology and its spatial-temporal variability is critical for farmers, policymakers, and government agencies, since it has implications for the entire food chain. Currently, two methods are the most used to report crop phenology. Land surface phenology provides insight into the overall trend, whereas USDA-NASS weekly reports provide insight into the development of specific crops at the regional level. High-cadence earth observations may be able to improve the …
Effect Of Early Planting On Soybean Yield, E. Adee, S. Dooley
Effect Of Early Planting On Soybean Yield, E. Adee, S. Dooley
Kansas Agricultural Experiment Station Research Reports
In an effort to increase soybean yield potential, early planting dates have been promoted as a management practice that can increase soybean yields. Early planting of soybeans can be a relative term, meaning late April/early May for some soybean producers in Kansas. For the purpose of this study, the definition of early planted soybeans is late March/early April. Theoretically, the earlier planting date could allow for more vegetative growth and absorption of more light before blooming, increasing the yield potential. With the improvement of soybean seed treatments to protect seed when emergence is slowed due to cool and wet conditions, …
Soybean Seed Yield Productivity And Biological Nitrogen Fixation In Kansas, L. F. A. Almeida, A. A. Correndo, E. Adee, S. Dooley, I. A. Ciampitti
Soybean Seed Yield Productivity And Biological Nitrogen Fixation In Kansas, L. F. A. Almeida, A. A. Correndo, E. Adee, S. Dooley, I. A. Ciampitti
Kansas Agricultural Experiment Station Research Reports
Soybean [Glycine max(L.) Merr.] productivity (seed yield) and biological nitrogen fixation (BNF) were evaluated in response to different fertilization strategies. The study comprised four different locations in Kansas during the 2021 growing season, two irrigated (Topeka and Scandia) and two dryland (Kiro and Ashland Bottoms) sites. Greater seed yields were recorded in Topeka and Kiro (80 bu/a) relative to Scandia (55 bu/a) and Ashland Bottoms (51 bu/a), without observing fertilizer effects on yields. Overall, the relative abundance of ureides (% RAU), an indicator of the level of BNF, increased as the crop matured and showed a negative association …
Wheat Yield Response To Nitrogen Rate Depends On Foliar Fungicide Application, R. P. Lollato, L. O. Pradella, N. Giordano, L. Ryan, L. M. Simão, J. R. Soler
Wheat Yield Response To Nitrogen Rate Depends On Foliar Fungicide Application, R. P. Lollato, L. O. Pradella, N. Giordano, L. Ryan, L. M. Simão, J. R. Soler
Kansas Agricultural Experiment Station Research Reports
Nitrogen (N) and fungicide are among the most important factors impacting wheat yields in Kansas. However, there is limited information on whether foliar fungicides interact with N rates in wheat yield determination. Thus, our objectives were to evaluate wheat yield as impacted by different N rates with or without the use of foliar fungicide. One field experiment was established using a factorial structure of five N rates (0, 30, 60, 90, and 120 pounds of N per acre) by two fungicide management practices (either absent or 13 fluid ounces per acre of Nexicor) in a split-plot design near Hutchinson, KS, …
Increasing Winter Wheat Grain Yield By Replicating The Management Adopted In High-Yielding Commercial Fields, L. Ryan, L. A. Haag, J. D. Holman, R. P. Lollato
Increasing Winter Wheat Grain Yield By Replicating The Management Adopted In High-Yielding Commercial Fields, L. Ryan, L. A. Haag, J. D. Holman, R. P. Lollato
Kansas Agricultural Experiment Station Research Reports
Large winter wheat yield gaps between farmer yields and yield potential in the southern Great Plains indicate the need to improve recommendations of best management strategies to profitably bridge this gap. Many studies have been completed on individual management factors pre-determined by the individual researcher, but we are not aware of studies comparing combination of practices that producers are currently using, which would be more relevant for real-world scenarios. Our objective was to determine the yield gains resulting from management intensification using combination of practices currently adopted in commercial wheat fields. Four management intensities (i.e., Low, Average, High, and Top) …
Winter Wheat Response To Timing Of Fungicide Application During The 2020–2021 Growing Season, G. Cruppe, N. Giordano, L. M. Simão, L. Ryan, L. O. Pradella, J. R. Soler, R. P. Lollato
Winter Wheat Response To Timing Of Fungicide Application During The 2020–2021 Growing Season, G. Cruppe, N. Giordano, L. M. Simão, L. Ryan, L. O. Pradella, J. R. Soler, R. P. Lollato
Kansas Agricultural Experiment Station Research Reports
Foliar fungicides applied at the flag leaf stage can improve wheat grain yield in Kansas, but there is limited information on the impact of earlier or combined applications of fungicide on wheat grain yield. We conducted a field study in six Kansas locations during the 2020–2021 growing season to evaluate the yield and test weight of the winter wheat variety WB-Grainfield in response to different fungicide application timings. The trial was conducted in a randomized complete block design with four replications to evaluate (1) a non-treated control; Topguard applied at 5 ounces per acre at (2) jointing, (3) heading; and …
Wheat Variety-Specific Response To Seeding Rate Under Intensive Management Conditions In Western Kansas In 2020–2021, R. P. Lollato, N. Giordano, L. Ryan, L. M. Simão, J. R. Soler, L. O. Pradella
Wheat Variety-Specific Response To Seeding Rate Under Intensive Management Conditions In Western Kansas In 2020–2021, R. P. Lollato, N. Giordano, L. Ryan, L. M. Simão, J. R. Soler, L. O. Pradella
Kansas Agricultural Experiment Station Research Reports
Wheat response to seeding rate is variable and depends on resource availability during the growing season (e.g., fertility, moisture, and temperature). Our objective was to evaluate winter wheat population and grain yield responses to seeding rate and its interaction with variety in a highly-managed production system where manageable stresses were limited. This study was established to evaluate the response of the wheat varieties Joe, WB-Grainfield, Langin, and LCS Revere to five seeding rates ranging from 200,000 to 1,000,000 seeds per acre. The site was managed by growers that consistently win state and national wheat yield contests near Leoti, KS. The …