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Ornamental Plant and Weed Response to Oxyfluorfen Plus Prodiamine 观赏植物和杂草对氧氟草醚和丙二胺的反应
IF 1 4区 农林科学
Horttechnology Pub Date : 2024-06-01 DOI: 10.21273/horttech05372-23
J. Aulakh, Anthony Witcher, Vipan Kumar
{"title":"Ornamental Plant and Weed Response to Oxyfluorfen Plus Prodiamine","authors":"J. Aulakh, Anthony Witcher, Vipan Kumar","doi":"10.21273/horttech05372-23","DOIUrl":"https://doi.org/10.21273/horttech05372-23","url":null,"abstract":"Ornamental plant and weed response to oxyfluorfen + prodiamine herbicide was evaluated in Connecticut and Tennessee, USA, in 2017 and 2018. Preemergence application of oxyfluorfen + prodiamine was made at 0 lb/acre, 2 + 0.75 lb/acre, 4 + 1.5 lb/acre, and 8 + 3 lb/acre to container-grown ornamental plants on an outdoor gravel pad and weeds in greenhouse experiments. Ornamental plants were treated first within a week after transplanting and again 6 weeks after the first treatment. Asiatic jasmine (Trachelospermum asiaticum), candlestick plant (Senna alata), and English ivy (Hedera helix) in Tennessee, USA; and ‘Blue Flag’ iris (Iris sp.), ‘Firecracker’ gladiolus (Gladiolus sp.), and ‘Green Carpet’ Japanese pachysandra (Pachysandra terminalis) in Connecticut, USA, were not injured with oxyfluorfen + prodiamine regardless of rate applied. Lily-of-the-Nile (Agapanthus africanus) in Tennessee, USA, and ‘Bowles’ periwinkle (Vinca minor) in Connecticut, USA, showed minor but commercially acceptable growth reduction with oxyfluorfen + prodiamine up to 4 + 1.5 lb/acre. Shasta daisy (Leucanthemum ×superbum) in Connecticut, USA, was the most sensitive ornamental plant. After the first application, average necrotic injury to Shasta daisy varied from 24% with 2 + 0.75 lb/acre to 31% with 8 + 3 lb/acre of oxyfluorfen + prodiamine. After the second application, necrotic injury was ≤ 5% with all oxyfluorfen + prodiamine rates tested and was commercially acceptable (≤ 20%). Oxyfluorfen + prodiamine reduced densities of creeping woodsorrel (Oxalis corniculata), hairy bittercress (Cardamine hirsuta), giant foxtail (Setaria faberi), and large crabgrass (Digitaria sanguinalis) ≥ 80% by 4 weeks after treatment. The fresh weed biomass 6 weeks after treatment indicated an 88% to 99% reduction compared with the untreated control.","PeriodicalId":13144,"journal":{"name":"Horttechnology","volume":null,"pages":null},"PeriodicalIF":1.0,"publicationDate":"2024-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141232099","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"农林科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Comparison of United States Consumers’ Perceptions and Willingness to Pay for Sustainable Environmental Practices in the Retail Floral Industry Based on Geographical Regions 基于地理区域的美国消费者对花卉零售业可持续环境实践的看法和支付意愿比较
IF 1 4区 农林科学
Horttechnology Pub Date : 2024-06-01 DOI: 10.21273/horttech05392-24
Coleman L. Etheredge, T. M. Waliczek, James DelPrince
{"title":"Comparison of United States Consumers’ Perceptions and Willingness to Pay for Sustainable Environmental Practices in the Retail Floral Industry Based on Geographical Regions","authors":"Coleman L. Etheredge, T. M. Waliczek, James DelPrince","doi":"10.21273/horttech05392-24","DOIUrl":"https://doi.org/10.21273/horttech05392-24","url":null,"abstract":"With an increase in social awareness of environmental degradation and the need to conserve resources while reducing greenhouse gas emissions, consumers have become increasingly concerned about the environmental standards of the industries from which they purchase products. This has motivated industries to restructure their business model to one that is more environmentally sustainable. Research of consumers’ floral purchasing habits based on geographic regions found that these habits varied depending on the region where they lived. The main purpose of this study was to investigate US consumers’ perceptions and willingness to pay as they relate to retail floral providers’ environmentally sustainable practices based on the geographical region where the consumer lives within the United States. The results indicated differences in the way respondents answered questions based on the geographical region where they live. However, regardless of the US region where the respondents live, from the list of sustainable attributes covered in this study, respondents indicated the use of locally sourced flowers and composting of floral waste as the two sustainable attributes with the most perceived value to consumers. The findings of this study indicate that floral providers that have incorporated any type of sustainable attribute into their businesses should be promoting this to the public. Floral providers located in the West and Northeast regions of the United States should especially consider emphasizing sustainable attributes within their business because consumers in these regions indicated that they were most willing to pay premiums for sustainable practices. Additionally, floral providers in the West should consider sourcing and promoting the use of fair-trade materials to their customers.","PeriodicalId":13144,"journal":{"name":"Horttechnology","volume":null,"pages":null},"PeriodicalIF":1.0,"publicationDate":"2024-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141229163","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"农林科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Identifying Species of Pathogens Causing Bitter Rot of Apples in Illinois and Efficacy of Fungicides for Managing the Disease 确定导致伊利诺伊州苹果苦腐病的病原体种类以及杀真菌剂对该病的防治效果
IF 1 4区 农林科学
Horttechnology Pub Date : 2024-04-01 DOI: 10.21273/horttech05377-23
Festus Acheampong, Andrew N. Miller, M. Babadoost
{"title":"Identifying Species of Pathogens Causing Bitter Rot of Apples in Illinois and Efficacy of Fungicides for Managing the Disease","authors":"Festus Acheampong, Andrew N. Miller, M. Babadoost","doi":"10.21273/horttech05377-23","DOIUrl":"https://doi.org/10.21273/horttech05377-23","url":null,"abstract":"Outbreaks of bitter rot disease occurred in Illinois apple (Malus ×domestica) orchards during 2010–20. This study was conducted to assess the incidence of bitter rot in commercial apple orchards in Illinois, identify pathogen species that cause bitter rot, and evaluate the efficacy of fungicides for managing the disease. Orchard surveys conducted during 2019–21 showed that fruits with bitter rot were present in most of the orchards in southern and central Illinois, whereas only a few orchards in the northern part of the state had symptomatic fruits. A total of 270 isolates of the pathogens were collected from symptomatic fruits of 14 cultivars, and pathogen species were identified based on the morphological and molecular characteristics of the isolates. GAPDH gene sequence analyses identified species of the pathogens as Colletotrichum fioriniae, C. siamense, and C. chrysophilum. Laboratory and orchards studies were conducted to evaluate the effectiveness of fungicides for managing bitter rot disease. Laboratory studies showed averages of 10.3, 9.6, and 0.24 mg⋅L−1 for the 50% effective concentrations (EC50) of benzovindiflupyr, captan, and fluxapyroxad + pyraclostrobin fungicides, respectively. Orchard experiments involving ‘Honeycrisp apples’ were conducted in 2019, 2020, and 2021. Benzovindiflupyr, captan, and fluxapyroxad + pyraclostrobin prevented bitter rot development in the treated plots.","PeriodicalId":13144,"journal":{"name":"Horttechnology","volume":null,"pages":null},"PeriodicalIF":1.0,"publicationDate":"2024-04-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"140355639","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"农林科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Predicting Soluble Solids Concentration of ‘Geneva 3’ Kiwiberries Using Near Infrared Spectroscopy 利用近红外光谱预测 "日内瓦 3 号 "猕猴桃的可溶性固形物浓度
IF 1 4区 农林科学
Horttechnology Pub Date : 2024-04-01 DOI: 10.21273/horttech05316-23
Aislinn Mumford, Zachary Abrahamsson, I. Hale
{"title":"Predicting Soluble Solids Concentration of ‘Geneva 3’ Kiwiberries Using Near Infrared Spectroscopy","authors":"Aislinn Mumford, Zachary Abrahamsson, I. Hale","doi":"10.21273/horttech05316-23","DOIUrl":"https://doi.org/10.21273/horttech05316-23","url":null,"abstract":"Near infrared (NIR) spectroscopy can be applied to nondestructively assess soluble solids concentration (SSC) of ripening, physiologically mature ‘Geneva 3’ kiwiberries (Actinidia arguta). Spectrographic signatures were captured using a handheld NIR produce quality meter to build predictive models of internal fruit quality for ‘Geneva 3’ kiwiberries that had been held under cold storage (CS) conditions (0 to 1 °C, >90% relative humidity) as well as those not subjected to CS. The CS model, constructed using scans of 133 berries following 4 to 6 weeks in CS, predicts SSC using NIR wavelengths in the range of 729 to 975 nm. A total of 507 berries fresh from the vine were used to construct a predictive model for SSC of non-CS fruit using the same wavelength range. In each case, model predictive performance was investigated using split-half cross-validation, resulting in mean absolute error (MAE) values of 1.2% and 0.8% SSC for the CS and non-CS model, respectively. Each full model was then used to predict SSC of kiwiberries subjected to the alternative CS condition. The non-CS model maintained a low MAE (1.6% SSC) when applied to CS fruit, but the MAE of the CS model applied to non-CS fruit rose considerably (4.5% SSC). The performance of a combined model was tested against both CS and non-CS models, and a benefit to using tailored, CS-specific models was found, particularly in light of cross-seasonal results. As it has proven in many crops, NIR spectroscopy appears to be a promising tool for nondestructively assessing SSC in ‘Geneva 3’ kiwiberry fruit, with accuracy being enhanced by training models specific to postharvest regimes and/or defined ranges of SSC.","PeriodicalId":13144,"journal":{"name":"Horttechnology","volume":null,"pages":null},"PeriodicalIF":1.0,"publicationDate":"2024-04-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"140357301","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"农林科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Paclobutrazol Residues in Recirculated Water in Commercial Greenhouses 商业温室循环水中的百草枯残留物
IF 1 4区 农林科学
Horttechnology Pub Date : 2024-04-01 DOI: 10.21273/horttech05367-23
R. Raudales, Mayra A. Toro-Herrera, Paul R. Fisher, Jennifer K. Boldt, J. Altland
{"title":"Paclobutrazol Residues in Recirculated Water in Commercial Greenhouses","authors":"R. Raudales, Mayra A. Toro-Herrera, Paul R. Fisher, Jennifer K. Boldt, J. Altland","doi":"10.21273/horttech05367-23","DOIUrl":"https://doi.org/10.21273/horttech05367-23","url":null,"abstract":"Reusing irrigation water has technical, environmental, and financial benefits. However, risks are also associated with the accumulation of agrochemicals, in addition to ions, plant and food safety pathogens, and biofilm organisms. In this project, we measured the concentration of paclobutrazol (a persistent and widely used plant growth regulator) in recirculated water in greenhouses producing ornamental plants in containers. Solutions were collected from catchment tanks at nine commercial greenhouses across seven states in the United States in Spring and Fall 2014. Paclobutrazol was detected in all samples, with differences observed by season, greenhouse operation, paclobutrazol application method, and irrigation method. Across operations, the residual concentration of paclobutrazol was higher in spring for most greenhouses (ranging from 0 to 1100 µg·L−1) compared with the fall (ranging from 0 to 8 µg·L−1). The spray-drench application method resulted in the highest residual concentrations (up to 35 µg·L−1), followed by substrate drench (up to 26 µg·L−1) and foliage spray (concentrations under 3 µg·L−1). Residual concentrations were higher with overhead irrigation (up to 35 µg·L−1) compared with subirrigation systems (up to 15 µg·L−1). Our results indicate that paclobutrazol is likely to be a growth retardant risk in greenhouse operations recirculating water. A clear understanding of the risks associated with recirculated water intends to support the development and implementation of risk management strategies to ensure and promote safe use of recirculated water in greenhouses. Overall, the most effective preventative strategy is to ensure the use of the minimum amount of the a.i. necessary per unit of space and time.","PeriodicalId":13144,"journal":{"name":"Horttechnology","volume":null,"pages":null},"PeriodicalIF":1.0,"publicationDate":"2024-04-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"140356304","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"农林科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Phosphorus Fertilization Can Improve Young Almond Tree Growth in Multiple Replant Settings 磷肥可改善多次移栽环境中杏树幼苗的生长
IF 1 4区 农林科学
Horttechnology Pub Date : 2024-04-01 DOI: 10.21273/horttech05143-22
Phoebe E. Gordon, N. Ott, Raman K. Brar, Brent A. Holtz, Greg T. Browne
{"title":"Phosphorus Fertilization Can Improve Young Almond Tree Growth in Multiple Replant Settings","authors":"Phoebe E. Gordon, N. Ott, Raman K. Brar, Brent A. Holtz, Greg T. Browne","doi":"10.21273/horttech05143-22","DOIUrl":"https://doi.org/10.21273/horttech05143-22","url":null,"abstract":"Young almond (Prunus amygdalus) orchards replanted where old orchards of stone fruits (Prunus sp.) have been removed are subject to physical, chemical, and biotic stressors. Among biotic challenges, for example, is almond/stone fruit replant disease (ARD; formally known as Prunus replant disease), which specifically suppresses the growth and yields of successive almond and other stone fruit plantings and is caused, in part, by a soil microbial complex. During four orchard trials representing different almond replant practices and scenarios in the San Joaquin Valley in California, we examined the impacts of phosphorus (P) fertilization on the growth of replanted almond. During all trials, P was applied to tree root zones just after replanting, and the impact was assessed according to trunk cross-sectional area (TCSA) growth for 2 years. Expt. 1 was performed where a previous almond orchard was cleared using whole orchard recycling (i.e., the old orchard was “chipped” and then turned into the soil). The land was replanted without preplant soil fumigation. We tested separate fertilizer treatments based on various P, nitrogen, micronutrient, and “complete” formulations. Expt. 2 was also performed where an old almond orchard was recycled, but the soil was preplant-fumigated before replanting. Here, we tested only P fertilization. Expts. 3 and 4 were conducted where an old peach (Prunus persica) orchard was removed. Here, P and nitrogen fertilizer treatments were tested among additional factors, including preplant soil fumigation (Expts. 3, 4) and whole orchard recycling chips (Expt. 4). During all four trials, P fertilization (P at 2.2 to 2.6 oz/tree within a few weeks after planting) significantly increased TCSA growth. The growth benefit was nuanced, however, by almond cultivar, date of replanting, rootstock, and other site-specific factors. Although P fertilization did not match the benefit of preplant soil fumigation for the management of ARD, our data indicated that P fertilization can improve the growth of young almond orchards in diverse replant settings with or without preplant soil fumigation and should be considered by California almond producers as a general best management practice.","PeriodicalId":13144,"journal":{"name":"Horttechnology","volume":null,"pages":null},"PeriodicalIF":1.0,"publicationDate":"2024-04-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"140352583","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"农林科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Effect of Black Soldier Fly Larvae and Food Substrates on Weed Seed Emergence 黑兵蝇幼虫和食物基质对杂草种子萌发的影响
IF 1 4区 农林科学
Horttechnology Pub Date : 2024-04-01 DOI: 10.21273/horttech05273-23
Stephen L. Meyers, JEAN-MARIE ARANa, Luz Cardona Giraldo, Laura Ingwell, Laura Rodriguez, Nathaly Vargas
{"title":"Effect of Black Soldier Fly Larvae and Food Substrates on Weed Seed Emergence","authors":"Stephen L. Meyers, JEAN-MARIE ARANa, Luz Cardona Giraldo, Laura Ingwell, Laura Rodriguez, Nathaly Vargas","doi":"10.21273/horttech05273-23","DOIUrl":"https://doi.org/10.21273/horttech05273-23","url":null,"abstract":"Black soldier fly larvae (Hermetia illucens; BSFL) composting is biotechnology used for organic waste management and an alternative to traditional composting. We designed a two-phase experiment to evaluate the effect of BSFL composting on the emergence of the following six weed species: barnyardgrass (Echinochloa crus-galli), common ragweed (Ambrosia artemisiifolia), giant foxtail (Setaria faberi), ivyleaf morningglory (Ipomoea hederacea), redroot pigweed (Amaranthus retroflexus), and velvetleaf (Abutilon theophrasti). The first experiment phase was in the laboratory (laboratory composting phase), which consisted of 100 seeds of each weed species subjected to five composting treatments [two controls (nontreated and standard Gainesville diet alone) and three types of substrates (standard Gainesville diet, vegetable waste, food waste) + BSFL]. Live pupa weighed 179 mg with the standard Gainesville diet + BSFL and 205 mg with the food waste diet + BSFL. Dry pupa weighed 68 mg and 70 mg, respectively. The BSFL in the vegetable waste + BSFL treatment did not pupate. During the second experiment phase, the composting treatments were placed in a greenhouse to evaluate weed emergence. Emergence in the nontreated control was 62% for barnyardgrass, 38% for common ragweed, 26% for giant foxtail, 66% for ivyleaf morningglory, 3% for redroot pigweed, and 69% for velvetleaf. Compared with the nontreated control, all treatments with BSFL reduced the emergence of each weed species to ≤1%, except for velvetleaf. This study suggests that BSFL composting may effectively reduce weed seed emergence of many weed species and could be a safe alternative to conventional composting processes to minimize weed pressure in compost. However, efficacy may vary by weed species and may be dependent on seed characteristics, such as an impermeable seedcoat.","PeriodicalId":13144,"journal":{"name":"Horttechnology","volume":null,"pages":null},"PeriodicalIF":1.0,"publicationDate":"2024-04-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"140356715","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"农林科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Liner Propagation Method Influences Growth of Container Grown Bottlebrush 衬垫繁殖法影响容器栽培瓶花的生长
IF 1 4区 农林科学
Horttechnology Pub Date : 2024-04-01 DOI: 10.21273/horttech05313-23
Tim Pannkuk, Kaitlin Hopkins
{"title":"Liner Propagation Method Influences Growth of Container Grown Bottlebrush","authors":"Tim Pannkuk, Kaitlin Hopkins","doi":"10.21273/horttech05313-23","DOIUrl":"https://doi.org/10.21273/horttech05313-23","url":null,"abstract":"Bottlebrush (Callistemon vinimalis) is a widely propagated and cultivated ornamental large shrub with large red bottlebrush-like flowers. Traditional clonal propagation using stem cuttings may be replaced with tissue cultured liners. In this study, we established a container-grown field experiment of bottlebrush ‘Little John’ using liners propagated from both rooted stem cuttings and tissue culture. Growth index was recorded by propagation method periodically through the 34-week period, and both fresh and dry weights of roots and shoots recorded at experiment’s end. Final growth index of plants grown from tissue cultured liners were significantly greater than growth index of plants started from rooted stem cuttings. Both fresh and dry root weight means were significantly greater in plants propagated by tissue culture. Further testing of containerized bottlebrush production, through the flowering stage, will better determine whether tissue-cultured liners accelerate production time vs. liners from stem cuttings.","PeriodicalId":13144,"journal":{"name":"Horttechnology","volume":null,"pages":null},"PeriodicalIF":1.0,"publicationDate":"2024-04-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"140353461","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"农林科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
First Field Evaluation of a Polylactic Acid-based Weed Barrier with Compost for Carrot Production 在胡萝卜生产中使用堆肥对基于聚乳酸的杂草屏障进行首次实地评估
IF 1 4区 农林科学
Horttechnology Pub Date : 2024-04-01 DOI: 10.21273/horttech05370-23
Caleb D. Wehrbein, I. Kadoma, Sam E. Wortman
{"title":"First Field Evaluation of a Polylactic Acid-based Weed Barrier with Compost for Carrot Production","authors":"Caleb D. Wehrbein, I. Kadoma, Sam E. Wortman","doi":"10.21273/horttech05370-23","DOIUrl":"https://doi.org/10.21273/horttech05370-23","url":null,"abstract":"Hand weeding is a common but expensive weed management practice in organic carrot (Daucus carota) production. To improve weed suppression and reduce hand weeding in these systems, we developed and tested different biobased polylactic acid (PLA) mulch and compost combinations for carrot production. Carrot was direct-seeded onto PLA mulches and top-dressed with a layer of compost to facilitate carrot germination and rooting through the semipermeable mulch surface. This PLA mulch reduced total weed emergence by 90% relative to bare soil. Yields were not significantly different among mulch types and bare soil controls, partly because weeds were removed weekly after counting. The PLA mulch reduced plant available soil nitrate by 47% relative to bare soil controls. The results suggest that PLA mulch paired with compost is an effective alternative to hand weeding in carrot production. Future research should seek to address the observed nitrogen immobilization.","PeriodicalId":13144,"journal":{"name":"Horttechnology","volume":null,"pages":null},"PeriodicalIF":1.0,"publicationDate":"2024-04-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"140356097","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"农林科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Plasma-fixed Nitrogen Improves Lettuce Field Holding Potential 等离子固定氮可提高生菜田的持肥潜力
IF 1 4区 农林科学
Horttechnology Pub Date : 2024-04-01 DOI: 10.21273/horttech05369-23
Benjamin Wang, Qiyang Hu, Bruno Felix Castillo, Christina Simley, Andrew Yates, Brian Sharbono, Kyle Brasier, Mark A. Cappelli
{"title":"Plasma-fixed Nitrogen Improves Lettuce Field Holding Potential","authors":"Benjamin Wang, Qiyang Hu, Bruno Felix Castillo, Christina Simley, Andrew Yates, Brian Sharbono, Kyle Brasier, Mark A. Cappelli","doi":"10.21273/horttech05369-23","DOIUrl":"https://doi.org/10.21273/horttech05369-23","url":null,"abstract":"This study shows that plasma-fixed nitrogen applied as an inorganic biostimulant can improve marketable lettuce (Lactuca sativa var. longifolia) yield following delayed harvest. Using just one-tenth of the conventional nitrogen, plasma-fixed nitrogen—which is generated by a dielectric barrier discharge over water—was field-tested against traditional fertilization methods. Although no statistically significant differences were observed in total weight of heads among treatments, plasma-fixed nitrogen–treated plants had significantly increased marketable yields of 250% compared to those grown conventionally, despite reducing applied nitrogen fertilizer.","PeriodicalId":13144,"journal":{"name":"Horttechnology","volume":null,"pages":null},"PeriodicalIF":1.0,"publicationDate":"2024-04-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"140352907","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"农林科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
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