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Watermelon Production under Protected Culture in Missouri, USA, to Reach the Local Fourth of July Market 美国密苏里州通过保护性栽培生产西瓜,打入当地国庆节市场
IF 1 4区 农林科学
Horttechnology Pub Date : 2023-12-01 DOI: 10.21273/horttech05283-23
Ramón A. Arancibia, Kathi Mecham, Joni Harper, Cheryl Recker
{"title":"Watermelon Production under Protected Culture in Missouri, USA, to Reach the Local Fourth of July Market","authors":"Ramón A. Arancibia, Kathi Mecham, Joni Harper, Cheryl Recker","doi":"10.21273/horttech05283-23","DOIUrl":"https://doi.org/10.21273/horttech05283-23","url":null,"abstract":"Eating watermelon (Citrullus lanatus) is a traditional part of the Fourth of July holidays in the United States; however, growing watermelon in Missouri, USA for the local Fourth of July market requires an early growing season start (beginning of April) under protected culture because of low temperatures and the risk of freezing. Therefore, ‘Yellow Doll’ watermelon production was investigated under low tunnel (LT) and caterpillar high tunnel [HT (walk-in movable two-row tunnel)], and the economic feasibility was assessed by marginal analysis for both protected cultures. Planting in early April allowed harvest to start 1 to 2 weeks before the target market date. In addition, yield increased under HT in comparison with LT and open field (Op). Marginal analysis under the conditions of this study and prices obtained from local farmers’ markets showed a positive marginal rate of return for HT in comparison with the control Op. The marginal rate of return sensitivity study suggests that differences in marketable yield of 300–400 and 200–250 lb/1200 ft2 are necessary under HT and LT, respectively, for the protected culture to be economically feasible with watermelon prices above $0.75/lb and/or $1.00/lb as obtained in local farmers’ markets. Therefore, it is possible and there is potential to produce watermelon under protected culture for the local Fourth of July market. A gain in market share with potential premium prices for watermelon may increase the sustainability of small and medium-size specialty crop farmers in Missouri. To accomplish this, it is necessary to use early cultivars (70 to 80 days to maturity), plant in early April with transplants grown in greenhouses, and make sure to manage tunnels properly to maintain favorable growing conditions, protect against freezing temperatures and ensuring good pollination.","PeriodicalId":13144,"journal":{"name":"Horttechnology","volume":" 6","pages":""},"PeriodicalIF":1.0,"publicationDate":"2023-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"138617377","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
Site Factors Related to Dry Farm Vegetable Productivity and Quality in the Willamette Valley of Oregon 与俄勒冈州威拉米特谷旱地蔬菜产量和质量有关的场地因素
IF 1 4区 农林科学
Horttechnology Pub Date : 2023-12-01 DOI: 10.21273/horttech05287-23
Matthew Davis, Alexandra Stone, Andy Gallagher, Amy Garrett
{"title":"Site Factors Related to Dry Farm Vegetable Productivity and Quality in the Willamette Valley of Oregon","authors":"Matthew Davis, Alexandra Stone, Andy Gallagher, Amy Garrett","doi":"10.21273/horttech05287-23","DOIUrl":"https://doi.org/10.21273/horttech05287-23","url":null,"abstract":"Dry farming has been defined as rainfed crop production in a climate with more than 20 inches of annual precipitation, but where most precipitation falls outside the growing season. Dry farming is garnering interest in the western United States because it allows farmers to produce crops despite a lack of access to irrigation or water rights or to eliminate the infrastructure, labor, and energy costs of irrigation systems. Sites have differing suitability for dry farming, and some sites that can be farmed with irrigation will perform poorly when dry-farmed. To determine site factors associated with dry farm yield and fruit quality, trials of ‘Early Girl’ tomato (Solanum lycopersicum) and ‘North Georgia Candy Roaster’ winter squash (Cucurbita maxima) were conducted at 17 participant farms in the Willamette Valley in Oregon, USA, in 2018 and 2019. The mean blossom-end rot (BER) incidence was higher in the Willamette Valley than in coastal California; this was probably because of the Willamette Valley’s hotter and drier climate. Increasing the available water-holding capacity of soil, total available water (available water-holding capacity of the soil plus in-season rainfall), native productivity rating, soil pH (0–6 inches and 24–36 inches), soil nutrient concentrations (0–6 inches and 24–36 inches), and in-season rainfall were positively associated with at least one measure of tomato or winter squash yield, fruit number, or average fruit weight. An earlier planting date was positively associated with winter squash total yield and total fruit number in 2019. The water-limited yield potential (the total yield potential if water was the only limiting factor) for 20-ft2/plant plots was estimated to be 2.2 tons/acre per inch for tomato and 2.8 tons/acre per inch for winter squash. In 2019, high-density plantings (20 ft2/plant) had higher tomato and winter squash mean total yields, mean total fruit numbers, and mean tomato unblemished yield than low-density plantings (40 ft2/plant). In 2019, planting tomato at 20 ft2/plant decreased the mean BER incidence by 15.6% when compared with planting tomato at 40 ft2/plant.","PeriodicalId":13144,"journal":{"name":"Horttechnology","volume":"132 2","pages":""},"PeriodicalIF":1.0,"publicationDate":"2023-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"138621572","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
A Strawberry Cropping System Design for Florida to Improve Early Yield and Water Conservation and Its Economic Effect 佛罗里达州提高早期产量和节水的草莓种植系统设计及其经济效果
IF 1 4区 农林科学
Horttechnology Pub Date : 2023-12-01 DOI: 10.21273/horttech05171-23
P. Dash, Zhengfei Guan, C. Chase, S. Agehara, L. Zotarelli
{"title":"A Strawberry Cropping System Design for Florida to Improve Early Yield and Water Conservation and Its Economic Effect","authors":"P. Dash, Zhengfei Guan, C. Chase, S. Agehara, L. Zotarelli","doi":"10.21273/horttech05171-23","DOIUrl":"https://doi.org/10.21273/horttech05171-23","url":null,"abstract":"The majority of strawberry (Fragaria ×ananassa) production in Florida, USA, uses bare-root transplants that require large volumes of water via sprinkler irrigation for establishment. Although plug transplants can be established without sprinkler irrigation, they generally are more than double the cost of bare-root transplants. We hypothesized that the use of early-planted (September) plug transplants on white-on-black mulch without impact sprinkler irrigation (WP system) would be more profitable and conserve water compared with the typical grower standard practice of black plastic mulch and bare-root transplants planted in mid-October that were established using impact sprinkler irrigation for heat mitigation for 12 d after transplanting (BB system). ‘Florida Radiance’ plug transplants and bare-root transplants were used in the 2-year study that was conducted at Citra and Balm, FL, USA. Water use and early and total strawberry yield of the two systems were compared. Water use in both locations was lower with the WP system than the BB system. Early yield was higher by 683 and 346 8-lb flats/acre with the WP system at Citra and Balm, respectively, compared with the BB system. The total marketable yield with the WP system was 2062 flats/acre and 1917 flats/acre greater at Citra and Balm, respectively, than with the BB system. Partial budget analysis indicated that the WP system at Citra increased the net profit by $14,657/acre, whereas a net profit of $13,765/acre was obtained at Balm. These results will inform decision-making about cropping system modification that can be adopted by Florida strawberry growers to considerably reduce water use in an economically feasible manner.","PeriodicalId":13144,"journal":{"name":"Horttechnology","volume":"9 1","pages":""},"PeriodicalIF":1.0,"publicationDate":"2023-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"138622165","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
Willingness to Pay for Potting Mix Containing Eastern Redcedar Biochar under Alternative Information Sets 替代信息集下对含有东方红杉生物炭的盆栽混合料的支付意愿
IF 1 4区 农林科学
Horttechnology Pub Date : 2023-12-01 DOI: 10.21273/horttech05278-23
Pratikshya Silwal, Bruce L. Dunn, F. B. Norwood
{"title":"Willingness to Pay for Potting Mix Containing Eastern Redcedar Biochar under Alternative Information Sets","authors":"Pratikshya Silwal, Bruce L. Dunn, F. B. Norwood","doi":"10.21273/horttech05278-23","DOIUrl":"https://doi.org/10.21273/horttech05278-23","url":null,"abstract":"Biochar is considered an environmentally friendly potting mix ingredient because it sequesters carbon, and its biomass can be obtained from renewable resources. If the biomass is obtained from the undesirable eastern redcedar (Juniperus virginiana), then it has the additional benefit of helping to curtail its spread and protect natural habitats. If consumers recognize this benefit, then they may be willing to pay a premium for potting mix made from eastern redcedar biochar. This study used an internet survey of potting mix customers to measure the size of this potential premium. The results showed that consumers were willing to pay $2.42/ft3 more for potting mix containing 20% eastern redcedar biochar (by weight). This premium was even larger for respondents who were aware of the weedy nature of eastern redcedar.","PeriodicalId":13144,"journal":{"name":"Horttechnology","volume":"19 10","pages":""},"PeriodicalIF":1.0,"publicationDate":"2023-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"138627159","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
Late-spring Turfgrass Establishment without Herbicides 晚春草坪建植无需使用除草剂
IF 1 4区 农林科学
Horttechnology Pub Date : 2023-12-01 DOI: 10.21273/horttech05228-23
A. R. Muntz, T. K. Danneberger, John R. Street, David S. Gardner
{"title":"Late-spring Turfgrass Establishment without Herbicides","authors":"A. R. Muntz, T. K. Danneberger, John R. Street, David S. Gardner","doi":"10.21273/horttech05228-23","DOIUrl":"https://doi.org/10.21273/horttech05228-23","url":null,"abstract":"Spring establishment of turfgrass that is managed without herbicides is subject to weed competition, resulting in reduced turfgrass cover. The objective of this experiment was to find an acceptable method for spring turfgrass establishment without the use of pesticides. Thirty-six treatments consisting of three soil amendments combined with three turfgrass species or mixes, and four topdressings or fertilizers in a randomized complete block design were tested. Nutrient-deficient fill soil, fill soil blended with topsoil, and fill soil blended with leaf compost were used as growing media. ‘Firenza’ tall fescue (Schedonorus arundinaceus), an 80/20 mix of ‘Nu Destiny’ kentucky bluegrass (Poa pratensis) and ‘Nexus XD’ perennial ryegrass (Lolium perenne), respectively, and ‘Firefly’ hard fescue (Festuca trachyphylla) were grown with topdressings consisting of biosolids, ash-amended biosolids, 16N–12.2P–3.3K starter fertilizer, and an unfertilized control. The treatments were mowed at 3 inches about once per week. Irrigation was supplied by an overhead sprinkler system (1 inch/week). During the 2010 field study, treatments of tall fescue established in a leaf compost–amended root zone were significantly denser and had a greater percentage of cover (P ≤ 0.05) compared with all other treatments. In 2011, treatments of tall fescue established in fill soil– and leaf compost–amended soils were significantly denser and had a greater percentage of cover (P ≤ 0.05) compared with all other treatments. Kentucky bluegrass/perennial ryegrass and hard fescue treatments had significantly lower (P ≤ 0.05) levels of establishment compared with tall fescue. Topdressing treatments resulted in no significant difference (P ≤ 0.05) in turfgrass establishment.","PeriodicalId":13144,"journal":{"name":"Horttechnology","volume":"57 12","pages":""},"PeriodicalIF":1.0,"publicationDate":"2023-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"138627674","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
Evaluation of Commercial Viability of Eco-friendly Alternatives to Traditional Floral Foam and Their Effects on Vase Life of Five Species of Cut Flowers 评估传统花卉泡沫的环保替代品的商业可行性及其对五种切花花瓶寿命的影响
IF 1 4区 农林科学
Horttechnology Pub Date : 2023-12-01 DOI: 10.21273/horttech05292-23
Coleman L. Etheredge
{"title":"Evaluation of Commercial Viability of Eco-friendly Alternatives to Traditional Floral Foam and Their Effects on Vase Life of Five Species of Cut Flowers","authors":"Coleman L. Etheredge","doi":"10.21273/horttech05292-23","DOIUrl":"https://doi.org/10.21273/horttech05292-23","url":null,"abstract":"Increasingly, consumers are indicating that they would be willing to pay a premium for floral designs from a more sustainable floral provider. During the past several years, more environmentally sustainable floral foams and foam alternative media have been developed as an eco-friendly alternative to traditional floral foams comprised of phenol-formaldehyde plastics. Phenol-formaldehyde foam breaks down into microplastics, which ends up in landfills, soils, and waterways—including the planet’s oceans—if not disposed of properly. Eco-friendly foam alternatives are made from natural materials such as basalt minerals and coconut (Cocos nucifera) fiber (coir). The objective of this study was to investigate eco-friendly floral substrates for their commercial viability in the floral industry by analyzing the vase life of five of the most commonly use cut flower species in traditional vs. eco-friendly foam alternatives. Flowers selected for the experiment included ‘Freedom’ rose (Rosa hybrid), ‘Orange Queen’ alstroemeria (Alstroemeria hybrid), ‘Atlantis Yellow’ chrysanthemum (Dendranthema grandiflorum), ‘Pink Nelson’ carnation (Dianthus caryophyllus), and ‘Million Star’ baby’s breath (Gypsophila paniculate). The flowers were selected based on their importance to the floral industry with regard to their overall volume of use in floral arrangements and volume of production. The findings from this study indicate the traditional phenol-formaldehyde–based floral foam maintained vase life longer for a majority of the flowers tested when compared with basalt floral fiber medium and coir pouches. However, the basalt floral fiber medium maintained a vase life of more than 7 days for all flowers tested, indicating it is an adequate medium to use in retail floral design production. The coir pouch did not maintain the customer-expected vase life of 7 days for all but one of the cultivars tested. This indicates that coir pouches are generally not suitable for traditional everyday retail floral design use, but could potentially be acceptable for special occasion designs in which the consumer prefers or specifies a more sustainable approach and/or can accept a shorter vase life.","PeriodicalId":13144,"journal":{"name":"Horttechnology","volume":" 2","pages":""},"PeriodicalIF":1.0,"publicationDate":"2023-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"138617917","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
Comparing Vegetation and Substrate Performances on Nutrient Removal and Biomass Establishment Using a Natural Swimming Pool Experiment 利用天然游泳池实验比较植被和基质在去除营养物质和建立生物量方面的性能
IF 1 4区 农林科学
Horttechnology Pub Date : 2023-12-01 DOI: 10.21273/horttech05192-23
Margaret C. Hoffman, R. Berghage, Hong Wu
{"title":"Comparing Vegetation and Substrate Performances on Nutrient Removal and Biomass Establishment Using a Natural Swimming Pool Experiment","authors":"Margaret C. Hoffman, R. Berghage, Hong Wu","doi":"10.21273/horttech05192-23","DOIUrl":"https://doi.org/10.21273/horttech05192-23","url":null,"abstract":"Natural swimming pools (NSPs) rely on the interaction of bog vegetation, bacteria, and substrate to maintain water quality. Nitrogen (N) and phosphorus (P) levels in NSPs are critical because of their involvement in eutrophication. We conducted a 15-week greenhouse study to address the significant literature gap regarding nutrient removal capabilities of substrates and vegetation in the low-nutrient environment of NSPs. We used mass balance analyses to compare the performances of four substrates [river gravel (control), recycled glass, expanded clay, expanded shale] and two plant species [blue flag iris (Iris versicolor) and lizard’s tail (Saururus cernuus)] under two flow conditions: free water surface and subsurface flow. At the end of the experiment, except for the recycled glass group, all other substrate groups reduced water nitrate (NO3) levels to less than 30 mg⋅L−1, the standard of the 2011 Forschungsgesellschaft Landschaftsentwicklung Landschaftsbau (FLL) guidelines. However, only the expanded clay group closely approached the P standard (≤0.01 mg⋅L−1). Expanded clay and expanded shale demonstrated potential as substrates for NSP bogs. The final aboveground biomass dry weight was strongly negatively correlated with the final NO3 and P water concentrations. However, direct plant uptake proved insufficient to remove all nutrient inputs, especially for P. Except for the recycled glass group (34%), a significant portion of N (79%–90%) from total N added was removed by aboveground biomass. However, P uptake by biomass was substantially lower (18%–37%). With acceptable vigor and biomass accumulation, blue flag iris may be a suitable species for vegetated NSPs, whereas lizard’s tail is not because of uncertain establishment. Compared with controlling N, managing P for FLL standards in NSPs will be more challenging. Our work begins to fill the essential gap in the NSP literature regarding nutrient removal capabilities of substrates and vegetation. Future work should continue to study alternative substrates and plant species for P removal, particularly in field conditions and over longer periods.","PeriodicalId":13144,"journal":{"name":"Horttechnology","volume":"58 6","pages":""},"PeriodicalIF":1.0,"publicationDate":"2023-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"138627669","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
Eastern Redcedar: A United States Native Tree That Ranges from Useful, to a Nuisance, and Even Invasive in Certain Environments 东方红杉:一种在某些环境中从有用到有害甚至入侵的美国本土树木
IF 1 4区 农林科学
Horttechnology Pub Date : 2023-12-01 DOI: 10.21273/horttech05264-23
M. Schnelle
{"title":"Eastern Redcedar: A United States Native Tree That Ranges from Useful, to a Nuisance, and Even Invasive in Certain Environments","authors":"M. Schnelle","doi":"10.21273/horttech05264-23","DOIUrl":"https://doi.org/10.21273/horttech05264-23","url":null,"abstract":"Invasive and nuisance plants, both introduced as well as native, have negatively impacted native flora and fauna and altered hydrological processes. Economic damage estimates range from $1.4 trillion globally to as high as $120 billion in the United States. Eastern redcedar (Juniperus virginiana) is native to at least 37 states in the United States. A medium-sized tree, eastern redcedar is commonly used as a landscape ornamental given its ability to grow in a wide range of conditions and its tolerance to many environmental pollutants. A tenacious conifer, eastern redcedar is valued for its landscape value and other uses, including wildlife habitat, lumber, medicines, and more. However, with wildfires suppressed and prescribed fires often discouraged, eastern redcedar has grown outside its original habitat and is an example of the term “range change.” This species’ predisposition to be opportunistic has allowed it to encroach on both abandoned and cultivated fields as well as grasslands. When the tree exhibits nuisance tendencies, control measures are warranted including prescribed fire, mechanical control, and herbicides. Ultimately, integrated control measures culminate in the best long-term results. The objective of this article was to describe eastern redcedar’s desirable ornamental features as well as landscape and utilitarian uses for humans and animals but also outline that it can be weedy to invasive depending on several factors discussed herein.","PeriodicalId":13144,"journal":{"name":"Horttechnology","volume":" 6","pages":""},"PeriodicalIF":1.0,"publicationDate":"2023-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"138615199","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 Substrate Drenches Control Growth of Nine Black-eyed Susan Cultivars 五氯丁唑底物浸渍法控制九个黑眼苏珊栽培品种的生长
IF 1 4区 农林科学
Horttechnology Pub Date : 2023-12-01 DOI: 10.21273/horttech05290-23
W. T. Rich, W. G. Owen
{"title":"Paclobutrazol Substrate Drenches Control Growth of Nine Black-eyed Susan Cultivars","authors":"W. T. Rich, W. G. Owen","doi":"10.21273/horttech05290-23","DOIUrl":"https://doi.org/10.21273/horttech05290-23","url":null,"abstract":"Our objective was to quantify the efficacy of paclobutrazol substrate drenches on growth of nine black-eyed Susan (Rudbeckia hirta) cultivars. Liners of ‘Autumn Colors’, ‘Cherokee Sunset’, ‘Cherry Brandy’, ‘Denver Daisy’, ‘Glowing’, ‘Happy’, ‘Indian Summer’, ‘Prairie Sun’, and ‘Sunny’ black-eyed Susan were transplanted into 6.5-inch-diameter plastic containers (2 qt) filled with a commercial soilless peat-based substrate. After 16 days, six single-plant replicates received a substrate drench of 5-fl-oz aliquots of solutions containing deionized water [0 mg·L−1 paclobutrazol (control)] or 2.5, 5, 10, or 20 mg·L−1 paclobutrazol (0, 0.375, 0.75, 1.5, and 3.0 mg/pot). Paclobutrazol drenches of 2.5 to 20 mg·L−1 significantly influenced plant height, plant diameter, growth index (GI), and shoot dry weight (SDW) of all black-eyed Susan cultivars, although the magnitude of response to paclobutrazol substrate drench concentration varied with cultivar. For most cultivars, GI, an integrated measurement of height and diameter, was suppressed as paclobutrazol substrate drench concentrations increased from 2.5 to 20 mg·L−1, resulting in plants that were 30% to 43% smaller than untreated plants. Increasing paclobutrazol substrate drench concentrations from 2.5 to 20 mg·L−1 limited SDW of each cultivar differently, although plants were 5% to 59% smaller at 20 mg·L−1 paclobutrazol than untreated plants. Time to flower for ‘Autumn Colors’, ‘Cherry Brandy’, ‘Happy’, ‘Indian Summer’, and ‘Prairie Sunset’ was unaffected by any paclobutrazol substrate drench concentration; however, concentrations of ≤10 mg·L−1 paclobutrazol are suggested for ‘Cherokee Sunset’, ‘Denver Daisy’, ‘Glowing’, and ‘Sunny’, as higher concentrations delay flowering. Our results indicate that growers can attain growth control with substrate drenches containing 5 to 10 mg·L−1 paclobutrazol during greenhouse black-eyed Susan production without delaying flowering.","PeriodicalId":13144,"journal":{"name":"Horttechnology","volume":"12 1","pages":""},"PeriodicalIF":1.0,"publicationDate":"2023-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"138622395","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
A Review of Invasive Offenders and Strategies to Mitigate Their Impact: Proceedings from the ASHS Invasive Plants Research Group 2022 Workshop 外来入侵者及减轻其影响的策略回顾:美国植物学会入侵植物研究小组 2022 年研讨会论文集
IF 1 4区 农林科学
Horttechnology Pub Date : 2023-12-01 DOI: 10.21273/horttech05285-23
M. Schnelle, L. Gettys
{"title":"A Review of Invasive Offenders and Strategies to Mitigate Their Impact: Proceedings from the ASHS Invasive Plants Research Group 2022 Workshop","authors":"M. Schnelle, L. Gettys","doi":"10.21273/horttech05285-23","DOIUrl":"https://doi.org/10.21273/horttech05285-23","url":null,"abstract":"","PeriodicalId":13144,"journal":{"name":"Horttechnology","volume":" 34","pages":""},"PeriodicalIF":1.0,"publicationDate":"2023-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"138618416","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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