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Rozprawy doktorskie na temat „Fruit yield”

Autor: Grafiati

Data publikacji: 4 czerwca 2021

Data aktualizacji: 25 lipca 2025

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1

Petje, Kgomoamogodi Felix. "Determination of fruit yield and fruit quality in marula (Sclerocarya birrea subsp. caffra) selections." Diss., Pretoria : [s.n.], 2009. http://upetd.up.ac.za/thesis/available/etd-08072009-130342.

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Mthembu, Gugulethu Jay. "Effects of irrigation and shading on fruit yield and quality in mango." Diss., University of Pretoria, 2002. http://hdl.handle.net/2263/29373.

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Mangifera indica L. cv. Kent trees were subjected to five irrigation treatments during the 2000/2001 growing season with the aim of assessing the effects of irrigation on tree productivity and fruit quality. Two progressively reduced irrigation treatments (75 and 50% of the amount of irrigation water applied to the control), a control (100% field capacity), a regulated deficit irrigation (RDI) treatment and a farm control were compared with each other. Fruit yield, number and mean fruit weight were not significantly influenced by the different irrigation treatments. Peel colour and storage pot

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3

Prasad, Pagadala Venkatat Vara. "The effect of heat stress on fruit-set and fruit yield of groundnut (Arachis hypogaea L.)." Thesis, University of Reading, 1999. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.287379.

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Groundnuts (Arachis hypogaea L.) grown in the semi-arid tropics are commonly exposed to air and soil temperatures> 35°C. This research in controlled environments has shown that continuous exposure of plants to hot air (day/night, 38°/22°C) and/or hot soil (38°/30°C) temperatures during the reproductive .phase (from flower bud appearance until reproductive maturity) significantly reduces total dry matter production, the partitioning of dry matter to pods and seed yields. The effects of hot air and hot soil temperature were additive and without interaction. Hot air temperature had no effect on f

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Crous, Jacobus Johannes. "Managing olive yield and fruit quality under South African conditions." Thesis, Stellenbosch : Stellenbosch University, 2012. http://hdl.handle.net/10019.1/71687.

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Thesis (MScAgric)--Stellenbosch University, 2012.<br>ENGLISH ABSTRACT: Olives have been produced commercially in the Mediterranean-type climate of the Western Cape region of South Africa since the early 1900’s. As in the rest of the world, South African table olive producers struggle with alternate bearing. Naphthalene acetic acid (NAA) has been used since the 1950’s to thin table olives in California. To date, South African producers opted to tolerate rather than try to reduce the negative effects of alternate bearing. However, due to increased olive production, profit margins are decrea

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Scheepers, Stephanus Jacobus. "Advancing full production and increasing yield in young 'Triumph' persimmon orchards." Thesis, Stellenbosch : University of Stellenbosch, 2010. http://hdl.handle.net/10019.1/4216.

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Thesis (MScAgric (Horticulture))--University of Stellenbosch, 2010.<br>ENGLISH ABSTRACT: Persimmon production is new to South Africa with about 700 ha planted to the dioecious, parthenocarpic Triumph cultivar since 1998. Little local expertise is available to assist growers in achieving high yields of high quality fruit and previous research has shown that recipes that are followed in Israel, from where ‘Triumph’ was introduced to South Africa, do not necessarily have any beneficial effect in South Africa. ‘Triumph’ orchards in South Africa are often late in reaching full production. Persimmo

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6

Novela, Precious. "Delayed fruit harvest on yield, nutritional value and post-harvest quality of late maturing reed avocado (Persea Americana Mill)." Thesis, University of Limpopo, 2016. http://hdl.handle.net/10386/1711.

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Thesis (MSc .(Plant Production)) -- University of Limpopo, 2016<br>Delayed fruit harvest (DFH) or on-tree-fruit storage is a strategy being considered to extend the harvest season of late maturing ‘Reed’ avocado. However, avocado fruit growth beyond physiological maturity is accompanied by alterations in chemical and physical properties. Thus, the study aimed to investigate the effects of delayed harvest on tree productivity, mineral nutrition and post-harvest quality of late maturing ‘Reed’ avocado and further to evaluate the fruit quality response to varying ripening temperature regimes. As

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7

Shetty, Nischit Vasanth. "Evaluation of the cucumber germplasm collection for fruit yield and quality." Raleigh, NC : North Carolina State University, 1999. http://www.lib.ncsu.edu/etd/public/etd-0261460100450/etd.pdf.

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8

Theodoropoulou, Afroditi. "Improving disease control, yield and fruit quality in organic tomato production systems." Thesis, University of Newcastle Upon Tyne, 2009. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.582166.

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This study aimed to investigate and develop integrated crop management systems in organic glasshouse tomato production. The different management strategies that were used were tomato hybrid choice, grafting onto pest and disease resistant rootstocks, different fertiliser input types applied at several N-levels, steam disinfection of the soil substrate, chitin soil amendments and Milsana foliar disease control treatments. Four different experiments investigated the effects of these factors, as well as interactions between them, on the severity of a foliar disease Powdery mildew (Leveillula taur

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9

Buck, Johann Sebastian. "Improvement of Cherry Tomato Fruit Yield and Quality Under a Controlled Environment." Thesis, The University of Arizona, 2005. http://hdl.handle.net/10150/193448.

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The effects of controlled environment strategies on the yield and quality of cherry tomato fruit production were studied between April, 2003 and September, 2004 at The University of Arizona Campus Agriculture Center; Tucson, AZ. Two cultivars of cherry tomato (Lycopersicon esculentum Mill. var. cerasiforme) planted at 2.2 plants m-2 were grown hydroponically in coconut coir and drip fertigated with a low EC (2.4 dS m-1), high EC (4.5 dS m-1), mid day relief of high EC (2.4 dS m-1 or 4.5 dS m-1 over a 24 h period) or night time super high EC treatment (12 dS m-1). From April to October, 2003,

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10

Karim, Mohammad R., Glenn C. Wright, and Kathryn C. Taylor. "Effect of Foliar Boron Sprays on Yield and Fruit Quality of Citrus." College of Agriculture, University of Arizona (Tucson, AZ), 1996. http://hdl.handle.net/10150/220555.

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Deficiency of boron (B) in citrus has serious consequences for tree health and crop production. There is evidence that B deficiency may be a problem in Arizona citrus. Certainly, many symptoms of B deficiency are apparent, especially on the Yuma Mesa. A field trial was conducted at Yuma, Arizona to examine the effect of foliar boron application on fruit yield and quality of Citrus sinensis and C. limon. Boron was applied to 5 year old Citrus sinensis cv. Hamlin and C. limon cv. Rosenberger Lisbon trees at 5 different concentrations (0 ppm, 500 ppm, 1000 ppm, 2000 ppm, 3000 ppm) either before f

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11

Kilby, Christopher. "Evaluation of yield component changes in Australian cotton cultivars." Thesis, Faculty of Agriculture, Food & Natural Resources, 2006. http://hdl.handle.net/2123/914.

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12

Howpage, Daya, of Western Sydney Hawkesbury University, Faculty of Environmental Management and Agriculture, and Centre for Horticulture and Plant Sciences. "Pollination biology of kiwifruit : influence of honey bees, Apis mellifera L, pollen parents and pistil structure." THESIS_FEMA_HPS_Howpage_D.xml, 1999. http://handle.uws.edu.au:8081/1959.7/338.

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The importance of European honey bees in improving fruit set, yield and fruit weight of kiwifruit on the central east coast of Australia was investigated. Field investigations were carried out using different bee saturations and different types of male pollen parents. These investigations confirmed the importance of honey bees in kiwifruit fruit set, yield and fruit weight. However, the results suggested that increasing bee activity alone may not increase pollination of kiwifruit by honey bees. Many factors need to be understood before introducing bees into the orchard. Bees were more effectiv

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13

Mudau, N. Fhatuwani (Nixwell Fhatuwani). "Yield and fruit quality of citrus species relative to foliar sprays of macronutrients." Thesis, Stellenbosch : Stellenbosch University, 2001. http://hdl.handle.net/10019.1/52616.

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Thesis (MScAgric)--University of Stellenbosch, 2001.<br>ENGLISH ABSTRACT: Yield and fruit quality of Citrus species relative to foliar sprays of macronutrients Marginal fruit colour and poor internal quality have been primary problems in the production of early-maturing mandarins in the Western Cape region (34 Os t 9°E). This leads to a reduction in the percentage of exportable fruit, a delay in the picking and consequent reduction in internal quality due to over-maturity. Therefore, a well-developed rind colour and internal quality of citrus are quality parameters of major importance in

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14

Finger, Sarah Adine. "Effects of Horticultural Oils on Photosynthesis, Fruit Maturity, and Yield of Wine Grapes." Thesis, Virginia Tech, 2000. http://hdl.handle.net/10919/33251.

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In field experiments conducted in northern Virginia during 1998, oils reduced photosynthesis, fruit maturity, and crop yield. Three applications of a 1.5% (v/v) oil/water emulsion were made to Chardonnay and Cabernet Sauvignon vine canopies at 6200 L/ha (Chardonnay) and 2440 L/ha (Cabernet Sauvignon). Net assimilation rate (NAR), soluble solids concentration (SSC), and berry size were reduced by oil treatments when compared to an untreated control. Also in 1998, a 1.5% (v/v) oil/water emulsion at 5550 L/ha and 4680 L/ha was applied to 23 wine grape cultivars. Eleven cultivars had significa

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15

Kilby, Michael W. "Pruning Methods Affect Yield and Fruit Quality of 'Merlot' and 'Sauvignon Blanc' Grapevines." College of Agriculture, University of Arizona (Tucson, AZ), 1998. http://hdl.handle.net/10150/220579.

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One red and one white cultivar of winegrapes grown in Southern Arizona was pruned to four different methods. The red cultivar was 'Merlot' and the white was 'Sauvignon Blanc'. The pruning methods were 2 bud spur, 4 bud spur, cane and basal buds only. The basal bud treatment was eliminated for 'Sauvignon Blanc'. The 4 bud spur method resulted in significantly greater yield when compared to the other methods. Fruit produced from the basal bud only treatment resulted in fruit that was significantly greater in pH and acid content. The 'Sauvignon Blanc' cultivar had significantly higher yield with

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16

Maurer, Michael A., and Kathryn C. Taylor. "Effect of foliar boron sprays on yield and fruit quality of navel oranges." College of Agriculture, University of Arizona (Tucson, AZ), 1999. http://hdl.handle.net/10150/222531.

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A field study was designed to determine if foliar boron (B) sprays could increase fruit set and yield of 'Parent Washington' navel oranges (Citrus sinensis). Treatments consisted of two application timings (prebloom and postbloom) and five application rates 0, 250, 500, 750 and 1000 ppm B as Solubor. Leaf B levels had a significant response to both application timing and rate. There were no significant difference in fruit quality or yield.

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17

Martin, Jonathan. "Impact of marine extracts applications on cv. Syrah grape (Vitis vinifera L.) yield components, harvest juice quality parameters, and nutrient uptake." DigitalCommons@CalPoly, 2011. https://digitalcommons.calpoly.edu/theses/699.

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Vineyard management practices have an impact on grape berry development in ways that influence the quality of wine made from those grapes. The goal of this study was to determine whether exogenous applications of marine extracts on Syrah grapes can influence yield components, harvest juice quality parameters, and nutrient uptake. From 2009 to 2011, Syrah grape vines at the Trestle Vineyard on the California Polytechnic State University, San Luis Obispo campus received individual doses of marine extract via fertigation at berry set and veraison proportional to the amount they would receive on a

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18

Sheard, Andrew Grant. "Factors leading to poor fruit set and yield of sweet cherries in South Africa." Thesis, Link to the online version, 2008. http://hdl.handle.net/10019/904.

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Stein, Madeleine. "Improving Image Based Fruitcount Estimates Using Multiple View-Points." Thesis, Linköpings universitet, Datorseende, 2016. http://urn.kb.se/resolve?urn=urn:nbn:se:liu:diva-132402.

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This master-thesis presents an approach to track and count the number of fruit incommercial mango orchards. The algorithm is intended to enable precision agri-culture and to facilitate labour and post-harvest storage planning. The primary objective is to develop an multi-view algorithm and investigate how it can beused to mitigate the effects of visual occlusion, to improve upon estimates frommethods that use a single central or two opposite viewpoints. Fruit are detectedin images by using two classification methods: dense pixel-wise cnn and regionbased r-cnn detection. Pair-wise fruit corresp

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20

Esmel, Camille Elizabeth. "Influence of calcium on postharvest quality and yield of strawberry fruit (Fragaria x ananassa Duch.)." [Gainesville, Fla.] : University of Florida, 2005. http://purl.fcla.edu/fcla/etd/UFE0006360.

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Kershner, Gerald L. "They will still yield fruit in old age Old Testament perspectives on aging and retirement /." Online full text .pdf document, available to Fuller patrons only, 2000. http://www.tren.com.

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Safdar, Misbah. "Fruit yield and quality of okra (Abelmoschus esculentus (L.) Moench) evaluated under high-temperature stress." Thesis, The University of Sydney, 2018. http://hdl.handle.net/2123/20698.

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Okra is a nutritious vegetable that belongs to the family Malvaceae. It is widely grown in the tropical, sub-tropical, temperate and Mediterranean regions of the world. However, little evidence of the impacts of high temperature stress on various physiological, morphological, biochemical and metabolic processes is available for okra nor is the extent of genetic variation known. This study characterized and evaluated 176 diverse okra germplasm under constant high temperature to assess morphological and physiological changes to growth and development and to identify molecular markers linked to h

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23

Lira, Bruno Silvestre. "Manipulation of leaf senescence and chlorophyll degradation aiming fruit improvement." Universidade de São Paulo, 2017. http://www.teses.usp.br/teses/disponiveis/41/41132/tde-28102017-114118/.

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Leaves are responsible for the majority of the fixed carbon in most plant species. Along leaf development, the photosynthetic capacity increases until the organ reaches maturity. Consequently, at the onset of senescence the leaves have the highest photosynthetic activity, then, as the chloroplasts are dismantled and the photosynthetic machinery is degraded, leaves gradually lose the rate of carbon assimilation. Although the capacity to fix carbon declines as senescence progresses, nutrient remobilization from macromolecule degradation nourishes the developing sink organs. In this regard, delay

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24

Maher, Mary. "Effects of Plant Growth-Promoting Bacteria and Fungi on Strawberry Plant Health, Fruit Yield, and Disease Susceptibility." DigitalCommons@CalPoly, 2021. https://digitalcommons.calpoly.edu/theses/2335.

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Studies on plant growth-promoting rhizobacteria (PGPR) and fungi (PGPF) as biostimulants have shown significant positive effects on plant health, fruit yield, or pest management. However, very few published studies to date have been specific regarding their effects on strawberries (Fragaria × ananassa), particularly on soilborne disease prevalence in organically grown strawberries. Empirical data on the results of using these products in commercial growing applications under various conditions would be highly valuable, especially for organic growers who have limited synthetic chemical pesticid

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Maurer, Michael, and James Truman. "Effect of Foliar Boron Sprays on Yield and Fruit Quality of Navel Oranges in 1998 and 1999." College of Agriculture, University of Arizona (Tucson, AZ), 2000. http://hdl.handle.net/10150/223840.

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A field study was designed to determine if foliar boron (B) sprays could increase fruit set and yield of 'Parent Washington' navel oranges (Citrus sinensis). Treatments consisted of two application timings (prebloom and postbloom) and five application rates 0, 250, 500, 750 and 1000 ppm B as Solubor. Leaf B levels had a significant response to both application timing and rate in 1998, but there were no significant differences in 1999. There were no significant difference in fruit quality or yield in either year.

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MacDonald, Gerald. "The long term effects of apple replant disease treatments on growth and yield of apple trees and an examination of Pratylenchus and Pythium as causal agents /." Thesis, McGill University, 1988. http://digitool.Library.McGill.CA:80/R/?func=dbin-jump-full&object_id=61700.

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Kotze, Willem Petrus. "The effect of mulching on tree performance and fruit quality of 'cripps' pink' apples." Thesis, Stellenbosch : Stellenbosch University, 2012. http://hdl.handle.net/10019.1/20144.

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Thesis (MScAgric)--Stellenbosch University, 2012.<br>ENGLISH ABSTRACT: Three field trials were conducted to investigate the effects of mulching on the chemical and biological aspects of the soil as it is reflected by tree performance and fruit quality in ‘Cripps’ Pink’ orchards. In the two trials at Lourensford Estate, where only the soil type differed between sandy silt loam (sandy) and heavy silt loam (heavy), mulches where used as an additive to the soil surface together with a standard, commercial, inorganic fertilization program. Four different mulch types: compost, wood chips, verm

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28

Chater, John Matthew. "THE EFFECTS OF FOLIAR NUTRIENT APPLICATIONS ON SPLIT, YIELD, AND INTERNAL FRUIT QUALITY OF 'WONDERFUL' POMEGRANATE (PUNICA GRANATUM L.)." DigitalCommons@CalPoly, 2015. https://digitalcommons.calpoly.edu/theses/1510.

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Fruit split is the most important physiological disorder in pomegranate production, causing devastating crop losses worldwide. Foliar nutrient applications have been used experimentally to mitigate pomegranate fruit split but none have been conducted using the industry standard cultivar, Wonderful, and little is known about the effects of foliar nutrient applications on pomegranate. Additionally, investigations into putative health benefits of pomegranate fruit have increased interest in its production but limited evidence exists regarding effects of agricultural practices such as foliar ferti

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29

Ghebremariam, Tsedal Tseggai. "Yield and quality response of tomato and hot pepper to pruning." Diss., Pretoria : [s.n.], 2004. http://upetd.up.ac.za/thesis/available/etd-02082006-125505.

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Ullah, Habib [Verfasser]. "Fruit yield and quality of anise (Pimpinella anisum L.) in relation to agronomic and environmental factors / Habib Ullah." Gießen : Universitätsbibliothek, 2012. http://d-nb.info/1063955262/34.

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Van, der Merwe Johannes Dawid Prins. "The effects of organic and inorganic mulches on the yield and fruit quality of ‘Cripps’ Pink’ apple trees." Thesis, Stellenbosch : Stellenbosch University, 2012. http://hdl.handle.net/10019.1/71950.

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Thesis (MScAgric)--Stellenbosch University, 2012.<br>ENGLISH ABSTRACT: Limited research is available on the effect of mulches on established orchards. Most of the information available stems from research conducted in newly planted orchards or on annual crops such as green peppers and strawberries under greenhouse conditions. To increase the current knowledge on the effect of mulches in established orchards, two field trials were conducted on 14 year old „Cripps‟ Pink‟ orchards. The one trial concentrated on the influence of mulches on the root environment and the other trial on the effect of

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32

Hatch, Tremain Archer. "Groundcover, rootstock and root restriction effects on vegetative growth, crop yield components, and fruit composition of Cabernet Sauvignon." Thesis, Virginia Tech, 2010. http://hdl.handle.net/10919/78134.

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Wine vineyards in humid environments like the mid-Atlantic United States are characterized by vines that develop too much vegetative growth for optimum quality wine production. Cover crops, rootstocks and rootzone restriction were evaluated for their effect on vegetative and reproductive growth on Cabernet Sauvignon. Treatments were arranged in a strip-split-split plot arrangement with under-trellis cover crops (UTCC) compared to row-middle only cover crop combined with 1-m weed-free strips in the vine row as main plots. Rootstocks riparia Gloire, 420-A, and 101-14 were sub-plots, while sub-su

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Parajuli, Suman. "Influence of Tomato (Solanum lycopersicum L.) Seedling Grafting on Plant Growth, Fruit Yield and Quality, and Disease Tolerance." Thesis, North Dakota State University, 2019. https://hdl.handle.net/10365/31651.

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Influence of tomato (Solanum lycopersicum L.) seedling grafting on the plant growth, fruit yield and quality, and disease tolerance were investigated using 3 cultivars (Big Beef, Celebrity, Cannonball) as scions and two Solanum species (B-blocking, Maxifort) as a rootstock in a randomized complete block design with three replications. The grafted plants were statistically higher in values for stem diameter, leaf chlorophyll, and fruit carotenoid contents. Similarly, the scion/rootstock combination ‘Big Beef/Maxifort’ and ‘Big Beef/B-blocking’ had prolonged days to maturity and gives a higher y

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Kivoloka, Flávio Pedro. "Estudo para valorização da polpa do fruto da Adansonia digitata L." Master's thesis, ISA/UL, 2015. http://hdl.handle.net/10400.5/9205.

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Mestrado em Engenharia Alimentar - Qualidade e Segurança Alimentar - Instituto Superior de Agronomia<br>The present study had as main goal the characterization of Adansonia digitata L .fruit, focusing on three specific aspects: physical and chemical description of the fruit pulp, extraction studies and development of drinks based on baobab pulp. The pulp characterization, showed low values for water activity and humidity, high content in essential minerals and a low pH. The pulp was also characterized regarding the total phenolic compounds, vitamin C and antioxidant activity. The results

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Flomo, Stephen T. "Investigation of Yield and Quality of Grafted Heirloom and Hybrid Tomatoes." TopSCHOLAR®, 2010. http://digitalcommons.wku.edu/theses/138.

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Tomatoes (Lycopersicon esculentum Mill) are one of the most popular vegetable crops grown for fresh market and processing in the U.S. Grafting involves the uniting of a shoot or bud scion with a rootstock to form a compound plant, mainly for managing soil-borne diseases and increasing crop yield. The objectives were to examine the effects of reciprocal and self grafts on tomato fruits, number of fruits, weight, and quality of the cultivars, ‘Cherokee Purple’, ‘Mister Stripey’, ‘Crista’, and ‘Maxifort’. Grafted seedlings were planted at WKU Farm on raised beds, protected with red or black pla

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Pfister, Lucas Federico. "Effect of canopy management practices - hedging vs curling shoot tips - on growth, yield and fruit composition of Merlot grapevines." Master's thesis, ISA, 2011. http://hdl.handle.net/10400.5/8583.

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Mestrado Vinifera EuroMaster - Instituto Superior de Agronomia<br>A study to compare the effects of hedging and curling the shoot tips (rolling) on the last wire of the trellising system was carried out in Saint Emilion (France) on Merlot grapevines in 2011. Vines were hedged or curled when shoots were 30 – 40 cm longer than the highest wire. The effects of the two canopy management strategies on vine performance, mainly vegetative growth, disease occurrence, phenology, water status, yield components and berry composition were compared. Curled, not hedged vines presented longer main shoo

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Medina, Carolina. "Nutrient release patterns of coated fertilizers used for citrus production and their effect on fruit yield and foliar nutrition." [Gainesville, Fla.] : University of Florida, 2006. http://purl.fcla.edu/fcla/etd/UFE0014281.

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Morsi, Taher Hussein. "Effects of vine architecture on water use, microclimate, fruit composition, and yield of Vitis vinifera L. 'Petite Sirah' grapevines." Diss., The University of Arizona, 1991. http://hdl.handle.net/10150/185700.

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Effects of trellising on water use, absorption of photosynthetically active radiation (PAR, 400 to 700 nm wavelength) by foliage and potentially by fruit, fruit composition, and yield were studied in 1988 under semi-arid conditions on field-grown Vitis vinifera L. 'Petite Sirah' grapevines in a mature vineyard. The positioning of shoots on trellises resulted in canopies that were (1) positioned vertically (vertical canopy), (2) positioned in a "V" pattern with sides inclined 60° from horizontal (inclined canopy), and (3) inclined toward the vineyard floor (standard canopy). Seasonal water use

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39

Scurich, Justin J. "STRAWBERRY GROWTH, YIELD, FRUIT NUTRITION, AND CONTROL OF VERTICILLIUM WILT WITH PRE-PLANT SOIL FUMIGANTS, OZONE, AND BIOLOGICAL CONTROL." DigitalCommons@CalPoly, 2012. https://digitalcommons.calpoly.edu/theses/714.

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Verticillium wilt is a widespread soilborne disease of strawberry historically controlled by soil fumigation with methyl bromide (MB). MB was banned by the United Nations in 1995 and will be completely phased out by 2015. Research has concentrated on alternative methods of disease control without finding a single alternative able to replace MB in widespread disease control and yield increase. For the current study, strawberries were greenhouse grown in container pots filled with soil from both infested and non-infested areas of a commercial strawberry field in Watsonville, CA. Treatments i

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Serrano, Dafne Isaac. "Effect of Evapotranspiration Rate on Almond Yield in California." DigitalCommons@CalPoly, 2018. https://digitalcommons.calpoly.edu/theses/1955.

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Since 2011, California has been under drought conditions. These conditions have not only affected water availability for farmers, but also production. California’s second most valuable crop, almonds, has been affected by drought conditions. This study used three models (Model 1-3) to describe almond yield variability from year to year and almond yield variability within a year in Kern County, CA. The study evaluated 185 almond farms that were classified in three locations (east side, west side and north west side). The years of the study were 2011 (wet year) and 2013-2015 (drought condition ye

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Al-Hazzouri, Abbas. "Effect of sodium catchments on soluble soil salts, leaf ion concentration, and the yield of fruit in a water harvesting system." Diss., The University of Arizona, 1990. http://hdl.handle.net/10150/184973.

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This study consisted of field experiments to determine the effect of sodium catchment on the distribution of soluble salts and exchangeable ions in soil, leaf ion concentration, and yield of peaches. The experiments were conducted at the Oracle Agricultural Center, formerly known as Page Ranch, University of Arizona, for a period of two years. The soil in this area is White House sandy clay loam. Sodium chloride salt was applied at a rate of 11.2 ton/ha to the Sodium Treated Catchment Area (STCA). Also, sulfur was applied at a rate of.5 kg m⁻² to Cropped Water Ways (CWW). Four peach cultivars

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Diatta, Pierre Maurice. "TBD Economic Impact of Fruit Flies in Mango Production in Senegal: Ex-Post Analysis of mango losses in Ziguinchor (Casamance)." Thesis, Virginia Tech, 2016. http://hdl.handle.net/10919/82484.

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The mango tree is one the important sources of income in the rural economy of Senegal. However, mango producers in Ziguinchor are facing fruit fly infestations leading to important losses in income. The aim of this study is to measure the impact of the losses encountered by mango farmers in Ziguinchor over three years 2012, 2013, and 2014 and conduct an econometric study to examine household characteristics associated with high level of losses. At the household level, the total yearly losses on average from fruit fly infestations represent 17.09 % of the average total household income in Zigu

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PEREIRA, Auderlan de Macena. "Crescimento, produção e qualidade de frutos de melão cantaloupe em função da utilização do agrotêxtil e do numero de frutos por planta." Universidade Federal de Campina Grande, 2015. http://dspace.sti.ufcg.edu.br:8080/jspui/handle/riufcg/724.

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Submitted by Deyse Queiroz (deysequeirozz@hotmail.com) on 2018-05-17T17:57:49Z No. of bitstreams: 1 AUDERLAN DE MACENA PEREIRA - DISSERTAÇÃO PPGHT 2015..pdf: 1586819 bytes, checksum: 084746639c19ffdff497fc898a95667a (MD5)<br>Made available in DSpace on 2018-05-17T17:57:49Z (GMT). No. of bitstreams: 1 AUDERLAN DE MACENA PEREIRA - DISSERTAÇÃO PPGHT 2015..pdf: 1586819 bytes, checksum: 084746639c19ffdff497fc898a95667a (MD5) Previous issue date: 2015<br>O meloeiro tem se destacado no Nordeste em razão das condições de solo e clima que favorecerem o cultivo dessa olerícola. É uma planta da fam

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Chalfant, Patricia. "Responses of Grapevines to Timing and Method of Leaf Removal." The Ohio State University, 2012. http://rave.ohiolink.edu/etdc/view?acc_num=osu1337628161.

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Howpage, Daya. "Pollination biology of kiwifruit : influence of honey bees, Apis mellifera L, pollen parents and pistil structure." Thesis, Richmond, N.S.W. : Centre for Horticulture and Plant Sciences, University of Western Sydney, Hawkesbury, 1999. http://handle.uws.edu.au:8081/1959.7/338.

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The importance of European honey bees in improving fruit set, yield and fruit weight of kiwifruit on the central east coast of Australia was investigated. Field investigations were carried out using different bee saturations and different types of male pollen parents. These investigations confirmed the importance of honey bees in kiwifruit fruit set, yield and fruit weight. However, the results suggested that increasing bee activity alone may not increase pollination of kiwifruit by honey bees. Many factors need to be understood before introducing bees into the orchard. Bees were more effectiv

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Domingo, Martinez Xavier. "Effects of irrigation and nitrogen application on vegetative growth, yield and fruit quality in peaches (Prunus persica L. Batsch cv.Andross) for processing." Doctoral thesis, Universitat de Lleida, 2010. http://hdl.handle.net/10803/8248.

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El presseguer és un fruiter important a la regió fructícola de Lleida (nord-est d'Espanya), amb un augment progressiu durant els darrers anys. Les tendències actuals van cap a plantacions d'alta densitat, noves varietats i sistemes de reg per goteig. Els productors de presseguer estan interessats en gestionar el reg i la fertilització nitrogenada, per què afecten el creixement de l'arbre i poden ajudar a millorar els resultats de collita i qualitat de la fruita. Es va establir un experiment de camp de tres anys (2006-2008) en presseguer cv. Andross en una plantació comercial amb recol·lecció m

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Ballester, Lurbe Carlos. "Regulated deficit irrigation in citrus: agronomic response and water stress indicators." Doctoral thesis, Universitat Politècnica de València, 2013. http://hdl.handle.net/10251/28582.

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In the Mediterranean area water is a scarce natural resource and periods of drought are frequent. It is then important to increase water use efficiency of irrigated crops. In order to achieve this, one promising option is regulated deficit irrigation (RDI). RDI consists in reducing water application during stages of crop development when yield and fruit quality have low sensitivity to water stress. Full irrigation is provided during the rest of the season to maintain production and fruit quality at adequate levels (Behboudian and Mills, 1997). In citrus, flowering and fruit set are sensitive p

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Graves, Leila Anne. "Plant Growth Regulator Sprays and Girdling: Potential Horticultural Techniques to Increase Fruit Retention and Yield of Longan (Dimocarpus longan Lour.) Trees in California." DigitalCommons@CalPoly, 2009. https://digitalcommons.calpoly.edu/theses/140.

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Abstract Plant Growth Regulator Sprays and Girdling: Potential Horticultural Techniques to Increase Fruit Retention and Yield of Longan (Dimocarpus longan Lour.) Trees in California Leila Graves June 2009 The longan is a subtropical fruit tree whose popularity is growing quickly among American consumers, and thus, could become a lucrative niche market for California growers. Trees planted as part of an initial variety trial conducted in commercial California orchards are beginning to bear fruit. However, fruit retention and yields are low due to excessive abscission during early fruit s

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Alem, Hubert. "Impact of the carbon source/sink balance on glycosylated aroma precursor accumulation in grapevine fruit (Vitis vinifera L.)." Thesis, Montpellier, SupAgro, 2018. http://www.theses.fr/2018NSAM0062.

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Les composés aromatiques sont des métabolites secondaires qui jouent un rôle clé dans la qualité du raisin. Les terpènes, les C-13 norisoprénoïdes, les phénols et les alcools non terpéniques sont les composés aromatiques les plus importants dans les raisins et peuvent être accumulés sous forme de molécules libres volatiles ou glyco-conjugués. Le groupe des précurseurs aromatiques glycosylés (GAP) est le plus important et il est présent dans toutes les variétés de Vitis vinifera (L.), l'espèce la plus largement utilisée pour la production de vin. Les GAP représentent 80 à 90% du potentiel aroma

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Nicholson, Allison Frances. "The root environment as influenced by mulches, on two different soil types and the resulting effect on fruit yield and sunburn of 'Cripps' Pink' apples." Thesis, Stellenbosch : Stellenbosch University, 2012. http://hdl.handle.net/10019.1/71960.

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Thesis (MScAgric)--Stellenbosch University, 2012.<br>ENGLISH ABSTRACT: An investigation into the effects of different mulches on the root environment, encompassing physical, chemical and biological factors of the soil, on two different soil types was done in the form of a field trial on ‘Cripps’ Pink’ apples. Three organic mulches were tested: compost, vermi-castings and woodchips, as well as an inorganic mulch, geotextile fabric, and were compared against clean cultivation. The organic treatments resulted in improved physical conditions (lower bulk densities) in the heavier soil, as wel

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