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Journal articles on the topic 'Fruit trees'

Author: Grafiati
Published: 4 June 2021
Last updated: 25 July 2025

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1

Fliszkiewicz, Monika, and Karol Giejdasz. "Effect of Pollination by the Osmia Bicornis (syn. O. rufa) Bee on Fruit Set, Seed Set and Yield in Three Apple Cultivars." Journal of Apicultural Science 67, no. 2 (2023): 125–34. http://dx.doi.org/10.2478/jas-2023-0011.

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Abstract Our study tested the pollination effectiveness of the megachilid bee Osmia bicornis L. (syn. Osmia rufa) on three apple cultivars (cv.): Lobo, Piros and Champion. The following pollination treatments were compared for each cultivar: insect pollination - caged trees with Osmia bicornis (syn. Osmia rufa) bees; open pollination - uncaged trees; self-pollination - caged trees without bees. Pollination success was measured based on the percentage of fruit set, the fruit yield per tree (measured as number of fruits and total fruit weight) and the number of seeds per fruit. Generally, there
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2

Vanghele, Nicoleta Alexandra, Ancuța Alexandra Petre, Andreea Matache, and Dumitru Bogdan Mihalache. "VALORIZATION IN THE AGRO-FOOD INDUSTRY OF WASTE FROM TREES FRUIT TREES." Fruit Growing Research 38 (December 22, 2022): 138–44. http://dx.doi.org/10.33045/fgr.v38.2022.20.

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In the context of the circular economy, the recovery of wood waste from fruit trees as well as fruit residues contribute greatly to sustainable development. The main bioactive products from fruits and fruit trees have multiple properties including antioxidant, antimicrobial, antifungal, biostimulant, anti-inflammatory, cardioprotective anticarcinogenic. From an economic and ecological point of view, the implementation of the concept of biological recovery of waste and its incorporation into a sustainable and renewable cycle is possible, but this requires integrated technology and systematic ma
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Stančić, Ivica, Jelica Živić, Saša Petrović, and Desimir Knežević. "THE EFECTS OF A CULTIVATION METHOD ON TOMATO YIELD SOLANUM LYCOPERSICUM L." International Conference on Technics, Technologies and Education, ICTTE 2019 (2019): 434–37. http://dx.doi.org/10.15547/ictte.2019.07.008.

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Investigated the effect of different forms of training system the yield of tomatoes in greenhouses. The study involved the genetic forms of tomatoes with one, two and three trees. The influence of training system on the number of fruits per plant, fruit weight, fruit yield per plant and fruit yield per m2. The highest average yield per plant was achieved by growing tomatoes in the three trees, planting a tree in the form given by the average large fruit, and the highest number of fruits per plant was obtained with the training system with three trees, and the lowest in the training system on a
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4

Šubíková, V., E. Kollerová, and Ľ. Slováková. "Occurrence of nepoviruses in small fruits and fruit trees in Slovakia." Plant Protection Science 38, SI 2 - 6th Conf EFPP 2002 (2017): 367–69. http://dx.doi.org/10.17221/10493-pps.

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A survey of nepoviruses in small fruits and fruit trees in thirteen localities of Slovakia was undertaken during the last three years. The samples of spontaneously infected small fruits and fruit trees with symptoms such as leaf yellowing, mottling, chlorotic spotting, vein clearing, chlorosis, dwarfing, and in some cases even plant dying, were analysed. Virus identification in collected samples from affected crops was performed by ELISA using polyclonal antibodies. The following quarantine nepoviruses were detected: Tobacco ringspot nepovirus, Tomato ringspot nepovirus, Tomato black ring nepo
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5

Chen, Hong, Greg McCollum, Elizabeth Baldwin, and Jinhe Bai. "Impacts of Huanglongbing Symptom Severity on Fruit Detachment Force and Mechanical Properties of Sweet Oranges (Citrus sinensis)." HortScience 51, no. 4 (2016): 356–61. http://dx.doi.org/10.21273/hortsci.51.4.356.

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This study evaluated the effects of huanglongbing (HLB) symptom severity on fruit detachment force (FDF) and fruit mechanical properties in sweet oranges (Citrus sinensis) as indicators of potential HLB-influenced preharvest fruit drop and postharvest damage and breakdown. FDF for fruit from HLB-asymptomatic trees (AS) was substantially greater than for fruits from HLB-symptomatic trees or branches. Fruit hardness, resilience, springiness, and cohesiveness values, measured by texture profile analysis (TPA), represent various aspects of fruit firmness and recovery capacity once compressed, and
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6

TODESCHINI, Felipe, José Julio de TOLEDO, Luis Miguel ROSALINO, and Renato Richard HILÁRIO. "Niche differentiation mechanisms among canopy frugivores and zoochoric trees in the northeastern extreme of the Amazon." Acta Amazonica 50, no. 3 (2020): 263–72. http://dx.doi.org/10.1590/1809-4392202000732.

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ABSTRACT Frugivores and zoocoric trees represent an important proportion of tropical rainforest biodiversity. As niche differences favor species coexistence, we aimed to evaluate morphological and temporal niche segregation mechanisms among zoochoric trees and canopy frugivores in a tropical rainforest in the northeastern extreme of the Brazilian Amazon. We tested the effects of fruit morphology, tree size, frugivore body size and time of day on fruit consumption. We recorded the frugivore species that fed on 72 trees (44 species, 22 genera) and whether these frugivores swallowed the seeds. We
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BORDEANU, Bianca, Ioan OROIAN, Antonia ODAGIU, Ioan BRASOVEAN, and Cristian IEDERAN. "Main Pathogens Affecting the State of Health of Fruit Tree Nurseries in Transylvania Region." Bulletin of University of Agricultural Sciences and Veterinary Medicine Cluj-Napoca. Agriculture 70, no. 2 (2013): 352–58. http://dx.doi.org/10.15835/buasvmcn-agr:9755.

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Transylvania Region, due to its climatic conditions represents a propitious region for fruit trees nurseries that produce fruit planting material. Prospects for fruit tree nurseries are huge considering the very large areas of sloping lands, often with bound soils for perennial crops, as trees and shrubs. Currently in Transylvania Region, fruit tree nurseries occupy a percentage of 15.78 % reported to the percentage of tree nurseries in Romania.   The main pathogens identified in Transylvania region at apple and pear nurseries: for A
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8

M.M.S., Saleh, A. S. E. Abd-Allah, Aml R. M. Yousef, and E. A. M. Mostafa. "The beneficial effects of overhead shading net on fruit cracking control, productivity and quality of pomegranate fruits." International Journal of Latest Technology in Engineering, Management & Applied Science XII, no. VI (2023): 01–06. http://dx.doi.org/10.51583/ijltemas.2023.12601.

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A field experiment was carried out during 2020 and 2021 seasons to examine the effects of different overhead shading net colors (white and blue) on fruit cracking percentage, productivity, leaf chlorophyll and leaf mineral content, also fruit quality of M 116 pomegranate trees grown under sandy soil conditions compared with the farm treatment (coving fruits with Kraft paper) and the untreated trees (control). The obtained results showed that shading pomegranate trees with blue or white net significantly increased number of fruits per tree, the total yield (kg), fruit weight (g) and reduced fru
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9

Chander, Subhash. "Effect of hand defoliation on advancing fruiting in sugar apple (<i>Annona squamosa </i>L.) cv. Balanagar." Indian Journal of Arid Horticulture 6, no. 1 (2025): 37–41. https://doi.org/10.48165/ijah.2024.6.1.5.

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Sugar apple cultivar ‘Balanagar’ comes to harvest during August-September under mild tropical climate, which coincides with monsoon rains resulting in poor fruit quality and high susceptibility to anthracnose and fruit fly. An attempt was made to advance the fruiting in this cultivar through hand defoliation in 2017-18 at ICAR IIHR, Bengaluru. The effects of defoliation on flowering and fruiting were compared. Early sprouting, flowering and fruit harvest were recorded in the defoliated trees. Earliest fruits were harvested during 3rd week of April (216 days) from the defoliated trees while the
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10

Ward, Daniel, and Richard Marini. "Ethephon Alters the Physiology of Young Apple Fruits." HortScience 33, no. 3 (1998): 497b—497. http://dx.doi.org/10.21273/hortsci.33.3.497b.

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Methods are needed to quickly assess the efficacy of chemical thinning treatments, so, if needed, additional treatments can be applied. When fruit diameter averaged 19 mm, `Smoothee' trees were sprayed with Ethrel at the rate of 3.7 ml formulation/L to induce abscission of most fruits on the tree. The diameter of 10 fruit/tree were measured daily and fruits were sampled 2, 4, and 6 days after treatment (DAT) to evaluate fruit development. Fruit on nontreated trees increased in diameter at the rate of about 0.7 to 0.9 mm/day. Fruit growth on treated trees was normal for 1 day, slowed to 0.5 mm
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11

Ragusa-Netto, J. "Crop damage of Eriotheca gracilipes (Bombacaceae) by the Blue-Fronted Amazon (Amazona aestiva, Psittacidae), in the Brazilian Cerrado." Brazilian Journal of Biology 74, no. 4 (2014): 837–43. http://dx.doi.org/10.1590/1519-6984.04713.

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Seed predation has major effects on the reproductive success of individuals, spatial patterns of populations, genetic variability, interspecific interactions and ultimately in the diversity of tree communities. At a Brazilian savanna, I evaluated the proportional crop loss of Eriotheca gracilipes due the Blue-Fronted Amazon (Amazona aestiva) during a fruiting period. Also, I analyzed the relationship between proportional crop loss to Amazons and both fruit crop size and the distance from the nearest damaged conspecific. Trees produced from 1 to 109 fruits, so that Amazons foraged more often on
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12

Al-Dulaimy, Ahmed F. Z., Ayad H. Alalaf, R. E. Y. Al-Hayali, and D. K. A. Al-Taey. "Flowers and Fruits Abortion in Fruit Trees ... Causes and Solutions: A review." IOP Conference Series: Earth and Environmental Science 1158, no. 4 (2023): 042010. http://dx.doi.org/10.1088/1755-1315/1158/4/042010.

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Abstract The history of planting fruit trees dates back to the presence of mankind on Earth. The people’s interest in cultivating it has increased with the progress of their civilization, as the fruit has become important in human food and his environment. The fruit-growing areas of both types, evergreen and deciduous, spread from north to south of Iraq. Palm cultivation is concentrated in the southern provinces, while palm, citrus, olive, pomegranate and others are concentrated in the central provinces. In the northern regions, the cultivation of apples, grapes, olives, stone kernels and Nut
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13

Keller, George. "Trees without Fruit." Change: The Magazine of Higher Learning 17, no. 1 (1985): 7–10. http://dx.doi.org/10.1080/00091383.1985.9940513.

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14

YESHITELA, T., P. J. ROBBERTSE, and J. FIVAS. "EFFECTS OF FRUIT THINNING ON ‘SENSATION’ MANGO (MANGIFERA INDICA) TREES WITH RESPECT TO FRUIT QUANTITY, QUALITY AND TREE PHENOLOGY." Experimental Agriculture 40, no. 4 (2004): 433–44. http://dx.doi.org/10.1017/s0014479704002091.

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Different fruit thinning methods were tested on ‘Sensation’ mango trees over two seasons in a trial conducted in Northern Province, South Africa. The objective of the study was to select the best thinning intensity and method based on different parameters. Thinning was carried out in October prior to the occurrence of excessive natural fruit drop. When fruits were thinned to one and two fruits per panicle, fruit number, weight and yield per tree at harvest were all increased. When 50% of the panicles were thinned there was an increase in the fruit retention potential of the trees as well as in
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15

Wociór, Stanisław. "Influence of hand thinning of flowers and fruits on yielding and fruit quality of apples cultivar Szampion." Acta Agrobotanica 61, no. 2 (2012): 141–46. http://dx.doi.org/10.5586/aa.2008.042.

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The thinning of flowers and fruit sets did not change the strength of tree growth in a signifi cant way. Szampion cv. trees on rootstock A 2 grew better than on M.7. The trees of Szampion RENO cv. grew significantly worst. The thinning of flowers and fruit sets decreased the yield from a tree and the total yield from 1 ha of the studied biological material. Flower thinning slightly increased the mean commercial yield as compared to the control trees. Thinning of 50% of flowers at the stage of the pink bud and sets after the June fall decreased the number of fruits on the trees of Szampion cv.
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16

Maisels, Fiona, Stephen Blake, and Andrea Turkalo. "Wild forest elephants shake down fruit and leaves from trees." Pachyderm 33 (December 30, 2002): 88–90. http://dx.doi.org/10.69649/pachyderm.v33i1.1115.

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This short paper reviews aspects of observed feeding behaviour of forest elephants in the vicinity Bomassa near of the headquarters of Nouabale-Ndoki NP, near the Dzanga Clearing and in Gamba. These observations suggest that 'forest elepants frequently manipulate both objects and inedible parts of food plants to obtain food as part of their behavioural repertoire'. The assumption that forest elephant simply eat the fallen fruit is no longer valid, these observations note animals knocking fruit down by throwing sticks, using branches to swipe at fruit and foliage, shake trees, and push at trunk
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17

Paprštein, F., J. Sedlák, and V. Holubec. "On-farm orchards of fruit trees." Czech Journal of Genetics and Plant Breeding 46, Special Issue (2010): S65—S69. http://dx.doi.org/10.17221/2669-cjgpb.

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Four on-farm plantations (KRNAP Vrchlabí, the Orchard of Reconciliation in Neratov, Podyjí National Park, and Šumava National Park) were successfully established in a traditional form, with large orchard trees on seedling rootstocks. Certain accessions (cultivars) for on-farm conservation in the given locality were selected, according to the incidence and presentation of genotypes in these particular areas. This information was obtained by localization of fruit trees &lt;I&gt;in situ &lt;/I&gt;and the determination of certain cultivars. Nursery stock production for onfarm plantations is descri
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18

Taylor, Bradley H. "EFFECT OF GA3 ON THE TIME OF MATURITY, FIRMNESS, COLOR AND SIZE OF PEACH FRUIT." HortScience 25, no. 9 (1990): 1167c—1167. http://dx.doi.org/10.21273/hortsci.25.9.1167c.

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G A3 sprays (50, 65, 100 mg/L) were applied to six single tree replications of mature `Redhaven' and `Cresthaven' trees on 23 June 1989 to measure their effect on fruit maturity and the relationship among its indices. There was little effect of GA3 on fruit diameter except on the final harvest when the treated trees had 6% larger fruits. Seventy-two percent of the total yield of `Redhaven' control trees was mature at the first picking while only 30% of total yield from treated trees was ready on the same date. GA3 had a similar effect on fruit maturation on `Cresthaven'. Fruit on treated `Redh
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19

De Mello Farias, Roseli, Caroline Farias Barreto, Carlos Roberto Martins, Renan Ricardo Zandoná, Andressa Vighi Schiavon, and Paulo Celso De Mello Farias. "Chemical thinning of peach trees." Comunicata Scientiae 13 (June 12, 2022): e3686. http://dx.doi.org/10.14295/cs.v13.3686.

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Peach tree thinning is essential to harvest quality fruits and to keep balanced production for several years. Manual thinning of peach trees demands much work force and increases production costs. Chemical thinning may be an alternative solution, but efficiency depends on doses and species. This study aimed at evaluating the effect of metamitron – applied at different concentrations – on chemical thinning of peach trees in the south of Brazil. The experiment was carried out in a commercial peach tree orchard where ‘Sensação’ cultivars, in Morro Redondo, Rio Grande do Sul (RS) state, Brazil. Th
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20

Reddy, Y. T. N., S. R. Shivu Prasad, and K. K. Upreti. "Effect of Paclobutrazol on Fruit Quality Attributes in Mango (Mangifera indica L.) Cv. Totapuri." Journal of Horticultural Sciences 8, no. 2 (2013): 236–39. http://dx.doi.org/10.24154/jhs.v8i2.309.

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Paclobutrazol application restricts vegetative growth while improving flowering and fruiting in mango. In the present study, effect of soil drenching with Paclobutrazol @ 3.0ml m-1 canopy diameter, applied during the 3rd week of August, on fruit quality attributes was investigated in cv. Totapuri. Parameters like fruit weight, total soluble solids (TSS), % acidity, and content of ascorbic acid, carotenoids, lycopene and individual sugars was estimated. Paclobutrazol application increased average fruit weight, TSS and content of ascorbic acid and total carotenoids, and reduced the acidity in fr
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21

Tetteh, Rashied, Lawrence Misa Aboagye, Eric Ansah Osafo, Robert Darko, Augustine Dassah, and Jennifer Obirih-Opareh. "Effect of tree age on fruit characteristics, seed emergence and seedling growth in Rambutan (Nephelium lappaceum L.)." Journal of Horticultural Sciences 17, no. 1 (2022): 245–48. http://dx.doi.org/10.24154/jhs.v17i1.991.

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Rambutan (Nephelium lappaceum L.) is an important exotic fruit from Asia, which is gaining popularity due to its nutritional benefits. The objective of the study was to evaluate the effect of tree age on fruit characteristics, seed emergence and seedling growth of rambutan. The study was conducted at the CSIR-Plant Genetic Resources Research Institute, Bunso, Ghana. Fruits of rambutan were harvested from 8, 10, 25 and 40 years old trees at different locations of the field genebank. For each tree age, three trees were used as replicates. Fruits harvested from trees of different ages were assess
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22

Toy, Robin J., and Sandra J. Toy. "Oviposition preferences and egg survival in Nanophyes shoreae (Coleoptera, Apionidae), a weevil fruit-predator in South-east Asian rain forest." Journal of Tropical Ecology 8, no. 2 (1992): 195–203. http://dx.doi.org/10.1017/s0266467400006349.

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ABSTRACTNanophyes shoreae (Coleoptera, Apionidae) is a pre-dispersal fruit-predator of dipterocarp trees in South east Asian rain forest These trees frequently abort a large part of their fruitcrop soon after anthesis, coincident with N shoreae oviposition Fruit parameters, related to the incidence of weevil attack, were investigated by examination of fruit collected from host trees and through observations made in the canopy Fruit size and the incidence of prior oviposition determined whether beetles initiated attacks However, many fruits were attacked without oviposition occurring and this i
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23

Garriz, P. I., G. M. Colavita, H. L. Alvarez, and A. J. Alvarez. "Effect of Upright Shoot Removal on Fruit Size and Maturity of Four-year-old `Braeburn' Apple Trees." HortScience 33, no. 3 (1998): 496e—497. http://dx.doi.org/10.21273/hortsci.33.3.496e.

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The effect of upright shoot removal on the progress of maturity and fruit size around the normal picking time were evaluated for apple fruits cv. `Braeburn' at the Experimental Farm of the Comahue National Univ., Rio Negro, Argentina, during the 1996–97 growing season. The experiment was conducted on 4-year-old trees, spaced 4.0 × 2.3 m and trained to palmette leader. Average fruit load was 80 fruits per tree. Five trees per treatment were randomly selected; they were: 1) select cuts: water sprouts were eliminated entirely at 78 days after full bloom (DAFB) and additional removal of newly form
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24

Pavel, E. W., and T. M. DeJong. "Source- and Sink-limited Growth Periods of Developing Peach Fruits Indicated by Relative Growth Rate Analysis." Journal of the American Society for Horticultural Science 118, no. 6 (1993): 820–24. http://dx.doi.org/10.21273/jashs.118.6.820.

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Peach [Prunus persica (L.) Batsch] fruit thinning was used to reduce the competition for assimilates among peach fruits and to identify periods of source- and sink-limited growth during development. Individual fruit size, based on diameter or calculated dry matter accumulation, increased in trees with lower crop loads compared to fruits of unthinned trees in three peach cultivars. Relative growth rate analysis indicated that peach fruit growth was apparently limited by the assimilate supply (source-limited) or by its genetic growth potential (sink-limited) during specific growth periods. In st
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25

Kushad, Mosbah M. "Performance of `Gala' Apple Grown on Seven Rootstocks in Illinois." HortScience 30, no. 4 (1995): 793A—793. http://dx.doi.org/10.21273/hortsci.30.4.793a.

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Yield performance and postharvest quality of `Gala' apple on Mac.39, P.1, Mark M.26E, M.9E, B.9, and M.27E were evaluated. Trees on B.9 and Mark had the highest yield efficiency, while trees on P.1 and M.9E had the lowest yield efficiency. Trees on P.1 were most vigorous, while trees on B.9 and M.27E were least vigorous. Trees and fruit buds survived a –32C during Jan. 1994. Fruit firmness, soluble solids, starch, and ethylene production rate were similar in fruits from all seven rootstocks at harvest. However, after 3 months in storage, fruits from trees on M.27E, P.1, and Mark rootstocks wer
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26

Kretz, Eleonore, Irmgard Jordan, Annet Itaru, et al. "Determinants of Children’s Fruit Intake in Teso South Sub-County, Kenya—A Multi-Phase Mixed Methods Study among Households with Children 0–8 Years of Age." Nutrients 13, no. 7 (2021): 2417. http://dx.doi.org/10.3390/nu13072417.

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Fruits are micronutrient-rich sources which are often underrepresented in children’s diets. More insights into the determinants of children’s fruit consumption are needed to improve nutrition education in Teso South Sub-County, Kenya. A multiphase mixed method study was applied among 48 farm households with children 0–8 years of age. A market survey together with focus group discussions were used to design a formative research approach including qualitative and quantitative data collection methods. The unavailability of fruits and the inability to plant fruit trees in the homesteads were the m
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Aljuburi, Hameed J., Hasan Al-Masry, and Saeed A. Al-Muhanna. "479 Fruit Characteristics and Productivity of Date Palm Trees (Phoenix dactylifera L.) as Affected by Some Growth Regulators." HortScience 35, no. 3 (2000): 476E—477. http://dx.doi.org/10.21273/hortsci.35.3.476e.

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Date palm trees are among the most plentiful fruit trees in the Arabian Gulf States. Bioregulators have been used for the improvement of quality and productivity of date plam tree fruits. Application of gibberellic acid (GA3), naphthalene acetic acid (NAA), and ethephon, separately or in a mixture, has significant effects on fruit set, fruit dry matter percentage, fruit soluble percentage, fruit ripening, and yield of date palm trees. A study was conducted to assess relative effectiveness of GA3, NAA, ethephon, and a mixture of growth regulators on some fruit characteristics, and productivity
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Yadava, U. L. "Performance of Three Guava Cultivars in Middle Georgia." HortScience 32, no. 3 (1997): 474A—474. http://dx.doi.org/10.21273/hortsci.32.3.474a.

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Two-year-old trees of `Red Flesh' (RDF) and `Lucknow-49' (L49) guavas from India and `Beaumont' (BMT) guava from Hawaii were established in the field during Spring 1995, inside an open wooden structure equipped with electric heaters and fans. Trees were cold-protected from November to the middle of April by covering the wooden structure with 6-mil clear polyethylene and using heaters and fans. Trees of RDF grew compact, while those of L49 and BMT were open, upright, and grew taller. Other than blossom-end rot on few fruits, no incidents of insect-pest and diseases were observed on trees or fru
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29

Ádám, Csihon, Gonda István, Orosz-Tóth Mihály, Kincses Sándorné, and Holb Imre. "Cseresznyefák terméshozását és gyümölcsminőségét befolyásoló műtrágya kísérletek eredményei." Agrokémia és Talajtan 69, no. 1-2 (2020): 43–53. http://dx.doi.org/10.1556/0088.2020.00071.

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Plant nutrition significantly influences yield and fruit quality in fruit orchards. In this three-year study (2016–2018), different fertilizer treatments were compared in an intensive sweet cherry orchard. Trees of cultivar ‘Carmen’ were grafted on Prunus mahaleb ‘Cema’ rootstock, and were trained to free spindle. For NP, NPK and NPKMg treatments, yield ranged between 11.8 and 16.6 kg/tree in the three years, while the yield was 9.1 kg/tree on the control trees. Crop load (fruit amount calculated to the trunk thickness) was 151–166 g cm-2 for fertilized trees, while it was 120 g cm-2 on the un
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Marini, Richard P. "Heading Fruiting Shoots before Bloom Is Equally Effective as Blossom Removal in Peach Crop Load Management." HortScience 37, no. 4 (2002): 642–46. http://dx.doi.org/10.21273/hortsci.37.4.642.

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Three experiments were performed to determine if pruning treatments could reduce the need for peach [Prunus persica (L.) Batsch] fruit thinning without reducing average fruit weight. To determine if dormant shoot heading affected fruit size simply by reducing the number of flowers per tree, all 1-year-old shoots on `Cresthaven' trees were headed by 50% or blossoms were removed from the terminal half of each shoot. At 45 days after full bloom, all trees were hand-thinned to obtain predetermined crop densities. Average fruit weight was highest on trees with blossom removal, but crop value and ne
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Mratinic, Evica, and Milica Fotiric-Aksic. "Indigenous fruit species as a significant resource for sustainable development." Bulletin of the Faculty of Forestry, suppl. (2014): 181–93. http://dx.doi.org/10.2298/gsf14s1181m.

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Sustainable agriculture means increasing yields and profits without degrading the natural resources which are the most important for agricultural production. The aim is to meet the people?s needs for food and improve the quality of life while preserving the environment. Among hundreds of forest species, particular attention is drawn to the wild relatives of cultivated fruit trees, so called indigenous fruit trees, whose regular collection, production and use can affect all aspects of agricultural economy. The natural habitats of the Republic of Serbia include 15 families and 26 genera with 100
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أبو رحيل, عبد الحسن مدفون, and عبد الكاظم علي الحلو. "Effect of light requirements and relative humidity on cultivation and production of fruit trees." Kufa Journal of Arts 1, no. 30 (2017): 39–54. http://dx.doi.org/10.36317/kaj/2016/v1.i30.6077.

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The study aims to show the relationship between the requirements of light and moisture in the cultivation and growth of fruit trees. It has been shown through the study that light has an important role in increasing photosynthesis processes, which leads to an increase in the size of trees and large fruits. The amount of light intensity determines the percentage of sugar and acidity in fruits, through its effect on the components involved in the process of photosynthesis, in addition to that moisture affects the vegetative and fruitful growth of fruit trees, especially citrus and palm trees. As
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Mariguele, Keny Henrique, and Paulo Sérgio Lima e. Silva. "Relationship between fruit traits of custard apple trees (Annona squamosa L.)." Revista Ceres 57, no. 4 (2010): 476–79. http://dx.doi.org/10.1590/s0034-737x2010000400006.

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The objective of this study was to estimate simple and partial coefficients of correlation, as well as to divide their effects into direct and indirect using path analysis for custard apple tree traits. Twenty half-sibling progenies were evaluated in a randomized block design with five replicates, and plots consisting of four plants. Six traits were evaluated in the first cropping season (mean number of seeds per fruit and mean weight of the pericarp, pulp, pedicel, seeds per fruit, and the whole fruit), while five traits were evaluated in the first three cropping seasons (mean fruit length an
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Blanco-Fuentes, Ruben Darío, Leider José Castro-Torres, Miguel Mariano Espitia-Camacho, Hermes Araméndiz-Tatis, and Carlos Cardona-Ayala. "Path analysis between fruit biometric traits of Caesalpinia ebano H. Karst." Revista de Ciencias Agrícolas 39, no. 2 (2022): 186–97. http://dx.doi.org/10.22267/rcia.223902.187.

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Caesalpinia ebano is a tropical tree from Colombia; its conservation status is in the endangered category since the remaining populations are suffering genetic erosion. The objective of this study was to estimate the phenotypic (rF) and genetic (rG) correlations among biometric fruit and seeds traits, and the path analysis for the fruit weight. Ten trees (treatments) were evaluated under the random effects model, with 10 fruits/tree as replications. There was significant variability between trees for seven quantitative traits. The fruit weight showed genetic correlations with six traits (0.56*
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35

Del Brio, Dolores, Valentin Tassile, Sergio Jorge Bramardi, Darío Eduardo Fernández, and Pablo Daniel Reeb. "Apple (Malus domestica) and pear (Pyrus communis) yield prediction after tree image analysis." Revista de la Facultad de Ciencias Agrarias UNCuyo 55, no. 2 (2023): 1–11. http://dx.doi.org/10.48162/rev.39.104.

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Yield forecasting depends on accurate tree fruit counts and mean size estimation. This information is generally obtained manually, requiring many hours of work. Artificial vision emerges as an interesting alternative to obtaining more information in less time. This study aimed to test and train YOLO pre-trained models based on neural networks for the detection and count of pears and apples on trees after image analysis; while also estimating fruit size. Images of trees were taken during the day and at night in apple and pear trees while fruits were manually counted. Trained models were evaluat
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36

Levey, Douglas J. "Habitat-dependent fruiting behaviour of an understorey tree,Miconia centrodesma, and tropical treefall gaps as keystone habitats for frugivores in Costa Rica." Journal of Tropical Ecology 6, no. 4 (1990): 409–20. http://dx.doi.org/10.1017/s026646740000479x.

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ABSTRACTFruit production by an understorey tree,Miconia centrodesma, was monitored in treefall gaps and under intact canopy in a Costa Rican lowland rain forest. Trees in gaps displayed much less seasonality in fruit production than trees of intact forest sites. For example, ripe fruits were common on gap trees for a six month period (January-June) when few or no trees under intact canopy were in fruit. The frequent and aseasonal fruiting of gap trees demonstrates that they are not constrained by phenological cueing mechanisms; the influence of such cues is overridden by habitat. Trees in gaps
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37

Drén, Gábor, Mária Dani, József Racskó, and Sándor Thurzó. "The effect Benefit PZ biostimulant on the fruit size and yield production of apricot varieties (Prunus Armeniaca)." Acta Agraria Debreceniensis, no. 22 (May 23, 2006): 16–18. http://dx.doi.org/10.34101/actaagrar/22/3180.

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Fruit size is determined by the genetic makings of varieties the pomology and enviromental factors. The climate and the previous year’s harvested yield have a great effect on yield volume. It is not easy to harmonize the qualitative and quantitave parameters of the fruit. High yield usually causes smaller fruits.The aim of our trials was to evalaute the effect of Benefit PZ biostimulant on fruit size. We examined two apricot varieties (Bergeron, Magyarkajszi C235) for the efficacy of the product. The three applications were made with 400 l/ha water with 2500 ppm. The optimal interval of applic
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38

Al-Saif, Adel M., Haitham Ahmed El-khamissi, Ibrahim Ahmed Elnaggar, et al. "Licorice-root extract and potassium sorbate spray improved the yield and fruit quality and decreased heat stress of the ‘osteen’ mango cultivar." PeerJ 12 (October 7, 2024): e18200. http://dx.doi.org/10.7717/peerj.18200.

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Heat stress, low mango yields and inconsistent fruit quality are main challenges for growers. Recently, licorice-root extract (LRE) has been utilized to enhance vegetative growth, yield, and tolerance to abiotic stresses in fruit trees. Potassium sorbate (PS) also plays a significant role in various physiological and biochemical processes that are essential for mango growth, quality and abiotic stress tolerance. This work aimed to elucidate the effects of foliar sprays containing LRE and PS on the growth, yield, fruit quality, total chlorophyll content, and antioxidant enzymes of ‘Osteen’ mang
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Jaroensutasinee, Krisanadej, Mullica Jaroensutasinee, Piyatida Boonsanong, and Elena Sparrow. "Mangosteen Yield and Fruit Quality under Regulated Irrigation with Sensors and IoT." Journal of Human, Earth, and Future 5, no. 2 (2024): 205–15. http://dx.doi.org/10.28991/hef-2024-05-02-05.

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Mangosteen (Garcinia mangostana L.) generates over 88 billion USD in export revenue to Thailand annually but is restrained due to fruit defects. This study aimed to determine whether smart irrigation with sensors, IoT, and real-time data collection for regulating stable soil water content affects mangosteen fruit quantity and quality. Climate, soil, and mangosteen parameters were compared between irrigated and non-irrigated productions. Flowering and fruit yield data were collected from twenty randomly selected mangosteen trees per irrigation treatment. The results showed that air and soil tem
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Mahdavi, Shahla, Esmaeil Fallahi, and Gennaro Fazio. "The Influence of Rootstock on Fruit Ethylene, Respiration, Index of Absorbance Difference, Fruit Quality, and Production of ‘Aztec Fuji’ Apple under a Full-crop Condition." HortScience 57, no. 1 (2022): 1–9. http://dx.doi.org/10.21273/hortsci16253-21.

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Selection of dwarfing rootstocks that facilitate optimum production of high-quality fruit is crucial in modern high-density apple orchards. In addition to tree growth and yield, rootstocks can influence fruit maturity of scion cultivars in apples. In this study, the impact of 17 rootstocks on fruit maturity, yield, and quality attributes of ‘Aztec Fuji’ apples (Malus domestica Borkh.) at harvest were evaluated in a season when all trees were in a “full-crop” condition. Keeping sealed fruit at room temperature, a typical climacteric pattern was observed in ethylene evolution, respiration, and o
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Vosnjak, Matej, Davor Mrzlic, Metka Hudina, and Valentina Usenik. "The Effect of Water Supply on Sweet Cherry Phytochemicals in Bud, Leaf and Fruit." Plants 10, no. 6 (2021): 1131. http://dx.doi.org/10.3390/plants10061131.

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The influence of a water supply on the content of phytochemicals (sugars, organic acids, hydroxycinnamic acids, flavonols, flavanols and anthocyanins) in the bud, leaf and fruit of sweet cherry (Prunus avium L.) was studied in two growing seasons. In addition, the shoot length, yield efficiency and fruit weight were determined. The trees of the cultivar ‘Regina’ on Weiroot 72 or Gisela 5 rootstocks were either irrigated or non-irrigated. Irrigated trees received, in addition to rainfall, an amount of water equal to 100% of evapotranspiration, while non-irrigated trees received only rainwater (
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Schupp, J. R., S. I. Koller, and W. D. Hosmer. "Testing a Power Duster for Pollination of `McIntosh' Apples." HortScience 32, no. 3 (1997): 473D—473. http://dx.doi.org/10.21273/hortsci.32.3.473d.

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This study was undertaken to test the efficacy of a power duster for supplemental pollination of `McIntosh' apple trees, where lack of nearby pollinizing cultivars was thought to be a limiting factor to productivity. The pollen duster was ineffective in increasing fruit set, fruit size, or seed number in fruits on limbs that were covered with spun-bonded rowcover material prior to bloom. Applying supplemental pollen to open-pollinated `McIntosh' trees had no effect on fruit set, yield, fruit size, or seed number, regardless of pollen dose, timing, or number of applications. Dispersal of supple
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43

Paunovic, Svetlana, and Rade Miletic. "The relationship between the end of the vegetation period and fruit properties in the walnut population in Eastern Serbia." Journal of Agricultural Sciences, Belgrade 68, no. 1 (2023): 97–104. http://dx.doi.org/10.2298/jas2301097p.

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The main objective of the study was to examine the walnut population from the region of Eastern Serbia for determining the relationship between the end of the vegetation period and fruit properties (fruit weight, kernel percentage, oil and crude protein contents). The walnut trees showed highly significant differences in the tested parameters. The walnut population was dominated by trees with a medium end of the vegetation period, moderate resistance to low temperatures (39.5%) and very small fruits (23.5%). The fruits of these trees had ? high kernel percentage (15.8%) and moderate oil and cr
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Fallahi, Esmaeil, Michael J. Kiester, Bahar Fallahi, and Lailiang Cheng. "Effects of Tree Spacing and Branch Configuration on Production, Fruit Quality, and Leaf Minerals of ‘Aztec Fuji’ Apple Trees in a Tatura Trellis System Over 5 Years." J. Amer. Soc. Hort. Sci. 149, no. 6 (2024): 337–45. http://dx.doi.org/10.21273/jashs05444-24.

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Tree spacing and branch architecture are critical for the productivity of high-density orchards. The influence of two tree spacings of 45.7 cm × 366 cm and 91.4 cm × 366 cm each with two branch architectures or configurations of shortened branch (ShBr) or overlapped branch (OverBr) on tree growth, yield components, fruit quality, and leaf mineral nutrients in an ‘Aztec Fuji’ apple (Malus domestica Borkh.) orchard with a 60-degree Tatura trellis (V) system was studied over 5 years. Trees planted with 91.4-cm spacing had a significantly greater trunk cross-sectional area (TCSA), higher number of
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45

Núñez-Elisea, R., J. H. Crane, and M. L. Caldeira. "473 Effect of Panicle Pruning and Bioregulators on Fruit Size in `Kohala' Longan." HortScience 35, no. 3 (2000): 475D—475. http://dx.doi.org/10.21273/hortsci.35.3.475d.

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Panicles of `Kohala' longan (Dimocarpus longan Lour.) trees often retain more than 250 fruit, which results in small fruit (&lt;10 g) of reduced market value. During 1997 and 1998, we conducted experiments to increase fruit size in commercial groves. Trees flowered and fruited normally in 1997, but very scarcely and late in 1998. In 1997, treatments consisted of panicle pruning (clipping off half of the panicle) and/or removal of entire panicles (50% per tree) when young fruits were 5 or 10 mm in diameter. Control trees were left intact. The number of fruit per panicle varied greatly within tr
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Tao, R., and T. Akagi. "Dioecy in fruit trees." Acta Horticulturae, no. 1342 (June 2022): 129–34. http://dx.doi.org/10.17660/actahortic.2022.1342.18.

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Cobianchi, Domenico, and Carlo Fideghelli. "Calcium in fruit trees." Giornale botanico italiano 127, no. 3 (1993): 484–89. http://dx.doi.org/10.1080/11263509309431031.

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48

Shrestha, G. K., M. M. Thompson, and T. L. Righetti. "Foliar-applied Boron Increases Fruit Set in ‘Barcelona’ Hazelnut." Journal of the American Society for Horticultural Science 112, no. 3 (1987): 412–16. http://dx.doi.org/10.21273/jashs.112.3.412.

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Abstract Boron (B) sprays applied to ‘Barcelona’ hazelnut orchards induced fruit set increases over controls, averaging 23% in 1984 and 17% in 1985. Leaves from B-sprayed trees had higher B contents than controls throughout the season. Amounts of B in young fruits increased two-fold with B sprays, but, unlike leaf values, differences between treated and control fruits disappeared by mid-summer. In the orchards studied, the B content of developing fruits from unsprayed trees was similar even though leaf B content varied widely. Because fruit set increases were obtained in both seasons with B sp
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Mansour, Mohammed, and Fater Mohamad. "Seasonal occurrence of the Mediterranean fruit fly, Ceratitis capitata (Wiedemann, 1824) (Diptera: Tephritidae) in southern Syria." Polish Journal of Entomology 85, no. 3 (2016): 311–23. http://dx.doi.org/10.1515/pjen-2016-0017.

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Abstract Population fluctuations of the Mediterranean fruit fly (medfly), Ceratitis capitata, were investigated between 1999 and 2001 at several locations representing fruit production areas in the southern part of Syria (Damascus Ghota, Zabadani, Sargaiah, Rankus, Orneh and Ain Al-Arab). Medfly adults were monitored weekly all year around using Jackson traps baited with trimedlure dispensers. Larvae were also sampled in Damascus Ghota by collecting fruits from ripe or ripening fruit trees and recording the number of larvae emerged from these fruits. In addition, suspected overwintering refuge
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Mira-García, Ana Belén, Wenceslao Conejero, Juan Vera, and María Carmen Ruiz-Sánchez. "Effect of Water Stress and Shading on Lime Yield and Quality." Plants 12, no. 3 (2023): 503. http://dx.doi.org/10.3390/plants12030503.

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The aim of this study was to test the combined effect of water stress and cropping system on yield and fruit quality in Bearss lime trees. For this purpose, two irrigation treatments were applied during stage II of fruit growth: control (well irrigated, automatically managed by soil water content sensors) and stress (non-irrigated), both under open-field and shaded conditions. Soil water status was assessed by determining soil water content and plant water status by measuring stem water potential (Ψstem), stomatal conductance (gs), and net photosynthesis (Pn). Yield parameters (kg and the numb
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