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Journal articles on the topic 'Chemical thinning'

Author: Grafiati

Published: 4 June 2021

Last updated: 25 July 2025

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1

RADIVOJEVIC, Dragan, Cedo OPARNICA, and Jasminka MILIVOJEVIC. "MODELING OF APPLE CHEMICAL FRUIT THINNING." "Annals of the University of Craiova - Agriculture Montanology Cadastre Series " 53, no. 1 (2023): 257–64. http://dx.doi.org/10.52846/aamc.v53i1.1470.

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Crop load management in intensive apple orchards must be done precisely to produce a high yield with marketable fruit size. It also ensures the formation of flower buds on the tree for the next season and prevents alternative bearing. In addition to pruning, flower and fruit thinning is another management method that has a major impact on crop yield. Compared to other methods, chemical thinning is the cheapest, can be done quickly and allows fruit thinning at the right time, which guarantees better fruit quality. The decision on the type of chemical agent, concentration and timing of applicati

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2

Bound, Sally A. "Managing Crop Load in European Pear (Pyrus communis L.)—A Review." Agriculture 11, no. 7 (2021): 637. http://dx.doi.org/10.3390/agriculture11070637.

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Reducing levels of fruit set is often desirable in many European pear (Pyrus communis L.) cultivars. With a negative linear relationship between crop load and fruit size, crop load management early in the season minimises wastage of tree carbohydrate resources and provides maximum benefits in terms of fruit size and quality. There are several tools available for managing crop load including hand thinning, chemical thinning, photosynthetic inhibition through shading or application of chemicals, mechanical thinning and pruning. While hand thinning is the most accurate method of reducing excessiv

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3

Stan, S., N. Burloi, Pr Ionescu, et al. "CHEMICAL THINNING OF PEACHES." Acta Horticulturae, no. 173 (December 1985): 395–404. http://dx.doi.org/10.17660/actahortic.1985.173.45.

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4

Bound, S. A., and Mitchell. "CHEMICAL THINNING IN NASHI." Acta Horticulturae, no. 596 (December 2002): 789–92. http://dx.doi.org/10.17660/actahortic.2002.596.136.

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5

Vercammen, J., A. Gomand, and D. Bylemans. "Chemical thinning of ‘Nicoter’." Acta Horticulturae, no. 1346 (September 2022): 447–54. http://dx.doi.org/10.17660/actahortic.2022.1346.57.

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6

Mu, Xinyang, Magni Hussain, Long He, et al. "An Advanced Robotic System for Precision Chemical Thinning of Apple Blossoms." Journal of the ASABE 66, no. 5 (2023): 1125–34. http://dx.doi.org/10.13031/ja.15678.

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Highlights A cartesian robotic spraying system was developed for precision apple blossom thinning. Flower clusters were detected and localized with deep learning model for target spraying. A communication algorithm was developed for positioning the spray end-effector to the target flowers. The cartesian robotic system greatly reduced chemical usage while maintaining thinning effectiveness in the final green fruit set. Abstract. Crop thinning, including blossom thinning, is one of the critical management strategies that determines the annual profitability of apple orchards. Challenges still rem

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7

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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8

ÇİĞDEM, Zekeriya, and Meltem AYAZ. "Alternate Bearing and Chemical Thinning Applications in Olives." Muş Alparslan University Journal of Agriculture and Nature 3, no. 2 (2023): 91–101. http://dx.doi.org/10.59359/maujan.1285873.

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In this review, in which the subject of alternance in olives is discussed, the effect of alternance on olive cultivation and the methods of coping with alternans are examined in line with the latest literature. The latest developments in chemical dilution, which is the most effective and most practical among alternative methods of combating alternance, are brought together. Chemical dilution studies on olives conducted in 2021 and before were searched for and presented in this review using various databases. As a result of the literature review, access to 20 scientific research articles direct

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9

Szafran, E., Z. Kizner, I. David, and S. Zilkah. "MODELLING CHEMICAL THINNING IN PEACH." Acta Horticulturae, no. 499 (October 1999): 123–28. http://dx.doi.org/10.17660/actahortic.1999.499.12.

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10

Brar, S. S., P. P. S. Minhas, and G. S. Kaundal. "CHEMICAL THINNING OF KINNOW MANDARIN." Acta Horticulturae, no. 321 (October 1992): 443–48. http://dx.doi.org/10.17660/actahortic.1992.321.47.

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11

Southwick, S. M., K. G. Weis, J. T. Yeager, M. E. Rupert, and J. K. Hasey. "CHEMICAL THINNING OF CLING PEACH." Acta Horticulturae, no. 465 (April 1998): 647–54. http://dx.doi.org/10.17660/actahortic.1998.465.81.

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12

Prunty, Regina M., and Richard P. Marini. "272 Chemical-thinning Asian Pears." HortScience 35, no. 3 (2000): 438B—438. http://dx.doi.org/10.21273/hortsci.35.3.438b.

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Asian pears bloom profusely and require early hand-thinning to produce large saleable fruit. In 1998, `Shinko' and `Hosui' trees were sprayed with Accel, Ethrel, NAA or carbaryl when average fruit diameter was ≈9 mm. Superior oil was added to all treatments at the rate of 2.5 mL/L. Fruit set was reduced 40 to 70% by Accel at 84 ppm and ethephon at 678 ppm, but NAA at 8 ppm and carbaryl were less effective. In 1999, Accel was applied at a range of 0 to 105 ppm and ethephon was applied at a range of 0 to 678 ppm. All treatments contained carbaryl and oil. Fruit set/100 flower clusters declined l

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13

Maas, F. M., H. J. Kanne, and P. A. H. van der Steeg. "CHEMICAL THINNING OF 'CONFERENCE' PEARS." Acta Horticulturae, no. 884 (December 2010): 293–304. http://dx.doi.org/10.17660/actahortic.2010.884.34.

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14

Berlanga-Reyes, David I., Alejandro Romo-Chacón, Ángel R. Martínez-Campos, and Víctor M. Guerrero-Prieto. "APPLE FRUIT CHEMICAL THINNING IN CHIHUAHUA, MÉXICO." Revista Fitotecnia Mexicana 31, no. 3 (2008): 243. http://dx.doi.org/10.35196/rfm.2008.3.243.

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Chemical fruit thinning is a common practice in apple (Malus x domestica Borkh.) orchards for achieving high quality fruits, reduced costs of hand-thinning and promote return of flowering. Hand thinning is a common and high cost practice, not only due to the labor involved, but also because seedling and vigorous clonal rootstocks result in large trees. The chemical thinning agents: Ethephon (ETH), Carbaryl (CB), Naphthalene acetic acid (NAA), 6- Benzyladenine (6-BA), and fish oil were evaluated on ‘Golden Delicious’ and ‘RedChief Delicious’ apple trees in 2004 and 2005. Chemical thinning effec

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15

Win, Nay Myo, Yang-Yik Song, Jong-Chul Nam, et al. "Influence of Mechanical Flower Thinning on Fruit Set and Quality of ‘Arisoo’ and ‘Fuji’ Apples." International Journal of Plant Biology 14, no. 2 (2023): 503–11. http://dx.doi.org/10.3390/ijpb14020039.

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This study aimed to identify the efficiency of mechanical flower thinning (MFT) and its influence on apple fruit quality. In the first experiment, ‘Arisoo’ apple flowers were subjected to MFT with one hundred sixty-two (half) and three hundred twenty-four (full) strings at the same rotor (300 rpm) and tractor (6 km/h) speeds. Hand thinning was performed as a control. The number of removed flowers in each terminal and lateral flower cluster was slightly higher in MFT with full-strings than that of MFT with half-strings. The fruit set rate was lower in MFT with full-strings than that of MFT with

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16

Milić, B., N. Magazin, Z. Keserović, and M. Dorić. "Flower thinning of apple cultivar Braeburn using ammonium and potassium thiosulfate: Short communication." Horticultural Science 38, No. 3 (2011): 120–24. http://dx.doi.org/10.17221/57/2011-hortsci.

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Ammonium and potassium thiosulfate are used commercially or experimentally as flower thinners because they are considered user, environment and consumer safe. The thinning trials were conducted in 2009 and 2010, on three- and four-year-old Braeburn Mariri Red* trees. The chemicals were applied at 1%, 2% and 3% rates of ammonium and 0.5%, 1% and 1.5% of potassium thiosulfate. Both thinning agents reduced fruit set, but were more efficient in 2009, when applied at 20% full bloom, than in 2010, when they were applied at 80% full bloom. Flower thinning with ammonium and potassium thiosulfate incre

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17

López, A., K. Zon, M. C. Dussi, et al. "ECONOMIC EVALUATION BETWEEN CHEMICAL THINNING VS. HAND THINNING IN 'WILLIAMS' PEAR." Acta Horticulturae, no. 909 (October 2011): 29–37. http://dx.doi.org/10.17660/actahortic.2011.909.1.

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18

Byers, Ross E., and Alson H. Smith. "Effect of Temperature on Chemical Apple Thinning Results." HortScience 30, no. 4 (1995): 852G—852. http://dx.doi.org/10.21273/hortsci.30.4.852g.

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An analysis of daytime high temperatures for the 10-year period from 1984 to 1993 indicated that, in the 21 days after full bloom (AFB) in 7 of 10 years, there were 3 days or more above 29.5C. In the 15- to 21-day period AFB, when fruit are considered at their optimum diameter (8 to 12 mm) for thinning, only 3 days above 29.5C were recorded. In the 15 to 21 days AFB, the high temperature was only 24C for 7 out of 10 years. Thus, growers would have to spray at temperatures 5.6C degrees lower if they were to choose to spray the warmest 3 days during the 15- to 21-day period when fruit are 8 to 1

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19

Byers, Ross E., and Alson H. Smith. "Effect of Temperature on Chemical Apple Thinning Results." HortScience 30, no. 4 (1995): 852G—852. http://dx.doi.org/10.21273/hortsci.30.4.852.

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An analysis of daytime high temperatures for the 10-year period from 1984 to 1993 indicated that, in the 21 days after full bloom (AFB) in 7 of 10 years, there were 3 days or more above 29.5C. In the 15- to 21-day period AFB, when fruit are considered at their optimum diameter (8 to 12 mm) for thinning, only 3 days above 29.5C were recorded. In the 15 to 21 days AFB, the high temperature was only 24C for 7 out of 10 years. Thus, growers would have to spray at temperatures 5.6C degrees lower if they were to choose to spray the warmest 3 days during the 15- to 21-day period when fruit are 8 to 1

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20

Bound, Sally. "Precision Crop Load Management of Apple (Malus x domestica Borkh.) without Chemicals." Horticulturae 5, no. 1 (2018): 3. http://dx.doi.org/10.3390/horticulturae5010003.

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Fruit thinning is an important management practice in commercial apple production. The standard industry practice for crop load management in many countries is based on bloom and/or post-bloom chemical thinning (CT) followed up with hand thinning. However, the response to CT is unpredictable and there is an increasing awareness of the environmental impact of many chemicals. Hence there is a need to find alternate environmentally acceptable methods for managing crop load. Artificial bud extinction (ABE), a thinning method that imitates natural bud extinction by manually removing buds before bud

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21

Byers, R. E., and D. H. Carbaugh. "Effect of Chemical Thinning Sprays on Apple Fruit Set." HortTechnology 1, no. 1 (1991): 41–48. http://dx.doi.org/10.21273/horttech.1.1.41.

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Apple growers of different regions need different chemical fruit-thinning responses for thinning trees of different tree ages, cultural conditions, rootstocks, climates, and amounts of fruit removal desired. In this research, a range of chemical thinning responses was achieved by combinations of thinning materials or addition of potentiating agents. Superior oil, certain organic phosphates, and a light-absorbing agent (ferbam, a fungicide) increased the thinning of carbaryl. In addition, combinations of 50 or 200 ml 6-BA/liter + carbaryl + oil defruited `Campbell Redchief Delicious'/M.111 tree

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22

Bound, Sally A. "Crop Load Management in Nashi Pear—A Review." Horticulturae 8, no. 10 (2022): 923. http://dx.doi.org/10.3390/horticulturae8100923.

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Most nashi cultivars require heavy thinning, and this has traditionally been performed by the time and labour-intensive practice of hand thinning. Crop load management is a key cost driver for nashi production, but there are limited cost-effective options available for nashi growers compared to other pome fruit, especially apples and, to a lesser extent, European pears. There is, however, potential to adapt some of the thinning tools and techniques used in apples and European pears to reduce the labour requirements and high cost of thinning in nashi, thus improving industry profitability. Seve

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23

Micke, Warren C., Joseph A. Grant, and James T. Yeager. "Chemical Thinning of `Gala' Apples in California." HortScience 32, no. 3 (1997): 525E—525. http://dx.doi.org/10.21273/hortsci.32.3.525e.

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`Gala', the third most widely planted apple cultivar in California, requires early and precise thinning to produce good fruit size. Thus, chemical thinning would be ideally suited for this cultivar. However, the normally prolonged bloom for apples in California makes timing of chemical thinning applications difficult. In 1995 and 1996 trials, several chemical thinning treatments provided significantly reduced fruit set on `Gala' compared to the untreated control. Three treatments showed promise for commercial use: 1) carbaryl, two applications at petal fall and again at 10-15 mm diameter of th

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24

Szafran, E., S. Zilkah, and Z. Kizner. "MODELLING PEACH RESPONSE TO CHEMICAL THINNING." Acta Horticulturae, no. 499 (October 1999): 211–12. http://dx.doi.org/10.17660/actahortic.1999.499.24.

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25

Micke, Warren C., Joseph A. Grant, Maxwell V. Norton, and James T. Yeager. "CHEMICAL THINNING OF `GRANNY SMITH' APPLE." HortScience 25, no. 9 (1990): 1121G—1121. http://dx.doi.org/10.21273/hortsci.25.9.1121.

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Under California conditions `Granny Smith' apple does not “self-thin” sufficiently to promote good return bloom nor to provide fruit size desired for the fresh market. Preliminary studies conducted during 1985-87 indicated that 1-naphthyl N-methylcarbamate (carbaryl), 1-naphthaleneacetic Acid (NAA), and 1-naphthaleneacetamide (NAD) could be useful for thinning `Granny Smith'. Detailed studies conducted in 1988 and 89 using dilute handgun applications demonstrated that all 3 materials provided reasonable thinning as shown by fruit set counts. NAA and NAD tended to slow fruit growth as compared

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26

Micke, Warren C., Joseph A. Grant, Maxwell V. Norton, and James T. Yeager. "CHEMICAL THINNING OF `GRANNY SMITH' APPLE." HortScience 25, no. 9 (1990): 1121g—1121. http://dx.doi.org/10.21273/hortsci.25.9.1121g.

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Under California conditions `Granny Smith' apple does not “self-thin” sufficiently to promote good return bloom nor to provide fruit size desired for the fresh market. Preliminary studies conducted during 1985-87 indicated that 1-naphthyl N-methylcarbamate (carbaryl), 1-naphthaleneacetic Acid (NAA), and 1-naphthaleneacetamide (NAD) could be useful for thinning `Granny Smith'. Detailed studies conducted in 1988 and 89 using dilute handgun applications demonstrated that all 3 materials provided reasonable thinning as shown by fruit set counts. NAA and NAD tended to slow fruit growth as compared

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27

Wertheim, S. J. "CHEMICAL THINNING OF DECIDUOUS FRUIT TREES." Acta Horticulturae, no. 463 (January 1998): 445–62. http://dx.doi.org/10.17660/actahortic.1998.463.57.

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28

Weber, H. J. "CHEMICAL AND MECHANICAL THINNING OF PLUMS." Acta Horticulturae, no. 998 (July 2013): 51–59. http://dx.doi.org/10.17660/actahortic.2013.998.5.

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29

Ferree, D. C., D. M. Scurlock, and J. C. Schmid. "Chemical Bloom Thinning Hybrid Grape Cultivars." Small Fruits Review 4, no. 4 (2005): 83–93. http://dx.doi.org/10.1300/j301v04n04_09.

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30

Dennis, Frank G. "Physiology of Fruit Set and Abscission." HortScience 33, no. 3 (1998): 553a—553. http://dx.doi.org/10.21273/hortsci.33.3.553a.

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Thinning, whether mechanical or chemical, prevents the development of some fruits, allowing the remainder to become larger and more marketable. Chemicals used for thinning either prevent fruit set or increase the proportion of fruits that fall in the “June drop”; some, however, are effective even after this drop. The mechanisms involved in blossom thinning are straightforward. Either pollination is prevented, or some of the flowers are injured, causing their abscission. The mechanisms involved in fruit thinning are more complex; physiologists continue to debate the effects of thinning agents o

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31

Page-Dumroese, Deborah S., Martin Jurgensen, and Thomas Terry. "Maintaining Soil Productivity during Forest or Biomass-to-Energy Thinning Harvests in the Western United States." Western Journal of Applied Forestry 25, no. 1 (2010): 5–11. http://dx.doi.org/10.1093/wjaf/25.1.5.

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Abstract Forest biomass thinnings, to promote forest health or for energy production, can potentially impact the soil resource by altering soil physical, chemical, and/or biological properties. The extent and degree of impacts within a harvest unit or across a watershed will subsequently determine if site or soil productivity is affected. Although the impacts of stand removal on soil properties in the western United States have been documented, much less is known on periodic removals of biomass by thinnings or other partial cutting practices. However, basic recommendations and findings derived

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32

Fathi,, M., M. Yehia, Fawzia Eissa, and G. Shaddad. "RESPONSE OF 'SWELLING' PEACH TO CHEMICAL THINNING IN COMPARISON WITH HAND THINNING." Journal of Plant Production 27, no. 9 (2002): 6123–33. http://dx.doi.org/10.21608/jpp.2002.256742.

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33

Buler, Zbigniew, and Jacek Filipczak. "Influence of several methods of flower and fruitlet thinning on the yield and quality of Gala Must apples." Acta Scientiarum Polonorum Hortorum Cultus 24, no. 3 (2025): 3–15. https://doi.org/10.24326/asphc.2025.5489.

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Apple trees of the Gala Must, grafted onto the dwarfing M.9 rootstock, planted in 2014 at a spacing of 3.5×1.8 m, were subjected to flower and fruitlet thinning in 2022–2024. Seven thinning combinations were used: 1 – (M) Mechanical thinning of flowers at the stage when the petals had emerged in 2 or 3 flowers in the inflorescence, using the German BAUM device; 2 – (C) Chemical thinning of fruitlets with Globaryll 100 SL containing cytokinin; 3 – (H) Hand thinning of fruitlets after June drop; 4 – (M+C) Mechanical thinning of flowers with the BAUM device supplemented by chemical thinning of fr

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34

Sano, Yasuhisa, Takehiro Kato, Tsutomu Hori, et al. "Thinning of SiC Wafer by Plasma Chemical Vaporization Machining." Materials Science Forum 645-648 (April 2010): 857–60. http://dx.doi.org/10.4028/www.scientific.net/msf.645-648.857.

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In order to reduce the on-resistance in vertical power transistors, backside thinning is required after device processing. However, it is difficult to thin an SiC wafer with a high yield rate by conventional mechanical machining because its high hardness and brittleness cause cracking and chipping during thinning. In this study, a small rectangular SiC sample was thinned by plasma chemical vaporization machining (PCVM), which is plasma etching using atmospheric-pressure plasma. As a result, the sample was successfully thinned to 40 m without any cracking or chipping. Furthermore, the surface

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35

Al Saikhan, Mohamed S., and Abdel-Kader A. Sallam. "Impact of Chemical and Non-Chemical Thinning Treatments on Yield and Fruit Quality of Date Palm." Journal of Food Research 4, no. 4 (2015): 18. http://dx.doi.org/10.5539/jfr.v4n4p18.

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<p>The fruit thinning process is employed for the production of high quality large-sized fruits and prevent the production of compact bunches. It is also one way to reduce the alternate bearing habits in date palm. In this study, seven thinning treatments (i.e. without spraying water after pollination, spraying water at 3 minutes after 3, 4 and 5 h, spraying Ethephon at 0, 500 and 1000 ppm after ten days from pollination) are used for Khalas and Ruzeiz date palm cultivars. The factorial experiment in a randomized completely block design with three replicates was done. The results reveal

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36

Yokota, Kiyoshi, Koichi Murashita, Masanobu Nonaka, and Koichi Hirai. "ETHYCHLOZATE AS A NEW CHEMICAL THINNER ON `FUJI' APPLE." HortScience 27, no. 6 (1992): 690f—690. http://dx.doi.org/10.21273/hortsci.27.6.690f.

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Since 1987 some chemicals have been examined for thinning of apple, while concidering the safety for humans, animals and bees. Ethyl 5-chloro-3 (1H) - indazorylacetate (Ethychlozate) had the same effect as Carbaryl on `Fuji' cultivor Suitable results were obtained by 40ppm solution spray at 2 to 3 weeks after full bloom. An addition of 300ppm Ethephon increased thinning effects on `Fuji'. But over thinning occured on `Tsugaru'. `Jonagold' and `Jonathan' by same concentration of Ethychlozate or Ethychlozate plus Ethephon. Thinning effects were more severe on the lateral fruits than on the cente

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37

Han, Si Ho, Ji Young An, Jonathan O. Hernandez, et al. "Effects of Thinning Intensity on Litterfall Production, Soil Chemical Properties, and Fine Root Distribution in Pinus koraiensis Plantation in Republic of Korea." Plants 12, no. 20 (2023): 3614. http://dx.doi.org/10.3390/plants12203614.

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It is crucial to evaluate the effects of thinning on litterfall production, soil chemical properties, and fine root dynamics when implementing thinning as a silvilcultural technique to enhance tree growth and timber yield in Pinus koraiensis plantations. Thus, we determined the 10-year effects (2007–2017) of different thinning intensities on litterfall production, soil chemical properties, and fine root biomass and necromass within a P. koraiensis plantation in South Korea. The soil chemical parameters and fine root biomass and necromass were also compared across three soil depths (0–10, 10–20

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38

Barreto, Caroline Farias, Roseli de Mello Farias, Renan Ricardo Zandoná, Carlos Roberto Martins, and Marcelo Barbosa Malgarim. "Influence of the Period of Peach Tree Chemical Thinning on Fruit Quality." Journal of Agricultural Science 11, no. 14 (2019): 141. http://dx.doi.org/10.5539/jas.v11n14p141.

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The need to decrease production costs along with the lack of man power in the countryside has asked for cultural practices which lead to these factors, such as thinning. Thus, chemical thinning has been studied as an alternative to fruit manual thinning. Therefore, this study aimed at evaluating the quality of peach tree fruits after chemical thinning with metamitron at different time periods in the south of Brazil. The experiment was carried out in a commercial peach tree orchard with cultivars &lsquo;Maciel&rsquo; in Morro Redondo, Rio Grande do Sul state, Brazil, from 2015 to 2016.

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39

Byers, Ross E. "NEW THINNER CHEMISTRY FOR PEACHES AND APPLES." HortScience 28, no. 5 (1993): 494d—494. http://dx.doi.org/10.21273/hortsci.28.5.494d.

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Several classes of chemicals (auxins, cytokinins, gibberellins, ethylene releasing compounds, photosynthetic inhibitors, pollination inhibitors, and carbamates) have been found effective for reducing fruit numbers on apple and/or peach trees. The selection of a chemical for use as a commercial thinner is usually based on consistent effectiveness, freeness from fruit, leaf or tree injury, increases in fruit size, and low degree of environmental influences on fruit thinning or injury. In recent years research has been curtailed on newer chemicals due to the small and unique market, the costs of

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40

Byers, R. E., D. H. Carbaugh, and L. D. Combs. "164 Combinations of Chemical Thinners for Bloom and Post-bloom Apple Thinning." HortScience 35, no. 3 (2000): 418C—418. http://dx.doi.org/10.21273/hortsci.35.3.418c.

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Effectiveness of pollination/fertilization inhibitors for flower thinning depends highly on the precise timing of sprays within 24 to 36 h after flower opening. In 1999, cool weather delayed the application of hormone-type thinners, which were intended for at bloom comparison with pollination/fertilization. Pollination inhibitors applied in bloom and hormone thinners applied at petal fall or 8 mm fruit diameter caused good fruit thinning. Ethephon applied in bloom did not cause thinning of `Empire' fruit, but Sevin + Accel + Oil caused good fruit thinning when applied in bloom. Sevin + Accel +

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41

Zhao, Jiahao, Xiaodan Sun, Dong Wang, et al. "Responses of Fine Root Morphological and Chemical Traits among Branch Orders to Forest Thinning in Pinus massoniana Plantations." Forests 15, no. 3 (2024): 495. http://dx.doi.org/10.3390/f15030495.

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Fine roots play an essential role in biogeochemical cycling in forest ecosystems; however, little is known about the response of fine root morphology and chemistry in different root orders to forest management activities such as forest thinning. We investigated the fine root morphological and chemical traits in different root orders of Pinus massoniana under different thinning intensities, namely no thinning, low-intensity thinning (LIT), middle-intensity thinning (MIT), and high-intensity thinning (HIT) (0%, 25%, 45%, and 65% of individual trees eliminated, respectively). We found that forest

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Myers, Stephen C., Amy T. Savelle, D. Stuart Tustin, and Ross E. Byers. "Partial Flower Thinning Increases Shoot Growth, Fruit Size, and Subsequent Flower Formation of Peach." HortScience 37, no. 4 (2002): 647–50. http://dx.doi.org/10.21273/hortsci.37.4.647.

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Partial thinning of peach (Prunus persica L. Batsch) during bloom to 50% of the necessary level by hand, and followed by adjustment hand thinning at 42 days after full bloom (DAFB) was compared to a similar degree of thinning accomplished entirely at 42 DAFB by hand. Partial flower thinning altered the distribution of fruit by diameter, increasing the percentage of large diameter (≥62.0 mm) fruit harvested compared to unthinned trees or trees thinned entirely at 42 DAFB. Although shoot number per limb was not altered by thinning time, the distribution of shoots by length was affected, increasi

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Tschanz, Rodger, Dennis Murr, Len Wiley, and Kay Hustwit. "Thinning Ontario Apples with Accel." HortScience 30, no. 4 (1995): 853A—853. http://dx.doi.org/10.21273/hortsci.30.4.853a.

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The use of chemical thinners is an essential component of commercial apple production in Ontario. As chemical thinning options decrease, due to environmental concerns, newer and less toxic alternatives must be found. Benzyladenine (BA), available in the United States as Accel, shows promise as a thinning agent. During the 1994 growing season, Accel was applied under commercial conditions to seven apple cultivars—`McIntosh' (spur), Delicious `Starkrimson', `Empire', `Jonagold', `Golden Delicious', `Jonamac', and Gala `Royal Gala'. Application concentrations ranged from 50 to 75 ppm (a.i. BA), d

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Giovanaz, Marcos Antônio, Priscila Alvariza Amaral, Mateus da Silveira Pasa, Ana Paula Fernandes de Lima, Diego Weber, and José Carlos Fachinello. "Chemical thinning affects yield and return flowering in 'Jubileu' peach." Revista Ceres 63, no. 3 (2016): 329–33. http://dx.doi.org/10.1590/0034-737x201663030008.

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ABSTRACT Peach hand thinning improves fruit quality; however, it requires a high demand of labor and increases production costs. The objective of this study was to evaluate the effect of growth regulators applied at post-flowering as an alternative to hand thinning of peaches. The experiment was conducted with peach cultivar Jubileu, in 2012. The treatments consisted of no thinning, hand thinning 45 days after full bloom (DAFB), ethephon (85 and 120 mg L-1), benzyladenine (BA) (400 mg L-1), and BA plus gibberellic acid (GA4 + 7) (400 mg L-1) applied 40 DAFB. BA-treated plants were not differen

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TREMBLAY, JEAN-FRANÇOIS. "THINNING FLAT PANELS." Chemical & Engineering News 83, no. 26 (2005): 20–32. http://dx.doi.org/10.1021/cen-v083n026.p020.

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Greene, D. W. "BLOSSOM THINNING AS A STRATEGY IN CHEMICAL THINNING OF APPLES IN NEW ENGLAND." Acta Horticulturae, no. 636 (April 2004): 331–37. http://dx.doi.org/10.17660/actahortic.2004.636.40.

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Greene, Duane W., and Wesley R. Autio. "Evaluation of Benzyladenine as a Chemical Thinner on ‘McIntosh’ Apples." Journal of the American Society for Horticultural Science 114, no. 1 (1989): 68–73. http://dx.doi.org/10.21273/jashs.114.1.68.

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Abstract Five chemical thinning trials, conducted over 4 years, indicated that BA is an effective thinner for ‘McIntosh’ apples (Malus domestica Borkh.). Although it can thin at concentrations as low as 25 mg·liter−1, in most years a higher concentration was required to thin adequately. It appeared that 14 to 18 days after full bloom, when fruit size was about 10 mm, may be the period when maximum thinning was achieved. Greater thinning occurred when BA and carbaryl were combined than when they were used individually. BA increased fruit weight, flesh firmness, and soluble solids content at har

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Marini*, Richard. "Thinning York Imperial Apple with Chemical Combinations." HortScience 39, no. 4 (2004): 792D—793. http://dx.doi.org/10.21273/hortsci.39.4.792d.

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Six-year-old York/M.9 trees were used to evaluate combinations of chemicals for fruit thinning. In one experiment a factorial combination of 2 levels of carbaryl (0 or 600 mg·L-1) and 5 levels of 6-BA (0, 40, 80, 120, and 160 mg·L-1) were sprayed when fruit diam. averaged 10.5 mm. Carbaryl significantly reduced fruit set, number of fruit/tree, yield efficiency, and crop density, and increased fruit weight. The main effect of 6-BA did not significantly influence any response variable. Two variables were significantly influenced by the carbaryl × 6-BA interaction. In the absence of carbaryl, fru

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Jeffers, Daniel L. "Chemical Thinning of Soybean with Bentazon 1." Crop Science 26, no. 3 (1986): 610–14. http://dx.doi.org/10.2135/cropsci1986.0011183x002600030039x.

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Cartagena, Jose R., Frank B. Matta, and James M. Spiers. "Chemical Fruit Thinning of Vaccinium ashei Reade." Journal of the American Society for Horticultural Science 119, no. 6 (1994): 1133–36. http://dx.doi.org/10.21273/jashs.119.6.1133.

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The thinning potential of various chemicals sprayed on `Tifblue' rabbiteye blueberry was examined in the greenhouse in 1990 and under field conditions in 1991 and 1992. In the greenhouse, BA concentrations ranging from 25 to 500 mg·liter-1 and carbaryl concentrations ranging from 400 to 2100 mg·liter-1 reduced fruit set when treatments were applied 16 days after corolla drop (ACD). GA3 reduced fruit set only at 50 mg·liter-1 and NAA did not influence fruit set. In the field, BA at 75 mg·liter-1 and the combination of carbaryl at 400 mg·liter-1 and BA at 25 mg·liter-1 reduced fruit set in 1991

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