Academic literature on the topic 'Early pruning'

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Journal articles on the topic "Early pruning"

1

Ikinci, Ali. "Influence of Pre- and Postharvest Summer Pruning on the Growth, Yield, Fruit Quality, and Carbohydrate Content of Early Season Peach Cultivars." Scientific World Journal 2014 (2014): 1–8. http://dx.doi.org/10.1155/2014/104865.

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Winter and summer pruning are widely applied processes in all fruit trees, including in peach orchard management. This study was conducted to determine the effects of summer prunings (SP), as compared to winter pruning (WP), on shoot length, shoot diameter, trunk cross sectional area (TCSA) increment, fruit yield, fruit quality, and carbohydrate content of two early ripening peach cultivars (“Early Red” and “Maycrest”) of six years of age, grown in semiarid climate conditions, in 2008 to 2010. The trees were grafted on GF 677 rootstocks, trained with a central leader system, and spaced 5 × 5 m apart. The SP carried out after harvesting in July and August decreased the shoot length significantly; however, it increased its diameter. Compared to 2009, this effect was more marked in year 2010. In general, control and winter pruned trees of both cultivars had the highest TCSA increment and yield efficiency. The SP increased the average fruit weight and soluble solids contents (SSC) more than both control and WP. The titratable acidity showed no consistent response to pruning time. The carbohydrate accumulation in shoot was higher in WP and in control than in SP trees. SP significantly affected carbohydrate accumulation; postharvest pruning showed higher carbohydrate content than preharvest pruning.
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2

Santos, Bielinski M. "Early Pruning Effects on ‘Florida-47’ and ‘Sungard’ Tomato." HortTechnology 18, no. 3 (2008): 467–70. http://dx.doi.org/10.21273/horttech.18.3.467.

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The effects of early pruning on the growth and yield of ‘Florida-47’ and ‘Sungard’ tomato (Solanum lycopersicum) were assessed in west-central Florida. Each cultivar was established in separate experiments. The four pruning treatments consisted of leaving one, two, and three main stems in the tomato plants below the first flower cluster, and a nonpruned control. Pruning shoots had significant effects on the plant height of ‘Sungard’ and ‘Florida-47’ at 4 and 3 weeks after transplanting, respectively. Tomato plants with a single stem were 13% and 10% taller than the ones in the nonpruned control, respectively. However, this effect disappeared 1 and 2 weeks later in both cultivars. Regardless of the cultivar, early pruning did not influence foliar disease incidence or early and total tomato marketable yield. This cultural practice did not affect the partitioning to different fruit categories in either cultivars. This data showed that early pruning can temporarily change the plant architecture of ‘Sungard’ and ‘Florida-47’ tomato, explaining the perceived increased plant vigor in comparison with the nonpruned control. However, the effect disappeared during the growing season and did not reflect on marketable yields of either tomato cultivars. If no pruning were performed in these cultivars, growers would be able to save an estimated $40/acre of tomato.
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3

Ehlenfeldt, Mark K., and Bryan T. Vinyard. "Pruning Time × Cultivar Effects on Flower-bud Hardiness in Northern Highbush and Southern Highbush Blueberry." HortScience 50, no. 5 (2015): 673–75. http://dx.doi.org/10.21273/hortsci.50.5.673.

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A study was conducted to determine if early-fall pruning (vs. more typical winter pruning) of either northern highbush or southern highbush blueberries was detrimental to the development of optimum levels of mid-winter cold hardiness in floral buds under New Jersey conditions. Using a detached-shoot freeze-thaw assay, flower-bud LT50 values were determined in early January for both ‘Jersey’ (northern highbush) and ‘Legacy’ (southern highbush) blueberry bushes that had been subjected to early- or late-pruning protocols. Across 2 years, intrinsic differences due to genotype and genotype × year were present, but no significant differences due to pruning time were observed. The lack of pruning effects on flower-bud LT50 values suggests that cultivars with southern germplasm selected in areas such as North Carolina and further north may be treated similarly to northern highbush with respect to pruning time, including early-fall pruning.
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4

Marchi, Thiago, Doglas Broetto, Alessandro Jefferson Sato, Aline José Maia, Renato Vasconcelos Botelho, and Andricia Verlindo. "Época e intensidade de poda no desenvolvimento e produção de amoreira-preta cv. Xavante cultivada em sistema orgânico." Comunicata Scientiae 6, no. 3 (2015): 326. http://dx.doi.org/10.14295/cs.v6i3.670.

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The practice of winter pruning, held in temperate fruit, has great influence on the development and production of these crops. Changes in pruning system may result in significant changes in the time of harvest, yield and fruit quality.This study aimed to evaluate the effects of time and intensity of pruning in the development and production of blackberry cv. Xavante in organic production system. The experiment was conducted during the crop year 2009/2010 and 2010/2011 in the experimental orchard of the State University of Centro-Oeste (Unicentro)Guarapuava - PR. The experimental design was a randomized complete block design with five replications in a 2x2 factorial design, with two pruning times: early and late, and two intensities of pruning side branches: short and long, a total of four treatments. The variables analyzed were: budding percentage (%), percentage of flowering (%), average fruit weight (g), number of fruits, total soluble solids (°brix), yield (kg), estimated yield (kg ha-1) and early yield (kg plant-1 and %). The time and intensity of pruning did not influence the average fruit weight and soluble solids. Early pruning can be a good strategy to obtain higher yields in early harvest. Early and long pruning is recommended in the most productive terms.
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5

Yeshitela, T., P. J. Robbertse, and P. J. C. Stassen. "Effects of pruning on flowering, yield and fruit quality in mango (Mangifera indica)." Australian Journal of Experimental Agriculture 45, no. 10 (2005): 1325. http://dx.doi.org/10.1071/ea03185.

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The effects of 7 pruning treatments were studied in 2 mango cultivars (‘Keitt’ and ‘Tommy Atkins’) in the Hoedspruit region of the Northern Province of South Africa. Trees that received panicle pruning (during full bloom) treatment at the point of attachment were observed to be induced for synchronised re-flowering, and also attained early fruit set and more fruit per panicle than the other panicle pruning treatments. Trees on which renewal pruning (early in the season when fruits were on the tree) as well as postharvest pruning treatments were applied, have been observed for development of adequate number of productive inflorescences per season in an early-maturing cultivar, Tommy Atkins. Postharvest pruning treatments also resulted in significant increase of postharvest vegetative growth in both cultivars. Promising improvement in yield could be expected after the second season from panicle pruning in Tommy Atkins. The fruit quality, especially with regard to total soluble solids (TSS), was also greatly improved due to the applications of renewal and postharvest pruning treatments. Inflorescence removal together with apical whorl of leaves subtending the inflorescence had adverse effects for the various parameters studied in both cultivars.
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6

Hayns, C. L., O. M. Lindstrom, and M. A. Dirr. "Pruning Effects on the Cold Hardiness of `Haggerston Gray' Leyland Cypress and `Natchez' Crape Myrtle." HortScience 26, no. 11 (1991): 1381–83. http://dx.doi.org/10.21273/hortsci.26.11.1381.

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The effects of late summer, fall, and winter pruning on the cold hardiness of × Cupressocyparis leylandii (A.B. Jacks. and Dallim.) Dallim. and A.B. Jacks. `Hag gerston Gray' (Leyland cypress) and Lagerstroemia L. `Natchez' (crape myrtle) were determined. Pruning in late summer through early winter significantly reduced the cold hardiness of both taxa. The maximum difference in cold hardiness between pruned trees and controls for × Cupressocyparis leylandii `Haggerston Gray' in October, December, January, and February was 3, 3, 2, and 6C, respectively. The maximum difference in cold hardiness between pruned plants and controls for Lagerstroemia `Natchez' in December, January, and February was 3, 4, and 2C, respectively. Early spring pruning of Leyland cypress and late winter or early spring pruning of crape myrtle are suggested from these data.
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7

Krenchinski, Fábio Henrique, Renato Nunes Costa, Natalia da Cunha Bevilaqua, et al. "EARLY PRUNING OF EUCALYPTUS PLANTS USING GLUFOSINATE AMMONIUM." CERNE 24, no. 3 (2018): 162–68. http://dx.doi.org/10.1590/01047760201824032565.

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8

Zheng, Liang, Shengjin Wang, Ziqiong Liu, and Qi Tian. "Fast Image Retrieval: Query Pruning and Early Termination." IEEE Transactions on Multimedia 17, no. 5 (2015): 648–59. http://dx.doi.org/10.1109/tmm.2015.2408563.

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9

Connell, Joseph H., Warren Micke, James Yeager, Janine Hasey, Bill Krueger, and Craig Weakley. "TRAINING PERMANENT AND TEMPORARY TREES." HortScience 25, no. 9 (1990): 1169c—1169. http://dx.doi.org/10.21273/hortsci.25.9.1169c.

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High orchard establishment costs require greater production early in an orchard's life. Our goal was to develop temporary trees at the least cost with the best early production. Health and longevity of permanent trees is essential. Six pruning treatments were evaluated in five-tree plots using a randomized complete block design. Each treatment was replicated four times on the `Butte' and `Mission' almond cultivars. After six years, temporary trees receiving the least pruning had the highest yields. Permanent trees had lower yields since more pruning was done in the second through fourth dormant seasons to develop branch framework for the long term. `Butte' and `Mission' responses to treatment varied due to varietal growth habits. Effects on tree development and the need for later corrective pruning were noted. After four harvests, yields were greater with less pruning.
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10

Probst, Claudia, Mark E. Nelson, Gary G. Grove, Megan C. Twomey, and David H. Gent. "Hop Powdery Mildew Control Through Alteration of Spring Pruning Practices." Plant Disease 100, no. 8 (2016): 1599–605. http://dx.doi.org/10.1094/pdis-10-15-1127-re.

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Podosphaera macularis, the causal agent of hop powdery mildew, is a recurrent threat to hops in the Pacific Northwest because of the potential to reduce cone yield and quality. Early-season pruning is a common practice in hop production for horticultural reasons. Studies were conducted over a 3-year period in a commercial hop yard to quantify the effect of pruning method and timing on disease development, yield, and cone quality factors. A 4-week delay in pruning reduced the incidence of leaves with powdery mildew from 46 to 10% and cones from 9 to 1%, with the specific effect being season dependent. Pruning using chemical desiccants rather than by mechanical means had similar effects on disease levels on leaves. On cones, though, chemical pruning had a small but significant reduction in the incidence of powdery mildew compared with mechanical pruning. Cone yield, levels of bittering-acids, and color were not negatively affected in any individual year or cumulatively over three seasons when pruning treatments were applied repeatedly to the same plots during the study period. Delayed pruning may offer a low-cost means of reducing both the incidence of powdery mildew and early-season fungicide inputs in certain cultivars.
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