Differential Assimilation of Nutrients in Paclobutrazol-Treated Peach Trees

Pequerul, A.; Pacheco, Emilio Monge; Braña, Álvaro Blanco; Falcón, Jesús Val

doi:10.17660/actahortic.1997.448.25

Cited by 6 publications

(5 citation statements)

References 12 publications

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“…Anusuya and Selvarajan (2014) discovered that the application of paclobutrazol increased the content of leaf nutrients at all stages of mango tree development. These results are in agreement with the findings of Atkinson and Crisp (1983) in apple rootstocks, Wang et al, (1985) in pears, and Pequerul et al, (1997) in peaches. Moreover, Singh et al, (2005)observed that soil application of paclobutrazol over two consecutive years increased the levels of P, K, and Ca in mango.…”

Section: Residual Effect Of Paclobutrazol On Leaf Nutrient Contentsupporting

confidence: 92%

Assessment of Residual Effect of Paclobutrazol on the Growth, Flowering, Yield and Quality of Litchi

Jain¹,

Rai²,

Pant³

et al. 2022

Int.J.Curr.Microbiol.App.Sci

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This study focuses on the residual effect of paclobutrazol on the vegetative growth, flowering, yield, and quality of litchi grown at the Horticulture Research Centre, Patharchatta, Govind Ballabh Pant University of Agriculture and Technology, Pantnagar during the period 2016– 2019. A total of 45 litchi trees were included in this experiment. The treatments consisted of four doses of paclobutrazol at 1.0 g a.i. (20 ml/tree), 2.0 g a.i. (40 ml/tree), 3.0 g a.i. (60 ml/tree), and 4.0 g a.i (80 ml/tree) per meter canopy diameter. The doses were applied on three dates, September 15, October 15, and November 15, through soil drenching in the years 2016 and 2017, subsequently. Plain irrigation water was applied in the basins of trees which served as control. The results show that application of paclobutrazol at 3.0 g and 4.0 g a.i. Per meter canopy diameter during 2016 and 2017 were the most effective in suppressing vegetative growth as compared to control. Higher doses of paclobutrazol persisted in the soil for longer duration and consequently affected flowering and fruiting during 2019. The trees treated with higher doses of paclobutrazol displayed more residual effects on flowering, fruiting, yield, and quality parameters during 2019.

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Section: Residual Effect Of Paclobutrazol On Leaf Nutrient Contentsupporting

confidence: 92%

Assessment of Residual Effect of Paclobutrazol on the Growth, Flowering, Yield and Quality of Litchi

Jain¹,

Rai²,

Pant³

et al. 2022

Int.J.Curr.Microbiol.App.Sci

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“…Matsoukis et al 11 reported that Fe increased in lantana plants treated with similar sprayed PBZ concentrations (50 and 100 mg l -1 ) at the same SLs as in our study. Increased leaf Fe and Mn contents have been reported in Prunus persica L. Batch trees after treatments with lower drenched-applied PBZ concentrations 10 than those of our study.…”

Section: Resultscontrasting

confidence: 50%

“…Shading above plant canopies can alter light availability 8,9 and environmental conditions, thus influencing plant nutrition 10 . Consequently, the present work aims mainly to investigate the hypothesis of the different Fe and Mn response of lantana plants to different drenched-applied PBZ concentrations and light regimes.…”

Section: Introductionmentioning

confidence: 99%

Micronutrient Content in Relation to Specific Leaf Area, Light Regime and Drenched-Applied Paclobutrazol in Lantana Camara L.

2015

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Iron and manganese are essential microelements on plant growth but no information is known with regard to their content on Lantana camara L. subsp. camara (lantana) treated with drenched-applied paclobutrazol. Thus, the effects of drenched-applied paclobutrazol [0 (control), 40, and 80 mg l-1] on leaf iron and manganese contents of lantana plants were investigated testing two light regimes, resulted from the establishment of different shading levels, 0% (daily light quantity of 27.8 mol m-2 d-1) and 66% (9.4 mol m-2 d-1) in a glasshouse in Attica, Greece. Possible correlations between the studied minerals contents (iron and manganese) and specific leaf area were examined. Analysis of variance showed that iron and manganese contents were affected by shading level, paclobutrazol, their interaction and paclobutrazol, respectively. Iron content increased significantly after treatments with paclobutrazol, compared to control, at full light environment (0% shading). Leaf manganese content presented no significant increase with the increasing paclobutrazol concentrations at 0% and 66% shadings. No significant differences were noted (dispensing control plants) on iron and manganese contents, when examining plants which were treated with the same paclobutrazol concentration, between the studied light environments. From the linear correlation analysis, manganese content exhibited a significant negative correlation with specific leaf area which was not shown by the iron content. The results of the present study could contribute to establishing iron and manganese sufficiency ranges on L. camara, especially after treatments with different light environments and paclobutrazol

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“…The vertical bar at the right is the standard error of the analysis. in peach (Prunus persica [L.] Batsch) trees (Pequerel et al, 1997) as well as to increase or not (Wieland and Wample, 1985) the leaf concentration of this nutrient in potted apple (Malus domestica Borkh. 'Topred Delicious') plants compared to controls (0 mg ai) under glasshouse conditions.…”

Section: Resultsmentioning

confidence: 99%

“…Light availability can be changed by the use of shading materials above plant canopies, causing thus a change in environmental conditions which has been reported to having an effect on plant nutrition (Pequerel et al, 1997). The use of shading materials above plants in glasshouses in the summer period in countries characterized by high values of solar radiation e.g.…”

Section: Introductionmentioning

confidence: 99%

Environmental conditions and drenched-applied paclobutrazol effects on lantana specific leaf area and N, P, K, and Mg content

Matsoukis

Gasparatos

Chronopoulou-Sereli

2014

Chilean J. Agric. Res.

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1Lantana camara L. is used extensively in many countries as an ornamental plant species but limited information is provided about the fertilization of this plant, especially after treatments with the triazole paclobutrazol (PBZ). The effects of drenched-applied PBZ at concentrations of 0, 40, and 80 mg L -1 on specific leaf area (SLA) and leaf N, P, K, and Mg concentrations of L. camara L. subsp. camara (lantana) plants were examined under different environmental conditions, resulted from different shading levels, 0% (daily light quantity of 27.8 mol m -2 d -1) and 66% (9.4 mol m -2 d -1 ) in glasshouse experiments in Attica, Greece. The concentration of leaf N was affected by the PBZ treatment (P < 0.01), while the shading level affected K and Mg concentration (P < 0.01). Plants treated with the same PBZ concentration presented higher SLA with 66% shading compared to 0% shading. The more the PBZ concentration, the lower and the higher were the SLA and leaf N respectively, at both shading levels. Leaf P, in general, increased with increasing PBZ concentration and shading as did K and Mg at 66% shading compared to 0% shading. At the end of the experiment all plants were healthy with no visible symptoms of nutritional deficiency. The findings of our study could be useful in establishing a fertilization program for L. camara plants treated with different drenched-applied PBZ concentrations under various environments.

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Differential Assimilation of Nutrients in Paclobutrazol-Treated Peach Trees

Cited by 6 publications

References 12 publications

Assessment of Residual Effect of Paclobutrazol on the Growth, Flowering, Yield and Quality of Litchi

Assessment of Residual Effect of Paclobutrazol on the Growth, Flowering, Yield and Quality of Litchi

Micronutrient Content in Relation to Specific Leaf Area, Light Regime and Drenched-Applied Paclobutrazol in Lantana Camara L.

Environmental conditions and drenched-applied paclobutrazol effects on lantana specific leaf area and N, P, K, and Mg content

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