Efficiency of fruitlet thinning in ‘Granny Smith’ apples by use of metamitron
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2018
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In this paper the results of chemical fruit thinning in the apple cultivar ‘Granny Smith’ carried out with the herbicide Brevis® containing 150 g kg-1 of metamitron as the active ingredient are reported. In two treatments, the effect of this compound was enhanced by NAA (1-naphthaleneacetic acid). This study was conducted in a commercial apple orchard of PIK “Južni Banat” located in Bela Crkva (Serbia), in two consecutive years (2013, 2014). The planting distance was 3.3×0.8 m (3878 trees ha-1) and trees were trained as slender spindle. Brevis® was sprayed when central fruits in the clusters were 12-14 mm in diameter. Applied treatments in ‘Granny Smith’ were as follows: control, 150, 188, 225, 150 mg L-1 of metamitron + 5 mg L-1 NAA and 225 mg L-1 metamitron + 5 mg L-1 NAA. Spraying volume was 800 L ha-1 in all applied treatments. Metamitron expressed a positive influence on crop load in both investigated years. Treatments containing metamitron alone provided large yield consisting of... a high percentage of first quality fruit. The effect of metamitron could be enhanced by mixing with NAA.
Ključne reči:
Brevis / Chemical thinning / Fruit quality / YieldIzvor:
Acta Horticulturae, 2018, 1228, 439-443Izdavač:
- International Society for Horticultural Science
Institucija/grupa
Poljoprivredni fakultetTY - JOUR AU - Radivojević, D. AU - Milivojević, Jasminka AU - Oparnica, Čedo AU - Zabrkić, G. PY - 2018 UR - http://aspace.agrif.bg.ac.rs/handle/123456789/4804 AB - In this paper the results of chemical fruit thinning in the apple cultivar ‘Granny Smith’ carried out with the herbicide Brevis® containing 150 g kg-1 of metamitron as the active ingredient are reported. In two treatments, the effect of this compound was enhanced by NAA (1-naphthaleneacetic acid). This study was conducted in a commercial apple orchard of PIK “Južni Banat” located in Bela Crkva (Serbia), in two consecutive years (2013, 2014). The planting distance was 3.3×0.8 m (3878 trees ha-1) and trees were trained as slender spindle. Brevis® was sprayed when central fruits in the clusters were 12-14 mm in diameter. Applied treatments in ‘Granny Smith’ were as follows: control, 150, 188, 225, 150 mg L-1 of metamitron + 5 mg L-1 NAA and 225 mg L-1 metamitron + 5 mg L-1 NAA. Spraying volume was 800 L ha-1 in all applied treatments. Metamitron expressed a positive influence on crop load in both investigated years. Treatments containing metamitron alone provided large yield consisting of a high percentage of first quality fruit. The effect of metamitron could be enhanced by mixing with NAA. PB - International Society for Horticultural Science T2 - Acta Horticulturae T1 - Efficiency of fruitlet thinning in ‘Granny Smith’ apples by use of metamitron EP - 443 SP - 439 VL - 1228 DO - 10.17660/ActaHortic.2018.1228.65 ER -
@article{ author = "Radivojević, D. and Milivojević, Jasminka and Oparnica, Čedo and Zabrkić, G.", year = "2018", abstract = "In this paper the results of chemical fruit thinning in the apple cultivar ‘Granny Smith’ carried out with the herbicide Brevis® containing 150 g kg-1 of metamitron as the active ingredient are reported. In two treatments, the effect of this compound was enhanced by NAA (1-naphthaleneacetic acid). This study was conducted in a commercial apple orchard of PIK “Južni Banat” located in Bela Crkva (Serbia), in two consecutive years (2013, 2014). The planting distance was 3.3×0.8 m (3878 trees ha-1) and trees were trained as slender spindle. Brevis® was sprayed when central fruits in the clusters were 12-14 mm in diameter. Applied treatments in ‘Granny Smith’ were as follows: control, 150, 188, 225, 150 mg L-1 of metamitron + 5 mg L-1 NAA and 225 mg L-1 metamitron + 5 mg L-1 NAA. Spraying volume was 800 L ha-1 in all applied treatments. Metamitron expressed a positive influence on crop load in both investigated years. Treatments containing metamitron alone provided large yield consisting of a high percentage of first quality fruit. The effect of metamitron could be enhanced by mixing with NAA.", publisher = "International Society for Horticultural Science", journal = "Acta Horticulturae", title = "Efficiency of fruitlet thinning in ‘Granny Smith’ apples by use of metamitron", pages = "443-439", volume = "1228", doi = "10.17660/ActaHortic.2018.1228.65" }
Radivojević, D., Milivojević, J., Oparnica, Č.,& Zabrkić, G.. (2018). Efficiency of fruitlet thinning in ‘Granny Smith’ apples by use of metamitron. in Acta Horticulturae International Society for Horticultural Science., 1228, 439-443. https://doi.org/10.17660/ActaHortic.2018.1228.65
Radivojević D, Milivojević J, Oparnica Č, Zabrkić G. Efficiency of fruitlet thinning in ‘Granny Smith’ apples by use of metamitron. in Acta Horticulturae. 2018;1228:439-443. doi:10.17660/ActaHortic.2018.1228.65 .
Radivojević, D., Milivojević, Jasminka, Oparnica, Čedo, Zabrkić, G., "Efficiency of fruitlet thinning in ‘Granny Smith’ apples by use of metamitron" in Acta Horticulturae, 1228 (2018):439-443, https://doi.org/10.17660/ActaHortic.2018.1228.65 . .