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634.13:631.526.32:631.81 (1) |
Cultura fructelor (1437) |
Lucrări agricole (1225) |
Îngrășăminte chimice și naturale. Îmbogățirea solului. Stimularea creșterii. Stimulanți pentru plante (377) |
SM ISO690:2012 PEŞTEANU, Ananie, MIHOV, Dumitru. Evaluarea produsului Brevis la normarea încărcăturii de rod în coroana pomilor de păr din soiul RX 1247. In: Ştiinţa Agricolă, 2021, nr. 2, pp. 18-22. ISSN 1857-0003. DOI: https://doi.org/10.5281/zenodo.5834331 |
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Ştiinţa Agricolă | ||||||
Numărul 2 / 2021 / ISSN 1857-0003 /ISSNe 2587-3202 | ||||||
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DOI:https://doi.org/10.5281/zenodo.5834331 | ||||||
CZU: 634.13:631.526.32:631.81 | ||||||
Pag. 18-22 | ||||||
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The study subject of the experience was RX 1247 pear variety, grafted on BA 29 rootstock. The trees were trained as slender spindle system. The distance of plantation is 4.0x2.0 m. The experimental plot was placed in the orchard of „Terra Vitis” Ltd. founded in 2013 year. The research was conducted during the period of 2018 year. This study had the aim to determine the efficacy of Brevis on the chemical thinning of pear fruits. The following experimental variants were tested: 1. Control – without treatment; 2. Dirager, 0.35 l/ha; 3. Brevis, 1.1 kg/ ha; 4. Brevis, 1.65 kg/ha; 5. Brevis, 2.2 kg/ha. The spray with the products Dirager and with Brevis was performed when the central fruit in the inflorescence was 11.8 mm in diameter (05.05.2018). During the research, the number of fruits, mean fruit weight, crop yield and fruit size classes based on their weight were analyzed. It was established that the good effect of chemical thinning was noticed after application of the product Brevis in dose 1,1 kg/ha. |
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Cuvinte-cheie Pear, Growth regulator, Chemical thinning, fruit weight, Crop Yield, Păr, Regulator de creștere, Rărire chimică, Fruct, Greutate, productivitate |
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