Influenţa regulatorului de creştere Regalis 10wg asupra dezvoltării pomilor de măr
2013
Peșteanu, A. (State Agrarian University of Moldova, Chisinau (Republic of Moldova) | Marandici, Şt. (State Agrarian University of Moldova, Chisinau (Republic of Moldova)
The research was carried during 2011-2012 years in the superintensive apple orchard founded in spring 2006, in the company SRL "Codru- ST", with one year old treees. The planting distance is 3.5 x1, 2 m. As an object of study it is used the varieties Idared, Golden Reinders Renet Simirenko grafted on M9 rootstock. It was studied the influence of growth regulators retarded Regalis 10 WG in different doses for optimizing the key indicators of growth. The experience scheme: V1 - the control (no treatment) V2 - Regalis 10 WG, 1.25 1.25 kg / ha , V3 - Regalis 10 WG, 2.5 kg / ha. The first treatment was performed when the annual shoots had 4-5 leaves and the second one four weeks later. It was established that Regalis 10WG trees decreases the hight from 1.8 to 8.9% and crown width from 9.1 to 38.0%. The amount of annual branches decreased from 35.4 to 134.0% depending on the variety and dosage of treatment. The growth regulator Regalis 10WG allows to decrease the degree of cutting and changing the structure of the canopy.
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