Defolierea chimică în pepiniera pomicolă
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634.1631.811.98 (1)
Fruit growing (1429)
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GRIŢCAN, Sava, RAPCEA, Mihail, DADU, Zinaida, POLIHOVICI, Lidia. Defolierea chimică în pepiniera pomicolă. In: Horticultură, Viticultură şi vinificaţie, Silvicultură şi grădini publice, Protecţia plantelor, 27 septembrie 2013, Chișinău. Chișinău, Republica Moldova: Universitatea Agrară de Stat din Moldova, 2013, Vol. 36 (1), pp. 40-44. ISBN 978-9975-64-248-4.
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Horticultură, Viticultură şi vinificaţie, Silvicultură şi grădini publice, Protecţia plantelor
Vol. 36 (1), 2013
Simpozionul "Agricultura Modernă – Realizări şi Perspective"
Chișinău, Moldova, 27 septembrie 2013

Defolierea chimică în pepiniera pomicolă

CZU: 634.1631.811.98

Pag. 40-44

Griţcan Sava, Rapcea Mihail, Dadu Zinaida, Polihovici Lidia
 
Institutul Ştiinţifico-Practic de Horticultură şi Tehnologii Alimentare
 
Disponibil în IBN: 3 iunie 2019


Rezumat

Studies on the defoliation with Reglon 250 SL for apple, plum, peach and apricot species was achieved in the 2nd field of the fruit nursery of the experimental unit of the Institute of Horticulture and Food Technology. The variants were located in three repetitions with completed doses over the past three years of research. Treatment with Reglon 250 SL was performed with back watering can with maximum attention to spray the leaves from both sides and without the solution to drip on the shoots in order not to cause burns. After treating with Reglon the foliar part of the tree in the 2nd field of the fruit nursery occurs the disturbance of leaf pigments synthesis and in the result leaves begin to change color. It was described the appearance of the trees treated withReglon in differente dozes.Firstly, chloroplasts and chlorophyll disappears and soon the anthocyanin is altering. The content of chlorophyll and carotenoids in the treated tree leaves suddenly decreases. On the basis of the carried out research it is recommended to apply the defoliant Reglon 250 SL before harvesting treesin the following concentrations: for apple trees-0.5%; apricot tree and plum tree-0,1%; peach-0,07%; migdal-0,05%. The treatments it is important to be carried out with 20-28 days before the harvesting of trees in such a way, that the solution falls on both sides of the leaves without leaking on shoots.

Cuvinte-cheie
Apple, anthocyanin, Apricot, Chlorophyll, carotenoids, defoliation, Plum, peach, Reglon, treatments