Influența regulatorilor de creștere asupra garnisirii pomilor de măr cu ramuri anticipate în câmpul II al pepinierii de pomi
2024
Gaberi, Valentin
Gala Schniga SchniCo red apple trees grafted on the biotype M9T337 were used as the object of research. In order to determine the reaction of the variety to different techniques of intervention on the tree apex to increase the degree of emission of the anticipated shoots in the tree school, the following variants were studied: 1. Control (free growth); 2. Progerbalin LG, 25 ml; 3. Progerbalin LG, 25+25 ml; 4. Progerbalin LG, 25 ml + apical leaf break; 5. Progerbalin LG, 25+25 ml + apical leaf break; 6. Gerba 4 LG, 25 ml; 7. Gerba 4 LG, 25+25 ml; 8. Gerba 4 LG, 25 ml + apical leaf break; 9. Gerba 4 LG, 25 + 25 ml + apical leaf breakage. The morphological parameters of the trees were studied. It was established that the higher tree height was recorded in the variants treated with Progerbalin LG (186-210 cm), and the diameter of the rootstock (22-26 mm) and shoot (14-17 mm) in the case of the administration of the growth regulator Gerba 4LG. Higher amount of early branches was recorded in the variants where Gerba 4LG was administered, and higher values of average and summed length of early branches in the variants where Progerbalin LG was administered.
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