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Canopy formation of sweet pepper plants pruned to one main shoot in greenhouse production

Stanisław Cebula, Andrzej Kalisz, Edward Kunicki

Department of Vegetable Crops
Agricultural University
29 Listopada 54, 31-425 Kraków, Poland

In greenhouse production of sweet pepper the effect of canopy formation (in the cylindrical or conical shape) on the development of leaf blades, yield, and the commercial and biological quality of fruits was estimated in plants pruned to a single shoot, the harvest of green (the first consumption maturity) and red fruits (physiological maturity) being taken into consideration. With both methods of pruning the greater thickness of leaf blades, more beneficial penetration of radiation in PAR range in the plant profile, higher early and total yields, and an increase in vitamin C content in fruits were evidenced in the case of single-shoot plants when compared with the traditional training to two shoots. A decrease in yield was recorded but this was compensated by an increase in the commercial and biological quality of sweet pepper fruits harvested at full maturity, irrespective of the system of canopy formation.

Cebula S., Kalisz A., Kunicki E., 1998. Canopy formation of sweet pepper plants pruned to one main shoot in greenhouse production. Folia Horticulturae 10/2: 35-44.