Teores de clorofila nas plantas e produtividade de frutos de morangueiros cultivados sobre mulching

Anderson Santin,Fabíola Villa,Dalva Paulus

doi:10.5965/223811711632017262

Abstract

This study aimed to evaluate productive characteristics and levels of photosynthetic pigments in two strawberry cultivars on different types of mulching, in an open cultivation system. The experiment was a 2 x 4 factorial completely randomized block design, with 2 varieties (Camarosa and Camino Real) and 4 ground covers (black low-density polyethylene, silver low-density polyethylene, non-woven and no mulching), with three replications. The cultivars were analyzed for chlorophyll a and b content, total chlorophyll, and chlorophyll a/b ratio, number of fruits per plant, yield (ton ha-1), weight fruit mass, soluble solids (oBrix), total acidity, pH and soluble solids/total acidity ratio. The Camarosa showed higher yield than cv. Camino Real. The silver low-density polyethylene and non-woven mulching treatment exhibited negative results, and are not recommended for the cultivation of Camarosa and Camino Real strawberries. The black low-density polyethylene mulching was the most recommended for growing such cultivars. Among the types of mulchings evaluated, the black low-density polyethylene achieved the best results and it is recommended for the Camarosa and Camino Real strawberry cultivars.

Highlights

RESUMOPara se ter frutos de qualidade e êxito no cultivo de morangos, os tratos culturais tornam-se necessários, como a utilização de coberturas de solo
The most common strawberry cultivars used in these regions correspond to Aromas, Camarosa, Diamante, Oso Grande, Ventana, Dover and Sweet Charlie (OLIVEIRA & SCIVITTARO 2006)
There was a significant interaction between variety and types of mulching for chlorophyll a

Summary

Introduction

RESUMOPara se ter frutos de qualidade e êxito no cultivo de morangos, os tratos culturais tornam-se necessários, como a utilização de coberturas de solo. In Brazil, the commercial production of strawberry is performed in different states due to the adaptability of the different cultivars used (FACHINELLO et al 2011). Among several factors that favor the increased production and marketing the use of cultivars adapted to the climate conditions in southern Brazil stands out. Camarosa is a short-day cultivar, with vigorous characteristics, early maturing and high production capacity (PASSOS et al 2015). Firm in texture, bright red color, of subacid flavor, suitable for fresh consumption and industrialization (OLIVEIRA et al 2011). Camino Real has been used by Brazilian producers for demonstrating high production capacity. Its fruits have a pleasant taste, are large, firm, and recommended for fresh consumption and industrialization (SILVA et al 2015)

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Results