Plant Soil Environ., 2007, 53(7):299-305 | DOI: 10.17221/2208-PSE

Effect of perforated foil and polypropylene fibre covers on assimilation leaf area of early potato cultivars

W. Wadas, E. Kosterna
Faculty of Agriculture, University of Podlasie, Siedlce, Poland

This paper presents the results of a three-year research on the effect of perforated polyethylene foil and polypropylene fibre covering at various lengths of plant cover period (2 and 3 weeks after plant emergence) on the assimilation leaf area of early potato cultivars. In the case of plant covering for 2 weeks after emergence the assimilation leaf area and leaf area index (LAI) at the moment of cover removal were on average 2 times higher than in the cultivation without covering; at the 3-week period of plant covering they were almost 1.7 times higher. A higher favourable effect of covering was obtained in the year with the lowest air temperature in May. The use of the covers at that time increased the assimilation leaf area and LAI 2.5 times and 3 times, respectively. The research showed no significant effect of the type of cover used on the assimilation leaf area and LAI; however, the specific leaf area (SLA) was higher with the use of polypropylene fibre.

Keywords: early potato; perforated polyethylene foil; polypropylene fibre; assimilation leaf area; leaf area index (LAI); specific leaf area (SLA)

Published: July 31, 2007  Show citation

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Wadas W, Kosterna E. Effect of perforated foil and polypropylene fibre covers on assimilation leaf area of early potato cultivars. Plant Soil Environ. 2007;53(7):299-305. doi: 10.17221/2208-PSE.
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