Changes in the Morphological Characteristics of Potato Plants Attributed to Seasonal Variability

Author:

Escuredo OlgaORCID,Seijo-Rodríguez Ana,Rodríguez-Flores M. ShantalORCID,Meno Laura,Seijo M. CarmenORCID

Abstract

The development of a potato crop differs according to the environmental conditions and growing season of an area. Periods of high temperatures and drought have been frequent in recent years, and this has affected crops worldwide. The effect of meteorological factors on the plant morphology of potato cultivars growing in A Limia was analyzed for three consecutive years. The crop cycle with the highest temperatures and least accumulated rainfall (2016) showed plants with a higher number of leaflets, which were shorter in length. The crop cycle (2014) with a lower temperature and more rainfall had the tallest plants, the highest degree of flowering, fewer pairs of leaflets and the highest length of the floral peduncle. Kennebec and Fontane were the varieties that showed the least variability in morphological characteristics during the seasons analyzed. Considering the meteorological and morphological data, a principal component analysis was carried out, which explained 80.1% of the variance of the data. Spearman rank correlations showed higher significant coefficients between the temperature and foliar characteristics. The leaf size of plants was estimated using a multiple linear regression analysis, which included the mean temperature, explaining 64% of the variability of the data.

Funder

Xunta de Galicia

Publisher

MDPI AG

Subject

Plant Science,Agronomy and Crop Science,Food Science

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