Relationship between selected morphological, anatomical and cytological characteristics of leaves and the level of tolerance to herbicides in strawberry cultivars |
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Authors: | Jerzy Lisek Hanna Habdas Stanisław W Gawroński |
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Institution: | (1) Research Institute of Pomology and Floriculture, Pomologiczna 18, 96-100 Skierniewice;(2) Research Institute of Vegetable Crops, Konstytucji 3 maja 1/3, 96-100 Skierniewice;(3) Agricultural University, Nowoursynowska 166, 02-766 Warsaw |
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Abstract: | Foliar application of a mixture of herbicides containing phenmedipham, desmedipham and ethofumesate to the plants of nine
strawberry cultivars revealed that there were differences in the level of plant tolerance to the applied chemicals. Light,
polarized light and scanning electron microscopy were used to explain differences in tolerance to herbicides. The surface
of strawberry leaves and cells was examined for stomata, hairs, trichomes, surface structures, cucticle, vacuole and oxalate
crystals. The thicker the cuticle on the adaxial leaf surface, the thicker the layer of epicuticular waxes, greater number
of large vacuoles and greater number of calcium oxalate crystals in epidermis cells were characteristic for cultivars with
very good tolerance to herbicides. The cracking of epicuticular waxes layer was typical to cultivars with respectively low
tolerance to herbicides. |
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Keywords: | calcium oxalate crystals cuticle epicuticular waxes herbicides stomata strawberries vacuole |
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