The morphological quality indices of pollen of 14 pear genotypes have been studied in the conditions of the humid subtropics of the south of Russia. Viability and fertility have been determined. and variational curves of pollen grain sizes have been analyzed to identify indirectly trends in microsporogenesis disturbance. A variation in the percentage of germination has been noted in t... https://fitnessgravesyardes.shop/product-category/end-cap-set/