Mineral element content in the leaves of rootstocks used for pears and of maiden trees budded on them
Jacek Lewko,
Warsaw Agricultural UniversityKazimierz Ścibisz
Warsaw Agricultural UniversityAndrzej Sadowski
Warsaw Agricultural UniversityAbstract
Six types of rootstocks were planted at Warsaw-Wilanow, Central Poland in spring 2002: three originated from Pyrus communis – Caucasian pear seedlings, OHxF 333 and 'Pyrodwarf' and three from Cydonia oblonga – quinces S1, MA and MC. In August they were budded with Conference and Erika pear cultivars. Mid-shoot leaves, taken at the end of August from rootstocks (in 2002) and from maidens budded on them (in 2003) were analysed for Ca, Mg, P and K content. Rootstocks differed significantly in the content of all mineral elements studied. They also affected the leaf mineral composition
of maiden trees budded on them. The leaf Ca, P and K content depended on cultivar as well. A significant interaction of rootstock × cultivar on the leaf P and K content in maiden tree leaves was also noted. It has been suggested that the information about a specific abilities of rootstocks to absorb particular nutrients may serve as an additional indicator in selection of optimal rootstock for certain soil conditions.
Keywords:
pear, quince, rootstock, leaf mineral content, calcium, magnesium, potassium, phosphorusReferences
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Warsaw Agricultural University
Warsaw Agricultural University
Warsaw Agricultural University
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