Morphological and histochemical approaches regarding walnut autopollination
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PÎNTEA, Maria. Morphological and histochemical approaches regarding walnut autopollination. In: Revista Botanică, 2019, nr. 1(18), pp. 11-16. ISSN 1857-2367.
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Revista Botanică
Numărul 1(18) / 2019 / ISSN 1857-2367 /ISSNe 2587-3814

Morphological and histochemical approaches regarding walnut autopollination

CZU: 581.47+634.51

Pag. 11-16

Pîntea Maria
 
Practical Scientific Institute of Horticulture and Food Technology
 
Disponibil în IBN: 19 noiembrie 2019


Rezumat

In the article there are presented results of morphological and histochemical researches of embryogenesis after experimental autopollination of all dichogamous types (homogamous, protandrous, protoginous) of walnut (Juglans regia L.). Manual self-pollination confirms potential self-compatibility of English Walnut genotypes irrespective of flowering type. At the same-time, it should be noted that protogynous varieties have a higher fertilization percent. All varieties showed lower growing rate of” pollen tubes and delayed fertilization, at self-pollination. Experimental heitonogamy provoke more rapid embryogenetic processes within all dichogamous types.

Cuvinte-cheie
walnut, histochemistry, embryogenesis, dichogamy, autopollination.