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heterosis
5. Determining the leaf area of new lines and hybrids of sunflower (Helianthus annuus L.)
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8. Inheritance of quantitative signs and some biometric indexes and mutability of the genetic indexes of Knezha 442 maize hybrid. I. Length of the ear, number of rows, number of grains per row
Author: Natalya Petrovska, Valentina Valkova
10. Inheritance of quantitative signs and some biometric indexes and mutability of the genetic indexes of Knezha 442 maize hybrid. II. overall height of the plants, height of the ear location, number of leaves and ear leaf area
Author: Valentina Valkova, Natalya Petrovska