Analysis of the breeding progress in maize on the basis of trial data conducted in the years 2006–2016 with hybrid cultivars from HR Smolice
Dariusz Rejek
rejek@hrsmolice.plHodowla Roślin Smolice Sp. z o.o. Grupa IHAR (Poland)
Józef Adamczyk
Hodowla Roślin Smolice Sp. z o.o. Grupa IHAR (Poland)
Henryk Cygert
Hodowla Roślin Smolice Sp. z o.o. Grupa IHAR (Poland)
Janusz Rogacki
Hodowla Roślin Smolice Sp. z o.o. Grupa IHAR (Poland)
Anna Rogacka
Hodowla Roślin Smolice Sp. z o.o. Grupa IHAR (Poland)
Abstract
The main goal of plant breeder is to submit the new experimental varieties to the registration center. Hodowla Roślin Smolice Sp. z o.o. Grupa IHAR each year submits from a dozen to several dozen of new varieties of maize to registration trials COBORU. Preliminary trials are the highest stage of experiments within HR Smolice. The material consisted 789 new experimental hybrids of maize from HR Smolice (SMH varieties) tested in 2006–2016. 532 of those hybrids were tested for grain and 257 hybrids were tested for whole-plant silage. The experiments were carried out in five localities: Smolice, Dłoń (Wielkopolskie Voivodeship), Radzików (Mazowieckie Voivodeship), Kobierzyce (Dolnośląskie Voivodeship) and Mikulice (Podkarpackie Voivodeship). The average yield of SMH hybrids from 10 years of experimentation was 11.8 t∙ha-1, with an average yield of three standard hybrids 11.4 t∙ha-1. In the case of dry matter content in the grain, SMH varieties obtained on average 73.4% and standard varieties 74.0%. The average dry matter yield of SMH varieties in the silage experiments was 22.4 t∙ha-1 with average yield of standard varieties of 21.7 t∙ha-1. The average dry matter content in total plants at harvest was 35.7% for SMH varieties and 36.7% for standard varieties.
Keywords:
breeding progress, dry matter yield, effect of heterosis, grain yield, hybrid variety maize, variety testingReferences
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Authors
Józef AdamczykHodowla Roślin Smolice Sp. z o.o. Grupa IHAR Poland
Authors
Henryk CygertHodowla Roślin Smolice Sp. z o.o. Grupa IHAR Poland
Authors
Janusz RogackiHodowla Roślin Smolice Sp. z o.o. Grupa IHAR Poland
Authors
Anna RogackaHodowla Roślin Smolice Sp. z o.o. Grupa IHAR Poland
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