Potentials to breed for improved fibre digestibility in temperate Czech maize (Zea mays L.) germplasm

Kód výsledku v IS VaVaI

<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F62156489%3A43110%2F20%3A43918102" target="_blank" >RIV/62156489:43110/20:43918102 - isvavai.cz</a>

Výsledek na webu

<a href="https://doi.org/10.17221/11/2020-CJGPB" target="_blank" >https://doi.org/10.17221/11/2020-CJGPB</a>

DOI - Digital Object Identifier

<a href="http://dx.doi.org/10.17221/11/2020-CJGPB" target="_blank" >10.17221/11/2020-CJGPB</a>

Jazyk výsledku

angličtina

Název v původním jazyce

Potentials to breed for improved fibre digestibility in temperate Czech maize (Zea mays L.) germplasm

Popis výsledku v původním jazyce

Cell wall digestibility is an important quality trait of modern silage maize cultivars. The symbiotic relation-ship between microbes and ruminant livestock enables the efficient upcycling of otherwise for human consumption unsuitable rumen digestible fibre or cell wall components into highly nutritious milk and meat. Before entering the Czech National List of Plant Varieties, new silage maize germplasm is extensively tested for different cell wall digesti-bility parameters. Recently published, the undigestible neutral detergent fibre (uNDF) cell wall digestibility approach promises even greater practical relevance. The aim of our study was, therefore, to assess the potential of the uNDF me-thod, compared with current standard procedures, using a vast set of official Czech plant variety trial evaluations and Czech silage analyses from the 2018 cropping season. The uNDF method yielded a twice as high phenotypic standard deviation, compared with the current standard approaches. This is good news for plant breeders, official variety testing organisations, and farm professionals alike, enabeling faster variety improvement and simpler variety selection. On the other hand, due to the low differentiation potential, we discourage the use of the absolute lignin content when selecting for digestible silage maize varieties. Since between the digestibility traits enzymatic soluble organic substance (ELOS) and cellulase digestibility (DCS), a Pearson correlation close to one was observed, the substitution of one of these ana-lytics by the uNDF method, may render valuable additional information in a highly economical manner.

Název v anglickém jazyce

Potentials to breed for improved fibre digestibility in temperate Czech maize (Zea mays L.) germplasm

Popis výsledku anglicky

Cell wall digestibility is an important quality trait of modern silage maize cultivars. The symbiotic relation-ship between microbes and ruminant livestock enables the efficient upcycling of otherwise for human consumption unsuitable rumen digestible fibre or cell wall components into highly nutritious milk and meat. Before entering the Czech National List of Plant Varieties, new silage maize germplasm is extensively tested for different cell wall digesti-bility parameters. Recently published, the undigestible neutral detergent fibre (uNDF) cell wall digestibility approach promises even greater practical relevance. The aim of our study was, therefore, to assess the potential of the uNDF me-thod, compared with current standard procedures, using a vast set of official Czech plant variety trial evaluations and Czech silage analyses from the 2018 cropping season. The uNDF method yielded a twice as high phenotypic standard deviation, compared with the current standard approaches. This is good news for plant breeders, official variety testing organisations, and farm professionals alike, enabeling faster variety improvement and simpler variety selection. On the other hand, due to the low differentiation potential, we discourage the use of the absolute lignin content when selecting for digestible silage maize varieties. Since between the digestibility traits enzymatic soluble organic substance (ELOS) and cellulase digestibility (DCS), a Pearson correlation close to one was observed, the substitution of one of these ana-lytics by the uNDF method, may render valuable additional information in a highly economical manner.

Druh

J_imp - Článek v periodiku v databázi Web of Science

CEP obor

—

OECD FORD obor

40106 - Agronomy, plant breeding and plant protection; (Agricultural biotechnology to be 4.4)

Projekt

—

Návaznosti

I - Institucionalni podpora na dlouhodoby koncepcni rozvoj vyzkumne organizace

Rok uplatnění

2020

Kód důvěrnosti údajů

S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

Název periodika

Czech Journal of Genetics and Plant Breeding

ISSN

1212-1975

e-ISSN

—

Svazek periodika

56

Číslo periodika v rámci svazku

4

Stát vydavatele periodika

CZ - Česká republika

Počet stran výsledku

7

Strana od-do

133-139

Kód UT WoS článku

000581852700001

EID výsledku v databázi Scopus

2-s2.0-85094579242