Effect of heat stress at anthesis on yield formation in winter wheat

Kód výsledku v IS VaVaI

<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F86652079%3A_____%2F17%3A00480342" target="_blank" >RIV/86652079:_____/17:00480342 - isvavai.cz</a>

Nalezeny alternativní kódy

RIV/62156489:43210/17:43911220

Výsledek na webu

<a href="http://dx.doi.org/10.17221/73/2017-PSE" target="_blank" >http://dx.doi.org/10.17221/73/2017-PSE</a>

DOI - Digital Object Identifier

<a href="http://dx.doi.org/10.17221/73/2017-PSE" target="_blank" >10.17221/73/2017-PSE</a>

Jazyk výsledku

angličtina

Název v původním jazyce

Effect of heat stress at anthesis on yield formation in winter wheat

Popis výsledku v původním jazyce

Heat stress around anthesis is considered to have an increasing impact on wheat yield under the ongoing climatenchange. However, the effect of high temperatures and their duration on formation of individual yield parameters isnstill little understood. Within this study, the effect of high temperatures applied during anthesis for 3 and 7 days onnyield formation parameters was analysed. The study was conducted in growth chambers under four temperaturenregimes (daily temperature maxima 26, 32, 35 and 38°C). In the periods preceding and following heat stress regimesnthe plants were cultivated under ambient weather conditions. The number of grains per spike was reduced underntemperatures ≥ 35°C in cv. Bohemia and ≥ 38°C in cv. Tobak. This resulted in a similar response of spike productivity.nThousand grain weight showed no response to temperature regime in cv. Tobak, whereas in cv. Bohemia, a peaknresponse to temperature with maximum at 35°C was observed. The duration of heat stress had only little effect onnmost yield formation parameters.

Název v anglickém jazyce

Effect of heat stress at anthesis on yield formation in winter wheat

Popis výsledku anglicky

Heat stress around anthesis is considered to have an increasing impact on wheat yield under the ongoing climatenchange. However, the effect of high temperatures and their duration on formation of individual yield parameters isnstill little understood. Within this study, the effect of high temperatures applied during anthesis for 3 and 7 days onnyield formation parameters was analysed. The study was conducted in growth chambers under four temperaturenregimes (daily temperature maxima 26, 32, 35 and 38°C). In the periods preceding and following heat stress regimesnthe plants were cultivated under ambient weather conditions. The number of grains per spike was reduced underntemperatures ≥ 35°C in cv. Bohemia and ≥ 38°C in cv. Tobak. This resulted in a similar response of spike productivity.nThousand grain weight showed no response to temperature regime in cv. Tobak, whereas in cv. Bohemia, a peaknresponse to temperature with maximum at 35°C was observed. The duration of heat stress had only little effect onnmost yield formation parameters.

Druh

J_imp - Článek v periodiku v databázi Web of Science

CEP obor

—

OECD FORD obor

10511 - Environmental sciences (social aspects to be 5.7)

Projekt

—

Návaznosti

I - Institucionalni podpora na dlouhodoby koncepcni rozvoj vyzkumne organizace

Rok uplatnění

2017

Kód důvěrnosti údajů

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

Název periodika

Plant, Soil and Environment

ISSN

1214-1178

e-ISSN

—

Svazek periodika

63

Číslo periodika v rámci svazku

3

Stát vydavatele periodika

CZ - Česká republika

Počet stran výsledku

6

Strana od-do

139-144

Kód UT WoS článku

000398069400007

EID výsledku v databázi Scopus

2-s2.0-85017541436