Modulated increased UV-B radiation affects crop growth and grain yield and quality of maize in the field

Title:

Modulated increased UV-B radiation affects crop growth and grain yield and quality of maize in the field

Creator:

Yin, L. N. and Wang, S. W.

Identifier:

https://cdk.lib.cas.cz/client/handle/uuid:afa4a537-697d-4f6b-8cbf-b82e3b40cc9a
uuid:afa4a537-697d-4f6b-8cbf-b82e3b40cc9a
issn:0300-3604
doi:10.1007/s11099-012-0068-9

Subject:

botanika, botany, growth, maize, quality, UV-B radiation, yield, 2, and 58

Type:

model:article and TEXT

Format:

bez média and svazek

Description:

Current research on the effect of increased UV-B radiation on crop production has been limited to exposing plants to improbable UV-B dose or growth condition. The objective of this study was to test the effects of short-term modulated increased UV-B radiation on maize (Zea mays L.) growth, grain yield, and quality under field conditions for three years. A modulated irradiance system was used to maintain UV-B radiation at 30% above the ambient level and was applied daily between the elongation and silking stages of maize. The result indicated that increased UV-B radiation adversely affected maize growth and yield, especially on plant height when UV-B was enhanced at the elongation stage and on yield when UV-B was enhanced near the silking stage. Yield reduction that induced by enhanced UV-B radiation was associated with reductions in number of kernels per row and kernel mass. Protein content of grains was increased with enhanced UV-B radiation, but oil and starch contents were not affected. This study confirmed the sensitivity of maize to increased UV-B radiation under the field condition, and contributed to understand the full negative and positive effects of increased UV-B radiation on crop production., L. N. Yin, S. W. Wang., and Obsahuje bibliografii

Language:

Multiple languages

Rights:

http://creativecommons.org/licenses/by-nc-sa/4.0/
policy:public

Coverage:

595-601

Source:

Photosynthetica | 2012 Volume:50 | Number:4

Harvested from:

CDK

Metadata only:

false