TY  - JOUR
AU  - Mau, Lisa
AU  - Junker, Simone
AU  - Bochmann, Helena
AU  - Mihiret, Yeshambel E.
AU  - Kelm, Jana M.
AU  - Schrey, Silvia D.
AU  - Roessner, Ute
AU  - Schaaf, Gabriel
AU  - Watt, Michelle
AU  - Kant, Josefine
AU  - Arsova, Borjana
TI  - Root Growth and Architecture of Wheat and Brachypodium Vary in Response to Algal Fertilizer in Soil and Solution
JO  - Agronomy
VL  - 12
IS  - 2
SN  - 2073-4395
CY  - Basel
PB  - MDPI
M1  - FZJ-2022-01026
SP  - 285 -
PY  - 2022
N1  - DFG
AB  - Alternative, recycled sources for mined phosphorus (P) fertilizers are needed to sustain future crop growth. Quantification of phenotypic adaptations and performance of plants with a recycled nutrient source is required to identify breeding targets and agronomy practices for new fertilization strategies. In this study, we tested the phenotypic responses of wheat (Triticum aestivum) and its genetic model, Brachypodium (Brachypodium distachyon), to dried algal biomass (with algae or high or low mineral P) under three growing conditions (fabricated ecosystems (EcoFABs), hydroponics, and sand). For both species, algal-grown plants had similar shoot biomass to mineral-grown plants, taking up more P than the low mineral P plants. Root phenotypes however were strongly influenced by nutrient form, especially in soilless conditions. Algae promoted the development of shorter and thicker roots, notably first and second order lateral roots. Root hairs were 21% shorter in Brachypodium, but 24% longer in wheat with algae compared to mineral high P. Our results are encouraging to new recycled fertilization strategies, showing algae is a nutrient source to wheat and Brachypodium. Variation in root phenotypes showed algal biomass is sensed by roots and is taken up at a higher amount per root length than mineral P. These phenotypes can be selected and further adapted in phenotype-based breeding for future renewal agriculture systems.
LB  - PUB:(DE-HGF)16
UR  - <Go to ISI:>//WOS:000762800800001
DO  - DOI:10.3390/agronomy12020285
UR  - https://juser.fz-juelich.de/record/905806
ER  -