Fig 1.
Semi-hydroponic phenotyping platform (a) growth chamber (b) plastic tray (c) germination stand and paper setup (d) germinating mungbean seeds in semi-hydroponic phenotyping platform (e) seedling grown for 18 days (f) root system of two contrasting genotypes grown for 18 days.
Table 1.
Description of the root traits assessed in the study.
Table 2.
Candidate trait variation in the AVRDC mungbean mini-core collection.
Fig 2.
Frequency distribution of root traits in the AVRDC mungbean mini core collection with the trait value on the x axis and the number of accessions on the y-axis.
Fig 3.
Distribution of total root length based on root diameter classes (0 to 0.5mm, 0.5 to1.0mm, 1.0 to1.5mm, 1.5 to 2.0mm and 2.0 to 2.5mm).
Fig 4.
Correlations coefficients among all the root and biomass traits, boxed blocks indicate significant correlations at (p<0.05).
(A: PRL, B: TPA, C: TSA, D: TRL, E: ARD, F: LPV, G: TRV, H: TRT, I: TRF, J: TRC, K: RDW, L: SDW, M: TDW, N: RSR).
Fig 5.
Biplots and outliers in comparison between a) Principle Component 1 vs. Principle Component 2. Biplots and outliers in comparison between b) Principle Component 1 vs. Principle Component 3. (Where A: PRL, B: TPA, C: TSA, D: TRL, E: ARD, F: LPV, G: TRV, H: TRT, I: TRF, J: TRC, K: RDW, L: SDW, M: TDW, N: RSR).
Table 3.
Different principal components and their loading scores trait wise.
Table 4.
Candidate traits and their Shannon-Weaver diversity indices (H`) in the AVRDC mungbean mini-core collection.
Fig 6.
Dendrogram depicting the diversity of the AVRDC mungbean mini-core accessions.
Clusters C-I(pink), C-II(brown), C-III(blue), C-IV(violet), C-V(grey), C-VI(red), C-VII(green) and C-VIII(yellow). (A separate picture file was uploaded for dendrogram).
Table 5.
Variability of root architectural details of ten contrasting genotypes of the AVRDC mungbean mini-core collection grown under semi-hydroponic conditions.