Pre-selected walnut (Juglans regia L.) genotypes from the Arslanbob forest: Pomological characterization and identification of promising types

Ahmet Aygün; Meerim Amadalieva; Levent Kırca

doi:10.2478/mittklbg-2026-0003

Figures & Tables

View of the Arslanbob walnut-forest region in the Jalal-Abad region, Kyrgyzstan.

Physical appearance of the studied walnut genotypes.

Principal Component Analysis (PCA) Biplot Graph of Selected Walnut Genotypes Based on Studied Pomo-logical Traits (n = 30 per genotype)

Dendrogram of hierarchical cluster analysis of selected walnut genotypes based on studied pomological traits (n = 30 per genotype).

Correlation matrix of the studied pomological traits of walnut genotypes (n = 30 per genotype). *: 0.05, **:0.01, ***: 0.001

Qualitative pomological traits of the studied walnut genotypes.

Analysis of variance for some pomological traits of selected walnut genotypes (n = 30 per genotype)_

Genotypes	Nut weight (g)	Kernel weight (g)	Kernel ratio (%)	Nut length (mm)	Nut width (mm)	Nut thickness (mm)	Shell thickness (mm)	Shape index
G 1	7.13±0.73 ^g	3.30±0.49 ^d-i	46.18±3.50 ^d-g	27.52±1.02 ^f-i	27.08±0.99 ^f-i	27.52±1.27 ^no	2.23±0.27 ^k-n	1.01±0.02 ^b-e
G 2	8.66±1.01 ^c-e	3.25±0.55 ^e-i	37.59±4.86 ^j-l	28.30±1.31 ^d-f	27.96±1.23 ^c-g	33.01±1.46 ^c-e	2.71±0.49 ^f-i	0.93±0.03 ^h-k
G 3	8.77±0.71 ^c	3.99±0.55 ^b-d	45.35±3.07 ^e-h	29.40±1.33 ^c-e	30.34±1.02 ^a	31.31±1.47 ^e-i	2.36±0.32 ^h-l	0.96±0.04 ^f-i
G 4	7.31±0.52 ^fg	3.44±0.39 ^d-h	46.98±3.40 ^d-g	27.86±0.72 ^e-h	27.30±0.90 ^f-i	27.81±0.94 ^l-n	2.33±0.45 ^h-l	1.01±0.02 ^b-d
G 5	8.36±0.69 ^c-f	3.61±0.44 ^c-g	43.08±3.41 ^e-j	27.94±0.92 ^e-g	29.37±1.30 ^a-c	29.48±1.95 ^i-m	2.35±0.39 ^h-l	0.95±0.04 ^f-i
G 6	9.98±0.92 ^b	3.99±0.63 ^b-d	39.89±4.28 ^h-k	28.26±1.37 ^d-f	28.24±1.19 ^c-g	33.52±1.54 ^b-d	2.95±0.34 ^ef	0.92±0.03 ^i-k
G 7	8.64±0.86 ^c-e	3.54±0.50 ^c-g	40.83±2.78 ^g-j	27.12±0.91 ^f-j	27.48±0.94 ^e-h	32.76±1.01 ^c-f	2.47±0.22 ^g-k	0.90±0.02 ^j-l
G 8	8.15±2.01 ^c-g	3.45±1.17 ^d-h	41.37±5.47 ^e-j	29.91±1.31 ^b-d	29.07±1.15 ^a-e	30.13±1.74 ^g-k	2.26±0.43 ^i-n	1.01±0.04 ^b-e
G 9	7.29±1.08 ^g	3.79±0.70 ^c-f	51.80±4.60 ^b-d	28.38±1.29 ^d-f	27.52±1.23 ^e-g	28.28±1.50 ^k-n	2.01±0.23 ^l-n	1.02±0.04 ^bc
G 10	6.09±0.58 ^h	2.79±0.41 ^hi	45.66±4.64 ^e-g	25.43±1.13 ^kl	25.12±1.20 ^jk	27.93±1.01 ^mn	1.87±0.14 ⁿ	0.96±0.03 ^f-h
G 11	8.14±1.38 ^c-g	3.58±0.88 ^c-g	43.94±7.53 ^e-j	28.73±1.55 ^c-f	27.74±1.50 ^d-g	30.09±1.81 ^h-k	2.20±0.37 ^k-n	0.99±0.02 ^b-f
G 12	7.67±0.93 ^d-g	2.92±0.43 ^g-i	38.61±6.87 ^i-l	28.35±1.15 ^d-f	27.63±1.05 ^e-g	29.51±1.71 ^i-m	2.24±0.28 ^k-n	0.99±0.05 ^b-f
G 13	4.77±1.11 ⁱ	2.17±0.37 ⁱ	47.6±13.35 ^de	24.62±1.21 ^l	22.80±1.26 ^l	25.90±1.39 ^o	1.90±0.31 ^mn	1.01±0.04 ^bc
G 14	8.12±0.48 ^c-g	2.79±0.33 ^hi	34.26±2.74 ^kl	27.84±1.36 ^f-h	25.99±0.51 ^h-j	29.08±1.07 ^j-n	3.56±0.13 ^bc	1.01±0.04 ^bc
G 15	10.74±0.63 ^ab	5.13±0.51 ^a	47.66±3.16 ^c-f	29.61±2.43 ^cd	29.95±2.20 ^ab	38.43±1.77 ^a	2.98±0.46 ^ef	0.87±0.03 ^lm
G 16	7.78±0.92 ^c-g	3.73±0.62 ^c-f	47.68±2.84 ^de	26.16±1.29 ^i-k	26.84±1.27 ^g-i	33.36±1.93 ^b-d	2.43±0.32 ^h-k	0.87±0.03 ^lm
G 17	8.73±0.59 ^cd	3.93±0.44 ^b-f	44.94±3.45 ^e-i	28.31±1.27 ^d-f	28.60±1.43 ^b-f	34.78±1.71 ^bc	2.23±0.41 ^j-n	0.90±0.02 ^kl
G 18	7.10±0.64 ^gh	2.99±0.51 ^g-i	41.91±4.18 ^e-j	28.63±1.61 ^c-f	28.03±0.83 ^c-g	29.85±1.31 ^i-l	2.30±0.41 ^h-m	0.99±0.04 ^b-g
G 19	7.50±0.86 ^e-g	4.25±0.69 ^bc	56.39±4.70 ^ab	26.29±1.28 ^h-k	27.80±1.18 ^c-g	35.18±1.83 ^b	2.85±0.36 ^e-g	0.84±0.03 ^m
G 20	8.63±0.70 ^cd	3.53±0.45 ^d-g	40.73±2.23 ^g-j	27.30±0.80 ^f-j	26.05±1.03 ^h-j	30.78±1.18 ^f-j	3.24±0.36 ^c-e	0.97±0.02 ^e-h
G 21	8.16±0.93 ^c-g	3.23±0.52 ^f-i	39.53±4.03 ^h-k	27.62±1.09 ^f-i	27.17±0.92 ^f-i	32.08±1.22 ^d-h	3.51±0.24 ^b-d	0.94±0.04 ^h-k
G 22	7.98±0.87 ^c-g	3.29±0.50 ^f-h	41.12±3.04 ^g-j	29.68±2.11 ^cd	29.83±2.40 ^ab	33.22±2.01 ^cd	3.14±0.46 ^de	0.94±0.05 ^h-j
G 23	10.5±0.98 ^ab	4.66±0.70 ^ab	44.39±5.00 ^e-ı	31.72±1.30 ^a	30.41±1.31 ^a	29.29±2.46 ^j-n	3.76±0.44 ^ab	1.06±0.05 ^a
G 24	7.31±0.73 ^g	4.22±0.56 ^bc	57.69±3.34 ^a	25.99±1.20 ^jk	27.67±1.34 ^e-g	32.04±1.50 ^d-g	2.16±0.30 ^k-n	0.87±0.02 ^lm
G 25	7.64±0.70 ^d-g	2.61±0.48 ⁱ	34.08±4.66 ^kl	27.05±1.05 ^f-j	24.08±1.05 ^kl	28.46±1.22 ^k-n	2.74±0.43 ^f-h	1.03±0.03 ^ab
G 26	7.45±0.58 ^fg	3.98±0.62 ^b-e	53.75±8.62 ^a-c	26.49±1.27 ^g-k	25.78±0.79 ^ij	30.63±1.13 ^g-j	2.03±0.16 ^k-n	0.94±0.05 ^g-k
G 27	11.07±1.09 ^a	3.73±0.68 ^c-f	33.64±4.91 ^l	30.05±1.27 ^bc	29.18±1.35 ^a-d	32.97±1.34 ^c-e	3.95±0.49 ^a	0.97±0.04 ^d-h
G 28	10.03±1.18 ^b	4.22±0.83 ^bc	41.82±5.90 ^f-j	31.18±1.80 ^ab	30.54±1.60 ^a	32.95±2.80 ^c-e	2.65±0.46 ^f-j	0.98±0.05 ^c-g

p-value	*******	*******	*******	*******	*******	*******	*******	*******

Pre-selected walnut (Juglans regia L.) genotypes from the Arslanbob forest: Pomological characterization and identification of promising types

Figures & Tables

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Fig. 6:

Analysis of variance for some pomological traits of selected walnut genotypes (n = 30 per genotype)_

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