Selection of Chestnuts (Castanea sativa) in Srinagar District of the Kashmir Valley, India

Figures & data

TABLE 1 Nut and Kernel Characteristics of Various Chestnut Accessions

Genotype	Nut weight (g)	Nut size (mm)	Shelling (%)	Pellicle adhesion	Pellicle intrusion	Yield/tree (kg)	Cropping efficiency (g/cm^2)
HSC001	15.75	33.81	85.46	Partial	No	90.00	196.80
HSC002	10.52	32.22	80.54	Partial	Yes	80.50	181.10
HSC003	10.66	29.82	80.57	Partial	Yes	80.50	181.10
HSC004	6.73	26.21	77.94	Partial	Yes	70.00	162.10
HSC005	11.26	30.48	85.52	Partial	Yes	80.00	174.90
HSC006	15.01	32.94	83.73	Partial	Yes	70.50	168.20
HSC007	9.88	31.27	76.44	Partial	Yes	60.00	144.90
HSC008	13.80	32.56	85.44	Partial	No	70.00	172.20
HSC009	13.68	29.82	83.97	Partial	No	80.00	249.90
HSC010	15.04	30.34	88.25	Partial	Yes	80.50	176.07
HSC011	13.63	32.81	85.25	Absent	No	110.00	318.40
HSC012	8.92	27.99	80.88	Absent	No	75.00	202.20
HSC013	8.02	26.75	81.39	Partial	Yes	76.00	166.20
HSC014	11.09	32.66	81.72	Partial	Yes	75.00	184.50
HSC015	13.68	31.45	85.64	Partial	Yes	80.00	174.90
HSC016	11.09	30.88	80.52	Partial	Yes	75.00	234.30
HSC017	7.04	27.44	77.30	Partial	Yes	50.00	211.60
HSC018	16.10	33.51	85.50	Partial	Yes	75.50	174.80
HSC019	12.15	30.78	85.57	Partial	Yes	50.00	109.30
HSC020	11.15	32.96	82.00	Partial	Yes	50.00	207.20
HSC021	6.15	26.96	77.00	Partial	Yes	45.00	98.42
HSC022	15.63	33.95	84.97	Partial	Yes	80.00	224.90
HSC023	14.80	32.89	85.74	Partial	Yes	80.00	174.90
HSC024	11.74	32.50	86.75	Partial	Yes	70.50	154.10
HSC025	16.27	33.65	85.97	Partial	Yes	65.00	183.30
HSC026	8.82	27.55	79.33	Partial	Yes	100.00	281.20
HSC027	12.58	31.01	84.42	Partial	Yes	80.00	174.90
HSC028	7.85	27.43	77.64	Partial	Yes	70.00	162.10
HSC029	14.65	32.72	86.67	Partial	Yes	70.50	158.60
HSC030	11.82	30.86	88.46	Partial	Yes	60.00	181.70
HSC031	11.42	30.04	87.66	Partial	Yes	50.00	112.40
HSC032	16.37	34.94	85.98	Absent	No	70.00	218.70
HSC033	12.23	33.09	84.00	Partial	Yes	70.00	172.20
HSC034	11.63	30.00	86.33	Partial	Yes	10.00	24.60
HSC035	15.20	33.71	85.33	Partial	Yes	80.00	22.49
HSC036	5.30	25.76	86.41	Absent	Yes	13.00	68.24
HSC037	5.86	26.53	86.16	Absent	Yes	20.00	119.30
HSC038	5.23	25.59	86.68	Absent	Yes	15.00	73.81
HSC039	6.22	26.85	86.33	Partial	Yes	17.00	80.63
HSC040	16.21	33.88	86.27	Complete	Yes	75.00	227.10
SKC041	14.75	33.36	83.11	Partial	Yes	30.00	82.02
SKC042	8.68	27.14	84.40	Partial	Yes	20.00	58.32
SKC043	9.46	26.63	84.00	Partial	Yes	33.00	196.80
SKC044	8.53	26.72	83.61	Partial	Yes	22.00	93.13
SKC045	14.87	33.99	82.20	Partial	Yes	25.00	149.30
SKC046	9.11	31.41	84.14	Absent	Yes	28.00	132.80
ELC047	6.04	26.33	86.83	Partial	Yes	20.00	87.48
ELC048	5.90	26.73	86.34	Partial	Yes	26.00	93.05
ELC049	5.94	27.84	86.70	Partial	Yes	3.00	9.84
ELC050	10.04	27.36	83.86	Partial	Yes	26.00	157.40

TABLE 2 Estimates of Range, Mean, Standard Error, and Coefficient of Variation of Chestnut Genotypes

		Range
S. No.	Character	Minimum	Maximum	Mean ± S.E.	C.V.
1	Petiole length	0.93	2.76	1.92±0.04	28.64
2	Bud burst	25.00	34.00	28.87 ± 0.21	9.07
3	No. of burrs/stalk	1.00	6.00	3.96 ± 0.12	36.61
4	No. of plump fruits/burr	1.13	3.26	1.78 ± 0.12	33.14
5	No. of undeveloped fruits/burr	0.33	1.91	1.11 ± 0.04	46.84
6	No. of fruits/burr	2.46	3.60	2.89 ± 0.03	15.22
7	Nut size (mm)	25.59	34.94	30.25 ± 0.25	10.14
8	Nut weight (g)	5.23	16.37	11.09 ± 0.30	32.18
9	Shelling percentage	76.44	88.46	83.96 ± 0.53	7.75
10	Nut yield (kg)	3.00	110.00	57.05 ± 0.73	47.04
11	Cropping efficiency (g/cm^2)	9.84	318.40	41.02 ± 0.51	41.02

TABLE 3 Correlation Coefficients for Different Yield Parameters in Various Chestnut Genotypes

S. No.	Character	Petiole length	No. of burrs/stalk	No. of plump fruits/burr	No. of undeveloped fruits/burr	Nut size	Nut weight	Nut yield
1	Petiole length	1.00	−0.045	0.061	0.394*	−0.178	−0.062	0.229
2	No. of burr/stalk		1.00	0.196	−0.0147	0.180	0.206	0.381*
3	No. of plumps/burr			1.00	−0.683	−0.043	−0.025	0.135
4	No. of undeveloped fruits/burr				1.00	0.099	0.127	−0.121
5	Nut size					1.00	0.855*	0.415*
6	Nut weight						1.00	0.483*
7	Nut yield							1.00
*Significance

FIGURE 1 Comparison of the top four chestnut genotypes (color figure available online).

TABLE 4 The Scores of Characteristics and Their Relative Values (Ayfer and Soylu, 1995)

		Relative score for
S. No.	Characteristics	General quality	Nut size	Roasting	Class of characteristics and their scores
1	Fruit bearing	10	10	10	Very good, 10; good, 7; medium, 4; low, 1
2	No. of nuts/burr	10	10	10	3.0–2.5, 10; 2.4–1.5, 6; 1.4–1.0, 3
3	Nut size (No. of nuts/kg)	15	20	15	Very large ≤55, 8; medium 66–85, 6; small 86–100, 3; very small ≥100, 1
4	Pellicle adhesion to kernel	10	10	15	Absent, 6; partial, 3; complete, 1
5	Pellicle intrusion to kernel	10	10	10	No, 9; Yes, 1

Ayfer , M. and Soylu , A. Selection of chestnut cultivars (Castanea sativa Mill) in Marmara region of Turkey . Proc. Intl. Congress on Chestnut . October 20–23 , Spoleto, Italy. pp. 285 – 289 .

 Google Scholar