Correlations among morphological traits of sweet chestnut (Castanea sativa Miller) from Bosnia and Herzegovina

Location	Subpopulation label	Longitude	Latitude	Altitude (m)
Vrnograč (Velika Kladuša)	V1	45°10′11″	15°56′07″	268.80
	V2	45°09′56″	15°58′13″	262.10
	V3	45°09′54″	15°58′12″	252.10
	V4	45°10′06″	15°58′13″	258.60
	V5	45°10′02″	15°58′19″	285.20
Zaradostovo (Bužim)	B6	45°04′44″	16°03′42″	282.60
	B7	45°04′44″	16°03′53″	271.10
	B8	45°04′40″	16°03′43″	319.60
	B9	45°04′35″	16°03′38″	323.30
Gornja Koprivna (Cazin)	C10	44°58′47″	15°57′35″	503.00
	C11	44°58′44″	15°57′40″	490.10
	C12	44°58′49″	15°57′39″	484.10
	C13	44°58′59″	15°57′45″	498.80
	C14	44°59′08″	15°57′46″	486.40
	Ck15	44°58′52″	15°57′41″	498.60
	Ck16	44°58′47″	15°57′35″	492.00

Table 2

Correlation coefficients and labels of significant differences for the fruit traits

Variables	FL	FW	FT	HW	HL	FWG	FS	FE	PSCiE	FL/FW	RSH
FL	1	0.766^****	0.567^****	0.557^****	0.531^****	0.794^****	−0.173^****	0.007	−0.006	0.139^****	0.575^****
FW		1	0.617^****	0.666^****	0.725^****	0.877^****	−0.054^***	−0.014	−0.029	−0.521^****	0.734^****
FT			1	0.651^****	0.582^****	0.796^****	−0.120^****	−0.031	−0.042^*	−0.198^****	0.652^****
HW				1	0.723^****	0.699^****	−0.047^**	−0.012	−0.033^**	−0.278^****	0.923^****
HL					1	0.694^****	−0.009	−0.012	−0.028	−0.403^****	0.915^****
FWG						1	−0.103^****	−0.023	−0.045^**	−0.290^****	0.748^****
FS							1	0.070^****	0.418^****	−0.149^****	−0.033^**
FE								1	0.133^****	0.030	−0.015
PSCiE									1	0.035^*	−0.033^**
FL/FW										1	−0.351^****
RSH											1

* P < 0.05;

** P < 0.01;

*** P < 0.001;

**** P < 0.0001.

FL, fruit length; FW, fruit width; FT, fruit thickness; HW, hilum width; HL, hilum length, FWG, fruit weight; FS, fruit shape; FE, fruit embryony; PSCiE, penetration of seed coat into embryo.

Table 3

Correlation coefficients and labels of significant differences for the leaf traits

Variables	LBL	LBW	LPL	LBS	LES	TLL	LBW/LBL
LBL	1	0.616^****	0.294^****	−0.035	−0.001	0.989^****	−0.366^****
LBW		1	−0.177^****	0.036	−0.012	0.553^****	0.492^****
LPL			1	−0.041	−0.114^****	0.434^****	−0.527^****
LBS				1	0.185^****	−0.039	0.083
LES					1	−0.019	−0.022
TLL						1	−0.427
LBW/LBL							1

* P < 0.05;

** P < 0.01;

*** P < 0.001;

**** P < 0.0001.

LBL, leaf blade length; LBW, leaf blade width; LPL, leaf petiole length; LBS, leaf blade shape; LES, leaf edge shape; TLL, total leaf length.

Table 4

Correlation coefficients and labels of significant differences for the cupule traits

Variables	CW	CH	NfiC	NL	RSC
CW	1	0.750^****	0.613^****	−0.042	0.916^****
CH		1	0.508^****	0.076^**	0.935^****
NfiC			1	−0.069^*	0.584^****
NL				1	0.007
RSC					1

* P < 0.05;

** P < 0.01;

*** P < 0.001;

**** P < 0.0001.

CW, cupule width; CH, cupule height; NfiC, number of fruits in cupule; NL, needle length.

Table 5

Correlation coefficients and labels of significant differences for the traits of fruit and leaf

Variables	LBL	LBW	LPL	LBS	LES	TLL	LBW/LBL	LBW/TLL
FL	−0.070	−0.178	0.225	0.011	−0.080	−0.031	−0.131	−0.165
FW	−0.092	−0.186	0.211	0.008	−0.062	−0.053	−0.119	−0.153
FT	−0.073	−0.156	0.161	−0.001	−0.033	−0.043	−0.107	−0.131
HW	−0.079	−0.167	0.170	0.030	−0.023	−0.048	−0.113	−0.140
HL	−0.099	−0.187	0.171	0.014	−0.057	−0.066	−0.113	−0.143
FWG	−0.060	−0.170	0.215	0.002	−0.031	−0.023	−0.133	−0.163
FS	−0.024	−0.001	−0.040	−0.053	0.039	−0.029	0.015	0.019
FE	−0.022	−0.039	−0.008	−0.037	0.001	−0.022	−0.015	−0.014
PSCiE	−0.002	−0.044	0.070	−0.007	−0.043	0.010	−0.055	−0.062
FL/FW	0.046	0.050	−0.029	0.006	−0.012	0.039	0.011	0.020
RSH	−0.086	−0.182	0.180	0.025	−0.030	−0.053	−0.122	−0.151

[i] FL, fruit length; FW, fruit width; FT, fruit thickness; HW, hilum width; HL, hilum length, FWG, fruit weight; FS, fruit shape; FE, fruit embryony; PSCiE, penetration of seed coat into embryo; LBL, leaf blade length; LBW, leaf blade width; LPL, leaf petiole length; LBS, leaf blade shape; LES, leaf edge shape; TLL, total leaf length.

Table 6

Correlation coefficients and labels of significant differences for the traits of fruit and cupule

Variables	CW	CH	NfiC	NL	RSC
FL	−0.087	−0.020	−0.077	0.134	−0.052
FW	−0.040	0.009	−0.031	0.210	−0.013
FT	−0.053	0.034	−0.058	0.180	−0.007
HW	−0.016	0.027	−0.055	0.174	0.018
HL	−0.012	0.002	−0.051	0.181	−0.001
FWG	−0.062	−0.004	−0.051	0.192	−0.032
FS	0.067	−0.030	0.023	0.153	0.013
FE	−0.046	−0.025	−0.025	−0.042	−0.033
PSCiE	−0.007	−0.069	−0.016	0.074	−0.040
FL/FW	−0.067	−0.056	−0.063	−0.138	−0.064
RSH	−0.022	−0.002	−0.057	0.177	−0.004

[i] FL, fruit length; FW, fruit width; FT, fruit thickness; HW, hilum width; HL, hilum length, FWG, fruit weight; FS, fruit shape; FE, fruit embryony; PSCiE, penetration of seed coat into embryo; CW, cupule width; CH, cupule height; NfiC, number of fruits in cupule; NL, needle length.

Table 7

Correlation coefficients and labels of significant differences for the traits of leaf and cupule

Variables	LBL	LBW	LPL	LBS	LES	TLL	LBW/LBL	LBW/TLL
CW	0.028	0.023	−0.081	−0.028	0.025	0.017	0.003	0.015
CH	−0.008	−0.009	−0.024	−0.036	−0.046	−0.010	−0.001	0.002
NfiC	0.031	0.064	−0.061	−0.007	0.022	0.022	0.045	0.054
NL	−0.036	−0.019	−0.143	0.021	−0.015	−0.052	0.000	0.017
RSC	0.014	0.010	−0.063	−0.031	−0.002	0.006	−0.002	0.008

[i] CW, cupule width; CH, cupule height; NfiC, number of fruits in cupule; NL, needle length; LBL, leaf blade length; LBW, leaf blade width; LPL, leaf petiole length; LBS, leaf blade shape; LES, leaf edge shape; TLL, total leaf length.

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DOI: https://doi.org/10.2478/ffp-2022-0005 | Journal eISSN: 2199-5907 | Journal ISSN: 0071-6677

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Language: English

Page range: 49 - 57

Submitted on: Mar 12, 2021

Accepted on: Feb 8, 2022

Published on: Mar 11, 2022

Published by: Forest Research Institute

In partnership with: Paradigm Publishing Services

Keywords:

correlation coefficient,

morphological traits,

sweet chestnut

Related subjects:

Life sciences,

Plant science

© 2022 Aida Tuğ, Mirzeta Memišević Hodžić, Dalibor Ballian, published by Forest Research Institute
This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 License.

Volume 64 (2022): Issue 1 (March 2022)