Feability of Pleurotus geesteranus residue as substrate for tissue culture seedlings of hybrid orchid

doi:10.3969/j.issn.1004-1524.20240496

Acta Agriculturae Zhejiangensis ›› 2025, Vol. 37 ›› Issue (8): 1716-1722.DOI: 10.3969/j.issn.1004-1524.20240496

• Horticultural Science • Previous Articles Next Articles

Feability of Pleurotus geesteranus residue as substrate for tissue culture seedlings of hybrid orchid

ZHAO Fukang(), MEI Huan, ZHANG Xiaoying, FU Qiaojuan()

Institute of Horticulture, Hangzhou Academy of Agricultural Sciences, Hangzhou 310024, China

Received:2024-06-06 Online:2025-08-25 Published:2025-09-03
Contact: FU Qiaojuan

Abstract

Abstract:

By using three types of hybrid orchid tissue culture seedlings as test materials, the effects of addition amount (10%, 30%, 50%, 80%, 100%) of Pleurotus geesteranus residue on the physicochemical properties of the cultivation substrate and the growth of hybrid orchids were investigated. It was shown that adding P. geesteranus residue reduced the bulk density, aeration porosity and air-water ratio of the substrate, while increased the water holding porosity, pH value and electrical conductivity, as compared with the commonly used cultivation substrate. Different addition amounts of P. geesteranus residue to the substrate had varying effects on the growth status of tissue culture seedlings of hybrid orchid. For the hybrid orchids GZ1-11 and GZ3-7, when the addition amount of P. geesteranus residue was not higher than 30%, their growth status was similar to or better than the control group (CK), which used the common cultivation substrate. For the hybrid orchid GZ2-1, when the addition amount of P. geesteranus residue did not exceed 50%, the plant height, fresh weight, root number, root length, and vertical and transverse diameter of pseudobulb were significantly (p<0.05) superior than those of the CK. Overall, P. geesteranus residue could be used in cultivation substrate for hybrid orchid production, with an appropriate addition amount not exceeding 30%.

Key words: hybrid orchid, tissue culture seedling, Pleurotus geesteranus residue, substrate

CLC Number:

S682.31

ZHAO Fukang, MEI Huan, ZHANG Xiaoying, FU Qiaojuan. Feability of Pleurotus geesteranus residue as substrate for tissue culture seedlings of hybrid orchid[J]. Acta Agriculturae Zhejiangensis, 2025, 37(8): 1716-1722.

Figures/Tables 7

References 22

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处理 Treatment	容重 Bulk density/ (g·cm^-3)	总孔隙度 Total porosity/ %	通气孔隙度 Aeration porosity/%	持水孔隙度 Water holding porosity/%	气水比 Air-water ratio	pH值 pH value	电导率 Electrical conductivity/ (μS·cm^-1)
CK	0.61±0.02 a	69.13±2.19 ab	53.08±1.94 a	15.53±0.71 c	3.43±0.27 a	5.58±0.08 f	436.00±1.41 d
T1	0.49±0.01 b	70.72±1.37 a	47.26±1.33 ab	25.19±1.53 ab	1.88±0.17 b	5.79±0.08 e	182.50±3.54 f
T2	0.52±0.02 b	69.54±1.56 ab	46.81±2.01 ab	21.86±1.55 bc	2.15±0.24 b	6.30±0.04 d	326.50±9.19 e
T3	0.51±0.02 b	71.15±0.57 a	43.69±8.19 b	27.78±8.28 ab	1.69±0.80 b	6.53±0.05 c	506.50±2.12 c
T4	0.50±0.02 b	71.17±2.37 a	42.74±1.67 b	28.42±1.97 a	1.51±0.13 b	7.11±0.07 b	688.00±5.66 b
T5	0.53±0.03 b	67.15±2.12 b	42.47±2.23 b	24.70±1.88 ab	1.73±0.20 b	7.46±0.08 a	771.50±2.12 a

处理 Treatment	容重 Bulk density/ (g·cm^-3)	总孔隙度 Total porosity/ %	通气孔隙度 Aeration porosity/%	持水孔隙度 Water holding porosity/%	气水比 Air-water ratio	pH值 pH value	电导率 Electrical conductivity/ (μS·cm^-1)
CK	0.61±0.02 a	69.13±2.19 ab	53.08±1.94 a	15.53±0.71 c	3.43±0.27 a	5.58±0.08 f	436.00±1.41 d
T1	0.49±0.01 b	70.72±1.37 a	47.26±1.33 ab	25.19±1.53 ab	1.88±0.17 b	5.79±0.08 e	182.50±3.54 f
T2	0.52±0.02 b	69.54±1.56 ab	46.81±2.01 ab	21.86±1.55 bc	2.15±0.24 b	6.30±0.04 d	326.50±9.19 e
T3	0.51±0.02 b	71.15±0.57 a	43.69±8.19 b	27.78±8.28 ab	1.69±0.80 b	6.53±0.05 c	506.50±2.12 c
T4	0.50±0.02 b	71.17±2.37 a	42.74±1.67 b	28.42±1.97 a	1.51±0.13 b	7.11±0.07 b	688.00±5.66 b
T5	0.53±0.03 b	67.15±2.12 b	42.47±2.23 b	24.70±1.88 ab	1.73±0.20 b	7.46±0.08 a	771.50±2.12 a

材料Material	处理Treatment	叶片数Number of leaves	叶长Leaf length/cm	叶宽Leaf width/cm
GZ1-11	CK	7.47±1.30 ab	24.75±3.19 a	3.01±0.23 a
	T1	7.07±1.53 ab	22.64±4.50 a	3.11±0.71 a
	T2	6.53±1.41 bc	22.92±2.15 a	3.03±0.48 a
	T3	8.00±1.07 a	23.59±2.18 a	3.13±0.32 a
	T4	5.87±1.13 c	22.95±2.74 a	3.01±0.39 a
	T5	3.33±1.29 d	15.52±3.34 b	2.93±0.22 a
GZ2-1	CK	9.40±0.83 a	25.87±2.58 bc	4.00±0.24 c
	T1	9.13±0.92 a	27.91±2.34 b	4.25±0.40 bc
	T2	8.93±1.03 a	30.08±3.21 a	4.49±0.29 ab
	T3	7.80±0.77 b	31.45±3.11 a	4.52±0.31 a
	T4	7.47±0.99 b	26.55±2.17 b	4.25±0.37 bc
	T5	6.20±1.01 c	24.25±3.74 c	3.63±0.53 d
GZ3-7	CK	4.73±0.80 ab	12.85±2.43 b	2.41±0.24 b
	T1	4.93±1.28 a	16.21±2.36 a	2.97±0.82 a
	T2	3.60±1.64 c	14.89±1.29 a	2.88±0.56 a
	T3	3.40±0.63 c	15.21±2.15 a	2.64±0.32 ab
	T4	3.73±0.88 c	15.84±1.58 a	2.68±0.35 ab
	T5	4.07±0.59 bc	15.95±1.89 a	2.64±0.30 ab

材料Material	处理Treatment	叶片数Number of leaves	叶长Leaf length/cm	叶宽Leaf width/cm
GZ1-11	CK	7.47±1.30 ab	24.75±3.19 a	3.01±0.23 a
	T1	7.07±1.53 ab	22.64±4.50 a	3.11±0.71 a
	T2	6.53±1.41 bc	22.92±2.15 a	3.03±0.48 a
	T3	8.00±1.07 a	23.59±2.18 a	3.13±0.32 a
	T4	5.87±1.13 c	22.95±2.74 a	3.01±0.39 a
	T5	3.33±1.29 d	15.52±3.34 b	2.93±0.22 a
GZ2-1	CK	9.40±0.83 a	25.87±2.58 bc	4.00±0.24 c
	T1	9.13±0.92 a	27.91±2.34 b	4.25±0.40 bc
	T2	8.93±1.03 a	30.08±3.21 a	4.49±0.29 ab
	T3	7.80±0.77 b	31.45±3.11 a	4.52±0.31 a
	T4	7.47±0.99 b	26.55±2.17 b	4.25±0.37 bc
	T5	6.20±1.01 c	24.25±3.74 c	3.63±0.53 d
GZ3-7	CK	4.73±0.80 ab	12.85±2.43 b	2.41±0.24 b
	T1	4.93±1.28 a	16.21±2.36 a	2.97±0.82 a
	T2	3.60±1.64 c	14.89±1.29 a	2.88±0.56 a
	T3	3.40±0.63 c	15.21±2.15 a	2.64±0.32 ab
	T4	3.73±0.88 c	15.84±1.58 a	2.68±0.35 ab
	T5	4.07±0.59 bc	15.95±1.89 a	2.64±0.30 ab

处理 Treatment	假鳞茎纵径Vertical diameter of pseudobulb			假鳞茎横径Transverse diameter of pseudobulb
处理 Treatment	GZ1-11	GZ2-1	GZ3-7	GZ1-11	GZ2-1	GZ3-7
CK	4.43±0.57 ab	4.47±0.50 b	3.35±0.36 b	3.54±0.47 ab	3.43±0.27 c	2.63±0.20 b
T1	4.05±0.75 bcd	4.94±0.44 a	3.65±0.84 ab	3.15±0.49 c	3.73±0.37 b	2.88±0.44 ab
T2	3.90±0.71 cd	5.19±0.37 a	3.63±0.85 ab	3.31±0.55 bc	4.04±0.31 a	2.96±0.50 a
T3	4.31±0.56 abc	5.27±0.49 a	3.50±0.47 ab	3.59±0.38 ab	4.27±0.50 a	2.89±0.37 ab
T4	4.59±1.02 a	4.39±0.42 b	3.53±0.36 ab	3.67±0.30 a	3.70±0.34 bc	3.00±0.24 a
T5	3.68±0.24 d	4.03±0.58 c	3.81±0.33 a	3.07±0.29 c	3.44±0.50 c	3.15±0.37 a

Feability of Pleurotus geesteranus residue as substrate for tissue culture seedlings of hybrid orchid

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处理 Treatment	根数Root number			根长Root length/cm
处理 Treatment	GZ1-11	GZ2-1	GZ3-7	GZ1-11	GZ2-1	GZ3-7
CK	12.93±2.22 ab	6.80±2.08 c	9.13±2.72 a	15.08±2.49 a	14.02±2.11 b	15.29±2.15 cd
T1	11.60±3.81 bc	12.27±1.87 a	10.47±2.29 a	15.62±3.90 a	17.06±2.38 a	20.63±3.66 a
T2	13.13±2.83 ab	11.67±2.50 a	10.07±2.25 a	11.49±3.03 b	17.28±2.56 a	17.43±3.33 bc
T3	13.07±2.05 ab	11.40±2.23 a	8.93±2.25 a	11.63±1.48 b	16.01±1.35 a	19.29±3.27 ab
T4	14.60±2.32 a	9.53±1.41 b	9.13±3.40 a	10.03±2.05 b	14.45±1.54 b	13.65±2.41 d
T5	10.40±2.10 c	9.53±2.07 b	10.60±1.84 a	6.63±1.94 c	11.71±2.61 c	14.26±3.60 d

处理 Treatment	根数Root number			根长Root length/cm
处理 Treatment	GZ1-11	GZ2-1	GZ3-7	GZ1-11	GZ2-1	GZ3-7
CK	12.93±2.22 ab	6.80±2.08 c	9.13±2.72 a	15.08±2.49 a	14.02±2.11 b	15.29±2.15 cd
T1	11.60±3.81 bc	12.27±1.87 a	10.47±2.29 a	15.62±3.90 a	17.06±2.38 a	20.63±3.66 a
T2	13.13±2.83 ab	11.67±2.50 a	10.07±2.25 a	11.49±3.03 b	17.28±2.56 a	17.43±3.33 bc
T3	13.07±2.05 ab	11.40±2.23 a	8.93±2.25 a	11.63±1.48 b	16.01±1.35 a	19.29±3.27 ab
T4	14.60±2.32 a	9.53±1.41 b	9.13±3.40 a	10.03±2.05 b	14.45±1.54 b	13.65±2.41 d
T5	10.40±2.10 c	9.53±2.07 b	10.60±1.84 a	6.63±1.94 c	11.71±2.61 c	14.26±3.60 d

处理 Treatment	株高Plant height/cm			鲜重Fresh weight/g
处理 Treatment	GZ1-11	GZ2-1	GZ3-7	GZ1-11	GZ2-1	GZ3-7
CK	21.02±4.06 a	19.17±3.65 b	16.93±2.70 b	13.97±4.17 a	17.14±3.34 b	12.28±2.48 c
T1	19.84±4.03 a	23.68±2.70 a	19.97±3.13 a	13.23±3.53 a	21.83±3.55 a	17.87±2.91 a
T2	19.18±4.53 ab	24.28±3.73 a	18.51±1.52 ab	10.35±3.85 b	22.86±4.15 a	16.10±2.73 ab
T3	17.05±3.42 b	24.45±3.61 a	18.62±2.51 ab	10.33±2.53 b	21.77±3.36 a	16.54±4.08 ab
T4	19.59±3.67 ab	20.52±3.21 b	18.08±2.87 ab	13.94±2.57 a	17.27±3.49 b	14.35±4.26 bc
T5	12.31±2.58 c	18.47±2.45 b	17.91±2.95 b	6.91±1.46 c	13.27±3.93 c	16.96±4.66 ab

处理 Treatment	株高Plant height/cm			鲜重Fresh weight/g
处理 Treatment	GZ1-11	GZ2-1	GZ3-7	GZ1-11	GZ2-1	GZ3-7
CK	21.02±4.06 a	19.17±3.65 b	16.93±2.70 b	13.97±4.17 a	17.14±3.34 b	12.28±2.48 c
T1	19.84±4.03 a	23.68±2.70 a	19.97±3.13 a	13.23±3.53 a	21.83±3.55 a	17.87±2.91 a
T2	19.18±4.53 ab	24.28±3.73 a	18.51±1.52 ab	10.35±3.85 b	22.86±4.15 a	16.10±2.73 ab
T3	17.05±3.42 b	24.45±3.61 a	18.62±2.51 ab	10.33±2.53 b	21.77±3.36 a	16.54±4.08 ab
T4	19.59±3.67 ab	20.52±3.21 b	18.08±2.87 ab	13.94±2.57 a	17.27±3.49 b	14.35±4.26 bc
T5	12.31±2.58 c	18.47±2.45 b	17.91±2.95 b	6.91±1.46 c	13.27±3.93 c	16.96±4.66 ab