Effects of different specifications of hole tray on tomato growth and mechanized transplanting

doi:10.3969/j.issn.1004-1524.2021.05.09

Acta Agriculturae Zhejiangensis ›› 2021, Vol. 33 ›› Issue (5): 840-845.DOI: 10.3969/j.issn.1004-1524.2021.05.09

• Horticultural Science • Previous Articles Next Articles

Effects of different specifications of hole tray on tomato growth and mechanized transplanting

WANG Kelei(), ZHU Longjing, SU Shiwen, BAO Yuhua, CHEN Xianzhi, XU Jian^*()

Wenzhou Academy of Agricultural Sciences, Wenzhou Controlled-Environment Vegetable Engineering Center, Wenzhou 325000, China

Received:2020-06-26 Online:2021-05-25 Published:2021-05-25
Contact: XU Jian

Abstract

Abstract:

The growth and mechanized transplanting of tomato seedlings at different seedling ages were studied by measuring the growth, physiological propety and qualified rate of mechanized transplanting, and the results were analyzed in order to provide reference for mechanized transplanting of tomato seedlings. The results showed that the plant height, stem diameter, shoot dry weight and root dry weight of tomato seedlings increased with the increase of seedling age, the root activity and net photosynthetic rate of tomato seedlings increased firstly and then decreased with the increase of seedling age. At the seedling age of 20 d and 40 d, the qualified rate of mechanized transplanting of tomato seedlings was lower than 90%, which did not meet the industry standards. On the whole, the growth of tomato seedlings in 50 hole tray at the seeding age of 30 d was the best, the root activity and net photosynthetic rate were the highest, the scattered lump rate was 5.6%, the qualified rate of mechanized transplanting was 93.89%, which was the most suitable for mechanized transplanting.

Key words: tomato, plug seedling, mechanized transplanting, scattered lump rate

CLC Number:

S641.2

WANG Kelei, ZHU Longjing, SU Shiwen, BAO Yuhua, CHEN Xianzhi, XU Jian. Effects of different specifications of hole tray on tomato growth and mechanized transplanting[J]. Acta Agriculturae Zhejiangensis, 2021, 33(5): 840-845.

Figures/Tables 7

References 12

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苗龄 Seedling age/d	穴盘规格 Specification of hole tray	株高 Height/cm	茎粗 Stem diameter/mm	地上部干重 Shoot dry weight/g	地下部干重 Root dry weight/g	叶片开展度 Blade development/cm	壮苗指数 Seedling index
20	A1	11.69 de	0.189 de	0.327 e	0.0605 cd	11.36 bc	0.078 cde
	A2	9.97 ef	0.174 e	0.309 ef	0.0473 cde	9.98 bc	0.061 de
	A3	9.06 f	0.146 e	0.246 g	0.0407 e	9.19 c	0.052 e
30	A1	16.07 c	0.290 ab	0.483 c	0.0792 c	16.97 a	0.102 bc
	A2	13.01 d	0.249 bc	0.428 d	0.0627 d	12.23 b	0.081 cd
	A3	10.41 ef	0.231 cd	0.276 fg	0.0451 de	9.61 c	0.060 de
40	A1	25.48 a	0.341 a	0.677 a	0.1342 a	17.13 a	0.172 a
	A2	18.07 b	0.290 ab	0.551 b	0.0858 b	15.70 a	0.109 b
	A3	16.41 bc	0.269 bc	0.481 c	0.0616 c	16.18 a	0.078 cde

苗龄 Seedling age/d	穴盘规格 Specification of hole tray	株高 Height/cm	茎粗 Stem diameter/mm	地上部干重 Shoot dry weight/g	地下部干重 Root dry weight/g	叶片开展度 Blade development/cm	壮苗指数 Seedling index
20	A1	11.69 de	0.189 de	0.327 e	0.0605 cd	11.36 bc	0.078 cde
	A2	9.97 ef	0.174 e	0.309 ef	0.0473 cde	9.98 bc	0.061 de
	A3	9.06 f	0.146 e	0.246 g	0.0407 e	9.19 c	0.052 e
30	A1	16.07 c	0.290 ab	0.483 c	0.0792 c	16.97 a	0.102 bc
	A2	13.01 d	0.249 bc	0.428 d	0.0627 d	12.23 b	0.081 cd
	A3	10.41 ef	0.231 cd	0.276 fg	0.0451 de	9.61 c	0.060 de
40	A1	25.48 a	0.341 a	0.677 a	0.1342 a	17.13 a	0.172 a
	A2	18.07 b	0.290 ab	0.551 b	0.0858 b	15.70 a	0.109 b
	A3	16.41 bc	0.269 bc	0.481 c	0.0616 c	16.18 a	0.078 cde

项目 Item	株高 Height			茎粗 Stem diameter			地上部干重 Shoot dry weight			地下部干重 Root dry weight			叶片开展度 Blade development
项目 Item	均方 Mean square	F	P	均方 Mean square	F	P	均方 Mean square	F	P	均方 Mean square	F	P	均方 Mean square	F	P
苗龄	225.1	185.7	0.000	0.040	45.7	0.000	0.175	259.1	0.000	0.005	60.1	0.000	85.6	43.9	0.000
Seedling age
穴盘规格	79.4	65.5	0.000	0.008	8.8	0.002	0.059	87.6	0.000	0.004	52.2	0.000	29.2	15.0	0.000
Specification of hole tray
苗龄×穴盘规格	9.9	8.2	0.001	0.004	0.3	0.850	0.005	7.6	0.001	0.001	7.7	0.001	8.8	4.5	0.010
Seedling age× Specification of hole tray

项目 Item	株高 Height			茎粗 Stem diameter			地上部干重 Shoot dry weight			地下部干重 Root dry weight			叶片开展度 Blade development
项目 Item	均方 Mean square	F	P	均方 Mean square	F	P	均方 Mean square	F	P	均方 Mean square	F	P	均方 Mean square	F	P
苗龄	225.1	185.7	0.000	0.040	45.7	0.000	0.175	259.1	0.000	0.005	60.1	0.000	85.6	43.9	0.000
Seedling age
穴盘规格	79.4	65.5	0.000	0.008	8.8	0.002	0.059	87.6	0.000	0.004	52.2	0.000	29.2	15.0	0.000
Specification of hole tray
苗龄×穴盘规格	9.9	8.2	0.001	0.004	0.3	0.850	0.005	7.6	0.001	0.001	7.7	0.001	8.8	4.5	0.010
Seedling age× Specification of hole tray

苗龄 Seedling age/d	穴盘规格 Specification of hole tray	叶绿素含量 Chlorophyll content /(mg·g^-1)	根系活力 Root activity /(μg·g^-1·h^-1)	净光合速率 Net photosynthetic rate /(μmol·m^-2·s^-1)
20	A1	16.48 e	85.31 e	12.01 de
	A2	16.31 e	94.24 de	9.79 ef
	A3	15.42 e	87.84 de	8.12 f
30	A1	32.43 a	130.41 a	21.79 a
	A2	28.62 bc	120.14 ab	19.30 ab
	A3	21.86 d	112.36 b	16.81 bc
40	A1	29.95 ab	127.41 a	18.51 ab
	A2	26.66 c	108.12 b	16.27 bc
	A3	20.92 d	99.17 cd	14.69 cd

Effects of different specifications of hole tray on tomato growth and mechanized transplanting

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项目 Item	叶绿素含量Chlorophyll content			根系活力Root activity			光合速率Net photosynthetic rate
项目 Item	均方 Mean square	F	P	均方 Mean square	F	P	均方 Mean square	F	P
苗龄Seedling age	348.7	107.4	0.000	2408.4	51.7	0.000	206.0	26.7	0.000
穴盘规格	109.8	33.8	0.000	479.2	10.3	0.001	40.3	11.1	0.001
Specification of hole tray
苗龄×穴盘规格	19.9	6.1	0.003	227.5	4.8	0.008	0.3	0.096	0.982
Seedling age× Specification of hole tray

苗龄 Seedling age/d	穴盘规格 Specification of hole tray	散坨质量≤10%的株数 Seedling number with mass of scattered lump less than 10%	散坨质量10%~20%的株数 Seedling number with mass of scattered lump between 10% and 20%	散坨质量≥20%的株数 Seedling number with mass of scattered lump more than 20%	散坨率 Scattered lump rate/%
20	A1	21.9 c	12.5 b	15.6 b	31.2 c
	A2	18.5 cd	14.3 ab	17.2 ab	34.4 ab
	A3	16.0 d	15.6 a	18.4 a	36.8 a
30	A1	41.5 ab	5.7 c	2.8 e	5.6 e
	A2	39.8 b	5.9 c	4.3 cde	8.6 cd
	A3	40.7 ab	4.1 cd	5.2 c	10.4 c
40	A1	44.8 a	2.2 d	3.0 de	6.0 de
	A2	41.2 ab	4.3 cd	4.5 cd	9.0 cd
	A3	41.0 ab	4.0 cd	5.0 c	10.0 c

苗龄 Seedling age/d	穴盘规格 Specification of hole tray	漏栽数/株 Number of missed hill	漏栽率 Missed hill rate/%	倒伏数/株 Number of laid seedlings	倒伏率 Laid seedling rate/%	露苗数/株 Number of exposed seedlings	露苗率 Exposed seedlings rate/%	伤苗数/株 Number of wounded seedlings	伤苗率 Wounded seedlings rate/%	埋苗数/株 Number of covered seedlings	埋苗率 Covered seedlings rate/%	合格率 Qualified rate/%
20	A1	11	6.11	11	6.11	10	5.56	9	5.00	3	1.67	75.56
	A2	15	8.33	15	8.33	15	8.33	7	3.89	5	2.78	68.33
	A3	19	10.56	13	7.22	17	9.44	8	4.44	9	5.00	63.33
30	A1	3	1.67	2	1.11	3	1.67	1	0.56	2	1.11	93.89
	A2	4	2.22	3	1.67	5	2.78	3	1.67	3	1.67	90.00
	A3	8	4.44	10	5.56	5	2.78	6	3.33	3	1.67	82.22
40	A1	12	6.67	15	8.33	6	3.33	22	12.22	2	1.11	68.33
	A2	4	2.22	3	1.67	7	3.89	3	1.67	5	2.78	87.78
	A3	7	3.89	5	2.78	9	5.00	12	6.67	2	1.11	80.56

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