Effects of Thidiazuron 0.2% SL on Yield and Quality of Kumquat Tree

doi:10.11924/j.issn.1000-6850.casb2020-0300

Abstract

Abstract:

This paper aims to study the effects of thiabendazole 0.2% SL on the yield and fruit quality of kumquat. A series of concentrations of thiabendazole 0.2% SL (2, 3, 4, 6 mg/kg) were sprayed at the young fruit and fruit expansion stage of kumquat to assess the relevant indicators such as yield and quality. Compared with the control, the results showed that the yield of fruit increased by 16.5%-23%, the fruit quality increased by 10.2%-12.2%, the soluble content of kumquat pulp increased by 5.9%-6.3%, the content of vitamin C increased by 8.7%-9.3%, the sugar content increased by 7.9%-9.0%, while the titratable acid content decreased by 8.1%-13.5%. Thiabendazole 0.2% SL could significantly improve the yield and quality of kumquat. At 4 mg/kg dosage, the indicators of kumquat could reach a high level, and show no significant difference from the maximum value. So the recommended concentration of thiabendazole 0.2% SL for production is 3-4 mg/kg.

Key words: thiabendazole, plant growth regulator, kumquat, yield, quality, field experiment

CLC Number:

Li Zhaoyang, Shaukat Ali, Tang Liangde, Wu Jianhui. Effects of Thidiazuron 0.2% SL on Yield and Quality of Kumquat Tree[J]. Chinese Agricultural Science Bulletin, 2021, 37(16): 33-36.

Figures/Tables 2

References 26

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年份	处理		单株产量/kg	果实横径/cm	果实纵径/cm	果实质量/g
2018	空白对照		21.60B	2.72B	2.94C	20.47B
	0.01%芸苔素内酯水剂	0.05 mg/kg	24.28A	2.82AB	3.11B	20.66B
	0.2%噻苯隆可溶液剂	2 mg/kg	25.17A	2.85A	3.47A	22.59A
		3 mg/kg	25.75A	2.88A	3.49A	22.62A
		4 mg/kg	25.88A	2.90A	3.50A	22.78A
		6 mg/kg	25.89A	2.95A	3.53A	22.96A
2019	空白对照		21.93B	2.73B	2.92C	20.24B
	0.01%芸苔素内酯水剂	0.05 mg/kg	25.29A	2.78AB	3.05B	20.43B
	0.2%噻苯隆可溶液剂	2 mg/kg	26.23A	2.82A	3.38A	22.31A
		3 mg/kg	26.51A	2.83A	3.39A	22.43A
		4 mg/kg	26.92A	2.84A	3.40A	22.49A
		6 mg/kg	26.97A	2.85A	3.42A	22.52A

年份	处理		单株产量/kg	果实横径/cm	果实纵径/cm	果实质量/g
2018	空白对照		21.60B	2.72B	2.94C	20.47B
	0.01%芸苔素内酯水剂	0.05 mg/kg	24.28A	2.82AB	3.11B	20.66B
	0.2%噻苯隆可溶液剂	2 mg/kg	25.17A	2.85A	3.47A	22.59A
		3 mg/kg	25.75A	2.88A	3.49A	22.62A
		4 mg/kg	25.88A	2.90A	3.50A	22.78A
		6 mg/kg	25.89A	2.95A	3.53A	22.96A
2019	空白对照		21.93B	2.73B	2.92C	20.24B
	0.01%芸苔素内酯水剂	0.05 mg/kg	25.29A	2.78AB	3.05B	20.43B
	0.2%噻苯隆可溶液剂	2 mg/kg	26.23A	2.82A	3.38A	22.31A
		3 mg/kg	26.51A	2.83A	3.39A	22.43A
		4 mg/kg	26.92A	2.84A	3.40A	22.49A
		6 mg/kg	26.97A	2.85A	3.42A	22.52A

年份	处理		果肉可溶性物含量/ %	果肉可滴定酸含量/ %	固酸比	果肉维生素C含量/ (mg/kg)	果肉含糖量/ %
2018	空白对照		13.18B	0.370A	35.62	42.90B	11.11B
	0.01%芸苔素内酯水剂	0.05 mg/kg	13.99A	0.327B	42.78	46.72A	12.08A
	0.2%噻苯隆可溶液剂	2 mg/kg	13.98A	0.340B	41.12	46.65A	11.99A
		3 mg/kg	13.99A	0.337B	41.51	46.67A	12.07A
		4 mg/kg	14.00A	0.330B	42.42	46.74A	12.08A
		6 mg/kg	14.01A	0.323B	43.37	46.89A	12.11A
2019	空白对照		12.79B	0.370A	34.57	42.33B	11.05B
	0.01%芸苔素内酯水剂	0.05 mg/kg	13.57A	0.323B	42.01	46.11A	12.01A
	0.2%噻苯隆可溶液剂	2 mg/kg	13.54A	0.330B	41.03	46.08A	11.95A
		3 mg/kg	13.56A	0.327B	41.47	46.09A	11.99A
		4 mg/kg	13.57A	0.323B	42.01	46.19A	12.00A
		6 mg/kg	13.58A	0.320B	42.44	46.26A	12.03A

年份	处理		果肉可溶性物含量/ %	果肉可滴定酸含量/ %	固酸比	果肉维生素C含量/ (mg/kg)	果肉含糖量/ %
2018	空白对照		13.18B	0.370A	35.62	42.90B	11.11B
	0.01%芸苔素内酯水剂	0.05 mg/kg	13.99A	0.327B	42.78	46.72A	12.08A
	0.2%噻苯隆可溶液剂	2 mg/kg	13.98A	0.340B	41.12	46.65A	11.99A
		3 mg/kg	13.99A	0.337B	41.51	46.67A	12.07A
		4 mg/kg	14.00A	0.330B	42.42	46.74A	12.08A
		6 mg/kg	14.01A	0.323B	43.37	46.89A	12.11A
2019	空白对照		12.79B	0.370A	34.57	42.33B	11.05B
	0.01%芸苔素内酯水剂	0.05 mg/kg	13.57A	0.323B	42.01	46.11A	12.01A
	0.2%噻苯隆可溶液剂	2 mg/kg	13.54A	0.330B	41.03	46.08A	11.95A
		3 mg/kg	13.56A	0.327B	41.47	46.09A	11.99A
		4 mg/kg	13.57A	0.323B	42.01	46.19A	12.00A
		6 mg/kg	13.58A	0.320B	42.44	46.26A	12.03A