Effects of Basal Application of Selenium-enriched Fertilizer on Growth and Nutrient Elements’ Content of Chinese Flowering Cabbage

doi:10.11924/j.issn.1000-6850.casb2020-0022

Abstract

Abstract:

The aim is to assess the effect of exogenous Se fertilizer on yield and nutritional status of Chinese flowering cabbage (Brassica campestris ssp. chinensis var. utilis). In this study, “Nongke” selenium enriched fertilizer was used as the material, and five different doses (0, 225.0, 337.5, 450.0, 562.5 kg/hm²) were supplied via basal fertilization. The results showed that the selenium enriched fertilizer addition did not markedly improve the plant growth parameters at all test concentrations. The activities of SOD, POD and CAT and the contents of fructose increased significantly in a dose dependent manner in “Nongke” treated plants compared to that of non-treated, however, the contents of MDA, glucose and sucrose showed a decreasing trend with the increase of fertilizer amount. The up-take of nitrogen, phosphorus and potassium by Chinese flowering cabbage plants were promoted by basal application of lower concentrations of selenium enriched fertilizer, but was inhibited by higher fertilizer amount. With the increase of the amount of selenium fertilizer, the selenium content increased significantly in the flower stalk of Chinese flowering cabbage, reaching 0.059, 0.096, 0.107, 0.133 mg/kg, respectively, 19.66-44.33 times of that of the control plant.

Key words: Chinese flowering cabbage, selenium enriched fertilizer, basal fertilizer, enzyme activity, nutrient element

CLC Number:

S634.5

Guo Juxian, Luo Wenlong, Fu Mei, Li Guihua. Effects of Basal Application of Selenium-enriched Fertilizer on Growth and Nutrient Elements’ Content of Chinese Flowering Cabbage[J]. Chinese Agricultural Science Bulletin, 2020, 36(28): 52-56.

Figures/Tables 4

References 29

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处理	叶宽/cm	叶长/cm	叶柄长/cm	主薹高/cm	主薹粗/cm	主薹鲜重/g	硬度/(kg/cm²)
CK	13.17±1.05a	24.73±2.17a	13.57±2.18a	28.40±2.77a	1.89±0.06a	67.95±5.66a	3.57±0.38a
Se1	12.13±1.23a	20.47±1.93a	9.07±1.45ab	34.63±4.05a	1.90±0.13a	70.75±8.15a	3.50±0.10a
Se2	12.00±2.04a	22.47±1.48a	9.27±1.19b	36.77±1.27a	1.92±0.19a	74.75±6.71a	3.60±0.46a
Se3	13.17±1.64a	21.70±2.02a	8.57±1.33b	30.87±3.29a	2.06±0.14a	78.66±9.78a	3.60±0.10a
Se4	11.57±2.35a	21.47±1.24a	9.93±3.03b	39.17±3.97a	1.96±0.23a	84.49±10.06a	3.87±0.25a

处理	叶宽/cm	叶长/cm	叶柄长/cm	主薹高/cm	主薹粗/cm	主薹鲜重/g	硬度/(kg/cm²)
CK	13.17±1.05a	24.73±2.17a	13.57±2.18a	28.40±2.77a	1.89±0.06a	67.95±5.66a	3.57±0.38a
Se1	12.13±1.23a	20.47±1.93a	9.07±1.45ab	34.63±4.05a	1.90±0.13a	70.75±8.15a	3.50±0.10a
Se2	12.00±2.04a	22.47±1.48a	9.27±1.19b	36.77±1.27a	1.92±0.19a	74.75±6.71a	3.60±0.46a
Se3	13.17±1.64a	21.70±2.02a	8.57±1.33b	30.87±3.29a	2.06±0.14a	78.66±9.78a	3.60±0.10a
Se4	11.57±2.35a	21.47±1.24a	9.93±3.03b	39.17±3.97a	1.96±0.23a	84.49±10.06a	3.87±0.25a

处理	果糖	葡萄糖	蔗糖
CK	26.61±1.71cB	66.38±2.97aA	12.68±0.27a
Se 1	29.12±1.68bcB	51.09±0.56cB	10.91±0.92ab
Se 2	33.04±2.02bcB	60.63±0.83bA	6.98±2.37bc
Se 3	34.23±0.29bAB	62.47±0.52abA	10.23±0.08abc
Se 4	40.09±4.62aA	65.24±0.77abA	7.83±1.69bc

处理	果糖	葡萄糖	蔗糖
CK	26.61±1.71cB	66.38±2.97aA	12.68±0.27a
Se 1	29.12±1.68bcB	51.09±0.56cB	10.91±0.92ab
Se 2	33.04±2.02bcB	60.63±0.83bA	6.98±2.37bc
Se 3	34.23±0.29bAB	62.47±0.52abA	10.23±0.08abc
Se 4	40.09±4.62aA	65.24±0.77abA	7.83±1.69bc

处理	N/%	P/%	K/%	Se/[mg/(kg·FW)]
CK	4.84±0.05b	2.20±0.06a	7.47±0.00d	0.003±0.001e
Se1	4.86±0.04b	1.98±0.00b	9.13±0.17a	0.059±0.001d
Se2	5.06±0.10a	2.23±0.07a	8.90±0.11b	0.096±0.001c
Se3	4.89±0.06b	2.10±0.00b	8.72±0.15bc	0.107±0.001b
Se4	4.97±0.05b	2.09±0.00b	8.63±0.11c	0.133±0.001a