Effects of different concentrations of seaweed fertilizer on the growth of wheat seedlings

doi:10.14088/j.cnki.issn0439-8114.2023.04.002

Abstract

Abstract: In order to improve the stress resistance of wheat （Triticum aestivum L.） seedling growth, a single factor experiment was conducted to study the effects of seven different concentrations （0, 1.00, 1.25, 1.50, 2.00, 2.50, and 3.00 g/L） of seaweed humic acid balanced nutrient solution on plant height, stem diameter, and various physiological indicators of wheat seedlings using pot culture. The results showed that seaweed humic acid balanced nutrient solution could promote the growth of wheat seedlings. With the increase of fertilizer concentration, the plant height, stem diameter, superoxide dismutase （SOD） activity, vitamin C content, proline content, soluble carbohydrate content and chlorophyll content in wheat showed a trend of first increasing at first and then decreasing. On the whole, the optimum concentration of seaweed humic acid balanced nutrient solution for wheat growth in this experiment was 2.00 g/L.

Key words: seaweed fertilizer, wheat（Triticum aestivum L.）, growth, resistance, seedling stage

CLC Number:

S144.9

CUI Sai, LIU Shuang, ZHANG Mei-ling, WANG Shan-shan, GE Zhen-yu, WANG Chun-nan, CHENG Dong-juan, WANG Jian-xiao. Effects of different concentrations of seaweed fertilizer on the growth of wheat seedlings[J]. HUBEI AGRICULTURAL SCIENCES, 2023, 62(4): 7-11.

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