Use of Chlorella vulgaris and Ulva lactuca as Biostimulant on Lettuce

被引:3
|
作者
Ammaturo, Chiara [1 ]
Pacheco, Diana [2 ]
Cotas, Joao [2 ]
Formisano, Luigi [1 ]
Ciriello, Michele [1 ]
Pereira, Leonel [2 ]
Bahcevandziev, Kiril [3 ]
机构
[1] Univ Naples Federico II, Dept Agr Sci, I-80055 Portici, Italy
[2] Univ Coimbra, MARE Marine & Environm Sci Ctr, Dept Life Sci, ARNET Aquat Res Network, Calcada Martim Freitas, P-3000456 Coimbra, Portugal
[3] Coimbra Agr Sch, Res Ctr Nat Resources Environm & Soc CERNAS, P-3045601 Coimbra, Portugal
来源
APPLIED SCIENCES-BASEL | 2023年 / 13卷 / 16期
关键词
Lactuca sativa L; bioactive compounds; biostimulant activity; green algal extracts; sustainable agriculture; GROWTH;
D O I
10.3390/app13169046
中图分类号
O6 [化学];
学科分类号
0703 ;
摘要
The important purpose of this work is to evaluate the biostimulant activity of the algae Chlorella vulgaris and Ulva lactuca extracts on the crop plants Lactuca sativa, to compare the effect of these two green algae on plant growth and development as a part of a sustainable plant production method and show that these extracts can be a promissory source for replacing chemical fertilization. The study faces all the phases of plant growth, from the germination of the seeds to the greenhouse plant growth and treatment, matched with the chemical characterization of both the green algae used and the lettuce plants. This work is meant to define a tool to be improved by more experiments and studies in order to suggest a sustainable method that could ensure an adequate use of organic fertilizer. After the identification of the best concentration of the respective extracts of C. vulgaris and U. lactuca, the experiment affirmed that a low concentration (15% C. vulgaris and 25% U. lactuca) of the extracts contributed to the production of plants with a satisfying nutritional profile, while a high concentration (75% U. lactuca) is conducive to lettuce production with some parameters not suitable for human diet and health.
引用
收藏
页数:12
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