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Journal of Plant Physiology and Breeding، جلد ۱۵، شماره ۱، صفحات ۵۳-۷۷
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عنوان انگلیسی The effect of aqueous extracts of Nostoc commune and Ulva lactuca algae on quinoa seedlings
چکیده انگلیسی مقاله Objective: Biofertilizers and biostimulants improve germination, absorption of nutrients, resistance to stress, growth, performance, and health of plants. Considering the importance of the germination stage, the effect of Nostoc commune and Ulva lactuca extracts on quinoa was investigated.
Methods: In this research, quinoa seeds were treated with different concentrations of green algae Ulva lactuca (U) and cyanobacterium Nostoc commune (N) extracts, separately and in combination. Then, the growth traits, photosynthetic pigments, and anthocyanins of seedlings were evaluated.
Results: The results showed that the length of the hypocotyl and the contents of chlorophyll a, chlorophyll b, carotenoids, and anthocyanins in the treatments containing U. lactuca extract, N. commune extract, and combined extract increased significantly, compared to the control. The weight of seedlings increased significantly in the treatments with U. lactuca extract and the combined extract, while the length of the radicle increased only in the treatment with the combined extract, compared to the control. The highest hypocotyl length was observed in the treatment with 40% concentration of U. lactuca extract, which was 46.70% higher than the control. The highest levels of chlorophyll a and chlorophyll b were in the treatment with 80% concentration of U. lactuca extract, so that the levels of chlorophyll a and chlorophyll b increased by 87.22% and 52.43%, respectively, compared to the control. The highest radicle length was obtained in the treatment with 50% concentration of the combined extract (4U:1N), with a 20.43% increase over the control. The highest seedling weight was observed in the treatment with 100% concentration of the combined extract (4U:1N), with a 20.90% increase compared to the control. The highest amount of carotenoids occurred in the treatment with 50% concentration of the combined extract (3U:2N), with a 57.74% increase over the control. The highest level of anthocyanins was detected in the treatment with 25% concentration of the combined extract (3U:2N), with a 32.81% increase over the control.
Conclusion: These findings indicated that the extracts, especially the U. lactuca extract and the combined extract of U. lactuca with N. commune, can act as biological stimulants for quinoa.
کلیدواژه‌های انگلیسی مقاله Biostimulant,Cyanobacteria,Green algae,Growth Traits,Quinoa
نویسندگان مقاله Aref Sheikh Amiri |
Department of Plant Sciences, Faculty of Science, University of Mazandaran, Babolsar, Iran.

Ehsan Nazifi |
Department of Plant Sciences, Faculty of Science, University of Mazandaran, Babolsar, Iran.

Zahra Valizadeh |
Department of Plant Sciences, Faculty of Science, University of Mazandaran, Babolsar, Iran.

نشانی اینترنتی https://breeding.tabrizu.ac.ir/article_20194_d1a1b6d9c193de1a51ea9610c0a88040.pdf
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