Safety and efficacy of quinoa (Chenopodium quinoa) saponins derived molluscicide to control of Pomacea maculata in rice fields in the Ebro Delta, Spain

Mario Castillo-Ruiz, Hernán Cañon-Jones, Trinidad Schlotterbeck, Miquel A. Lopez, Álvaro Tomas, Ricardo San Martín

Resultado de la investigación: Article

4 Citas (Scopus)

Resumen

Pomacea spp. are freshwater gastropods that significantly reduce rice productivity around the world, particularly in Asian countries. Pomacea maculata was first reported in Europe in 2009 in the rice fields of the Ebro Delta, Tarragona (Catalonia), Spain. At present, tea seed (Camellia oleifera) saponins are the only authorized treatment by the Spanish agriculture authorities, but due to its comparatively high toxicity to non-target species such as fish, more environmental-friendly products are urgently needed. This study evaluated the performance of a novel molluscicide based on modified saponins derived from quinoa (Chenopodium quinoa) husks against Pomacea maculata under laboratory and field conditions in the Ebro Delta. Under laboratory conditions, the molluscicide killed 100% of the P. maculata above 7 ppm of saponins after 72 h. Field trials performed in three rice fields showed that after 96 h the molluscicide killed 88, 89 and 93% of P. maculata at doses of 6.5, 7.2 and 7.7 ppm saponin, respectively. Toxicological assays showed that the product is highly safe for aquatic environments, with an effect concentration of (EC50) >36 mg saponins/L for crustaceans (Daphnia) and algae (Selenastrum capricornutum) and a lethal concentration (LC50) against common carp >36 mg saponins/L. Studies on rats, rabbits and guinea pigs showed that the molluscicide is generally non-hazardous for acute oral toxicity, slightly hazardous for acute dermal toxicity, a moderate irritant for acute eye irritation/corrosion, a non-irritant for acute dermal irritation/corrosion and a non-skin sensitizer. These results suggest that this novel molluscicide may be a viable product to safely control P. maculata in rice fields.

Idioma originalEnglish
Páginas (desde-hasta)42-49
Número de páginas8
PublicaciónCrop Protection
Volumen111
DOI
EstadoPublished - 1 sep 2018
Publicado de forma externa

Huella dactilar

Pomacea
molluscicides
Chenopodium quinoa
saponins
paddies
Spain
corrosion
algae
Camellia oleifera
eye irritation
Selenastrum capricornutum
toxicity
drug toxicity
skin irritation
nontarget organisms
Daphnia
aquatic environment
Cyprinus carpio
lethal concentration 50
hulls

ASJC Scopus subject areas

  • Agronomy and Crop Science

Citar esto

Castillo-Ruiz, Mario ; Cañon-Jones, Hernán ; Schlotterbeck, Trinidad ; Lopez, Miquel A. ; Tomas, Álvaro ; San Martín, Ricardo. / Safety and efficacy of quinoa (Chenopodium quinoa) saponins derived molluscicide to control of Pomacea maculata in rice fields in the Ebro Delta, Spain. En: Crop Protection. 2018 ; Vol. 111. pp. 42-49.
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abstract = "Pomacea spp. are freshwater gastropods that significantly reduce rice productivity around the world, particularly in Asian countries. Pomacea maculata was first reported in Europe in 2009 in the rice fields of the Ebro Delta, Tarragona (Catalonia), Spain. At present, tea seed (Camellia oleifera) saponins are the only authorized treatment by the Spanish agriculture authorities, but due to its comparatively high toxicity to non-target species such as fish, more environmental-friendly products are urgently needed. This study evaluated the performance of a novel molluscicide based on modified saponins derived from quinoa (Chenopodium quinoa) husks against Pomacea maculata under laboratory and field conditions in the Ebro Delta. Under laboratory conditions, the molluscicide killed 100{\%} of the P. maculata above 7 ppm of saponins after 72 h. Field trials performed in three rice fields showed that after 96 h the molluscicide killed 88, 89 and 93{\%} of P. maculata at doses of 6.5, 7.2 and 7.7 ppm saponin, respectively. Toxicological assays showed that the product is highly safe for aquatic environments, with an effect concentration of (EC50) >36 mg saponins/L for crustaceans (Daphnia) and algae (Selenastrum capricornutum) and a lethal concentration (LC50) against common carp >36 mg saponins/L. Studies on rats, rabbits and guinea pigs showed that the molluscicide is generally non-hazardous for acute oral toxicity, slightly hazardous for acute dermal toxicity, a moderate irritant for acute eye irritation/corrosion, a non-irritant for acute dermal irritation/corrosion and a non-skin sensitizer. These results suggest that this novel molluscicide may be a viable product to safely control P. maculata in rice fields.",
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Safety and efficacy of quinoa (Chenopodium quinoa) saponins derived molluscicide to control of Pomacea maculata in rice fields in the Ebro Delta, Spain. / Castillo-Ruiz, Mario; Cañon-Jones, Hernán; Schlotterbeck, Trinidad; Lopez, Miquel A.; Tomas, Álvaro; San Martín, Ricardo.

En: Crop Protection, Vol. 111, 01.09.2018, p. 42-49.

Resultado de la investigación: Article

TY - JOUR

T1 - Safety and efficacy of quinoa (Chenopodium quinoa) saponins derived molluscicide to control of Pomacea maculata in rice fields in the Ebro Delta, Spain

AU - Castillo-Ruiz, Mario

AU - Cañon-Jones, Hernán

AU - Schlotterbeck, Trinidad

AU - Lopez, Miquel A.

AU - Tomas, Álvaro

AU - San Martín, Ricardo

PY - 2018/9/1

Y1 - 2018/9/1

N2 - Pomacea spp. are freshwater gastropods that significantly reduce rice productivity around the world, particularly in Asian countries. Pomacea maculata was first reported in Europe in 2009 in the rice fields of the Ebro Delta, Tarragona (Catalonia), Spain. At present, tea seed (Camellia oleifera) saponins are the only authorized treatment by the Spanish agriculture authorities, but due to its comparatively high toxicity to non-target species such as fish, more environmental-friendly products are urgently needed. This study evaluated the performance of a novel molluscicide based on modified saponins derived from quinoa (Chenopodium quinoa) husks against Pomacea maculata under laboratory and field conditions in the Ebro Delta. Under laboratory conditions, the molluscicide killed 100% of the P. maculata above 7 ppm of saponins after 72 h. Field trials performed in three rice fields showed that after 96 h the molluscicide killed 88, 89 and 93% of P. maculata at doses of 6.5, 7.2 and 7.7 ppm saponin, respectively. Toxicological assays showed that the product is highly safe for aquatic environments, with an effect concentration of (EC50) >36 mg saponins/L for crustaceans (Daphnia) and algae (Selenastrum capricornutum) and a lethal concentration (LC50) against common carp >36 mg saponins/L. Studies on rats, rabbits and guinea pigs showed that the molluscicide is generally non-hazardous for acute oral toxicity, slightly hazardous for acute dermal toxicity, a moderate irritant for acute eye irritation/corrosion, a non-irritant for acute dermal irritation/corrosion and a non-skin sensitizer. These results suggest that this novel molluscicide may be a viable product to safely control P. maculata in rice fields.

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KW - Chenopodium quinoa

KW - Pomacea maculata

KW - Rice fields

KW - Saponins

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