Nutrient Solutions and Traditional Production System of Chrysanthemum on Growth and Nutrient Concentration in Leaves

Carrillo-López, Luis M.; Trejo-Téllez, L. I.; Alcantar-González, Gabriel; Arévalo-Galarza, Ma. de Lourdes; Gaytán-Acuña, E. A.; Gómez-Meriño, Fernando Carlos

doi:10.17660/actahortic.2012.947.36

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“…Today, shade cloth, steel structure greenhouses, chemical fertilizers, and pesticides are used. However, it should be noted that empirical knowledge is part of the idiosyncrasy of Texcoco growers [6]. Knowledge passed down from generation to generation still predominates in areas such as the production of cuttings from mother plants and the use of handmade metal mesh for tutoring the flower stems.…”

Section: Introductionmentioning

confidence: 99%

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Biosynthesized Silver Nanoparticles Used in Preservative Solutions forChrysanthemumcv. Puma

Carrillo-López

Morgado-González²,

Morgado-González³

2016

Journal of Nanomaterials

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The use of pulse solutions containing antimicrobials has been reported, but more research is necessary. To increase vase life and to study their effect on opening inflorescences, silver nanoparticles were used in vase solutions for cv. PumaChrysanthemumstems. The nanoparticles were synthesized biologically usingChenopodium ambrosioidesL. applied at concentrations of 0.01, 0.05, 0.1, 0.5, 1, and 5 mM and compared with a control. Treatments were replicated five times. The stems were cut to 50 cm and observed until the end of their vase life. Low concentrations of silver nanoparticles promoted inflorescence opening and leaf yellowing, while the control leaves remained green, but there was a lower degree of inflorescence opening. High concentrations of silver nanoparticles (0.5, 1, and 5 mM) caused senescence due to low water uptake through the stems. Statistical differences in inflorescence opening and diameter, bacterial growth (CFU mL−1) in vase solutions, fresh weight, water uptake, and vase life were found among treatments. Longer vase life and less weight loss were observed in the stems exposed to low concentrations of silver nanoparticles. Low concentrations of silver nanoparticles promoted inflorescence opening and increased vase life ofChrysanthemumcv. Puma.

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Section: Introductionmentioning

confidence: 99%

“…The target market for the production of Chrysanthemum in Texcoco is the wholesale market in the center of Iztapalapa, Mexico City, the most important market in Mexico. However, there is no control of postharvest stem physiology and technology, nor is there control of optimal cutting time to ensure good flower opening [6].…”

Section: Introductionmentioning

confidence: 99%