Reflective Materials and Seeds From Different Plant Positions for Production of Achachairu Seedlings

Silva, Bruna Luzia Barbosa da; Souza, Vitória Cristina Di Matheus e; Costa, Edílson; Silva, Abimael Gomes da; Binotti, Flávio Ferreira da Silva; Cavalcante, Daniele Ferreira; Benett, Cleiton Gredson Sabin; Zóz, Tiago

doi:10.32404/rean.v8i1.5709

Cited by 2 publications

(1 citation statement)

References 8 publications

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“…Other species have shown different DM distributions than those observed in the present study, for example, for papaya seedlings (Carica papaya), an average of 67% for the shoot and 33% for the root system were observed (Cabral et al, 2020) and for achachairu (Garcinia humilis) seedlings, 68% were found for shoot and 32% for root system (Silva et al, 2021); both surveys in 1.8 L polyethylene bags, different from the present study tubes that can restrict root growth and influence this distribution.…”

Section: Resultscontrasting

confidence: 90%

Comparison of iron application ways in coffee seedlings

Garcia,

Costa,

Zoz

et al. 2023

Chil. j. agric. res.

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Iron (Fe) is shown to be of great importance in some specific functions, and without it, the plant can experience a nutritional imbalance, thus affecting its development. The present study aimed to evaluate the effects of the application of Fe doses in coffee (Coffea arabica L.) 'Obatã IAC 1669-20' seedlings via foliar, previous fertilization of the substrate, and aqueous solution on the substrate and identify the best management. The experiment was carried out in a completely randomized design, with seven treatments and five replicates. The treatments were five Fe concentrations via foliar (0.30, 0.45, 0.60, 0.75, and 0.90 g of Fe L -1 ), previous fertilization on the substrate (0.372 g Fe m -3 ), and aqueous solution on the substrate (0.30 g Fe L -1 ), totaling seven treatments. Fertilization with Fe via foliar at 0.45 g Fe L -1 in the production of coffee seedlings showed significant influence on seedling height, stem diameter, and leaf area, in addition to having one of the highest values of Dickson quality index. Thus, coffee seedlings with the application of 0.45 g Fe L -1 via foliar had the best results, with 11.2 cm height, 4.1 mm diameter, 17.3 cm 2 leaf area, and 0.32 Dickson quality index. It promoted seedlings with more significant gains in the foliar area (24.2%) and stem diameter (27.4%), allowing a shorter time in nursery. The treatment aqueous solution 0.30 g Fe L -1 on the substrate is a second option for the Fe application in coffee 'Obatã IAC 1669-20' seedlings. The treatment with the previous fertilization of the substrate with 0.372 g Fe m -3 is the less recommended.

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Section: Resultscontrasting

confidence: 90%

Comparison of iron application ways in coffee seedlings

Garcia,

Costa,

Zoz

et al. 2023

Chil. j. agric. res.

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Influence of Different Protected Environments and Reflector Material on Cultivated Oiti (Licania tomentosa[Benth.] Fritsch) Seedlings

Alves

Silva

Costa

et al. 2023

isa

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Background Oiti (Licania tomentosa[Benth.] Fritsch) is an option for urban forestation and rural environments that require shading by plants, so studying the plant environment to obtain quality seedlings is essential. The present study aimed to evaluate oiti seedlings in different protected environments with or without reflective material on a cultivation bench. Methods The following protected environments were evaluated: an agricultural greenhouse covered with a low-density polyethylene film and a thermo-reflective screen with 42%/50% shading under the film; an agricultural screenhouse with an aluminized screen with 35% shading; an agricultural screenhouse with a black screen with 30% shading; and an agricultural screenhouse with a black screen with 18% shading. Production systems with and without photosynthetically active radiation-reflecting material (aluminized screen, Aluminet®) on the cultivation bench were assessed in each protected environment. Results There was no interaction between the environmental factors; however, the environments influenced height, stem diameter, root dry matter, and total biometric relationships and growth rates. The reflective material did not improve the quality of oiti seedlings. The ratio of shoot and root dry matter was, on average, 71% for the shoots and 29% for the roots. The photosynthetically active radiation received by oiti seedlings ranged from 600 to 1,100 μmol m−2s−1. Conclusions The greenhouse with 42%/50% shading screen under the film and the black screen with 30% shading were the best environments for the formation ofLicania tomentosaseedlings. The reflective material on the cultivation bench did not result in better quality oiti seedlings.

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Reflective Materials and Seeds From Different Plant Positions for Production of Achachairu Seedlings

Cited by 2 publications

References 8 publications

Comparison of iron application ways in coffee seedlings

Comparison of iron application ways in coffee seedlings

Influence of Different Protected Environments and Reflector Material on Cultivated Oiti (Licania tomentosa[Benth.] Fritsch) Seedlings

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