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Fruit characterization and plant quality of Spanish cedar (Cedrela odorata L.) during the early nursery stage
Agroproductividad ; 16(1):89-96, 2023.
Article in English | CAB Abstracts | ID: covidwho-2296412
ABSTRACT

Objective:

The aim of this study was to characterize Spanish cedar (Cedrela odorata L.) fruits and seeds, and to evaluate the effects of provenance, substrata, and fertilizer on germination and plant quality in nursery. Design/Methodology/

Approach:

The fruits and seeds from Spanish cedars were collected in three different towns C-32 (Francisco Trujillo Gurria), C-40 (Ernesto Aguirre Colorado), and C-41 (Carlos A. Madrazo). Those towns are in Plan Chontalpa, Tabasco, Mexico. After they were harvested, the samples were morphometrically characterized. Seed production efficiency (SPE), germination (%), and Dickson Quality Index (DQI) were estimated. Two completely randomized experimental designs with factorial arrangement of treatments were used. The factors were the provenance, four or three substrata, and two levels of GreenfoolR 600 fertilizer.

Results:

Fruits of 3.46 cm in length and 1.81 cm in width were collected;the mean number of seeds per fruit was 49.36. Seed production efficiency ranged from 48.1% to 52.72%, with 32.86% germination. The seeds from Town C-41 obtained the highest germination percentage, with the use of black soilsand as substrate. The plants fertilized and developed in black soilsand substrate obtained a higher DQI. Study Limitations/Implications The activity restriction caused by the Sars-Cov-2 pandemic was the main limitation. The lower number of producers and plantations from Town C-32 was the implication. Findings/

Conclusions:

Fruit and seed characteristics were different among provenances. The provenance impacted on seed germination, but not on the plant quality index (DQI). Instead, the substrate and fertilizer impacted on the DQI.
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Full text: Available Collection: Databases of international organizations Database: CAB Abstracts Language: English Journal: Agroproductividad Year: 2023 Document Type: Article

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Full text: Available Collection: Databases of international organizations Database: CAB Abstracts Language: English Journal: Agroproductividad Year: 2023 Document Type: Article