Browsing by Author "Marcalla Yanchaguano, Erika Alexandra"

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Evaluación de sustratos para la producción de plántulas de tomate de árbol (Solanum betaceum B.)
(2023-09) Marcalla Yanchaguano, Erika Alexandra; León Gordón, Olguer Alfredo
The deterioration of the capacity of the land has led to the replacement of direct sowing by the use of seedbeds, with the use of substrates so that in this way they provide us with the production of quality plants. The substrate is one of the main means used for the seed to germinate properly. The objective of this research was to evaluate different substrates for the production of tree tomato seedlings (Solanum betaceum B). The research was carried out in the Research building, acclimatization area of the Faculty of Agricultural Sciences, a completely randomized block experimental design (DBCA) was carried out, with three treatments and 4 repetitions (each). The substrates used were T1 (Compost50 % plus Gravel 50 %), T2 (Peat) and T3 (Coal - Husk 50 % plus Black Earth 50 %). For the data analysis, the Tukey test was carried out at 5%, at the end of the first phenological phase, which is 30 days after it began to germinate and 45 days after sowing. The germination percentage, plant height, root volume, number of true leaves, root length and stem diameter were evaluated; Carrying out the statistical analysis, it was prolonged that in the six variables prevailed in T2 (Peat), we obtained an average percentage of germination (80.8%) plant height of (8.57cm), root volume of (0. 57cc), number of true leaves (4), root length (4.38cm) and stem diameter (0.5cm), similar results were obtained with T3 (Carbon - Cascarilla plus Tierra Negra). While the compost plus gravel substrate (T1) was the one with the lowest germination percentage (2.83%), so it would not be advisable to use it for tree tomato seed germination.