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versão On-line ISSN 2477-8850


CABALLERO-SALINAS, Juan Carlos; OVANDO-SALINAS, Sindy Guadalupe; NUNEZ-RAMOS, Erasmo  e  AGUILAR-CRUZ, Fabián. Sustratos alternativos para la producción de plántulas de tomate de cáscara (Physalis ixocarpa Brot.) en Chiapas. Siembra [online]. 2020, vol.7, n.2, pp.14-21. ISSN 2477-8850.

The present project aimed to evaluate the effect of different alternative substrates during the emergence and growth of Physalis ixocarpa Brot. obtained in root trays, under shadow mesh conditions. The research took place in Cintalapa, Chiapas. The substrates employed were T1 cosmopeat as master sample, T2 earthworm humus, T3 sawdust of Pinus Oocarpa and T4 compost. The treatments were stablished with a completely random design with four repetitions, sowing 50 seeds for each repetition in unicel trays. The variables of this study were analyzed by median comparison (𝑝 ≤ 0.05), with statistics software MENU® version 5.1. The treatments with a higher percentage of emergence were those where cosmopeat, earthworm compost and sawdust were used. According to the morphological parameters, the control was the one that presented the maximum values in most of the evaluated variables. Nevertheless, from the alternative substrates, the earthworm humus was above the general median in 8 of the 9 studied variables and in four cases was statistically equal to cosmopeat, thus making it possible to be considered as an alternative substrate for tomato plants production. Regarding the other two substrata, it is important to consider porosity of the compost and the amount of macro and micronutrients in sawdust to obtain better results in future research.

Palavras-chave : emergency; plants in rootball; morphological parameters; alternative substrates; green tomato.

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