Agronomic behavior of two cuban varieties of tomato on different sowing dates (Original)
Keywords:
Solanum lycopersicum; sowing period; agronomic behavior; cuban tomato varietiesAbstract
Tomato production in tropical countries is limited by different climatic factors, which results in an impact on agricultural yields. That is why the objective of the article is to evaluate the agronomic behavior of the tomato crop on different sowing dates. The experiments were developed at the "Liliana Dimitrova" Horticultural Research Institute, located in the Quivicán municipality, Mayabeque province, Cuba, under open field conditions, during three planting campaigns (2018-2019, 2019-2020 and 2020-2021). Two tomato varieties 'Daniel' and 'Pablo 1' and six treatments or sowing dates were evaluated: T1. August, 5th, T2. September 5th, T3. October, 5th, T4. November, 7th, T5. December, 8th and T6, January 20th. The variables evaluated were: plant height (cm) and basal diameter of the stem (mm) at 30, 45 and 60 days after transplanting, percentage of fruiting and yield (t.ha-1). The results obtained demonstrate that the vegetative organs, in the two varieties evaluated, were less sensitive to high temperatures than the reproductive organs. It was determined that the 'Daniel' variety can be planted from August to December (early period, optimal and medium late) with acceptable yields and 'Pablo 1' from August to November (early and optimal period).
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