Mateus de A. Soares, H. C. D. O. Charlo, M. Carvalho, P. Paiva, V. P. D. M. Coelho
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引用次数: 0
摘要
虽然番茄可以在温室里全年种植,但热带气候的高温是一个限制。因此,冷却生长环境是在夏季可控环境下种植西红柿的关键,但有效的冷却系统价格昂贵,生产成本也很高。据报道,使用生物刺激剂可以提高产量,减轻高温对温室栽培番茄的影响。我们的假设是,生物刺激剂可以提高番茄产量,特别是在栽培过程中遇到压力的情况下。我们的目的是评估三种生物刺激剂对热带气候下夏季温室种植番茄植株的影响。该实验是在米内罗三角联邦研究所(IFTM)乌贝巴校区的温室中进行的。我们采用完全随机设计,包括一个包含5株植物的地块,间距为1.0 x 0.5 m,估计密度为20,000株ha-1,重复6次。与对照组(未使用生物刺激剂的植物)相比,使用的三种生物刺激剂分别为Alquifishmel®、Booster®和stimulation®。对产量、果实品质、产量和植株生长进行了评价。与对照相比,这三种生物刺激剂每公顷的产量都提高了3吨以上,这主要是由于成熟果实的数量更多。结果表明,生物刺激素减轻了热胁迫,促进了每架果实数量的增加,从而提高了产量。
Biostimulants increase the yield of greenhouse-grown tomato plants in summer under a tropical climate
ABSTRACT While tomatoes can be grown year-round in a greenhouse, the high temperatures of tropical climates are a limitation. As such, cooling the growing environment is key to cultivating tomatoes in controlled environments during summer, but effective cooling systems are expensive and involve high production costs. The use of biostimulants has been reported to increase yield and can mitigate the effects of high temperature on greenhouse-grown tomatoes. Our hypothesis is that biostimulants can improve tomato yield, particularly in the event of stress during cultivation. Our aim was to assess the effects of three biostimulants on greenhouse-grown tomato plants in the summer under a tropical climate. The experiment was conducted in a greenhouse on the Uberaba Campus of the Federal Institute of the Mineiro Triangle (IFTM). We used a completely randomized design consisting of a plot containing five plants, with 1.0 x 0.5 m spacing, an estimated density of 20,000 plants ha-1, and six repetitions. The three biostimulants applied were Alquifishmel®, Booster® and Stimulate®, compared to a control (plants with no biostimulant). Production, fruit quality, yield and plant growth were assessed. All three biostimulants improved yield by more than three metric tons per hectare in relation to the control, primarily due to the larger number of ripe fruits. It is suggested that the biostimulants mitigated heat stress, promoting a larger number of fruits per truss and resulting in higher yield.
期刊介绍:
A Revista Caatinga é uma publicação científica que apresenta periodicidade trimestral, publicada pela Pró-Reitoria de Pesquisa e Pós-Graduação da Universidade Federal Rural do Semi-Árido – UFERSA, desde 1976.
Objetiva proporcionar à comunidade científica, publicações de alto nível nas áreas de Ciências Agrárias e Recursos Naturais, disponibilizando, integral e gratuitamente, resultados relevantes das pesquisas publicadas.