Microalga improve the growth, yield, and contents of sugar, amino acid, and protein of tomato

IF 1.2 4区农林科学 Q2 AGRICULTURE, MULTIDISCIPLINARY

Ciencia E Agrotecnologia Pub Date : 2022-01-01 DOI:10.1590/1413-7054202246023821

Gabriele Lara, Á. Mógor, Juliana de Oliveira Amatussi, E. C. B. Cordeiro, Harielly Marianne Costa Marques, Gilda Mógor

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引用次数: 2

Abstract

ABSTRACT The development of sustainable ways to increase crop productivity is essential to meet the growing demand for food. Microalgae are rich in bioactive molecules and can be produced on a large scale and at a low cost. Therefore, we hypothesized that the microalga Asterarcys quadricellulare (CCAP 294/1), a rich source of free L-amino acids, can increase the growth and yield of tomatoes. To determine the potential of A. quadricellulare, we performed a two-year study by applying A. quadricellulare biomass using a foliar spray on tomato plants. In the first season, weekly applications were performed during the full cycle of tomatoes. The effect of A. quadricellulare biomass of 0.05, 0.15, 0.25, and 0.40 g L-1 on tomato yield was determined through regression analysis. In the second season, the solution of 0.25 g L-1, which showed the best results, was tested on two tomato cultivars using a weekly and a biweekly frequency of application. Both cultivars were positively affected by the application of biomass, which promoted the increase in leaf area and yield, along with higher contents of sugar, free amino acid, and protein. Thus, we determined the role of A. quadricellulare as an effective biofertilizer in tomatoes.

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微藻对番茄的生长、产量和糖、氨基酸、蛋白质含量均有促进作用

为了满足日益增长的粮食需求，开发可持续的方法来提高作物生产力至关重要。微藻含有丰富的生物活性分子，可大规模、低成本生产。因此，我们推测富含游离l -氨基酸的微藻Asterarcys quadricellulare (CCAP 294/1)对番茄的生长和产量有促进作用。为了确定quadricellulare的潜力，我们进行了为期两年的研究，通过叶面喷雾将quadricelluare生物质施用于番茄植株上。在第一个季节，在番茄的整个生长周期内，每周施用一次。通过回归分析确定了0.05、0.15、0.25和0.40 g L-1生物量对番茄产量的影响。在第二季，以0.25 g L-1溶液为对照，采用每周一次和两周一次的施用频率，在2个番茄品种上进行了效果最好的试验。生物量的施用对两个品种的叶面积和产量都有积极的影响，促进了叶片面积和产量的增加，同时提高了糖、游离氨基酸和蛋白质的含量。因此，我们确定了A. quadricellula作为一种有效的番茄生物肥料的作用。

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来源期刊

Ciencia E Agrotecnologia 农林科学-农业综合

CiteScore

2.30

自引率

9.10%

发文量

审稿时长

6-12 weeks

期刊介绍： A Ciência e Agrotecnologia, editada a cada 2 meses pela Editora da Universidade Federal de Lavras (UFLA), publica artigos científicos de interesse agropecuário elaborados por membros da comunidade científica nacional e internacional. A revista é distribuída em âmbito nacional e internacional para bibliotecas de Faculdades, Universidades e Instituições de Pesquisa.