THERMOTHERAPY IN THE CONTROL OF Fusarium spp. IN ANGICO SEEDS [Anadenanthera colubrina (Vell.) Brenan] AND MAINTENANCE OF PHYSIOLOGICAL QUALITY

Q4 Environmental Science

Floresta Pub Date : 2023-07-03 DOI:10.5380/rf.v53i3.87312

J. A. G. de Medeiros, Edcarlos Camilo Da Silva, H. F. Da Silva, R. D. S. S. Gomes, L. C. Do Nascimento

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引用次数: 0

Abstract

Thermal treatment is frequently used to overcome dormancy in forest seeds; however, it can also be used to control seed-born pathogens. This study aimed to evaluate the efficiency of thermotherapy in controlling Fusarium sp. in angico seeds [Anadenanthera colubrina (Vell.) Brenan] collected in the state of Paraíba, Brazil, and its effect on physiological quality. Nine seed sources located in the municipalities of São João do Cariri - PB, Boa Vista - PB, and Sumé - PB were selected for this study. For the sanitary test, the treatments were composed of untreated seeds (control), chemical treatment, and thermal treatment at temperatures of 50, 60, and 70 °C immersed for 10, 20, 30, and 40 minutes. The same treatments were used in the germination test, and the percentage of germination, first count, dead seeds, seedling length, and germination speed index were evaluated. The results showed that the thermal treatments effectively reduced Fusarium sp. in the seeds. Thermotherapy did not negatively affect the physiological quality of angico seeds and led to an increase in germination percentage.

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热疗防治白芷种子镰刀菌的研究[j]。和生理品质的维持

热处理通常用于克服森林种子的休眠;然而，它也可以用来控制种子传播的病原体。本研究旨在评价热疗对白芷(Anadenanthera colubrina)种子镰刀菌的防治效果。Brenan]收集于巴西Paraíba州，及其对生理品质的影响。本研究选择了位于s o jo o do Cariri - PB、Boa Vista - PB和sum - PB市的9个种子源。在卫生试验中，处理包括未经处理的种子(对照)、化学处理和热处理，分别在50、60和70°C的温度下浸泡10、20、30和40分钟。采用相同的处理进行萌发试验，对发芽率、首次计数、死种、苗长和萌发速度指数进行评价。结果表明，热处理能有效地减少种子中的镰刀菌。热疗对种子的生理品质没有负面影响，并导致发芽率的增加。

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来源期刊

Floresta Environmental Science-Nature and Landscape Conservation

CiteScore

0.80

自引率

0.00%

发文量

期刊介绍： Revista Floresta admits articles of scientific contribution in Forest Science, in the areas of Nature Conservation, Economy and Forest Policy, Forest Management, Silviculture and Wood Technology. The main task is to promote and divulgate the development of Forest Science in Brazil and in the world. Articles published in Revista Floresta are under total responsibility of the authors, who are aware that they are original studies. It remains implicit that articles were not submitted for publication to any other divulgation media. It remains explicit the agreement of authors to norms of the journal and, along the development of their work, the observance of ethic aspects and respect of the current copyright legislation.