Biological Control Associated With Plant Nutrition for Meloidogyne javanica and Pratylenchus brachyurus Management in Soybean

Lopes, Ana Paula Mendes; Toninato, Bruna Orlandini; Soares, Mayra Renata Cruz; Dias‐Arieira, Cláudia Regina

doi:10.5539/jas.v12n1p149

Cited by 2 publications

(2 citation statements)

References 17 publications

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“…In general, the recommendation of biological control for phytoparasitic nematodes deserves caution since the microorganisms used as antagonists can suffer different environmental influences, such as soil temperature, pH, humidity, and the presence of chemical residues, which can derail the potential effects of biological control (Lopes et al, 2020;Oliveira et al, 2021).…”

Section: Resultsmentioning

confidence: 99%

Biofertilizers in the control of Pratylenchus brachyurus in soybean crop

Conceição¹,

Rios²,

Júnior³

et al. 2022

RSD

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Nematodes are of great importance in soybean cultivation, especially the Pratylenchus brachyurus known as root lesion nematode. Its attack on plant roots causes less efficiency in the absorption of water and nutrients, in addition to damaging the plant's development. There is still no fully efficient method to control this phytopathogen, however, some products are available on the market, including biological control. Thus, the aim of this study was to evaluate commercial biological products in the efficiency of reducing the nematode population in soybean crop in Goiás, Brazil. The design was completely randomized in a 2x4 factorial scheme, the first factor being two soybean genotypes (Brasmax Bônus and Nidera NS 8383) and the second factor the treatments consisting of different dosages in an association of three commercial products: No-Estio®, Bio-fertility® and Radic®. The treatments used were: T1 control - without application of the products; T2 half the recommended dose; T3 the recommended dose and T4 a dose and a half that recommended by the manufacturer. Plant evaluation was carried out after 75 days of nematode inoculation. The results obtained showed that both cultivars hosted P. brachyurus, however, the treatments using the products had a lower population density of this nematode. It was concluded that the two soybean cultivars are hosts of Pratylenchus brachyurus. The agronomic character plant height was more affected when there was no application by the biological method. The association of No-Estio®, Bio-fertility® and Radic® products reduced the population density of nematodes in infected plants.

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Section: Resultsmentioning

confidence: 99%

Biofertilizers in the control of Pratylenchus brachyurus in soybean crop

Conceição¹,

Rios²,

Júnior³

et al. 2022

RSD

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“…Studies by Venkat Rao et al (1986) and Bawa et al (2014), Bello et al (2007), Elbardi et al (2008); Asif et al (2014), Sahu et al (2018), Akhtar et al (2019), El-Nuby and Alam (2020) and Mendes-Lopes et al (2020) found a significant effect of plants from the Fabaceae family (Fabace Lindl.) towards reducing the process of leaving eggs by second-stage juveniles of M. incognita and M. javanica.…”

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confidence: 95%

Effect of legume (Fabaceae Lindl.) seeds on selected life activities in J2 stage of Meloidogyne hapla

Dobosz,

Krawczyk

2024

Plant Prot. Sci.

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Meloidogyne hapla is a serious pest of many cultivated plants. In response to the economic significance of the species, efforts are being made to develop a new method to reduce its harmful effects on crops. The aim of the study was to determine the effect of diffusates from seeds of selected species of legumes on the motility of second-stage juveniles and to evaluate the effect of meal from seeds of selected species of legume on the capacity to infect the roots of tomato plants by the J2 stage. The experiment examined the effect of diffusates on the motility of the J2 stage performed in Petri dishes, at temperatures of 10 °C, 17 °C and 21 °C. The evaluation of the J2 stage infectivity was estimated in a pot experiment performed under controlled conditions of 20 ± 1 °C. The pots were filled with sterile substrate mixed with meal from the seeds of selected plants at 1%, 5% and 10% of the substrate weight. The studies carried out in the Petri dishes showed varying effects of the seed diffusates from selected legume plants on the motility of the J2 stage of Meloidogyne hapla. J2 were found to lose their motility within 24 h after immersion in water containing seed diffusates from Melilotus albus, Trifolium pratense T. repens, in the temperature ranges investigated (10 °C, 17 °C and 21 °C). However, in a mixture of seed diffusates and soil filtrate from the root zone of tomato plants, the absence of motility in the second-stage juveniles was observed after 24 h at 17 °C and 21 °C, with seed diffusates from Lotus corniculatus, Medicago sativa, Medicago × varia, Melilotus officinalis, as well as Onobrychis viciifolia, Ornithopus sativus, Vicia sativa, used in the mixture. Galega officinalis Risa (GoR) seed diffusates were found to have an inhibiting effect on the motility of the J2 stage of M. hapla 24 h following the immersion of the J2 stage in the solution of the soil filtrate containing tomato root diffusates, at 21 °C. The J2 stage were not rendered immotile in all the experiment set-ups involving the seeds of V. faba, Lupinus spp., likewise in the control set-ups. In the pots studied, a significant effect of the addition of legume seed meal on the development of M. hapla nematodes and tomato plants was found. The introduction of Lotus corniculatus, Onobrychis viciifolia and Vicia sativa seed meal into the substrate in the proportion of 1%, 5% and 10% resulted in the inhibition of the J2 stage penetration into the roots of tomato plants at temperatures of 17 °C and 21 °C. With the admixture of the M. sativa and T. repens seed meal, within the temperature range investigated, no nematode infection was observed in the roots, regardless of the seed meal content in the substrate. As regards to the fresh weight, tomato plants grown in a substrate containing 1% and 5% of the V. sativa cv. Jaga seed meal were characterised by significantly higher plant weight values as compared to those grown in the control set-up. The obtained results imply that is advisable to expand the scope of research to include other economically im...

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Biological Control Associated With Plant Nutrition for Meloidogyne javanica and Pratylenchus brachyurus Management in Soybean

Cited by 2 publications

References 17 publications

Biofertilizers in the control of Pratylenchus brachyurus in soybean crop

Biofertilizers in the control of Pratylenchus brachyurus in soybean crop

Effect of legume (Fabaceae Lindl.) seeds on selected life activities in J2 stage of Meloidogyne hapla

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