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Impact of non-fumigant nematicides on reproduction and pathogenicity of Meloidogyne enterolobii and disease severity in tobacco

Md Shah Alam
Md Shah Alam
, 
Churamani Khanal
Churamani Khanal
, 
Joseph Roberts
Joseph Roberts
 oraz 
William Rutter
William Rutter
   | 05 cze 2023
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Article Category: Research Paper
Data publikacji: 05 cze 2023
Zakres stron: -
Otrzymano: 09 mar 2023
DOI: https://doi.org/10.2478/jofnem-2023-0025
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© 2023 Md Shah Alam et al., published by Sciendo
This work is licensed under the Creative Commons Attribution 4.0 International License.

Figure 1:

Reproduction of M. enterolobii expressed as number of eggs per root system of tobacco (A) and as number of J2 per 100 cm3 of soil (B). Data were combined over two experiments and are means of 10 replications. Data were log transformed and the treatment means followed by a common letter are not significantly different according to Tukey's HSD test (P ≤ 0.05). The treatment means in the figure represent untransformed values. Burkholderia refers to Burkholderia rinojensis strain A396 secondary metabolites.
Reproduction of M. enterolobii expressed as number of eggs per root system of tobacco (A) and as number of J2 per 100 cm3 of soil (B). Data were combined over two experiments and are means of 10 replications. Data were log transformed and the treatment means followed by a common letter are not significantly different according to Tukey's HSD test (P ≤ 0.05). The treatment means in the figure represent untransformed values. Burkholderia refers to Burkholderia rinojensis strain A396 secondary metabolites.

Figure 2:

Dry weights of tobacco shoot (A) and root (B) inoculated with M. enterolobii. The plant materials were dried at 45°C for 2 wk. Data were combined over two experiments and are means of 10 replications. Treatment means followed by a common letter are not significantly different according to Tukey's HSD test (P ≤ 0.05). Burkholderia refers to Burkholderia rinojensis strain A396 secondary metabolites.
Dry weights of tobacco shoot (A) and root (B) inoculated with M. enterolobii. The plant materials were dried at 45°C for 2 wk. Data were combined over two experiments and are means of 10 replications. Treatment means followed by a common letter are not significantly different according to Tukey's HSD test (P ≤ 0.05). Burkholderia refers to Burkholderia rinojensis strain A396 secondary metabolites.

Figure 3:

Root gall index as influenced by the application of nematicides. Gall rating was conducted on a scale of 0 -10 (0 = no galls, and 10 = completely galled roots) as described by Bridge and Page (1980). Data were combined over two experiments and are means of 10 replications. Treatment means followed by a common letter are not significantly different according to Tukey's HSD test (P ≤ 0.05). Burkholderia refers to Burkholderia rinojensis strain A396 secondary metabolites.
Root gall index as influenced by the application of nematicides. Gall rating was conducted on a scale of 0 -10 (0 = no galls, and 10 = completely galled roots) as described by Bridge and Page (1980). Data were combined over two experiments and are means of 10 replications. Treatment means followed by a common letter are not significantly different according to Tukey's HSD test (P ≤ 0.05). Burkholderia refers to Burkholderia rinojensis strain A396 secondary metabolites.

Non-fumigant and biological nematicides with their product application rates employed in the current study.

Treatment Application rate (L/ha) Nematicide/pot (μl)
Oxamyl 4.68 16.55
Fluopyram 1.00 0.06
Fluensulfone 8.18 0.48
aBurkholderia 18.71 37.85
Untreated control - -
eISSN:
2640-396X
Język:
Angielski
Częstotliwość wydawania:
Volume Open
Dziedziny czasopisma:
Life Sciences, other
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