Efficacy of fresh fruit from Cucumis myriocarpus as Nemarioc-AL phytonematicide on suppression of root-knot nematodes in tomato plant production

Figures & data

Figure 1. Response of eggs and second-stage juveniles (J2) of Meloidogyne incognita in roots (A) in soil (B) to Nemarioc-AL phytonematicide concentrations.

Table 1. Optimisation models for Meloidogyne incognita variables in root and soil to increasing concentrations of Nemarioc-AL phytonematicide at 56 days after treatment (n = 70).

Nematode variable	Model	R^2	x (%)
Nematode in root	−0.033x^2 + 0.0146x + 2.079	0.96	0.22
Nematode in soil	0.0126x^2−0.2793x + 3.8324	0.93	11,08

x = −b₁/2b_2.

Figure 2. Response flower number (A), fruit number (B), dry root mass (C) and stem diameter (D) in tomato cv. ‘Floradade’ to Nemarioc-AL phytonematicide concentrations.

Table 2. Optimisation models for tomato plant variables to increasing concentrations of Nemarioc-AL phytonematicide at 56 days after treatments (n = 70).

	Model	R^2	x (%)
Flower number	−0.4238x^2 + 1.85x + 14.16	0.97	2.18
Fruit number	−0.1524x^2 + 0.6786x−1.8881	0.98	2.23
Dry root mass	−0.1346x^2 + 0.2818x + 4.115	0.96	1.05
Stem diameter	−0.0045x^2 + 0.015−5.1738	0.97	1.67
		Mean	1.85

x = −b₁/2b₂.