Research Article

Grass-Shaped Zinc Oxide Nanoparticles Synthesized by the Sol-Gel Process and Their Antagonistic Properties towards the Biotrophic Parasite, Meloidogyne incognita

Figure 10

The biplots of principal component analysis comparing the effect of various concentrations (250, 500, 750, and 1000 ppm) of G-ZnO NPs on various studied parameters of chickpea infected with M. incognita. PL: plant length; PFW: plant fresh weight; NOP: number of pods; NON: number of nodules; CHL: chlorophyll content; CRT: carotenoid content; GL = gall per plant; NP: nematode population in the 200 g soil sample.