Aqueous extracts of the tree Quillaja saponaria Molina, containing triterpenoid saponins, polyphenols, salts and sugars, were tested against the most important plant-parasitic nematodes present in Chile: Xiphinema index, ...

Rio Grande do Sul is the largest pecan producer in the country. This crop is gaining space on small and medium farms because of its profitability, longevity, and possibility of income diversification. Because it is a ...