Potential of cavalcade, Centrosema pascuorum, leaves for controlling Meloidogyne javanica and quantification of active phytochemicals

What is it about?

Root knot nematodes (RKN) are intractable, soil-borne pests with few management options available to farmers. Among nematode pests, RKN are listed as the most important, while they are also viewed as amongst the most important biotic threats to crop production in the tropics. The sustainable management of RKN is difficult to achieve and for each crop in each situation constant modifications are required over time to adapt to changing circumstances. While there are various management methods available, numerous studies have demonstrated the successful use of plant-based extracts to control RKN. In our current study, cavalcade leaves have showed their potential as a bio-based option for management of damaging root-knot nematodes in plants. It has also been demonstrated that aqueous extracts of the dried leaves achieved high efficiency in controlling root-knot nematodes both in the laboratory and the greenhouse. The controlling mechanism may be associated with some compounds existed in cavalcade leaves, which appear to reduce in potency with age of the leaves. More extensive research is naturally required to further determine the real potential of cavalcade for nematode management on a field basis.

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