Studies on the economic importance of the blossom thrips, Frankliniella insularis (Thripidae, Thysanoptera) on pigeon pea, Cajanus cajan, in Trinidad

G.V. Pollard, A. Guiseppi-Elie


Data suggest that the flower thrips, F. insularis, could reduce the yield of pigeon pea, Cajanus cajan, cv. UW 17. Yield (pod-set) per plant differed by 47·25 per cent in thrips-free plants as compared with thrips-infested plants. Evidence also suggested the likely importance of cross-pollinators with a possible contribution of 42 per cent towards the final yield per plant.

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