Soybean crinkle leaf: a new whitefly-borne disease of soybean

Reference Report for SoyBase730011047

Title:	Soybean crinkle leaf: a new whitefly-borne disease of soybean
Authors:	Iwaki, M., Thongmeearkom, P., Honda, Y., Deema, N.
Source:	Plant Dis. 1983, 67(5):546-548
Abstract:	Soybean crinkle leaf disease occurred on soybean in many growing areas of Thailand. The disease agent was transmissible by B. tabaci in a persistent manner and by grafting but not by aphids, inoculations of sap, or through seeds of soybean. Single whiteflies did not transmit the disease agent and about 40 insects were necessary to achieve high transmission rates. Minimum acquisition and inoculation access times ranged 30-60 min and about 10-30 min, respectively. The latent period in the whitefly vector ranged 8-10 hr, and the retention period in the vector lasted 9 days. The disease affected 11 plant species [Cassia tora, Datura stramonium, Glycine max, Lycopersicon esculentum, Nicotiana clevelandii, N. debneyi, N. glutinosa, N. tabacum, Petunia hybrida, Phaseolus vulgaris and Zinnia elegans] in 3 families (Compositae, Leguminosae and Solanaceae).

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