Indian Institute of Horticultural Research, Bangalore-560006.
*Contribution No. 141 of the Indian Institute of Horticultural Research (ICAR), Citrus Experiment Station, Gonicoppal, Coorg District, Karnataka State.
In addtion to the banana aphid, other aphids like Pentalonia nigronervosa f. caladi, Aphis nerii, Macrosiphum sonchi, Greenidia artocarpi and Aphis gossypii were found naturally infesting cardamom. Laboratory experiments were conducted to find out the efficiency of the above aphids with other aphids in the transmission of Katte disease. The aphids Pentalonia nigronervosa, f. caladi, P. nigronervosa. Macrosiphum pisi, Greenidia artocarpi, Schizaphis graminum, Aphis gossypii (Commelina strain), Schizaphis cyperi, Aphis nerii, Aphis craccivora, Aphis gossypii (Bhindi strain), (Macrosiphum rosaeformis, M. sonchi, Brachycaudus helichrysi and Aphis rumicis transmitted Katte to varying extents.
