Botanical crops plants like pyrethrum, neem, tithonia, crotoralia, Mexican marigold are important source of organic insecticides. Their promotion would have enormous impact on a farmers ability to manage soil resource and pests as they are promising alternative to synthetics towards organic crop. The utilization of botanical plant especially by the poorest farmers, is constrained by inadequate product evaluation and development which, if improved, will increase the reliable options available to farmers. Exploitation and optimal use of botanical plants can be enhanced through development and...