Rice Root Aphid (Rhapolosiphum rufiabdominalis) (RRA) is an olive-green insect with a round body. The wingless stages develop on roots and survive in all types of substrate. Periodically, winged aphids emerge from the soil and disperse to other plants……
Great article from Oregon State University
E. E. Lewis Department of Entomology, Virginia Polytechnic Institute and State University, Blacksburg, VA 24061-0319
Often times I get the question, “How do I prevent my plants from getting sick?”. The
answer is simple, and that is through plant immunity. In short, there are two primary
factors that contribute to plant immunity:
1. Adequate Mineral Nutrition
2. Having that nutrition delivered in the form of microbial metabolites...