Readymade antibodies for plant viruses bacteria and fungi, custom production under jv mode, recombinant antibody clones which can be produced in e.coli rather than in animal cells, continuous batch production in biorectors, one step detection since the antibody gene is conjugated to coding sequence of alkaline phosphatase, a cock tail of 3- 5 antibodies for use in DAS-ELISA, western, dip-stick, lateral flow, histological studies etc