Valverde, R.A. Moreno, R. Gamez, R. <br/><br/>
Incidence and some ecological aspects of Cowpea severe mosaic virus in two croping systems in Costa Rica 

 - v. 32(1) p. 29-32 
<br/><br/><label>Subjects--Topical Terms: </label><br/>FEIJAO DE CORDA<br/>COWPEA<br/>MOSAICO<br/>VIRUS<br/>DOENCA DE PLANTA<br/>COSTA RICA