Behavior of three cowpea varieties in relation to leafhopper attack in Northeastern Brazil.

The cowpea varieties "Pitiuba", "Sempre Verde" and "VITA-3" have been tested in Petrolina, PE, northeastern Brasil, to observe their behavior in relation to the attack of leafhopper, Empoasca Kraemeri Ross and More. The first two are common, local varieties, whereas the third was recently introduced from Nigeria, where, reportedly, it is tolerant to Empoasca dolichi (Paoli)

Expected selection gain for resin-yielding in progenies test of Pinus caribaea var. bahamensis.

Abstract. IUFRO Working Group 2.02.20