info:oai:icrisat:4689info:ofi/fmt:xml:xsd:journalSaxenaK BSaxena, K BJayasekeraS J B AJayasekera, S J B AAriyaratneH PAriyaratne, H PAriyanayagamR PAriyanayagam, R PFonsekaH H DFonseka, H H D0011-183X660-662Frequency of natural out-crossing in partially cleistogamous pigeonpea lines in diverse environments343Crop Science1994article