Agnus Dei (liturgy) Agnus Dei (liturgy) In the Mass of the Roman Rite and also in the Eucharist of the Anglican Communion, the Lutheran Church, and the Western Rite of the Orthodox Church the Agnus Dei is the invocation to the Lamb of God sung or recited during the fraction of the Host. The Syrian custom of a chant addressed to the Lamb of God was introduced into the Roman Rite Mass by Pope Sergius I (687–701) in the context of his rejection of the Council of Trullo (692), which was well received in the Byzantine East and called the Quinisext Council, but
Vitex agnus-castus cause great damage to the growth and the generative development of "Vitex agnus-castus". The insect feeds on chaste tree by sucking up the contents or puncturing them. As well chaste tree is the only known host (especially in Israel) for "Hyalesthus obsoletus". This cicada is the vector for black wood disease of grapevines. "Hyalesthus obsoletus" prefers "V. agnus-castus" as a host to the grapevine. In this case chaste tree can be used as a biological control agent by planting it around vineyards to trap the "Hyalesthus obsoletus". "V. agnus-castus" was found not only to be an appropriate food source for