Volume - 13 | Issue-1
Volume - 13 | Issue-1
Volume - 13 | Issue-1
Volume - 13 | Issue-1
Volume - 13 | Issue-1
Field experiment was conducted on honey bee at the Bee research station in s plant protection station Res. In El- Sabahia, Alexandria Governorate, Egypt, during the flowering seasons of 2019 and 2020 for evaluating and study the effect of excluded and raising queens a week after the beginning of flowering during the flood season