Control and prevention countermeasures for pests and diseases of Newhall-52Navel Orange at different growing stages

Control and prevention countermeasures for main pests and diseases in Newhall-52 Navel Orange at different growing periods, which including floral bud differentiation stage, spring shoots budding to flowering stage, blossom dropping to summer shoots extraction stage, summer shoots growing to autumn shoots extraction stage, and fruit expanding to picking stage, were summarized.