In Southern California the Valencia orange (Citruis sinensis, L.) attains maximum orange rind color during winter and regreens s-omewhat by harvest time the following summer. The degree of regreening has been correlated with temperature patterns and with nitrogen nutrition (2, 5). It has also been reported (3) that applications of potassium gibberellate (KGA) to Valencia trees were associated w...

The direct examination of plant canopy temperature can assist in optimizing citrus irrigation management greenhouses. This study aimed to develop a method measure using thermal imaging one-year-old plants greenhouse identify with water stress and verify its potential be used as tool assess status. experiment was conducted for 48 days (27 November 2019 13 January 2020). We evaluated the influenc...

Magnesium is an essential nutrient for the growth and development of plants. Its deficiency becoming a growing concern in many citrus orchards worldwide, adversely affecting numerous functions plants limiting their productivity quality. Three-year-old orange (Citrus sinensis cv. Newhall) grafted on Swingle citrumelo (C. paradisi Macf. × Poncirus trifoliata L.) rootstock were irrigated 63 days w...

Fruit production of sweet orange ( Citrus sinensis ) in Florida has been declining with the presence Huanglongbing [HLB; Candidatus Liberibacter asiaticus (CLas)] disease. Through disruption balance endogenous hormone levels, disease negative impacts on fruit development, mature retention, and overall tree health. Thus, goal this research was to determine whether plant growth regulator gibberel...

Background & Aims of the Study: Today, the environment pollution with heavy metals has increased. It is important to study various types of pollutions specially those regarding fruits. The effect of pollutions on food safety for human consumption is a global concern.  This study was conducted for health assessment of heavy metals pollution (cadmium, lead, and arsenic) in c...