The citrus growers who collect mature oranges from the grove would be considered in the value chain.

Manufacturer or producer of goods

Explanation:

The complete question is -

The citrus growers who collect mature oranges from the grove would be considered what in the value chain

Solution

The citrus grower produces the oranges and hence he/she would be considered as manufacturer or producer of goods (as orange is a goods). The supply chains comprises of manufacturer, distributor, retail shops, transportation etc.