Concept:Pruning is a horticultural practice used to shape plants and improve fruit quality, not to fix plant spacing.Explanation:Statement I is correct because pruning removes excess branches and controls the size of plants.Statement II is correct because pruning improves air circulation and sunlight penetration, leading to clean and attractive fruits.Statement III is incorrect because correct spacing of trees is decided at the time of planting, not by pruning.Thus, only statements I and II are correct.Answer:A. I and II only