Gibberellic acid

Also known as gibberellin, this compound was originally isolated from a fungus (Gibberella fujikuroi.) but is now known to occur in all plants. Many different gibberellins, called GAi, GA2, etc., have been identified. Gibberellins are plant growth substances that tend to affect the entire plant. They stimulate growth and have many commercial applications such as breaking potato seed tuber dormancy, increasing celery stalk length, suppressing seed formation in grapes, increasing the size of ornamental flowers, and delaying fruit maturity.

Growing Soilless

Growing Soilless

This is an easy-to-follow, step-by-step guide to growing organic, healthy vegetable, herbs and house plants without soil. Clearly illustrated with black and white line drawings, the book covers every aspect of home hydroponic gardening.

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