PLSC 220- Midterm Exam Guide - Comprehensive Notes for the exam ( 36 pages long!)
Document Summary
Size / height control of plants: compact plants: genetic taking. When you start you plants, propagating cutting or seedling. The earlier you start them the longer you have them and the taller they will grow. The lower the light the more far red light there will be and the more stretched the plants well get: physical control. Mechanical conditioning ( brushing - this makes for a thicker plant, 30-50% height control and produces ethylene, happens 40x a day : chemical control (pgr) Gibberellic acid inhibitors-used to inhibit the growth. The dosage is the concentration, and the leaf area. If you have a big leaf area you need a larger volume, how much will the plant uptake. If it has waxy leaves it will be hard to get it to get it through the cuticle layer of the plant. The younger plants need less they are less sensitive to growth inhibitors.
