Plant growth plant development 10 Plant development 4 Gibberellins 3 experimental physiology 3 plant-assimilation 3 plant-chemical modification 3 Assimilation 2 Environmental physiology 2 Photosynthesis 2 Plant Development 2 Plant cells 2 Plant life 2 Plant reproduction 2 growth substances 2 growth substances - plant 2 photosynthesis 2 plant - growth regulators - chemistry 2 Asexual reproduction 1 Auxins- Plant growth 1 Biological competition 1 Biology 1 Bisynthesis 1 Botany 1 Botany- Ecology 1 Cell division 1 Cells 1 Chemostats 1 Controlling the plant environment 1 Crop pant 1