Dissertations, Academic (Ph.D) 1 Effects of triazine herbicides on the physiology of plants 1 Herbicide families 1 Herbicide plant selectivity 1 Heterocyclic compounds 1 Nitrogen compounds 1 Photochemistry 1 Radiation chemistry 1 THE CHEMISTRY OF HETEROCYCLIC COMPOUNDS-- CHEMISTRY OF 1--2--3/TRIAZINES AND 1--2--3/TRIAZINES--TETRAZINES AND PENTAZINES 1 THE CHEMISTRY OF HETEROCYCLIC COMPOUNDS-- S/TRIAZINES AND DERIVATIVES 1 THE CHEMISTRY OF HETEROCYCLIC COMPOUNDS-- THE 1--2--3/AND 1--2--4---TRIAZINES-- TETRAZINES AND PENTAZINES 1 Tetrazine 1 Thesis (Ph.D)-Chemistry 1 Triazine 1 Triazine and triazole 1 Triazine herbicides 1 Triazines 1 Triazines-Photochemistry 1 Triazines-Radiation chemistry 1 Weed Control 1 Weed Ecology 1