INHERITANCE AND VARIATION OF JUVENILE GROWTH TRAITS IN OPEN POLLINATED FAMILIES OF MASSON PINE‘S NATURAL STANDS STUDIES ON INHERITANCE AND VARIATION OF PEPPER AND TOMATO OF SPACEFLIGHT BREEDING STUDY ON INHERITANCE AND VARIATION OF WOOD BASIC DENSITY OF POPULUS TOMENTOSA Carr. CLONES Inheritance and Variation of Floral and Fruit Quantitative Traits of Liriodendron Interspecific Hybrid and Its Parent Species AN APPROACH TO INHERITANCE AND VARIATION OF MAIN ECONOMIC CHARACTERS AND COMPREHENSIVE SELECTION OF HALF-SIB FAMILIES OF SLASH PINE