Genetic Variation and Individual Plant Selection of Main Economic Traits ofProgenies from the Second-generation Seed Orchards of Chinese Fir Host-plant selection mechanisms and behavioural manipulation strategies of phytophagous insects Frost-resistance of subtropical evergreen woody plants: An evaluation based on plant functional traits. The relationship between morphological structure of tubular florets and achene of sunflower and host plant selection of European sunflower moth A PRELIMINARY STUDY ON THE BREEDING OF NEW CHINESE LOTUS CULTIVARS OF HIGH YIELD AND FINE QUALITY Behavioural Responses of Dendrolimus superans to Dahurin Larch and Its Nine Volatiles Selection and Application of Green Plants in Heilongjiang Provincial Expressways Influence of Piriformospora indica on Host Plant Selection by Aphid Lipaphis erysimi(Kaltenbach) Application of Improved Contingency Table Method in Wheat Breeding Ⅰ.Discussion the Theory of Single plant Selection Approach