Differences of follicle density and S/P among different months of age in young goats and among seasons of year in adult goat and effects of age,birth type and mother\'s age on follicle traits were studied in this paper.

Cyst density and subspeicies idntification of soybean cyst nematode in Heilongjiang Province;

Preference of Bemisia tabaci adults for cucumber leaf age and its relationship with offspring performance in terms of duration and survivorship were investigated in this experiment, and preference of whitefly adults was correlated to trichome density on leaves of different ages.

Analysis of genetic variation and combining ability of the density of glandular trichome of flue-cured tobacco;

The Variation and Genetic Characteristics of the Density of Glandular Trichome and the Weight of the Exudates Per Unit Area on the Surface of Tobacco Leaf;