(1) The effects of soil drought stress on the growth and development of flue-cured tobacco (Nicotiana tabacum L. )and its mechanism were studies with the cultivar NC89 un-der pot experiment.

(2) Between 1580 and 1610, Nicotiana tabacum, a species originally from the Amazon, became a fixture in every inhabited part of the earth.

(3) The changes of aroma matter and chemical components in tobacco leaves during aging were studied with flue-cured tobacco (Nicotiana tabacum L.

(4) Factors affected nicotine biosynthesis in Nicotiana tabacum were researched. It indicated that the content of nicotine was decreased during subculture.

(5) Nicotiana tabacum, as botanists call it, was the first global commodity craze.

(6) The effect of high voltage electrostatic field ( HVEF ) on growth and root differentiation of Nicotiana tabacum L.

(7) The exudates of the glandular trichome on the green leaf surface of Nicotiana tabacum L. is the important precursor of the aroma and flavour matter of cured tacco leaf.

(8) Using calcein as an indicator, the effects of electroporation on de exined pollen, ungerminated and germinated intact pollen in Nicotiana tabacum were compared.

(9) NKT4 was mainly expressed in main roots and lateral roots and little in leaves in Nicotiana tabacum .

(10) Analysis of the nucleotide sequence and deduced amino acid sequence showed 74%, 57%, 57% homology with CBF genes from Brassica napus, Nicotiana tabacum, Arabidopsis thaliana.

(11) Studies on the induction of embryoid from unpollinated ovaries of Nicotiana tabacum L.