Directional growth of plant pollen tubes to ovules
Since the sperm cells of angiosperms are unable to move, the completion of sexual reproduction in angiosperms requires the use of pollen tubes to deliver the sp
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Artificially induced conifer trauma Formation of resin canals
Conifers are a group of gymnosperms with slender, needle-like leaves, mostly evergreen, and generally soft, some resin-containing material, consisting mainly of
Detection of plant genetic diversity
Genetic diversity is a historical product of organisms formed in the course of long-term evolution and is an important component of biological diversity. The si
Construction of plant molecular phylogenetic trees
Phylogenetic analysis of plant molecules is mainly based on the use of biomolecular sequences (such as DNA sequences) that carry plant genetic information, and
Experiments on quantitative traits in Drosophila
Drosophila quantitative trait experiments can be applied to: (1) characterize the inheritance of quantitative traits; and (2) learn to estimate inheritance.
Preparation of mitotic chromosome specimens from onion root tips and observation experiments
Through the preparation and observation of plant root tips, the preliminary learning of plant tissues, cells, fixation, dissociation and compression methods, to
Determination of plant tissue water potential
Water potential is the potential energy that drives the movement of water through an organism. Water always moves from a higher to a lower water potential in th
Determination of water content of plant tissues
Plant tissue water content is an important indicator of plant water status. Plant tissue water content not only directly affects plant growth, stomatal conditio
Onion pollen mother cell smear and observation experiments
To understand the process of microspore formation and the changes of chromosomes in meiosis through the preparation of plant pollen mother cells, and to further