Plant morphology

About: Plant morphology is a research topic. Over the lifetime, 1174 publications have been published within this topic receiving 24418 citations. The topic is also known as: phytomorphology & morphology of higher plants.

The effect of the 1,2,3-triazolo[5,1-b][1,3,4]thiadiazines on Solanum lycopersicum L. seed germination.

Abstract: In recent years chemical pesticides are being replaced by environmentally friendly and universal means of plant protection that are able to exert a complex effect on the plant (stimulate growth and development, improve metabolic processes, develop resistance to pathogens, etc.). The effect of new synthetic growth regulators of the 1,2,3-triazolo[5,1-b][1,3,4]thiadiazine class and trade phytohormones (6-BAP, GA and TDZ) on the growth processes, growth energy and vitality of tomato seeds, as well as morphological parameters of seedlings was researched in this article. It was revealed that the effect of synthesized compounds on seed vigor and viability of seedlings are superior to commercial phytohormones. In the early stages of germination the seed vigor of tomato seeds treated with the compounds TT1-TT5 were superior to one in treatments with phytohormones and in control experiment. As a result of the experiment, the most viable seedlings were formed into the treatments TT1, TT2 and TT3 (in all studied concentrations). Tomato seedlings treated with 6-BAP and GA at a concentration of 5 mg L-1 produced the worst results.

Origin of land plants.

Abstract: Early Silurian and Late Ordovician Environments. Approaches to an Understanding of Early Land Plant Evolution. The Charophycean Algae. Morphology, Ecology, and Physiology of Charophytes. Gaps Between Charophycean Algae and Land Plants. The Evolution of Plant Morphology: Cell Walls, Cytoskeleton, Cytokinesis, Intercellular Communication, and Histogenesis. Evolution of Plant Sexual Reproduction. The Origin of Plant Signal Transduction Systems, Phytohormones, Photomorphogenesis, and Secondary Metabolism. Land Plant Origins----A Summary. Literature Cited. Index.

The effect of salt stress on morphological characteristics and Na+, K+ and Ca+ ion contents in medicinal plant fenugreek (Trigonella foenum graecum L.) under hydroponic culture

Abstract: Considering the increasing trend of saline land enhancement and lack of appropriate agricultural lands, identifying salt resistant plants such as fenugreek, which is an important medicinal plant, is important. To do so, a factorial experiment was conducted in the form of randomized complete blocks design with three replications on three fenugreek landraces (Yazd, Shiraz and Hendi) and five salinity levels (0, 40, 80, 120 and 160 mM NaCl) in hydroponic culture in greenhouse of College of Agriculture, Shahrekord University. The results showed that plant height, root length, shoot dry weight, root dry weight, and number of leaves per plant was reduced with the increase of salinity level. Increasing salinity level led to an increase in the amount of Na in shoot dry matter, while the amount of Ca and K and Ca/Na and K/Na ratios were decreased. The Yazd cultivar had the highest mean plant height (20.1 cm), shoot dry weight (1.94 g per plant) and number of leaves (13.4 per plant). Whereas, Shiraz cultivar had the highest amount of Ca and K ions and also Ca/Na and K/Na ratios. Based on the results of this research, it seems that Shiraz landrace, carrying genes related to salinity tolerance could be used to improve high yielding genotypes.