Plant morphology

microbes and plants, introduced the Greek term ‘mycorrhiza’, which means ‘fungus roots’. Mycorrhizas are highly evolved symbiotic association between roots of most higher/vascular plants and certain specialized soil fungi (Ascomycetes, Basidiomycetes and Zygomyectes) that colonize the root cortex during periods of active plant growth both in the natural environment and in cultivation. This is a non-pathogenic peaceful relationship because on one side fungus provides nourishment to the plant and…

problems and they are herein called “problem ferns”. Pteridium aquilinum (bracken fern) is one of the problem ferns which cause the greatest range of problems on ecology and human welfare. Bracken fern has been described as one of the five most common plants on earth, the most locally intensive and globally extensive. It is a ubiquitous fern belonging to the phylum Pteridophyta and to the family Dennstaedtiaceae. In India it is found on exposed grassy lands in hills. It is an ornamental,…

Hussien Sara House, Lesha Liles, Abigail Saucedo, Melrina Stemn Biology 1441_Sec 017, Monika Pradhan; October 6, 2015 All plants rely on photosynthesis, therefore, we examined the rate at which a submerged plant such as elodea photosynthesized, with different light factors. To do this, the elodea must be completely be submerged in deionized water, later place the two plants under artificial light and natural light. After an hour, elodea has to be removed from the beaker, add three drops of…

Robert Brown Biology is a very broad topic and many scientists have contributed to the biology world. In this paper I will be talking about one of those people who had a major contribution to the science community. “Robert Brown was born on December 21, 1773 in Montrose Scotland. He died on June 10, 1858 at the age of 84 in London England” (Britannica 1). Robert Brown most recognized by how he described the “cell nuclei and the continuous motion of minute particles in solution, which came to…

microbe internally* (V. Clarke et al 2014). The symbiotic relationship between plants and fungi is an essential one for benefiting fully from Mycorrhizae, which then helps the land plants absorb the essential nutrients such as phosphorus and nitrogen. The interaction between plants and microbes allows for essential functions of the plants such as growth, germination and health of the plant, as well as for helping the plant fight off disease and stress. The beneficial fungi being present will…

significant positive relationship between the height of the milkweed plant and its number of seedpods. This contradicts the trade-off hypothesis between plant height and the number of seeds produced. The milkweeds may be devoting more resources towards growth earlier in the growing season, and later devoting more resources towards reproduction, which would imply that there is indeed a certain resource allocation strategy that the plants are using, although it is not evident as a negative…

Bud bank dynamics (Benson, Hartnett et al. 2004) study suggest that the densities and dynamics of tallgrass prairie plant populations, as well as their response to disturbance (e.g., fire and grazing) and climatic variability, may be mediated principally through effects on the demography of belowground bud populations. Patterns of seed reproduction and seed bank populations have little influence on short-term aboveground population dynamics of tallgrass prairie perennials. Our results indicate…

values for various agro-morphological traits of linseed S.No. Traits Source Replication Genotypes Error df 2 18 36 1 Seed yield per plot (g) 0.26 3.93** 0.02 2 1000 Seed Weight (g) 0.76 7.07** 0.04 3 Plant Height (cm) 4.99 329.63** 1.32 4 Technical Height (cm) 3.82 137.04** 1.32 5 Primary branch 1.14 21.74** 0.10 6 Secondary branch 0.84 13.71**…

Disea. Plants infected by S. sclerotiorum commonly develop signs of the pathogen, such as white, cottony mycelial growth embedded with black sclerotia that develop on plant surfaces or inside pod and stem tissues (Abawi and Grogan, 1979). The pathogen overwinters in the soil or on crop debris as sclerotia, which under suitable conditions germinate…

trends in population estimates for some plant and animal species in each environment Examine trends in population estimates for some plant and animal species within an ecosystem Justify the use of different sampling techniques to make population estimates when total counts cannot be performed Identify some adaptations of living things to factors in their environment Identify and describe in detail adaptation of a plant and an animal from the local…