To increase a specific attribute of a plant, somatic hybridisation is superior to genetic engineering and somatic variation.” Comment on this statement using the ideas of these approaches to plant improvement
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“To increase a specific attribute of a plant, somatic hybridisation is superior to genetic engineering and somatic variation.” Comment on this statement using the ideas of these approaches to plant improvement.
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- What causes joining up of stock and scion in grafting technique of vegetative propagation in plants? Define the terms stock and scion. Name one positive trait eachof the plant contributing scion and stock should have.The aim of a research project is to produce a hybrid plant having resistance to disease. The disease resistance trait is cytoplasmically encoded. The parent plants which are chosen for the development of the hybrid are sexually incompatible. Which tissue culture technique will be used to produce a hybrid using these sexually incompatible parents.discuss the following methods of plant propagation. i. Grafting ii. Layering iii. Marcotting iv. Budding
- Plant biologists are currently working to identify those Arabidopsis genes with unknown functions. If you were assigned to determine the function of a particular gene, how might you approach this task?Consider the following hypothetical gene a plant g&T produces a protein that impacts the stem length. There are two alleles for GT which produces long stem and tea little tea which results in short stint. Which of the following genome types above would have a different pheno type? And what would the phenotype be for the genotype?Genetic variation is indispensable for crop improvement. Discuss how heritable variation can be generated in crop plants?
- Plants reproduce through various methods. Explain which method helps to create genetic variability in crop plants? Moreover elaborate mechanisms promoting self or cross pollination.What is the difference between plants developed through selection or conventional plant breeding and genetically modified crops?Why plant disease diagnosis is important in plant pathology?
- Let's talk about the "apriori pruning principle," if you like. Could you give me an example of this?The data that is attached below was collected during a lettuce seed ecotoxicity assay. Lettuce seed assays are used to compare the ecotoxicity of methanol, ethanol, and isopropanol by these alcohols' effects on germination rate and root elongination. Using the attached data, help answer which alcohol seems to be the most toxic to lettuce seeds. Why or why not would your results be expected? What does this information tell you about using ecotoxicity data to estimate human toxicity?Discuss the role of phytohormones, fertilizers and pesticides, and genetic engineering in the development and growth of plants. Describe how the environment has a significant impact in plant growth and development.