Vegetative growth Study guides, Class notes & Summaries

Disinfection - destruction of vegetative pathogens; usually on inanimate objects. Antiseptic - agent which prevents bact. contamination and growth; usually on living tissue. Which agent doesn't necessarily work better at higher concentrations? - Alcohol, 70% (goldie lock zone)(60-80% most effective) (Ethyl and Isopropyl) -Alcohol is very effective to resistant to inactivation by organic materials (halogens are not good at this) Name the factors that affect a disinfectant activity. ...

Brooks Biodiversity Unit 2 Exam Study Guide 2024 with complete solution. The Primary role of Fungi Decomposers- they break things down Modes of Nutrition in Fungi Heterotrophs with extracellular digestion Exoenzymes Fungi Release these enzymes outside of the cell wall. Break down complex molecules into smaller organic molecules which can be absorbed. Extracellular Digestion The release of exoenzymes out side of the cell wall, followed by the absorption of nutrients.. Saprobes Fungi...

Question 1 Correct 3.00 points out of 3.00 Flag question Question text Which of the following best describes mycorrhizae? a. Pathogenic soil bacteria and fungi that destroy plant roots b. Important soil millipedes that increase aeration of top soil c. Symbiotic fungi that increase soil nutrient uptake in plant roots d. Common in soils that lack a functional humus Feedback Your answer is correct. The correct answer is: Symbiotic fungi that increase soil nutrient uptake in plant r...

PCA Exam Defoliants Defoliation Leaf loss or leaf absicisson. In cotton production, it usually refers to leaf loss associated with application of a chemical that injures the leaf. Defoliation can also occur through natural leaf maturation and senessence, particularly with cooling weather after boll development Desiccation acclereated drying of plant tissue Harvest Aid Chemical chemicals with various modes of action that facilitate machine harvest by influencing boll opening, reduci...

PCA Exam Defoliants Defoliation Leaf loss or leaf absicisson. In cotton production, it usually refers to leaf loss associated with application of a chemical that injures the leaf. Defoliation can also occur through natural leaf maturation and senessence, particularly with cooling weather after boll development Desiccation acclereated drying of plant tissue Harvest Aid Chemical chemicals with various modes of action that facilitate machine harvest by influencing boll opening, reduci...

International CCA Exam: Nutrient Management Which of the following is NOT an essential nutrient for plants? N, Cu, Na, H - Sodium (Na) Which of the following plant nutrients is a cation in the soil? Chlorine, Potassium, Molybdenum, Sulfur - Potassium (K+) Which of the following plant nutrients is a macronutrient? Cu, S, Mn, B - Sulfur (S) Which of the following regulates Stomatal openings in the Plant? N, P, Fe, K - Potassium (K) Which of the following plant nutrient forms is mo...

Brooks Biodiversity Unit 3 Exam Questions and Correct Answers 2024 with complete solution. Plants Architecture Plant needs i. collection & conversion of solar energy -> leaves ii. positioning & support of leaves -> stems iii. anchorage & absorption -> roots iv. transport -> vascular system Leaf Structure Epidermis, Mesophyll, and Vein (Vascular Bundle) Epidermis contains what? - Cuticle - Guard cells with Stomata Epidermis outermost cell layer of a plant body cutin: (...

Weed management Strategies - ANSWER o mechanical - tillage, mowing, flooding. o cultural - rotation, competition. o Biological - bugs o chemical - herbicides Growth Regulator Herbicides - ANSWER Selective, Translocate Example: 2,4-D Amino Acid Synthesis Inhibitors - ANSWER non-selective, translocate Example: Arsenal, Roundup Lipid Inhibitor - ANSWER Selective, translocate, interfere with new hand growth Seedling Growth Inhibitors - ANSWER prevent root or shoot development on see...

Microbiology The study of microorganisms. The science which treats the nature, life and action of microorganisms. Me Him Contamination The state of being soiled or infected by contact with infectious organisms or other material Microns A unit of measurement; 1/1000 of a millimeter or 1/25,000 of an inch; usually designated by the Greek letter "u". Protoplasm Describes all living materials in a cell. A thick mucous-like substance that is colorless and translucen...

General Characteristics of Molds Question and answers already passed 2024 Mold - correct answer - eukaryotic, multicellular, filamentous fungi by its fuzzy or cottony appearance - main part of the growth commonly appears white but may be colored or dark or smoky - thallus or vegetative body, characteristic of thallophytes, which lack true roots, stems & leaves thallus - correct answer vegetative body, characteristic of thallophytes, which lack true roots, stems & leaves Colored spo...