Underground plant - Study guides, Class notes & Summaries

Iowa Commercial Pesticide Applicator Category 1A Latest Update Graded A What is the greatest hazard when applying most herbicides? Injury to nontarget plants Name some herbicides which are very effective against germinating weeds but less effective on established weeds. Frontier, Lasso, and Dual What soil conditions reduce the activity of many herbicides and require increased rates for adequate weed control? Higher levels of soil organic matter or clay Two herbicides which are more active on ...

what is the structure that provides positioning and support of the leaves? - ANSWER_The Stem What do the roots do? - ANSWER_provide anchorage and absorb water from the ground What part of the plant regulates gas exchange? - ANSWER_Stomata What is the function of guard cells? - ANSWER_surround the stomata What is a runner(stolon)? - ANSWER_New plants arise at the nodes on an above-ground horizontal stem What type of plants have a runner? - ANSWER_strawberries what is a rhizome? ...

List the roles plants play in a healthy aquatic ecosystem. correct answers-producing oxygen -preventing shoreline erosion -lessening excess nutrients during growing season -stabilizing lake bottom -providing food and habitat for fish, waterfowl, and other aquatic animals List ways that excessive plant growth can adversely affect the ecology and uses of a water body. correct answers-harm ecology of aquatic ecosystem -curtail or prevent recreational water uses (e.g. fishing, boating, swim...

LRM3701 October/November 2024 | Due 31 October 2024. Read the case study in this link, and argue whether or not these employees have participated in a strike action. 2. NEGOTIATIONS (5 MARKS) Read the following case study and answer the question that follows. Underground sit-in at Sibanye’s Kroondal platinum mine ends as workers return to surface TimesLIVE reports that the illegal underground sit-in by employees at Sibanye-Stillwater’s Kroondal mine ended on Wednesday afternoon with a...

LP-Gas Texas Bobtail Questions and Answers 100% Pass required for all piping systems that serve _______ psig appliance systems. normally operated at 11 in WC pressure 1/2 required for all piping systems that serve 1/2 psig appliance systems. normally operated at ______ in WC pressure 11 above group LP-gas containers must not be located within ____ feet of the vertical plane beneath overhead electric power lines that are over _____ volts 6 600 Fire Extinquishers must have minimum capacity of ...

Perennial weeds are difficult to control because... - Answer- They can reproduce from organs like rhizomes, stolons, tubers Insect order known to transmit plant disease - Answer- Thysanoptera (Thrips) Insect order of pests to living plants - Answer- Heteroptera (true bugs) Immature stages of insects - Answer- Instars Insect order that suck juices from plant cells - Answer- Homoptera (aphids and whiteflies) Part of plant nematodes often attack - Answer- Roots & underground parts ...

Abiotic disorder - Answer- A non-pest plant stress such as improper nutrition, too much or too little water, winter or frost injury Action threshold - Answer- The pest density at which action (such as pesticide application) is justified to prevent further damage. Adelgid - Answer- An insect closely related to aphids that feed on conifers. Their feeding often causes galls to form. Aesthetic injury level - Answer- The point at which damage from a pest becomes noticeable enough to negative...

01.1 a group of the same / similar cells or a group of cells with a (similar / specific) function ignore a group of cells unqualified ignore examples of tissue functions 1 AO1 4.2.1 Question Answers Extra information Mark AO / Spec Ref. 01.2 meristem (tissue) 1 AO1 4.1.1.4 4.1.2.3 4.2.3.1 Question Answers Extra information Mark AO / Spec Ref. 01.3 willow ignore named parts of willow 1 AO1 4.3.1.9 Question Answers Extra information Mark AO / Spec Ref. 01.4 any one f...

BICSI OSP Exam Real Test Questions & Correct Answers In areas where future excavation is anticipated, it may be advisable to place the cable at a greater depth. For example, if road grading that will remove 610 mm (24 in) of dirt is planned in a particular area, it would be wiser to initially place the cable at 1.2 m (4 ft) versus the standard 610 mm (24 in). - ANSWER True Placing all of the conduits during the initial conduit system installation is desirable, if not mandatory. ...

What determines whether a given plant is a weed? - ANSWER-A weed is any unwanted plant What are the two main goals of weed management? - ANSWER-The primary goal is to minimize weed competition and the other main goal is to limit the weed's reproduction in order to manage the weed population in years to come. Distinguish grasses from broadleaf plants and herbaceous from woody plants - ANSWER-Grasses are considered monocots, meaning they have a single seed leaf, they also have narrow leaves...