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AGRN 1000 lab final
| Question | Answer |
|---|---|
| The genotypic ratio produced by self-pollination of an individual with genotypic Bb would | 1/4 BB, 1/2 Bb an 1/4 bb |
| Flower parts that occur in wheat flower but not in soybean flower are the | lemma and palea |
| Basic unit of heredity is the | Gene |
| which of the following is NOT one of the 2 chemicals that were sprayed on the plants in your lab to test growth and regulation? | Auxins |
| The observed expression of a trait (how an organism looks) is called the | phenotype |
| Wheat has an inflorescence structure called a | Spike |
| The primary purpose of the Alabama Crop Improvement Association is to | Condition Seed |
| Auricles are absent in | Oat |
| Crops that are planted and harvested for their dry, edible seeds or fruits are called | Grain crops |
| A banded application of a pesticide or fertilizer | is applied between rows or over rows |
| When a load of seed are first received at the Alabama Crop Improvement Association, the first step is to | Collect a representative sample; sieve, weigh, and determine the moisture content |
| The average nozzle output on a sprayer with 10 nozzles spaced 20 inches apart is measured as 1pt/15seconds. the output of the entire spray rig every minute is therefore | 5 gallons |
| Reproduction involving vegetative plant parts is known as | Asexual reproduction |
| The basis for determining the value of grain involves | cleanliness, purity, and moisture |
| the first structure to emerge from a germinating seed in both dicots and monocots is the | Radicle |
| Buying Certified Seed Assures the purchaser of | Genetically pure, weed-free seed with adequate germination |
| A pesticide formulated as an Emulsifiable Concentrate (EC) | is a liquid that is suspended as tiny droplets in another carrier liquid, such as water |
| During calibration, a sprayer travels 180 feet in 16 seconds. What is the speed in feet/minute | 675 ft/min |
| A spray boom is 30ft wide, with 18 nozzles. Therefore the distance between nozzles would be | 20 inches |
| the best source of information on the handling, uses, application, and disposal of any pesticide is the | label |
| in a ________ leaf, the blade is divided into 2 or more leaflets | compound |
| Factors the influence pesticide application rate are concentration of pesticide in the tank, sprayer output and _____ | speed of travel |
| As seen in comparison of plots one and two in the Old Rotation experiment, the most effective treatment for improving cotton yield is: | Rotation with a legume |
| The "Old Rotation" is | the oldest continuous cotton experiment n the US |
| The specific winter legume currently being used in the Old Rotation is | Crimson Clover |
| the leaf ________ is the edge of the leaf blade. it can vary from smooth to serrated, to deeply lobed. | margin |
| Small grains in the vegetative stages can be distinguished from one another based on | leaf collar and characteristics |
| One of the major advantages of sexual hybridization (crossing) and reproduction as compared to asexual reproduction is: | it allows for genetic recombination to occur |
| A crop that was once grown on large acreages in Alabama as a source of nitrogen, soil builder, and nematode management tool, and has a compound in its seeds that has been used to treat Parkinson's disease is | Velvetbean |
| Pesticides that are formulated as a DRY material are | applied in the dry form as a dust or granule |
| The most serious "signal word" indicating the highest level of human and animal toxicity is: | danger |
| When a load of seed are first received at the Alabama Crop Improvement Association, the first step is to | Collect a representative sample; sieve, weigh, and determine the moisture content |
| The best source of information on the handling, uses, application and disposal of any pesticide is the | Label |
| Factors that influence pesticide application rate are concentration of pesticide in the tank, sprayer output, and | speed of trave; |
| a herbicide is correctly being applied at a rate of 1 pound per acrea in the 6 inch band over the row in a 24 in row spacing. The correct broadcast rate would therefore be | 4lbs/acre |
| Before Certified Seed can be produced, it must first come from the variety development organization or the plant breeder as | Breeder seed |
| the type of inflorescence common to oat and corn tassels is | panicle |
| a spray boom is 30 feet wide with 12 nozzles. therefore the distance between nozzles would be | 30 inches |
| during calibration a sprayer travels 80 feet in 16 seconds. what is the speed in feet/minute | 300ft/min |
| a pesticide formulated as a wettable powder | is a dry powder that remains in suspensions in a carrier solution if kept agitated |
| Auricles are absent in | oat |
| general categories of pesticides are | rodenticides, fungicides, insecticides, and herbicides |
| correct order for variety development | breeder seed --> foundation seed --> registered seed --> certified seed |
| durum wheat is used in | spaghetti and macaroni |
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asculpepper
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