Plsc 101 Exam 3 Study Guide
Plsc 101 Exam 3 Study Guide plsc 101
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This 5 page Study Guide was uploaded by randomchic12 on Sunday April 24, 2016. The Study Guide belongs to plsc 101 at Louisiana Tech University taught by Dr. Paul Jackson in Spring 2016. Since its upload, it has received 61 views. For similar materials see plant science in Botany at Louisiana Tech University.
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Date Created: 04/24/16
Plant Science Exam 3 Study online quizlet.com/_1cofck 1. filler carrier of fertilizer 18. granular slow release fertilizer type ensures even distribution of granules;non-coated, evenly spread nutrients around plants help prevent fertilizer "bum" of -water aids breakdown of some plants -medium vs coarse grade and longevity 2. bio-solids(sewage types of filler 19. coated coated with a plastic or sulfur sludge), clay materials, -moisture or temperature activated vermiculture -Ex:osmocote- uses a porous plastic resin 3. ammonium nitrate (34%N) most common 20. osmocote uses a porous plastic resin Nitrogen Source 21. crelation compound formed when a metal 4. ammonium sulfate (21%N) lower N content ion(micronutrient) binds toa molecule Nitrogen Source (organic matter) 5. urea (46%N) drawback is volatilization 22. nutrient -crelation of N mobility -increases solubility of Fe, Zn, Cu, and Mn Nitrogen Source 23. light required for chlorophyll formation and 6. sodium nitrate (16%N) photosynthesis Nitrogen Source 24. photoperiodism process where plant growth is influenced 7. calcium nitrate (15%N) by the relative length of day and night Nitrogen Source -long day plants 8. potassium nitrate possible source of K -short day plants Nitrogen Source 25. long day plants longer days= flowering 9. triple superphosphate High P(44-52%) shorter days= vegetative growth Ex:wheat, chrysanthemums (TSP) Phosphorus source 26. 10.di-ammonium more soluble than TSPand short day plants longer days= vegetative growth (flowering delayed) phosphate (DAP) contains some N(18-46-0) Phosphorous source shorter days= flowering -Examples:rice, soybeans, poinsettias 11.phosphoric acid (H3PO4) soluble source of P;used to acidify irrigation water 27. length ofnight What is the critical determinant? (dark period) Phosphorous source 28. 12.potassium chloride muriate of potash;most common scenario for 1.Require prolonged darkness for short day plant flowering K source (39-51%) potassium source 2.Short interval of light during the night 3.Flowering delayed 13.potassium sulfate sulfate of potash;similar toK with added sulfur (39-42%) 29. Scenario for 1.Requires longer periods of light for long day plant flowering potassium source 2.Brief period of light during the night 14.lime provides source of calcium and 3.Flowering is hastened magnesium -calcific limestone= only Ca 30. day-neutral plants that are indifferent in response to photoperiodic influences -Dolomitic limestone=Ca and Mg -Ex:Cotton Increases pH 31. Zeamays scientific name for corn 15.43,560 How many square feet are in an 32. acre? maize corn outside the U.S.is called maize 16.Stuggart What is the rice capital of the world? 17.liquid soluble fertilizer forms solution in water;applied directly toplants and available immediately 33.food, animal feeds, Corn is used for:(6 things) 50. sweet high sugar content and nostarch sweetener, biofuel, -look translucent and shriveled when dried alcohol, industrial 51. pod each kernel in a husk or pod products -like primitive corn types 34.70-80 degreesF What is the average summer temp of -more ornamental greatest production for corn? 52. decreased disking/plowing of corn has ________ 35.>58 degreesF What is the average night temp for 53. 1.5-2 inches corn seed planted ________ deep corn? 54. 24-36 inches corn rows usually __________ apart 36.50 degreesF What is the minimum temp for germination? Corn 55. 3,000-4,000 corn poorer soils = _________ plants/acre 56. 34,000 corn optimum soils= up to__________ 37.<45 degreesF Prolonged days _________ but above freezing can kill corn plants/acre 57. feb 25- mar 20 South LA corn planting dates 38.precipitation, 50%, __________:_____ of water intake is tasseling stage utilized during the 5 weeks after 58. mar 10- april North LA corn planting dates achieving maximum leaf area for 1st corn (__________) 59. april 15 last day for max corn yield potential 39.10-15 ft tall corn coarse annual grass is this tall 60. may 1 corn yields reduced by 30% 40.moneociousplant male flower-tassel on terminal end 61. 643,480 In 2013, How many corn acres were female flower-ear in leaf axil harvested? -corn 62. 186 In 2013, How many corn bushels/acre were 41.corn silk is the stigma and style there? 42.brace roots arises from nodes on the stem base 63. $735.5 In 2013, What was corn's value? and function tostabilize the plant; type of aerial root million corn root 64. 395,279 In 2014, How many corn acres were 43.coronal roots those from seed and that form 1-2 harvested? inches below soil surface;main 65. 182 In 2014, How many corn bushels/acre were source of uptake for plant there? 44.soft starch or endosperm of corn can be this 66. $298.1 In 2014, What was corn's value? million corneous 45.dent, flint, flour, list the 6 varieties of corn 67. triticum (17 wheat's genera species) popcorn, sweet, pod 46.dent corneous on sides and back of 68. wheat most important grain crop in the world "Staff of Life" kernel -starchy top makes a dent when -human nutrition dried -bread making -most widely grown 69. wheat -adapted totemperate climates 47.flint soft starch center and corneous climate -moderate temps outer layer 70. 10-20 average rainfall for wheat is -stores better than flour type inches/year -better resistance toinsects and diseases 71. high, disease _______ temps and humidity can = _________ development 48.flour soft starch throughout 72. winter wheat -In northern areas, planted in fall and 49.popcorn soft starch center and corneous harvested following summer outer layer -In southern areas, planted in fall/winter and -smaller kernel than flint harvested in spring -unique expansion properties 73. spring wheat planted in spring in northern latitudes (compared toother types) (Dakotas/Canada) 74.long-day, longer wheat is a ________ plant 84.soft -protein content:10-13% and flowers in response to white -low gluten content _______ spring days wheat -used for breakfast foods, cakes, pastries, and crackers 75.3-5 wheat has _______ stems -grown in Washington, Oregon, California, (tillers) per plant Michigan, and New York 76.annual wheat, corn, and grass all -grown as a winter annual have __________ grass 85.hard -protein content:11-14% 77.long and spiked Wheat in florescense is white -high gluten content ________________ wheat -used for breads, pizza crusts, flatbreads, tortillas, 78. and Asian noodles 30 grains wheat has about _________ per seedhead -grown in Kansas, Colorado, Nebraska, Oklahoma, 79.durum, hard red spring, hard What are the 6 classes of and Texas -grown as a winter annual red winter, soft red winter, soft wheat? 86.soft red main types of wheat grown white, hard white winter 80.durum wheat -highest protein content: 87.late wheat provides cash flow in ________ 15-16% -low gluten content spring -used for making semolina 88.oct 15- North LA wheat planting date for macaroni, spaghetti, nov 15 and couscous 89.nov 1- Central and South LA wheat planting date -grown in North Dakota -grown as a summer nov 30 -planted at this time toavoid excessive rains and disease/freeze damage annual 90. 81.hard red spring wheat -protein content:14-15% wheat The ingredients for most breads are: flour, -high gluten content -used for making bread sugar, water, -grown in the Midwest salt, -grown as a summer annual yeast 82. 91.gluten a compound protein that is found in certain types hard red winter wheat -protein content:12-13% -high gluten content of wheat; the rising properties of bread depends on the -largest production class -used for making bread, presence of this rolls, and all-purpose flour 92.gliadin gluten is a compound of these twoproteins -grown in the Great Plains and -grown as a winter annual glutenin 83. 93. soft red winter wheat -low protein content:10- celiac Some individuals have a hereditary intolerance of 12% disease gluten called -low gluten content 94.all- this is made from either only hard wheat or a -used for pastries, cakes, purpose combination of soft and hard wheat. and crackers flour -can be used for breads, cakes, cookies, and -grown in the eastern pastries United States 95. -grown as a winter annual white this is refined whole wheat flour flour 96.refining the process of removing the bran and germs that contain nutrients 97.bleached this flour is exposed tobleaching agents such as enriched chlorine gas tocondition the gluten and whit the flour flour.The bleaching agent evaporates and does not contaminate the flour.With enriching, some nutrients are added back tothe flour. 98. 115. self-rising this flour is an all-purpose flour with salt and a 31% 3 inches depth for wheat = ______ flour leavening agent (baking powder) added Emergence 99. cake and these flours are made from white wheat and are 116.4% 4 inches depth for wheat = ______ pastry low in protein and gluten Emergence flour -used in cakes and cookies 117.oryzasativa scientific name for rice 100.bread this is made only from hard wheat.It has a high 118.rice -principal food for >50%of world flour protein and gluten content -used for making population yeast-type breads -increase in US consumption 101. gluten this is flour that is enhanced with gluten.It can -Arkansas #1 producer flour be added toother flours toenhance bread 119.long-grain rice type of rice produced in the US quality 120.China, India, Top world producers of rice 102.whole it is made from processing the whole grain Indonesia wheat including the endosperm and germ.It is typically flour darker and has higher fiber and nutrient 121.hydrophyte plant that can live in an aquatic content than refined grains environment -germinate and grow with roots 103.232,813 In 2013, How many wheat acres were underwater harvested? -Rice 104.64 In 2013, How many wheat bushels/acre were 122.respiration in rice oxygen is transported from leaves to there? roots 105.$89.4 In 2013, What was the value of wheat? -oxygen can be absorbed from the million water -need heavy textured soil tohold 106.149,838 In 2014, How many wheat acres were water harvested? 123.4.5-8.5 rice can be grown from _________ pH 107.67 In 2014, How many wheat bushels/acre were range there? 124.5.5-6.5 rice grows best from ___________ pH 108.$63.4 In 2014, What was the value of wheat? million 125.0.5-1.5 pH flooding rice raises pH by _____ pH units 109.drill seeds are placed at precise spacing and depth method -reduces seeding rate (60-75lbs/acre) 126.panicles tillers form_______ (rice) wheat -good soil-to-seed contact 127.100-150 _________ kernels (seeds) per panicle -control of seeding depth in spikelets (rice) -more uniform stands 128. 110. drilled, water- 3 ways that rice is sown broadcast scattering seeds by hand or mechanically over seeded, or broadcast methods large areas dry wheat -increased seeding rate (75-120 lbs/acre) -random seedling depth 129.drill method rice -avoid having soil clods -soil is not firmed around seeds -after flooding, clods may melt and bury seeds toodeep -can firm seed tosoil with a cultipacker -can harrow or disk seed intoground 130.broadcast water- -soil tilled prior toflooding and clods seeded rice are good tohave 111.no-till seeds are placed on undisturbed or non-tilled method soil -reduces seed drift wheat -planting straight intoother crop residue (like -dropped by airplane -seeds are soaked tomake heavier intosoybeans) -useful on erodible or wet soils and they sink tosoil upon land -may increase seeding rate by 10%in heavy 131.broadcast dry rice -seeds distributed on ground residue before flooding and disked in 112.1-1.5 A depth of about ____________ is adequate for 132.60-90lbs/acre seeding rice drill method: inches wheat 133.90-125lbs/acre seeding rice broadcast by plane: 113.95% 1 inch depth for wheat = _____ Emergence 134. 10-15 plants/ft sq seeding rice goal: 114.76% 2 inches depth for wheat = ______ Emergence 135.mar 15- apr 20 Southwest LA rice planting dates 136. apr 5- may 10 North LA rice planting dates 137. >60 degreesF Rice needs average daily temps of __________ 138. 410,902 In 2013, How many rice acres were harvested? 139. 7,568 In 2013, How many lbs of rice were per acre? 140. $490.4 million In 2013, What was the value of rice? 141. 449,362 In 2014, How many rice acres were harvested? 142. 7,541 In 2014, How many lbs of rice were per acre? 143. $492.4 million In 2014, What was the value of rice? 144. calcitic limestone only Ca 145. dolomitic limestone Ca + Mg 146. straight (must change to decimal form) fertilizer concentration for N 147. .44 fertilizer concentration for P 148. .83 fertilizer concentration for K
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