CRSC231crop science s06 exam1

CRSC231crop science s06 exam1 - @ Commercial Seed...

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Unformatted text preview: @ Commercial Seed Production Name: CRSC 231 Exam I — April 21, 2006' Vocabulafl — Define the following terms. Be as concise as possible (30 points) icu tura e : l Oh ' 5C ' l W fifiggr‘pl lsj’léflnjfoyge 7L7 MSW MK w W w W 2- C Mod 1:“ _ e (th‘l’lO Y' ‘ \kml dill-6V mme m “Waggon Ol W ‘ WM/ 3. Vernallz‘a’gprrfer-ul.E-Z-~~~——mw_, . , W A ,. , s, W Wl OWL Wham 0y aCLQ/(flécfmg ~ .17 4- W‘ Mm 0r 9914;...Qflyiovnml 4. FruitTMflI ' hgmq ‘ i ,l -/ ‘“‘ (I5 5%; WM,wa WW fif UM mom 6. MedianResponse: WM mp 772 f/‘wé‘f‘m/nafé 7. OPECOCious Geer:n;t;on: m I” fl 5‘ a) l 16 5 7b 8. Thong/[P’s : ' , , -_ PP: WW? _ Q, 9. Dehlscent: ‘W ,. M, ‘ . / 10. Triélycerides 0F I ‘ a ‘ . Wmmzy w 4. Based on the table below, which 3 Seed Vigor tests would you choose to test the value of a rsubtrggigal corn hybrid seed lot? Why use a vigor test instead of a germination test? (14 Points) Table 2. Correlation coefficients between field emergence and laboratory evaluations of seed quality for subtropical corn hybrids after 12 months in storage“ Seed test Correlation coefficient 9.9'919“, V ,, .qulifieqcoldlsst .. . . H .. . . 0:757, . . ...Q99I,test . ., . ., .V ,, . 0:61 WM,me 9.0.91.9?! V. ., V ,, 0‘59 ,. ,A999'?F919999i09,. ,. . V ., 0:55", V V . Modifiesiaccelsratw aging . V . .. .955?" , . Standard germination ." = significant at the 0.05 level of probability; '"' = significant at the 0.01 level of probability. I rh‘ (Fwd 0L4 463%] 0\ _,(€ am ) I‘m/WC! My fiiwaaot fag/M in Wm W MSW % Vigor 467’ If? ' 0? a fianU/Zajzon +€$i Ur WalWShovO W'er/fld W 0776/6 gamma/“flan 46W 7 '1 (J73 WWW/W1 Wmfi‘m page W #575. H is immith i0 limit) how W W, Plaid Mi do dosage/rm Ni ' , 0Wme [mi WW A, , 7MB W W" %W’WM 7W lash/HS- ‘thos; vmovLS. gQQGL 'WMS Seed Anatomy 125 Points Total! Label the parts of the bean and corn seed (16 Points) \ A PW l W coleorhiza Contrast these two seeds from an anatomical stand point. What are the Major differences between these two classes of seeds? (9 Points) WW f s 4 Wm WWW m m , TWO fidagfg’ m??? a. 1/6261” flgcd MJ m W- mad‘wfla/Gl guts ‘ n sad \8. CL Morwcm- WW wwcrggcmg Di domng M macsva {fwd gimme W‘ H WM 47 £07 0( Wren » '5 No Class on Monday — Meet at the Crops Unit Seed Room on Tuesday! :71; M588 has as 0’ cm /./ Commercial Seed Production Name CRSC 231 Exam II — May 19, 2006 Vocabulary — Define the following terms. Be as concise as possible (30 points) ~ .5 ' ‘ A ) 7 1- CMS‘CHI/‘Pmmxa made 87‘6fo CWlW/ iWU » one m Co rsiywm 0€ Wade W m 2 pray/mes Sigh/63, mum LC ' ' M7» .Gémsead lama/(46‘ ‘55 , M/éwm {% baomaqud Mambé 4 Mam 3' Roguilgém at " “\ wimkg OWE" , 0V rm em PM) WM 04 Sag Ms MILOMM M133 d5 in “Z “ff/$6147! Pojrmw and We em W142 ’5 WW {Wm—1‘3 H3323 14; mg 4/14/67 0 / , La +661 » , WMQQ, fl 70 na/ ? WW w w w “7 6. WinnowingT‘ M \ , “km inflicqu “5’ I Mr rfv ‘afl 6’ 77% 7 “I ’“ ’ ‘” > 0qu (M ‘ m s7 Cruz/944M) mm “vi/kc flir fiacmgfijk 0r sax/7H6 Sc€d by 51% m4 m 7. Seed Storage “Rule of Thumb”: * . ' a WS femfafflfi/LK m F + Melina Lever or mum/(my: /g‘p Whé- é «S?“dMatfi"Pfimmgimm/r mac/mL Skew/(d b6) ,0 Spph wmfé flit: 66% imgf’ehmd Pm 6? SOllOl ‘HflCH' 00%]ng gig/9915*; w gala/7' a; Hiya ,3 Eng, V a\' ‘Wfilgfrfl 04V ’ 5: ‘iwpoifl j? 156 MM Work 1% . OWH A c - thmho V WW‘. 9 "Pang .17) \ 127? 10. See?DresCSliY1g k lo ‘ m ‘ “pm/’93 adde \fl WW NVWW 1:7“ 10. 11. 12. 13. 14. 15. Seed Treatments can protect the seed from: A. Surface Borne Pathogens B. Soil Borne Pathogens C. Internally Borne Pathogens D. All of the Above E. None of the Above The relationship between dry weight and moisture in seed is what? A. Direct relationship B. Inverse relationship C. No relationship D. Dependent on Environment Film Coating is : A. A protective coating used protect threshing machines - B. A special binder used to attach seed treatments to the seed C. Used to alter the shape of seed D. Special additive used to increase efficiency of the seed cleaning operation In seed production the plant population is: A. Less than commodity planting density B. Equal to commodity planting density C. Higher than the commodity planting density D. Variable with the crop and the producer Seed conditioning will separate seed by what? A. Weight B. Size C. Shape D. Color E. All of the Above The simplest form of a forced air seed dryer is : A. The continuous flow dryer B. The batch drier C. The alternating flow dryer D. All dryer systems are simple The three steps in the hand pollination (in correct order) for hybridizing tomatoes is what? (A? Emasculation : Pollination : Fertilizer B. Pollen Collection : Emas'culation : Pollination «~67 Pollination : Pollen Collection : Emasculation @. Emasculation : Pollen Collection : Pollination /® 3. Describe the underlying principal of a gravity table? What are the general principles used by this seed cleaner? What physical characteristics of the seed or of the environment ' ‘ _ within the cleaner allows for the process to work?_(8 Poi s) p . ' ‘ WM S 36% (metumk Wat/Ks thong/n (cw v j W del/Hj» TWS flbm l5 Slim-fiat hUM’M/v ‘2f W/ (M WW, Vibmfingafi BM? W 330m flu: Lass Qn<€ 89%" How: av rfia€ b m atth (tag at) gnu/wry ?LULLLW 0h vi 71493 (jets Sepercxm mm Umsh Swag MAM w m Scfigfifl we aims]? are 1;; (1' ~, 3% seeds (mach q Wt W. W a d WCW /§t be fwd/W gems have mom Wflgw Nam/Uktcn 3ng 4am panama Tim Wm” sepemees by Netgtrt Q@ #8172; 4. Name the companies visited on our field trip and their main product or service provided. (8 POintS) Sé-MS {ha/I’M v W”"C’/7€I’Y1 I‘CMS‘ mfl/ n I g, : comafim ' Se 5' WT M s us be, (I. «fi/LQ/pé do agrpnafl’HC WWW / ,Sfe’d leucersj deucl H12- 9 O 5}) W’W/ 9%? 33W: w we win; my M14 IM, .a mu pmfi/fimflgmg 443+)qbK/4f/5061 / 96M sznaMzg'FI‘s “’0 \ a, CI 5. Name three of the 5 advantages of priming which the producer/Grower will see. (6 Points) Uhlhrm' m ham?ng Wag/i d? e WWWWM W‘ fiftmmfim \ Q Wit Madame: r172 Pests Wig/N / Nah (“MW/W w magma Shoflcr {mew/@ch Wm 6. Using the figure presented below. Answer the following questions. ( 14 Points) Alfilc Non-Primed Label the figure (8 Points) ‘ E A. \lmbllfl/fimflp ]: E. A f Mm , I B. . “ / (a c. J77; G. D. W5 H. How would you explain this figure to a class of introductory agriculture students? Assume they have basic knowledge of plant growth and plant production. How does priming improve the process of plant production, given the figure? Points) . l Would Sag firm—l panama \ShQL Emmi}; ml mg mm don-cékigtm. . d 1 (gr‘ ‘ ha 80 ’\ LI ,, ,5 ,‘ r- éeedmxtpofl k. (kip C(gCtmmm‘sz s . t - é ' g héi half *fidmm h fin S“ cm Whom plan bQ mags flskr 46' mlmfion/gdlsewé’lpgst & Yl W " A? +0 . r \TQS\S%IW£O@:\th.kQ/l OWVMCC’J‘ “3‘6" ‘5 nqltt is handwrin SW l‘mws‘g Swim “a m “messed: )slchr'siq suit not up hot creel/MPW Mm g/h NC \3 Tm @0068. \ 1Wdaéms‘ TD 7mm}ch . ' a "ll/1 fl 0 wfll'c’nl. imblethW flw 0 l \Mm "P Lat/draclo t; {ma 7 Let ~ ~ \I W agéecl/Kafimfil gawk/jib Conteth W?) ‘ Short Answer 26 Points Total 1. As a hybrid seed producer you want to be sure that you produce a large quantity of high 0 quality hybrid seed, while minimizing costs. To do that you have decided to employ a sterility factor. Given self incompatibility and cytoplasmic male sterility, are available in your crop, which one would you use and why? (6 Points) \ wmld M359 my 0M3. would we f i is °+ « 65¢?anth fiefie 170+ 1‘? he Fémsi/om Eff/Eva L WW W Mme/445d [DW/x/mzfflfn and / 2. Comparing the price difference between Roger’s Attribute (Bt protected) sweetcom and 0 their conventional hybrid sweetcom, the Attribute corn is higher. Regardless of your / opinion of GMO’s, does justification for the increase cost make sense? Justify your . position? (8 pints) .1 @3 Jusfifil min on i0? mot/raised cost Moier VT 0% Sense, “YRS 869d ‘Prtduwr ASSLU'MES fHW WIN some flu? {imww {WOW became 2% WM mt Wed #72 m5 pest? 0(in Sc M seed muted )5 I'm/«mg 7Z7 maize a- Mghé/l’ FW w \HKL WO'Hfi/(fl W “FM/me wt/l Save. 30 We? “mtg? 5990C is more“ Wtflmve W“ (WW/Z7174” / <1§fi=®45mmei was mp 3a 1/ng When comm/mi? 171176245 W‘WC' Multi le Choice 2 oints Each — 30 Points { . 1. All plant undergo a form of pollination failure. Which of the following is NOT a form of pre—dispersal failure? Lost in Transport ’ B. ‘ Sterile C. Incompatibility E D. Loss to Pollen Feeders 2. Not all sexually produced annuals used in agriculture use hybridity, Why? A. All plants are hybrids B. Cost of seed production does not outweigh the potential gain from using the hybrid C. Hybrids are not possible in all plants ‘2 D. Open pollinated varieties out perform hybrids The Air Screen Cleaner uses what principle(s) to clean seed? Air Different Sized Screens Color ' A and B AB, and C Q 4. order to maximize yield and quality, what should a seed producer take into consideration? . Estimate percent mature seed vs. immature seed E” kswcom» B. Evaluate potential loss due to shatter C. Temperature, Seed Moisture, Humidity, and Planting Date (IX Find the perfect balance between mature seed and seed shatter 5. The key principles in the production of high quality seed is what? ‘ . Managing nutrients 0 Isolation . Controlling pollination D. All of the Above Q E. None of the Above 6. The more times that seed is passed through the seed cleaning process, the greater chance of what? A. Cleaner Seed B. Higher Quality Seed C. Loss of good seed . D. None of the Above i 2 7. Hand harvesting is used for : High Value Seeds For increased selectivity For higher quality seed AandB B andC 8. In cauliflower what irrigation system is the WORST to use if concerned with crown diseases? A. Furrow / Flood " B. Sprinkler C. Drip D. All are equal 0' WUOP‘; 5. Using the model below, explain how the amount of the Source material affects the final seed yield. How would the seed yield differ if the Total Phosynthate was filled only to line A vs. Line B? (14 Points) Total Photosynthate ~ Repgmosctwe 59W’CQ Humid a-Mects ‘ i i ’ "VW’ thl/C finggaésmffigfiflhg (2:6); “3&7” 141:? m 11:23 i :firsvi fepmfle/KIJC’EFL‘M ‘ ‘MWW’Ml’Z WV“ 06 W'emdl/tbfiwv SW? (gigg‘iolgm be M PNYMLM 0? a PM ‘5 ‘t’gfedomgtww_ 5W; Fwfi is wowl enough SDI/Ural, Hot 6111 o( m Wall E0 {fodmmm SLWS vow W Wyatt/Q 55 b: WW9 W W WW @me. Short Answer and Essa 45 Points Total 1. What are the different classes of Hydrolytic Enzymes found in Seeds and what compounds will the degradgjéSMPoints) Wm M $7M 5:398 o( Wire/MC Ehfigmes W WM! dorm {mg m {if meflm? M fiHOW/WMu/L fl” 2 Beginning with irnbibiti describe the KEY steps w 10 laycorn seed undergoes during the process of germination (and post- ermination). Be as complete as pov‘ible. (6 points) In 14161863:— 4% 00m 8 W98 M) WMG watcms . - 5 can and Crate/(d m a ’Posésybwng‘th? em‘mao In phase / {' yea Wfifi (WWW .3 19¢ aW/cfl/Mdé WIYT‘OIW mm W‘SLM ammomrrm- W fiBfl bow Sixth 4’0 (ii/m? WWW/'th Pm‘§€_777fC/L In W Zea/W Wmfig’bfi? 3. Compare and contract an Achene and a Caryopsis and give an example of each. (6 4 Thepomtsid hr ' a - SlS W bfih IVVM/NSGEHNL ms mam/gfmdgzma a lh’lh? atom WWW emsw can I56 remwfd W the, SQQoi 0050?. W9 SM is flawed #7) m Seed Coajr (W44 MM proficfiuf W’ W W Wmmiuf find/¥ 8% 000171er broiler) m WhiCMUiS Gm 196 ., . W ‘96 hold/I’D Ohl' ‘ ‘ amb (ii/WW “‘5‘; W45 16 W 314‘ Wkggx: W30 ...
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CRSC231crop science s06 exam1 - @ Commercial Seed...

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