PSS 138 Exam 1 Questions & Answers 2024/2025
When did plant propagation begin? - ANSWERSwith agriculture 7000-10,000 ya
where did agricultural practices begin? - ANSWERS-Northeast Africa (Egypt), Middle East (Turkey & Iraq), China, Mexico, Central and South America (Peru) - Manchu pichu
...
When did plant propagation begin? - ANSWERSwith agriculture 7000-10,000 ya
where did agricultural practices begin? - ANSWERS-Northeast Africa (Egypt), Middle East (Turkey & Iraq),
China, Mexico, Central and South America (Peru) - Manchu pichu
Agriculture includes - ANSWERS-Plant selection (usefulness)
-Plant breeding (for specific traits)
-Plant propagation (selected plants chosen to maintain their traits)
-Crop production (growing under controlled conditions for maximum yield)
-Food technology (preserving plant products as a source of food)
What is controlled during cultivation? - ANSWERSenvironmental factors, edaphic factors, biotic factors,
genetic variation
Environmental factors (sometimes)
controlled during cultivation - ANSWERS•Water (irrigation/humidity)
•Light
•Wind
•Atmospheric gases
edaphic factors controlled during cultivation. - ANSWERS•Soil/rooting medium
•Soil water
•Soil gases
biotic factors controlled during cultivation. - ANSWERS•Insects
, •Worms/Nematodes
•Arachnids
•Bacteria
•Fungi
genetic variation controlled during cultivation. - ANSWERS•Create variation through hybridizing
•Prevent variation through clonal propagation
Hybrids clonally propagated by tissue culture or division
Or hybrids produced by seed
Human Soceities involved - ANSWERSgreek and romans, theophrastus in books, pliny the elder
earliest plants domesticated - ANSWERS•Seeds
-Cereals = wheat, barley, rice
-Legumes = beans and peas
•Cuttings
-Grapes
-Figs
-Olives (Xylella fastidiosa)
-Potatoes
-Yams
-Banana
-Pineapple
•Grafting
-Apple - Eurasia
-Pear - Eurasia
-Peach - China
-Apricot - China
-Citrus - China
The benefits of buying summaries with Stuvia:
Guaranteed quality through customer reviews
Stuvia customers have reviewed more than 700,000 summaries. This how you know that you are buying the best documents.
Quick and easy check-out
You can quickly pay through credit card or Stuvia-credit for the summaries. There is no membership needed.
Focus on what matters
Your fellow students write the study notes themselves, which is why the documents are always reliable and up-to-date. This ensures you quickly get to the core!
Frequently asked questions
What do I get when I buy this document?
You get a PDF, available immediately after your purchase. The purchased document is accessible anytime, anywhere and indefinitely through your profile.
Satisfaction guarantee: how does it work?
Our satisfaction guarantee ensures that you always find a study document that suits you well. You fill out a form, and our customer service team takes care of the rest.
Who am I buying these notes from?
Stuvia is a marketplace, so you are not buying this document from us, but from seller Bensuda. Stuvia facilitates payment to the seller.
Will I be stuck with a subscription?
No, you only buy these notes for $8.99. You're not tied to anything after your purchase.