Horticultural Technology

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  • Created by: Joe
  • Created on: 22-03-15 17:53
Name all 5 spray qualities
very fine, fine, medium, coarse, very coarse
1 of 26
Name the 4 pesticide modes of action
systemic, translocated, residual, contact
2 of 26
Name all 5 spraying nozzles
standard flat, even spray flat fan, deflector, hollow cone, air inclusion
3 of 26
Vegetable oils don't dissolve in what?
water
4 of 26
Adding oil, water and an emulsifier creates what?
emulsion
5 of 26
What 2 substances is DNA made up of?
sugars, phosphates
6 of 26
What is the process called by which a solvent is removed?
distillation
7 of 26
How many carbon atoms does glycerol have?
3
8 of 26
What 2 substances can detect a carbon carbon molecule?
bromine, iodine
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What do you use to check for unsaturated oils?
bromine water
10 of 26
At what temperature does hydrogen harden vegetable oils?
60C
11 of 26
What catalyst speeds up the hydrogenation reaction?
nickel
12 of 26
Which has a higher melting point, saturated or unsaturated oils?
Saturated oils
13 of 26
What do you call parasites that benefit from a plant?
pathogen
14 of 26
What breaks down dead plant material?
saprophytic fungi
15 of 26
A plant becoming diseased has a what response?
compatible
16 of 26
A plant being resistant has a what response?
incompatible
17 of 26
What fungi has a mutual benefit for them and their plant host?
symbiotic fungi
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What response is it when a plant destroys its cells to fight a disease?
hypersensitive
19 of 26
The stem and stalk of a potato is called what?
haulm
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What reproduction is an oospore responsible for?
sexual
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What reproduction is a zoospore responsible for?
asexual
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When chemicals are mixed this is called the what effect?
cocktail
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Constant pesticide use may lead to diseases becoming?
resistant
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To calculate spraying volumes you must measure what dimensions of each row?
length, width
25 of 26
Length X width X number of rows equals what?
area
26 of 26

Other cards in this set

Card 2

Front

Name the 4 pesticide modes of action

Back

systemic, translocated, residual, contact

Card 3

Front

Name all 5 spraying nozzles

Back

Preview of the front of card 3

Card 4

Front

Vegetable oils don't dissolve in what?

Back

Preview of the front of card 4

Card 5

Front

Adding oil, water and an emulsifier creates what?

Back

Preview of the front of card 5
View more cards

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