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Author Question: What are five causes of abiotic and three causes of biotic diseases? What will be an ideal ... (Read 120 times)

jeatrice

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on: Jul 21, 2018
What are five causes of abiotic and three causes of biotic diseases?
 
  What will be an ideal response?

Question 2

Provide four examples of weeds that pose a threat to horticultural crops.
 
  What will be an ideal response?


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tjayeee

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Reply #1 on: Jul 21, 2018
Answer to Question 1

Causes of abiotic diseases: nutrient deficiencies, damage to plant parts, chemical
injuries, pollution injuries, and environmental conditions.
Causes of biotic diseases: fungi, bacteria, viruses, and mycoplasma-like organisms.

Answer to Question 2

Dandelion, Canadian thistle, field bindweed, common lamb's-quarter, Johnsongrass,
quackgrass, common cocklebur, and large crabgrass.


jeatrice

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Reply 2 on: Jul 21, 2018
Excellent

nguyenhoanhat

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Reply 3 on: Yesterday
Wow, this really help

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