The following are photographs of weeds obtained from the farm.

      

The following are photographs of weeds obtained from the farm.

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i) Identify the weeds

ii) State one major disadvantage of weed labeled A

iii) Give two reasons why weed C is difficult to control.

iv) State one economic importance of the weed labeled (B) to human beings

  

Answers


Martin
i)
- Oxalis latifolia (oxalis)

- Amarantus hybridus (pigweed)

- Cyperus rotundus (nut grass)

- Thorn apple (Datura stramonium)

ii)Acts as an alternative host for rust disease

iii)Has underground structures called rhizomes that propagate vegetatively

iv)Used as a source of food
marto answered the question on September 13, 2019 at 06:44


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