AGA112: Chapter 2

Propagation environment of a seedling can be manipulated by microclimatic, edaphic and

biotic factors.

• True

• False

Heat load of cuttings can be reduced using ______________

• cooling mist system

• non-LED light

• moisture sensor

• heating benches

The control measures to prevent the pest and disease are as below EXCEPT

• use mulch to minimize plant stress

• use disease seeds

• implement Integrated Pest Management (IPM)

• use sanitation practices

Propagation environment can be managed by using physical structure called ___________

• edaphic

• Rhizophere microbe

• greenhouse gases

• greenhouse

The followings are the modern systems in the greenhouse EXCEPT

• automated irrigation system

• cooling system

• temperature and humidity controller

• pipe system

Greenhouse mostly used for _______________________.

• wholesale propagation

• exhibition

• nursery for vegetable crop

Light cannot generate heat load to the cuttings.

• True

• False

The surrounding temperature for the seed to be germinated should be high.

• True

• False

An example of pest that infect crops is _____________.

• insect

• bacteria

• fungi

• protists

The followings are the examples of facilities inside greenhouse EXCEPT

• floor

• hoses

• worker

• pot