4.02 (part 1)

Neil is sexually propagating some plants. Which plant parts will he use?

• Leaves

• Roots

• Seeds

• Stems

Hannah is hardening off some tomatoes started in the greenhouse. Which is she reducing to harden off her plants?

• Fertilizer and air

• Humidity and water

• Lime and phosphate

• Soil and fertilizer

Uneek is making leaf cuttings. She must be certain that she cuts the leaf:

• margin

• petiole

• stomate

• vein

How can Tracie reduce stress on greenhouse-produced seedlings at transplanting time before removing them from the greenhouse?

• Fertilize the seedlings more

• Harden off the seedlings

• Mist the seedling often

• water the seedlings more

If Dave has a bag of fescue that has a seed germination rate of 80%, he can expect:

• 20 out of 80 seeds to germinate.

• 20 out of 100 seeds to germinate.

• 80 out of 100 seeds to germinate.

• all seeds to germinate.

Caroline is careful to use tissue culture in laboratory conditions that are aseptic. Therefore, the laboratory environment is:

• dirty

• humid

• pretty

• sterile

Jamie has a tray of marigold seedlings she started from seed. She transplants the seedlings from the seedling flat to cell packs when the:

• first mature roots appear.

• first true leaves are on the plant.

• plants are two weeks old.

• seedlings are 6 inches tall.

Callie is propagating her African violet by taking leaf cuttings. She is confident that leaf cuttings will work because she is using:

• axillary buds

• herbaceous plants

• stem tissue

• woody plants

Jenny needs to construct some beds to use for rooting azalea cuttings. How deep should the rooting media be?

• 1 inch

• 4 inches

• 12 inches

• 24 inches

Chris is interested in producing the most new plants in the shortest time period. What is the best propagation method for him to accomplish his goal?

• Budding

• Cutting

• Grafting

• Tissue culture