GROWTH DEVELOPMENT CHILD
GROWTH AND DEVELOPMENT
Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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first mature roots appear
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first true leaves are on the plant
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plants are two weeks old
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seedlings are 6 inches tall
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Detailed explanation-1: -Jamie has a tray of marigold seedings she started from seed. She transplants the seedings from the seedling flat to cell packs when the: First true leaves are on the plant. Chris is interested in producing the most new plants in the shortest time period.
Detailed explanation-2: -Leaf Petiole Break off a robust leaf, trim the petiole so it is no more than an inch long, apply rooting hormone, and sink the petiole into the rooting mix. The base of the leaf blade should just touch the mix (Figure 12). Place the pot in a plastic bag in a bright spot.
Detailed explanation-3: -Germination is a stage where the plant grows from a seed. All seeds need moisture, oxygen and right temperature to germinate, or grow. When the seeds start to grow their own roots, stems, and leaves, they are often called sprouts.
Detailed explanation-4: -Asexual propagation, sometimes referred to as vegetative propagation, involves taking vegetative parts of a plant (stems, roots, and/or leaves) and causing them to regenerate into a new plant or, in some cases, several plants.
Detailed explanation-5: -Asexual propagation involves taking a part of one parent plant and causing it to regenerate itself into a new plant. Genetically it is identical to its one parent. Asexual propagation involves the vegetative parts of a plant: stems, roots, or leaves.