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greenhouse Manageman
Unit 8
Question | Answer |
---|---|
herbaceous, annual flowers and vegetables that lack the ability to survive freezing temperatures; bedding plants include impatiens, petunias, marigolds, tomatoes, and many other plants. | Bedding plants |
short, flattened stems that bear fleshy food storage leaves; examples of bulbs include tulip and narcissus | Bulbs |
method of disbudding that involves the pinching off of the most terminal flower bud | 3. Center bud removal |
a short, swollen, underground stem; crocus and gladiolas are corms | Corm |
plants unaffected by day length | Day neutral plant |
the mathematical difference between the day temperature and the night temperature | DIF |
the removal of flower buds to improve the overall quality of the plants | Disbudding |
tropical and subtropical plants grown for their leaves rather than for their flowers and selected for their ability to be grown indoors; they are also called houseplants | Foliage plants |
a term used to describe practices that get bulbs to grow and produce flowers | Forcing |
plants that flower as days lengthen in the summer | Long-day plant |
a plant’s response to light duration | Photoperiodism |
removal of the apical meristem; a common practice used to produce bushy, well-branched crops | Pinching |
plants grown in pots for their showy flowers; some popular potted flowering plants are poinsettias, chrysanthemums, cyclamen, and african violets | Potted flowering plants |
plants that will begin to flower naturally in the fall when the day lengths get shorter | Short-day plant |
term used to describe a temperature requirement that produces a plant response | Thermoperiodism |
an underground stem that lacks a dry leaf covering and basal plate | Tuber |
a physiological process whereby a period of cold temperature is required for flowering | 1Vernalization |