Question

write difference between long day and short day plants

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Answer 1

Short-Day Plants

Short-day plants are those plants that flower when they are exposed to long periods of darkness and short periods of light. For a short-day plant to bloom, there must be less than 12 hours of daylight. The plants that bloom in the spring or later in the fall are considered short-day plants. Kalanchoe (Kalanchoe spp.) and Salvia (Salvia spp.) are two short-day plants that require at least 12 hours of darkness to bloom in the garden. Green onions (Allium cepa L.) and soybean (Glycine max) are two annual vegetables that are short-day plants. There are short-day varieties of strawberries, such as Fragaria ananassa "Camarosa" and other fruits, as well.

Long-Day Plants

Long-day plants require less darkness to generate the reaction needed for production. These plants need about eight hours of darkness to start flowering. The long-day flowers that grow well in the home garden are lettuce (Lactuca sativa), spinach (Spinacia oleracea) and petunias (Petunia x hybrida). Lettuce is classified as a long-day plant because it is during the long days of summer that the plant flowers, or bolts. A characteristic of some long-day plants, such as potatoes (Solanum tuberosum), is the formation of bulbs and tubers.

Answer 2

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HERE'S THE ANSWER ✌♥

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LONG DAY PLANTS:-

The flowering of these plants require more light than critical photoperiod.

e.g. Niger

SHORT DAY PLANTS:-

The flowering of these plants require less light than critical photoperiod.

e.g. Xanthium.

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