1, control light to promote flowers
In the growing season, short daylight (less than 12 hours of light) treatment for 21 to 45 days can promote flowering. Under the short daylight conditions of less than 12 hours of light, the flowering is early, the flower is colorful and the flowering period is long. About 40 days before the scheduled flowering, cut off the long branches and pick up the shoots. About 20 days before the shading treatment, the leaves of the plants were sprayed with a 500x solution of chlorcholine and sprayed once every 7 to 10 days for 2 to 3 consecutive sprayings.
2, control the water to promote flowers
Under full light conditions, pouring water buds every 1 day takes 7 to 10 days earlier than watering every day. Watering flower bud formation every two days is 57 days earlier than watering every other day. The water control began 60 days ago. At the beginning, the watering was stopped for 5 to 8 days to make it dry. When the leaves were slightly wilting and the branches were slightly wrinkled each day, the canopy was sprayed with water every afternoon, and it was fully restored on the 15th day. Water, fully restored 2 to 3 days before watering, the amount of watering should be gradually increased, and the amount of watering before water control can be restored on the 4th day. After the restoration of water-controlling plants, the phosphorus and potash fertilizers can be applied in appropriate amounts, and flowering begins around 25 days.
3, the use of water to promote flower technology
For different growth conditions, the plants need different flowering cycles. For a rhododendron plant without new branches, water control can be used for flowering and flowering. The new long branches have been aged. The short-branched Bougainvillea plants need to control the water to promote flowering cycle. For the new Bougainvillea, the long-branched branches of the Bougainvillea genus (which grows sparsely and long at the top of the leg and the length of the apical buds) will need three cycles of flowering to promote flowering. After the first flowering bougainvillea, if the temperature is above 15°C, it can bloom again after a short rest at sunny places.
4, chemical treatment
When the newly emerged branches of Gum Bougainvillea are fully mature, the leaf color turns dark green, and the shoots become real-time, with 750 times liquid paclobutrazol, or 750 times liquid for a long time, or 1000 times liquid chevron, applied in the root. The potted plants were moved to a cool place and moved to a place with better light after 3 to 5 days. Planted plants were then covered with dried straw or other weeds and moisturized. After 3 to 5 days, the grass was removed. After 10 to 15 days, buds were gradually generated on the shoots. Using PP333 to plant or potted bougainvillea can promote vegetative growth to reproductive growth, differentiate more flower buds and significantly prolong florescence, control leggy, PP333 root applied to light leaf Bougainvillea, blue purple Bougainvillea, blue Bougainvillea The brick red bougainvillea works well. GA can induce the rapid growth of Bougainvillea bracteata and increase the number of total sepals and prolong the flowering period. The combined use of NAA and GA, combined use of NAA and STS can also reduce the loss of sepals and prolong the flowering period, remove leaves and use kinetin to treat trifoliate Forms stronger inflorescences and higher quality sepals. Spraying CCF, B9, GA and other growth regulators on Zambuzi can make its vegetative growth inhibited, transform into reproductive growth and produce flower buds. Add any of the above growth regulator powders into a solution with a concentration of 2000mg/L and spray on it. The surface of the leaves of the plants was sprayed once every 7 to 10 days and sprayed 2 to 3 times.
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