Bananas are parthenocarpy, usually without seeds, and they all use vegetative propagation.
First, sucking buds
Suction propagation is a common breeding method for banana cultivation. It mainly uses sword buds (red bamboo shoots) and robes for breeding. For ramets as seedlings and buds generally up to 40 cm or more.
(1) Red bamboo heads are large and small, resembling bamboo shoots and swords, and are also called sword buds. Usually it grows in November of the previous year. When the weather turns warm after the beginning of the year, the ground is exposed, and it is red. It is usually used when it is planted in March, April and May of that year. After planting is characterized by first leaves after the long root.
(2) Buds and buds of buds that grow in buds usually grow in the months of August, September, and October of the previous year. Due to drought, the cold does not last long, and the leaves turn dry in the winter. Due to the low temperature, lack of water, the upper minister is slower, the lower part accumulates nutrients, thus the nutrient is sufficient, the shape is small and large, and the root system is large. Generally, it is used during planting in March and March. After planting, the roots were firstly rooted and the leaves were drawn afterwards.
Second, tuber (bulb) reproduction
Tuber propagation is mainly a reproduction method used to cultivate a large number of sprouts in a short period of time. The use of un-flowering plants or large sucking underground stems (10-11 months sprouting) as materials, the best cutting time is from November to next January, most of them can germinate, seedling height of 40 ~ in May, June and June. 50 cm can be planted. The advantage of this method of breeding is that it can reduce pests and diseases. It has a high survival rate, growth, and neat results. The early plants reproduce more quickly than suckers and are more resistant to wind, but they have the disadvantage of low first generation yield.
In order to propagate the underground stem cuttings, first cut the underground plants, dig up the tubers, leave the stems 12 to 15 cm high, and then cut the tubers into small pieces, each weighing more than 120 grams, with a stout bud The cut surface was coated with grass and ash for preservation. Then the cuttings were placed at a distance of 15 cm and the cuttings were placed flat on the pods, with the buds facing upwards, and then covered with soil to cover the grass for fertilization management. One week before the buds are out of the nursery, the Bordeaux mixture should be sprayed with equal volumes twice to prevent leaf spot disease. If it is found that the diseased seedlings should be promptly removed and lime disinfected to prevent infection. In places where wired worms are severely punished, the black rotted cuticles outside the underground stems are scraped beforehand and soaked in hot water of 54-55°C (or 5% formaldehyde) for 20 minutes to kill nematodes and then nursed.
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