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Cultivation method for high yield of leaf surface bulbs of bulbel knojak underground bulbs

A cultivation method and underground ball technology, applied in cultivation, plant cultivation, horticultural methods, etc., can solve the problems of dry foliar bulbs, sparse growth of foliar bulbs, etc., and achieve slow growth, strong resistance, and promotion of dwarf and stout. Effect

Inactive Publication Date: 2016-03-16
KUNMING HANYUBAILIN AGRI TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Outsiders will feel good when they see tall konjac plants, but from the perspective of energy conservation, too much nutrients are used to grow the plants instead of accumulating on the leaf bulbs, resulting in a small number of plant leaf bulbs, no more than 10 and nearly half of the foliage corms dry out during winter storage due to insufficient dry matter content due to insufficient maturity

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0042] Select 160 plump corms with an individual weight of less than 0.50 kg to be collected and dug after the frost, and after being partially dehydrated in the sun for 3 to 4 days, put the corms on a wooden shelf in a ventilated environment and store them in layers to avoid the corms from being damaged during storage. During this period, there will be no rot phenomenon, which ensures the energy reserve of the long-leaved plants in the later stage. The most important thing in winter is to prevent the bulbs from freezing below zero (0oC) at night, and konjac should be stored in an environment with a minimum temperature of 5 degrees Celsius (0oC). Before the arrival of spring, the bulb terminal buds grow slowly. When the temperature gradually rises to 15-20 degrees Celsius (0oC) and can be maintained for 10-15 days, soak the bulb in the mixed plant growth inhibitor solution of paclobutrazol (50ppm) + uniconazole (400ppm) for 10 hours, take it out and place it Store in an envir...

Embodiment 2

[0046] Select 200 plump corms with a monomer weight of more than 1.0 kg, and place them in a warm environment (15°C-35°C) exposed to sunlight to facilitate the germination and growth of terminal buds. But once the terminal bud protrudes, it should be manually removed as soon as possible to facilitate the growth of side buds, and to bring into play the biological characteristics of the phenomenon of multi-seedling heterogeneous growth when bulbils have no terminal buds. Otherwise, paclobutrazol is still difficult to suppress the rapid consumption of nutrients from the parent by too strong terminal buds. Plant the large corms in 15-20cm deep soil pits or plant them in ridges according to the row spacing of 80×80cm. After the konjac shoots are unearthed, spray the whole plant with 100ppm paclobutrazol solution to inhibit the growth of the plants. The overgrowth of petioles results in a dwarfed plant type that favors the growth of foliage bulbs. During the growth period, sufficie...

Embodiment 3

[0049] Use 120 underground bulbs of 100g~150g as taro seeds, keep all the bulb terminal buds, the row spacing of bulbs is about 40cm×50cm, and the second seedling relay growth characteristics of the bulbs are not obvious. The spraying of chemical inhibitors should be sprayed immediately when the new seedlings emerge from the soil and spread their leaves, and the spraying concentration of chlormequat is 250-300ppm. Because the terminal buds grow very fast after emergence, the dwarfing treatment should be carried out immediately before the leaves unfold. Since the nutrients required for the growth of leaf bulbs on a single plant are relatively concentrated in a relatively short period of time, it is necessary to add enough farmyard manure and high-potassium compound fertilizers such as potassium sulfate and potassium nitrate. The amount per mu is 25-50 kg, divided into 3 —Four times in the range of 30cm around the petiole of the plant, topdress and cover with soil. The leaf bul...

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Abstract

The invention discloses a cultivation method for high yield of leaf surface bulbs of bulbel knojak underground bulbs. The cultivation method comprises the following steps of processing underground bulbs and dwarfing plants after leave expansion. Concretely, bulbel knojak underground bulbs are immersed into 40 to 80ppm paclobutrazol solution for 8 to 12 hours; then the bulbel knojak underground bulbs are taken out and stored in environment with the temperature of 15 to 35 DEG C and the humidity no more than 45%; when the day and night temperature is between 15 to 35 DEG C, the bulbel knojak underground bulbels are planted; during the primary period of konjak leafbud sprouting, sunshade is avoided and sunlight is employed for natural dwarfing of the plants; and dwarfing delayer is sprayed after the leaves are fully expanded. Azole compounds are employed for high-efficient plant growth inhibitor to dwarf and strengthen konjak plants, so fast growth of the konjak terminal bug plants in sunshade environment can be delayed and controlled and synthesis of gibberellins in parent bulbels can be restrained; plant apical meristem growth can be delayed and cell elongation speed can be decelerated; plants can be dwarfed but leaf formation cannot be affected; and nutrients in the plants can be quickly accumulated in the leaf surface bulbs.

Description

technical field [0001] The invention belongs to the technical field of plants, and further belongs to the technical field of konjac provenance cultivation and planting, and in particular relates to a cultivation method for bulbil-like konjac underground bulbs and high-yield foliage bulbs. Background technique [0002] Although China and Japan rank first and second respectively in the global konjac market share, China uses Amorphophallus konjac as a large-scale cultivated species, while Japan uses Amorphophallus konjac as the only cultivated species. According to incomplete statistics, the existing planting area in the country exceeds 130,000 hm 2 , the total output of fresh taro is about 1.3 million tons, but the annual output of konjac powder is only 25,000 to 30,000 tons. Because the cultivated species are mainly local varieties, the quality of konjac cultivated in China is seriously degraded, and no breakthrough has been made in disease-resistant varieties so far, result...

Claims

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Application Information

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IPC IPC(8): A01G1/00A01G7/06
CPCA01G7/06A01G22/00
Inventor 张东华汪庆平母海亮
Owner KUNMING HANYUBAILIN AGRI TECH CO LTD
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