CN110622805A - Sweet konjac seed propagation method - Google Patents

Sweet konjac seed propagation method Download PDF

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Publication number
CN110622805A
CN110622805A CN201910837901.9A CN201910837901A CN110622805A CN 110622805 A CN110622805 A CN 110622805A CN 201910837901 A CN201910837901 A CN 201910837901A CN 110622805 A CN110622805 A CN 110622805A
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China
Prior art keywords
seed
konjac
sweet
seeds
taro
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Chinese (zh)
Inventor
董坤
卢俊
焦亚
潘开华
杨柱琼
杨勇
黄洁
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Gold Ground Fuyuan County Konjaku Zhong Ye Co Ltd
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Gold Ground Fuyuan County Konjaku Zhong Ye Co Ltd
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Priority to CN201910837901.9A priority Critical patent/CN110622805A/en
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    • AHUMAN NECESSITIES
    • A01AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01CPLANTING; SOWING; FERTILISING
    • A01C1/00Apparatus, or methods of use thereof, for testing or treating seed, roots, or the like, prior to sowing or planting
    • A01C1/005Potato seed cutters
    • AHUMAN NECESSITIES
    • A01AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01CPLANTING; SOWING; FERTILISING
    • A01C1/00Apparatus, or methods of use thereof, for testing or treating seed, roots, or the like, prior to sowing or planting
    • A01C1/08Immunising seed
    • AHUMAN NECESSITIES
    • A01AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01CPLANTING; SOWING; FERTILISING
    • A01C21/00Methods of fertilising, sowing or planting
    • A01C21/005Following a specific plan, e.g. pattern
    • AHUMAN NECESSITIES
    • A01AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01GHORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
    • A01G22/00Cultivation of specific crops or plants not otherwise provided for
    • A01G22/25Root crops, e.g. potatoes, yams, beet or wasabi

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  • Life Sciences & Earth Sciences (AREA)
  • Soil Sciences (AREA)
  • Environmental Sciences (AREA)
  • Botany (AREA)
  • Pretreatment Of Seeds And Plants (AREA)

Abstract

The invention discloses a propagation method of sweet konjac seeds, which comprises the following specific propagation steps of selecting seed balls, selecting sweet konjac corms without diseases and damages, cutting the seed konjac into blocks, sterilizing the seed konjac, preparing soil, ridging and sowing, wherein when the seed konjac is cut into blocks, a kitchen knife is used for cutting the protruded corms connected to the seed balls to obtain 3g 3610 g of small corms 15 ~, then the knife is used for cutting the seed balls into 4 blocks from four sides around a main bud in the longitudinal direction, each block is cut into 2 blocks from the middle to obtain 8 propagation materials, and the remaining main bud is reserved as a seed.

Description

Sweet konjac seed propagation method
Technical Field
The invention belongs to the technical field of konjak propagation, and relates to a propagation method of a sweet konjak seed.
Background
Konjak is a general name of Amorphophallus Blume of Araceae (Araceae), which is called Konjac or konjaku in ancient times, and its english name Elephantfoot yam or Elephantfoot faro, which is now commonly represented by the most widely planted Amorphophallus Konjac (Konjac). The konjak planted and applied in China is mainly Konjac and white konjak containing glucomannan, which must be processed to be edible, whereas sweet Konjac (Amorphophalus sp. Groff) belongs to starch type Konjac, whose bulb is yellow, which usually grows 4 ~ 10 leaves, which can be directly eaten as vegetable, can be boiled, fried, etc., and can also be eaten fresh, and has excellent taste, and mainly in Yunnan, the propagation of Konjac can be carried out by sexual propagation and vegetative propagation, which has long sexual propagation period, high technical difficulty, and can be eaten by artificial pollination, thus the rhizome is usually adopted, the vegetative propagation coefficient is low, the vegetative propagation coefficient is not easy to depend on the propagation of Konjac, the propagation of Konjac is not easy to be managed by the slow propagation speed, the high propagation coefficient of Konjac is not easy to cause the low, the propagation of Konjac, the Konjac is not easily managed by the propagation of the sweet potato.
At present, when the sweet konjac is planted in the field, the corms which cannot be used as commercial konjac are selected as seeds, and then the seeds are sowed in furrow after the temperature rises in spring, the whole corms are used as seed konjac to breed, one corm can only breed into one seed konjac, and the efficiency is low, so that the research on the breeding method of the sweet konjac seed konjac is necessary to improve the breeding efficiency of the sweet konjac.
Disclosure of Invention
In order to achieve the aim, the invention provides a propagation method of sweet konjac seeds, which solves the problems that the propagation coefficient of sweet konjac is low, the supply is not in demand in the market and the planting technology is not scientific, so that the konjac disease is high in the prior art.
In order to solve the technical problems, the technical scheme adopted by the invention is that the sweet konjac seed propagation method comprises the following specific propagation steps:
step S1: selecting seed balls, namely selecting sweet konjak bulbs without diseases and injuries;
step S2: seed taro is cut into pieces;
step S3: sterilizing the seed taro;
step S4: soil preparation and ridging;
step S5: sowing;
step S6: in the middle management, 15 kg-20 kg of urea is applied to konjak seedlings after emergence, and 50 kg-60 kg of compound fertilizer is applied to konjak seedlings after 1 month; spraying metalaxyl, mancozeb or trichoderma and the like for 1 time every 15 days to prevent diseases; can prevent diseases such as epidemic disease, soft rot and the like;
step S7: harvesting, namely harvesting the konjac in time after the konjac is poured out, selling over 1000g of the konjac as commodity konjac, and storing under 1000g of the konjac as next-year seed konjac.
Further, in the step S1, the size of the seed ball is selected to be 500g to 1000 g.
Further, in step S2, the seed tuber dicing process includes the specific operations of:
step S1, firstly, a kitchen knife is used for cutting off the protruded corms connected to the seed balls, and 15-20 corms of 3-10 g can be obtained;
and step S2, cutting the seed balls into 4 pieces from four sides in the longitudinal direction by a knife around the main buds, cutting each piece into 2 pieces from the middle to obtain 8 pieces of propagation materials, and reserving the remaining main buds as seeds.
Further, in the step S3, the seed taro disinfection is to mix the cut wounds with plant ash, quicklime and bactericide (powder) and then plant the mixture.
Further, the mass ratio of the plant ash, the quicklime and the bactericide is 5-7: 3-4: 1 to 2.
Further, in the step S4, land preparation and ridging are performed, furrowing and ridging are performed according to 1.2m, the height of each ridge is 20 cm-30 cm, and the width of each ridge surface is 80 cm-90 cm.
Further, in the step S5, sowing is carried out in the last ten days of 4 months, ponds are dug on ridges, the distance between each pond is 30cm multiplied by 30cm, 0.5kg to 0.7kg of farmyard manure and 10g to 12g of slow release fertilizer are applied to each pond, then the seed taro is put on the ponds, and 5cm to 10cm of soil is covered on the ponds.
Further, in the step S6, in the middle management, when the weeds grow to a height of 5cm to 10cm, the weeds are manually pulled out or removed by a hoe.
When the seed ball is 500g ~ 1000g in size, the seed ball is large, more bulbs on the corm are obtained, the obtained cut block is large, and the corresponding bred seed ball is also large.
The plant ash, the quicklime and the bactericide (powder) are selected during disinfection, wherein the plant ash is easy to collect and cheap, can absorb moisture of cut wounds and has a certain bactericidal effect; the quicklime has a bactericidal effect, the bactericide is used as powder because the bactericide is easily mixed with the plant ash and the quicklime, and the bactericide is used as little as possible, and many bactericides are antibiotics and are not beneficial to food safety and environmental protection, and finally the quick lime has the following composition ratio of 5-7: 3-4: 1-2, if the component proportion is not in the range, the sterilization effect is poor, and the later-period morbidity of the konjak is high.
The method comprises the steps of applying farmyard manure 0.5kg ~ 0.7kg and slow-release fertilizer 10g ~ 12g at a pond distance of 30cm multiplied by 30cm, applying crop seeds and covering soil 5cm ~ 10cm, wherein the pond distance of 30cm multiplied by 30cm ensures that the planting amount per mu is 4000 strains ~ 5000 and 5000 strains, applying farmyard manure 0.5kg ~ 0.7.7 kg and slow-release fertilizer 10g ~ 12g at each pond is enough to provide nutrition of the konjak, is more wasted and causes fertilizer pollution, covering soil 5cm ~ 10cm and 10cm, can well keep soil moisture in the range, is beneficial to promoting konjak emergence, spraying urea 15kg ~ 20 kg/mu after the konjak seedlings emerge, applying compound fertilizer 50kg ~ 60 kg/mu after 1 month, pulling out or hoeing by hand when the konjak grows to 5cm ~ 10cm, spraying metalaxyl, zinc generation or a seed fertilizer or a fertilizer after 1 month, wherein the urea can provide quick nutrition, the konjak grows up to a high-rate, the konjak, the fertilizer is less in the early stage, the konjak growth of the konjak is too much, the fertilizer for the konjak, the fertilizer is too much, the fertilizer for the konjak, the konjak grows too late stage, the fertilizer is too much, the fertilizer for the konjak, the konjak growth of the konjak grows too much, the konjak, the fertilizer is too much, the fertilizer is.
The invention has the beneficial effects that:
1. the propagation coefficient is high, the propagation speed is high, and 20 ~ 30 seed taro can be propagated by 1 seed ball after propagation for 1 year.
2. The economic benefit is good, 5000 yuan is invested in each mu, 1000 kg ~ 1200 kg of seed taro can be produced, the income per mu is 15000 yuan ~ 18000 yuan and the income per mu is 10000 ~ 13000 yuan on average according to 15 yuan per kg.
3. The ridge-dividing cultivation is favorable for drainage, ventilation and air permeability, the konjak grows robustly, the later-stage intertillage management is more favorable, the artificial damage to the konjak is reduced, and the morbidity of the konjak is reduced.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
Fig. 1 is a schematic diagram of a small pedicle resection.
Fig. 2 is a schematic view of a four-sided dicing.
FIG. 3 is a schematic view of a four-side dicing base.
FIG. 4 is a schematic diagram of the main bud.
Figure 5 is a schematic view of the sterilization of cut pieces.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Example 1
A sweet konjak seed reproduction method comprises the following specific reproduction steps:
step S1: selecting seed balls, wherein the size of the seed balls is 500g, and 400 sweet konjak bulbs without diseases and injuries are selected;
step S2: seed taro is cut into pieces; cutting off the protruded corms connected to the seed ball with a kitchen knife to obtain 6000 corms as shown in figure 1; cutting the seed bulbs into 4 blocks from four sides in the longitudinal direction around the main buds by a knife, cutting the seed bulbs into blocks along two vertical lines as shown in figure 2, cutting the blocks along two horizontal lines, cutting each obtained 4-block bulb into 2 blocks from the middle as shown in figure 3, and cutting the bulbs into 2 blocks along the horizontal lines to obtain side-face seed taro 3200 blocks; the remaining main buds (as shown in FIG. 4) are also reserved as seeds to obtain 400 main buds of seed taro;
step S3: and (3) seed taro disinfection, namely, dressing the cut wounds of the cut small-bulb seed taro, the side-face seed taro and the main-bud seed taro with plant ash, quicklime and bactericide (powder) (as shown in figure 5) and then planting the cut small-bulb seed taro, the side-face seed taro and the main-bud seed taro, wherein the ratio of the plant ash, the quicklime and the bactericide is 7: 2: 1;
step S4: preparing soil, ridging, ditching and ridging according to 1.2m, wherein the height of each ridge is 20cm, and the width of each ridge surface is 80 cm;
step S5: sowing, namely digging ponds on ridges in ten days of 4 months, wherein the pond distance is 30cm multiplied by 30cm, 0.5kg of farmyard manure and 10g of slow-release fertilizer are applied to each pond, respectively placing one small-ball-stem seed taro, one side-face seed taro and one main-bud seed taro (wherein one small-ball-stem seed taro, one side-face seed taro and one main-bud seed taro are sequentially placed on the ridge land, marking planting areas of the three kinds of seed taros so as to facilitate later statistics), and then covering soil for 5 cm;
step S6: in the middle management, 20 kg/mu of urea is applied after the emergence of the seedlings of the konjac, and 50 kg/mu of compound fertilizer is applied after 1 month; when the weeds grow to 5cm high, the weeds are pulled out manually or the hoe is used for eradicating the weeds; spraying metalaxyl for 1 time every 15 days to prevent diseases such as epidemic disease, soft rot and the like;
step S7, harvesting in time after the konjak seedlings are poured, harvesting 200g ~ 500g of seed taro in a ridge land for planting small-bulb seed taro, 200g ~ 500g of seed taro in a ridge land for planting side-face seed taro, and 300g ~ 600g of seed taro in a ridge land for planting main-bud seed taro, wherein more than 1000g of seed taro is sold as commodity taro, and less than 1000g of seed taro is stored as next-year seed taro.
Example 2
A sweet konjak seed reproduction method comprises the following specific reproduction steps:
step S1: selecting seed balls, wherein the size of the seed balls is 700g, and 400 sweet konjak bulbs without diseases and injuries are selected;
step S2: seed taro is cut into pieces; firstly, cutting off the protruded corms connected to the seed balls by using a kitchen knife, and obtaining 6800 corms as shown in figure 1; cutting the seed bulbs into 4 blocks from four sides in the longitudinal direction around the main buds by a knife, cutting the seed bulbs into blocks along two vertical lines as shown in figure 2, cutting the blocks along two horizontal lines, cutting each obtained 4-block bulb into 2 blocks from the middle as shown in figure 3, and cutting the bulbs into 2 blocks along the horizontal lines to obtain side-face seed taro 3200 blocks; the remaining main buds (as shown in FIG. 4) are also reserved as seeds to obtain 400 main buds of seed taro;
step S3: and (3) seed taro disinfection, namely, dressing the cut wounds of the cut small-bulb seed taro, the side-face seed taro and the main-bud seed taro with plant ash, quicklime and bactericide (powder) (as shown in figure 5) and then planting the cut small-bulb seed taro, the side-face seed taro and the main-bud seed taro, wherein the ratio of the plant ash, the quicklime and the bactericide is 5: 4: 2;
step S4: preparing soil, ridging, ditching and ridging according to 1.2m, wherein the height of each ridge is 25cm, and the width of each ridge surface is 85 cm;
step S5: sowing, namely digging ponds on ridges in ten days of 4 months, wherein the pond distance is 30cm multiplied by 30cm, 0.6kg of farmyard manure and 11g of slow-release fertilizer are applied to each pond, respectively placing one small-ball-stem seed taro, one side-face seed taro and one main-bud seed taro (wherein one small-ball-stem seed taro, one side-face seed taro and one main-bud seed taro are sequentially placed on the ridge land, marking planting areas of the three kinds of seed taros so as to facilitate later statistics), and then covering soil for 7 cm;
step S6: in the middle management, 17 kg/mu of urea is applied after the emergence of the seedlings of the konjac, and 55 kg/mu of compound fertilizer is applied after 1 month; when the weeds grow to 8cm high, the weeds are pulled out manually or the hoe is used for eradicating the weeds; spraying mancozeb for 1 time every 15 days to prevent diseases such as epidemic disease, soft rot and the like;
step S7, harvesting the konjac in time after seedling falling, harvesting 6710 seed yams in a ridge land for planting small-bulb seed yams in a range of 200g ~ g, 3107 seed yams in a ridge land for planting side-face seed yams in a range of 200g ~ 500g, and 388 seed yams in a ridge land for planting main-bud seed yams in a range of 300g ~ g, wherein more than 1000g of seed yams are sold as commodity yams, and less than 1000g of seed yams are stored as next-year seed yams.
Example 3
A sweet konjak seed reproduction method comprises the following specific reproduction steps:
step S1: selecting seed balls, wherein the size of the seed balls is 1000g, and 400 sweet konjak bulbs without diseases and injuries are selected;
step S2: seed taro is cut into pieces; firstly, cutting off the protruded bulbodium connected to the seed ball by a kitchen knife, and obtaining 8000 seed tubers as shown in figure 1; cutting the seed bulbs into 4 blocks from four sides in the longitudinal direction around the main buds by a knife, cutting the seed bulbs into blocks along two vertical lines as shown in figure 2, cutting the blocks along two horizontal lines, cutting each obtained 4-block bulb into 2 blocks from the middle as shown in figure 3, and cutting the bulbs into 2 blocks along the horizontal lines to obtain side-face seed taro 3200 blocks; the remaining main buds (as shown in FIG. 4) are also reserved as seeds to obtain 400 main buds of seed taro;
step S3: and (3) seed taro disinfection, namely, dressing the cut wounds of the cut small-bulb seed taro, the side-face seed taro and the main-bud seed taro with plant ash, quicklime and bactericide (powder) (as shown in figure 5) and then planting the cut small-bulb seed taro, the side-face seed taro and the main-bud seed taro, wherein the ratio of the plant ash, the quicklime and the bactericide is 6: 3: 1;
step S4: preparing soil, ridging, ditching and ridging according to 1.2m, wherein the height of each ridge is 30cm, and the width of each ridge surface is 90 cm;
step S5: sowing, namely digging ponds on ridges in ten days of 4 months, wherein the pond distance is 30cm multiplied by 30cm, 0.7kg of farmyard manure and 12g of slow-release fertilizer are applied to each pond, respectively placing one small-ball-stem seed taro, one side-face seed taro and one main-bud seed taro (wherein one small-ball-stem seed taro, one side-face seed taro and one main-bud seed taro are sequentially placed on the ridge land, marking planting areas of the three kinds of seed taros so as to facilitate later statistics), and then covering soil for 10 cm;
step S6: in the middle-term management, 15 kg/mu of urea is applied after the emergence of the seedlings of the konjac, and 60 kg/mu of compound fertilizer is applied after 1 month; when the weeds grow to 10cm high, the weeds are pulled out manually or the hoe is used for eradicating the weeds; spraying trichoderma every 15 days for 1 time to prevent diseases such as epidemic disease, soft rot and the like;
step S7, harvesting in time after the konjak seedlings are poured, harvesting 7910 seed konjak pieces of 200g ~ 500g planted in a ridge land for planting small-bulb seed konjak, 3113 seed konjak pieces of 200g ~ 500g planted in a ridge land for planting side-face seed konjak pieces, and 389 seed konjak pieces of 300g ~ 600g planted in a ridge land for planting main-bud seed konjak pieces, wherein more than 1000g of seed konjak pieces are sold as commodity konjak pieces, and less than 1000g of seed konjak pieces are stored as next-year seed konjak pieces.
Example 4:
a sweet konjak seed reproduction method comprises the following specific reproduction steps:
step S1: selecting seed balls, wherein the size of the seed balls is 700g, and 400 sweet konjak bulbs without diseases and injuries are selected;
step S2: seed taro is cut into pieces; firstly, cutting off the protruded bulbodium connected to the seed ball by a kitchen knife, and obtaining 6600 bulbodium seed taro as shown in figure 1; cutting the seed bulbs into 4 blocks from four sides in the longitudinal direction around the main buds by a knife, cutting the seed bulbs into blocks along two vertical lines as shown in figure 2, cutting the blocks along two horizontal lines, cutting each obtained 4-block bulb into 2 blocks from the middle as shown in figure 3, and cutting the bulbs into 2 blocks along the horizontal lines to obtain side-face seed taro 3200 blocks; the remaining main buds (as shown in FIG. 4) are also reserved as seeds to obtain 400 main buds of seed taro;
step S3: and (3) seed taro disinfection, namely, dressing the cut wounds of the cut small-bulb seed taro, the side-face seed taro and the main-bud seed taro with plant ash, quicklime and bactericide (powder) (as shown in figure 5) and then planting the cut small-bulb seed taro, the side-face seed taro and the main-bud seed taro, wherein the ratio of the plant ash, the quicklime and the bactericide is 8: 2: 1;
step S4: preparing soil, ridging, ditching and ridging according to 1.2m, wherein the height of each ridge is 25cm, and the width of each ridge surface is 85 cm;
step S5: sowing, namely digging ponds on ridges in ten days of 4 months, wherein the pond distance is 30cm multiplied by 30cm, 0.6kg of farmyard manure and 11g of slow-release fertilizer are applied to each pond, respectively placing one small-ball-stem seed taro, one side-face seed taro and one main-bud seed taro (wherein one small-ball-stem seed taro, one side-face seed taro and one main-bud seed taro are sequentially placed on the ridge land, marking planting areas of the three kinds of seed taros so as to facilitate later statistics), and then covering soil for 7 cm;
step S6: in the middle management, 17 kg/mu of urea is applied after the emergence of the seedlings of the konjac, and 55 kg/mu of compound fertilizer is applied after 1 month; when the weeds grow to 8cm high, the weeds are pulled out manually or the hoe is used for eradicating the weeds; spraying mancozeb for 1 time every 15 days to prevent diseases such as epidemic disease, soft rot and the like;
step S7, harvesting in time after the konjak seedlings are poured, harvesting 6500 seed yams with 200g and ~ 500g planted in a ridge land for planting small-bulb seed yams, 2841 seed yams with 200g and ~ 500g planted in a ridge land for planting side-face seed yams, and 358 seed yams with 300g and ~ 600g planted in a ridge land for planting main-bud seed yams, wherein more than 1000g of seed yams are sold as commodity yams, and less than 1000g of seed yams are stored as next-year seed yams (compared with the embodiment 2, the seed yams are high in morbidity and few in harvested seed yams due to the fact that plant ash content is large and bactericides are few).
Example 5:
a sweet konjak seed reproduction method comprises the following specific reproduction steps:
step S1: selecting seed balls, wherein the size of the seed balls is 1000g, and 400 sweet konjak bulbs without diseases and injuries are selected;
step S2: seed taro is cut into pieces; firstly, cutting off the protruded bulbodium connected to the seed ball by a kitchen knife, and obtaining 8000 seed tubers as shown in figure 1; cutting the seed bulbs into 4 blocks from four sides in the longitudinal direction around the main buds by a knife, cutting the seed bulbs into blocks along two vertical lines as shown in figure 2, cutting the blocks along two horizontal lines, cutting each obtained 4-block bulb into 2 blocks from the middle as shown in figure 3, and cutting the bulbs into 2 blocks along the horizontal lines to obtain side-face seed taro 3200 blocks; the remaining main buds (as shown in FIG. 4) are also reserved as seeds to obtain 400 main buds of seed taro;
step S3: and (3) seed taro disinfection, namely, dressing the cut wounds of the cut small-bulb seed taro, the side-face seed taro and the main-bud seed taro with plant ash, quicklime and bactericide (powder) (as shown in figure 5) and then planting the cut small-bulb seed taro, the side-face seed taro and the main-bud seed taro, wherein the ratio of the plant ash, the quicklime and the bactericide is 6: 5: 5;
step S4: preparing soil, ridging, ditching and ridging according to 1.2m, wherein the height of each ridge is 30cm, and the width of each ridge surface is 90 cm;
step S5: sowing, namely digging ponds on ridges in ten days of 4 months, wherein the pond distance is 30cm multiplied by 30cm, 0.7kg of farmyard manure and 12g of slow-release fertilizer are applied to each pond, respectively placing one small-ball-stem seed taro, one side-face seed taro and one main-bud seed taro (wherein one small-ball-stem seed taro, one side-face seed taro and one main-bud seed taro are sequentially placed on the ridge land, marking planting areas of the three kinds of seed taros so as to facilitate later statistics), and then covering soil for 10 cm;
step S6: in the middle-term management, 15 kg/mu of urea is applied after the emergence of the seedlings of the konjac, and 60 kg/mu of compound fertilizer is applied after 1 month; when the weeds grow to 10cm high, the weeds are pulled out manually or the hoe is used for eradicating the weeds; spraying trichoderma every 15 days for 1 time to prevent diseases such as epidemic disease, soft rot and the like;
step S7, harvesting in time after the konjak seedlings are poured, harvesting 7012 seed yams which are 200g and ~ 500g in ridge land for planting small-bulb seed yams, 2543 seed yams which are 200g and ~ 500g in ridge land for planting side-face seed yams, and 306 seed yams which are 300g and ~ 600g in ridge land for planting main-bud seed yams, wherein more than 1000g of seed yams are sold as commodity yams, and less than 1000g of seed yams are stored as next-year seed yams (compared with example 3, the rate of emergence of the konjak is low and the harvested seed yams are few due to chemical injury on the konjak caused by excessively large proportion of quick lime and bactericides).
The above description is only for the preferred embodiment of the present invention, and is not intended to limit the scope of the present invention. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention shall fall within the protection scope of the present invention.

Claims (8)

1. The propagation method of the sweet konjac seeds is characterized by comprising the following specific propagation steps:
step S1: selecting seed balls, namely selecting sweet konjak bulbs without diseases and injuries;
step S2: seed taro is cut into pieces;
step S3: sterilizing the seed taro;
step S4: soil preparation and ridging;
step S5: sowing;
step S6: in the middle management, 15 kg-20 kg of urea is applied to konjak seedlings after emergence, and 50 kg-60 kg of compound fertilizer is applied to konjak seedlings after 1 month; spraying metalaxyl or mancozeb or trichoderma for 1 time every 15 days to prevent diseases;
step S7: harvesting, namely harvesting the konjac in time after the konjac is poured out, selling over 1000g of the konjac as commodity konjac, and storing under 1000g of the konjac as next-year seed konjac.
2. The method for propagating sweet konjac seeds as claimed in claim 1, wherein in step S1, the seed ball size is 500 g-1000 g.
3. The method for propagating sweet konjac seeds as claimed in claim 1, wherein in step S2, the seed konjac cutting process comprises the following specific operations:
step S21, firstly, a kitchen knife is used for cutting off the protruded corms connected to the seed balls, and 15-20 corms of 3-10 g can be obtained;
and step S22, cutting the seed balls into 4 pieces from four sides in the longitudinal direction by a knife around the main buds, cutting each piece into 2 pieces from the middle to obtain 8 pieces of propagation materials, and reserving the remaining main buds as seeds.
4. The method for propagating sweet konjac seeds as claimed in claim 1, wherein in step S3, the sterilization of the seeds is to mix the cut wounds with plant ash, calcium lime and bactericide and then plant the mixture.
5. The propagation method of sweet konjac seeds as claimed in claim 4, wherein the mass ratio of the plant ash, the quicklime and the bactericide is 5-7: 3-4: 1 to 2.
6. The method for propagating sweet konjac seeds as claimed in claim 1, wherein in step S4, soil preparation and ridging are performed, furrowing and ridging are performed according to 1.2m, the ridge height is 20 cm-30 cm, and the ridge surface width is 80 cm-90 cm.
7. The method for propagating sweet konjac seeds as claimed in claim 1, wherein in step S5, seeding is carried out in ten days of 4 months, the ridges are dug, the pond distance is 30cm x 30cm, 0.5 kg-0.7 kg of farmyard manure and 10 g-12 g of slow release fertilizer are applied to each pond, and then the seeds are placed and covered with soil of 5 cm-10 cm.
8. The method for propagating sweet konjac seeds as claimed in claim 1, wherein in step S6, when the weeds grow to 5cm to 10cm high, the weeds are manually pulled out or removed by hoe.
CN201910837901.9A 2019-09-05 2019-09-05 Sweet konjac seed propagation method Pending CN110622805A (en)

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