How to disinfect and germinate the konjac species?

First, the konjac species breeding method

1, soaked with 10 million units of agricultural streptomycin water 50 kg soaked 1 hour after the removal of drying 1 to 2 days.

2. Immerse 20-30 minutes with 40% formalin at 1:200-250 dilution.

3. Soak the seeds with 1% copper sulfate aqueous solution for 5 minutes.

4, soaked with 0.05% potassium permanganate solution for 10 minutes, remove and air drying 1 to 2 days.

5. Use thiophanate-methyl or carbendazim to disinfect the seed coat powder. The dosage is 2% to 3% of the weight of the seed pod, and the filler is mixed with the ash. After soaking, remove the damp and wrap the powder. ?

6. Put the seed bud upwards on the ground, spray and disinfect, 50% carbendazim water solvent, 500 times liquid, spray 150 ml per square meter, or use 50% thiophanate-methyl 400 times liquid 150 to 200 The amount of ml/m2 sprays the main bud and the surrounding area. The potion is only used when it is used.

All soaking should be careful not to be mixed with disease and seed soaking, so as not to spread disease.

One of the above six methods must be used. After the pesticide is soaked and sterilized, the pods are removed and allowed to sow before drying. For diseased species, seed dressings can be applied on the basis of soaking. The dressing ingredients are 80% ash, 19% quicklime, and 1% carbendazim. The method is soaking the seeds, soaking the seeds when the moisture is not yet dry.

Second, konjac seed germination method

The konjac seed germination method is 15 days to 20 days before the general planting period. The sterilized seed pods are kept at a temperature of 15 DEG C. to 25 DEG C. in a hotbed, a cooling bed, and a thin film. The pods are buried in loose soil to maintain the humidity. . The buds grow about 1cm to grow. Carefully prevent the sunny weather from heating up the seeds and buds. The film or bed cover must be promptly opened to ventilate and cool down. After the sunshine in the afternoon is weakened, the temperature drops again.

Or in the first month before the next species, the bulbs are placed in a dry room with good ventilation conditions at 13~20°C.

According to the experimental observation, the germinated pods emerged 8 to 12 days earlier than the ungerminated ones, and the yield increased by 2% to 4.17%.

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