Variety characteristics

Country of origin North America South Division Lupinaceae Salvia genus Perennial herbaceous flowers, often annual flowers; plants clustered; stems quadrangular, hairy, lower lignification, subglaucous; leaf pairs Born to be oblong, 3 cm to 5 cm long, grayish green, leaf surface with uneven texture, wrinkled, grayish, pungent and pungent; long spikes inflorescence, large flowers; hi warm, moist In a sunny environment, it is hardy but it is hot and dry.

The characteristics of the "Oyster Bird" pot plant height is 20 cm, the planting height is 30 cm to 35 cm, the plant shape is compact dwarf, the entire flower head is dark blue; the "discoverer" pot plant height is 35 cm, planted The height is 45 cm to 60 cm, and the spikes are blue-purple.

Sowing seedlings

About 920 seeds per gram, the general choice of 200 or 288 plug tray sowing, the medium is generally selected to import the peat peat soil or sterilized home-grown peat soil, the pH value should be 5.5 to 5.8. After sowing, it is necessary to cover a thin layer of vermiculite and then cover it with a film. The optimum germination temperature is 20°C to 23°C, and the germination days are 5 to 8 days.

Germination occurs in the first stage of germination, and roots begin to form. There is no need for fertilization at this stage, but it is very important to maintain the moisture of the nursery medium and it requires a certain amount of light. Gradually remove the film after emergence. Each week, 1000 times of chlorothalonil or tortoise is used to prevent damping-off. Spraying is continued 2 or 3 times.

The second phase of germination continues to take root, stems appear, and cotyledons have spread out. To maintain proper humidity and prevent excessive humidity, a water-soluble fertilizer with a N, P and K ratio of 20-10-20 can be properly applied.

In the third stage of germination, the root can be inserted into the hole of the plug and there are several true leaves. Increase the concentration of fertilizer, control the humidity and temperature, and reduce the temperature to about 20 °C, which requires a certain amount of light to prevent seedlings from growing at this stage.

In the fourth stage of germination, the roots are clustered and there are 2 to 3 pairs of true leaves. Continue to increase the fertilizer concentration. The temperature and humidity are the same as those in the third phase. Appropriately controlling the moisture and enhancing the ventilation still need to prevent leggy and prepare for transplanting.

Transplanting pots

When the true leaves of the plants reached 2 to 3 tablets, they were transplanted onto the pots. Generally, 12 cm to 13 cm nutrients were selected for transplanting. The substrate was selected to be porous and the ventilation was good. Organic fertilizer and compound fertilizer were also added.

The topping treatment plant leaves 4 pairs of true leaves to leave 2 pairs of true leaf toppings and trigger side branches.

Cultivation points

The temperature dropped to 18°C ​​after the basin temperature, and dropped to 15°C in a month. If the temperature is below 15°C, the leaves will yellow or fall off; when the temperature is above 30°C, the phenomenon of small mosaics and plant growth will appear.

The use of ammonium sulfate diluted 1500 times in the growing period of fertilization to change the leaf color has a good effect. Do not apply urea at low temperatures. In order to make the plant roots robust and lush, it is very important to continue fertilization. Once in half a month, use 100 mg of compound fertilizer containing calcium and magnesium.

The sun shines in a sunny environment. The hot summer season needs proper shading, and the seedling period strengthens the light to prevent leggy.

Pest Management

Insect pests Common pests of sage are white locusts, aphids, etc., and need to be actively controlled.

The common diseases of sage diseases include frost mold and leaf spot disease. When the disease occurs, it can be sprayed with 50% thiophanate WP 500 times for control.

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