The leaves of Guanyin lotus of Araceae turn yellow and droop

Araceae Guanyinlian, also known as black-leaf taro, black-leaf Guanyin lotus, is a perennial herbaceous foliage plant in the Araceae family, which likes a warm, humid and semi-shady growth environment, and the phenomenon of yellowing and drooping leaves often occurs in the process of culture. what's the reason? I don't know what to do Let's take a look at it together.

Growth habits of Guanyinlian of Araceae

Araceae Guanyinlian prefers semi-shade, avoid strong light exposure, like warm and humid environment, the suitable temperature for growth is 25: 30 ℃, winter temperature is not lower than 15 ℃, from March to September is 22: 27 ℃, from September to next March is 16: 22 ℃, the temperature is below 15 ℃, growth stagnation is dormant. Resistant to water and moisture, the basin soil should be kept moist during the growing season, and the air humidity is 70% to 80%, which is beneficial to the growth and development of leaves. In the case of drought in the basin soil, the leaves are soft and drooping, but return to their original state soon after watering, and have a certain resistance to drought.

The leaves of Guanyin lotus of Araceae turn yellow and droop

1. Irrational watering: improper watering, too little watering and too much watering will lead to the yellowing and drooping of Guanyin lotus leaves of Araceae. Especially in the summer high temperature period, the leaf water evaporation is large, the water demand is more, and the lack of water is easy to make the leaf wilt, so it is necessary to spray water to the leaf surface frequently and keep the environment moist at the same time, but the stagnant water in the basin must be avoided, otherwise it will cause root rot.

2. Lack of nutrients: the reason for the yellowing and drooping of Guanyinlian leaves in Araceae may also be due to the lack of nutrients, which can be saved by adding mature thin fertilizer, compound fertilizer and other fertilizers in time. The quantity must be less, 2-5 grains.

3, lighting problem: after the winter, eager to go out of the room, put in a warm place to bask in the sun, temporarily unable to adapt to the abrupt climate. Or if the light is too weak for a long time, the leaves of Guanyin lotus of Araceae will turn yellow and droop, so they should be moved to a bright place in time, but avoid direct sunlight for a long time.

4. Other reasons: Guanyinlian of Araceae is placed in the environment of poor ventilation for a long time, the leaves are not cleaned with water for a long time, dust accumulation, hindering photosynthesis and other reasons will also occur the phenomenon of leaf yellowing and sagging.

Maintenance methods of Guanyinlian in Araceae

1. Temperature: Araceae Guanyinlian prefers warm, humid and semi-overcast growth environment, the suitable growth temperature is 20-30 ℃, and the overwintering temperature is 15 ℃.

2. Reproduction: Guanyinlian is commonly used for ramet propagation. Generally, when the temperature is high in spring and summer every year, the underground tuber plants with dense tillers are divided along the tuber separation place, so that each part has 2-3 plants, and then planted in the pot. At the same time, it is advisable to keep the basin soil moist and pay attention to foliar spray to facilitate the restoration of new plant growth. It can also dig out the underground tuber before the new buds grow in spring, separate the tuber segments, disinfect the wound with plant ash or sulfur powder, wrap it with water moss after slightly drying, or put it in loose soil with ventilation and drainage, so that it can grow adventitious roots and grow new buds. During this period, the substrate must not be too wet, so as not to rot the tuber. The plant can also be propagated by sowing, but the seeds are not easy to get.

3. Soil: loose and well-drained soil rich in humus should be used in Guanyin lotus pot. generally, rotten leaf soil, garden soil and river sand can be used as substrate.

4. Watering: usually during the vigorous growth period from April to September, the soil is required to be moist and the air humidity is high, and sufficient water should be given; especially in the summer high temperature period, the leaf water evaporation is large and the water demand is more, such as the lack of water is very easy to wilt the leaves, so it is necessary to often spray water to the leaves and keep the environment moist, but the stagnant water in the basin must be avoided, otherwise it will cause root rot. When the autumn temperature is below 15 ℃, the growth of Guanyinlian stagnates and shows a dormant state, and the aboveground leaves begin to wither gradually, at this time, we must try our best to reduce the amount of water, put it in a warm, dry place without wind, and keep the basin soil properly dry (only slightly wet) to survive the winter safely; if the humidity is high and the temperature is low, the tuber is very easy to rot.

5. Lighting: Guanyin lotus prefers semi-overcast, do not expose yourself to strong light. In the semi-overcast environment, the leaf color is fresh and glossy, the leaf vein is clear, the leaf color is dark green. If the light is too strong, it is easy to make the leaf color dim, until sunburn occurs, the leaf surface is rough, the leaf color is gray, the leaf vein is blurred, and sometimes burn spots occur on the leaf surface; but the light is too weak and easy to cause overgrowth, plant growth slender and easy to lodge. In the peak growth period, according to the plant growth situation, dilute liquid fertilizer should be applied 1-2 times a month, and phosphorus and potassium fertilizer should be added to make the plant stem erect and grow healthily. At the same time, it is beneficial to the growth and enrichment of a tuber and cold resistance in winter.

Note: the whole plant of Araceae Guanyinlian is poisonous, with the stem the most poisonous, itching caused by skin contact with juice, blindness caused by eye contact with juice, itching of tongue, throat, swelling, salivation, gastrointestinal burning, nausea, vomiting, diarrhea, sweating, convulsion, severe suffocation, heart paralysis and death. For general family planting, what needs to be paid attention to is the toxicity of Guanyinlian of Araceae. Try to avoid planting in families with children. Care should also be paid to prevent children and people who do not know from eating by mistake or ingesting through other channels.