Lucky Bamboo Bottle Cultivation Methods and Brown Spot Disease Explained
The difficulty of keeping lucky bamboo is very low, and both hydroponic and soil cultivation methods are very suitable. However, do not think that because lucky bamboo is so easy to keep, you can neglect its routine care; lucky bamboo can also get sick. The editor will now give you a detailed analysis of lucky bamboo bottle cultivation methods and lucky bamboo brown spot disease. Friends who want to grow lucky bamboo well can learn from this.
Lucky Bamboo
I. Lucky Bamboo Bottle Cultivation Methods
1. Before placing in the bottle, cut off the leaves at the base of the lucky bamboo cuttings, and cut the base of the lucky bamboo into a slanted opening with a sharp knife. The cut should be smooth to facilitate the absorption of water and nutrients. Change the clean water once every 3 to 4 days. Within 10 days, do not move the position of the lucky bamboo or change its direction. After about 15 days, silvery-white fibrous roots can grow.
2. After hydroponically grown lucky bamboo has rooted, it should not be frequently changed with water; only add water promptly after water evaporates and decreases. Frequent water changes easily cause lucky bamboo leaves to turn yellow and stems to wilt.
3. After hydroponically grown lucky bamboo has rooted, apply a small amount of compound fertilizer promptly, and then the leaves will be glossy green and the stems thick and strong. If no fertilizer is applied for a long time, the lucky bamboo plant will grow thin and weak, and the leaf color will easily turn yellow. However, fertilizer should not be applied too much, to avoid "burning the roots" or causing excessive leggy growth. In spring and autumn, apply compound fertilizer once a month. According to reference materials, to prevent leggy growth in hydroponically grown lucky bamboo, do not apply chemical fertilizer; it is best to inject a few drops of brandy into the bottle about every 3 weeks, add a small amount of nutrient solution, and this can keep the lucky bamboo leaves emerald green.
4. Do not place lucky bamboo next to a television or in places where air conditioners or electric fans often blow, to avoid the leaf tips and leaf margins drying out.
Lucky Bamboo
II. Lucky Bamboo Brown Spot Disease
1. Symptoms
Brown spot disease mainly harms the leaves. When it occurs, grass-yellow wet lesions appear at the leaf margins and leaf tips. At the boundary between diseased and healthy tissue, there are light brown round or long oval to elongated lesions, parallel to the leaf veins, with symptoms especially obvious on old leaves. Lesions at the leaf margins and leaf tips are 7 to 13 cm long and 1 to 2 cm wide. In severe cases, lesions are 13 to 15 cm long and bear brown markings. Leaf lesions expand in connected patches and become brown-yellow spots. Plant growth is affected, reducing ornamental value.
2. Pathogen and Occurrence Pattern
The pathogen of this disease is a microorganism named Cercospora. It overwinters on diseased parts or diseased residues. In the spring and summer of the second year, it produces conidia that spread through wind and rain, air, and splashing water, and multiple infections and reinfections can occur. Disease is likely when humidity is high, and it can occur from the seedling stage to the adult plant elongation stage. The optimum temperature for pathogen germination is 25 to 28°C. High temperature and high humidity favor pathogen reproduction, spread, and invasion. Disease is likely in rainy spring and summer and in low-lying areas. In the Pearl River Delta, disease is more severe from April to September. In summer and autumn, during high temperature and drought, sudden thunderstorms or typhoon rainstorms can easily lead to severe disease.
3. Control Methods
(1) Keep the field and potting soil moist, pay attention to drainage during rainfall in summer and autumn, and increase the application of phosphorus and potassium fertilizers and compound fertilizer; in winter, water and fertilizer should be controlled, with moistness being appropriate, to promote dormancy, spray chemicals to kill the pathogen, or prune diseased and dead leaves and burn them in a concentrated manner.
(2) Spray chemicals for control in the early stage of disease. The agents can be selected from 50% carbendazim wettable powder 600 to 800 times solution, 50% thiophanate-methyl and sulfur suspension concentrate 600 to 800 times solution, 50% benomyl powder 800 to 1000 times solution, 50% wnning wettable powder, 70% thiophanate-methyl wettable powder 800 to 1000 times solution, 50% wnning + 37% withered stand gram wettable powder (1:1) 800 to 1000 times solution, 70% chlorothalonil + 40% daishangle (1:1) wettable powder, sprayed alternately 3 to 4 times, once every 7 to 8 days, with good control effect.
Lucky bamboo is already very widespread. We can often see it in daily life, but bottle cultivation of lucky bamboo is not so commonly seen in daily life. In fact, bottle cultivation of lucky bamboo is very easy, and it can also be grown well. If you find that your lucky bamboo is sick, you should still pay attention and treat it promptly. Even a plant with strong adaptability like lucky bamboo will die if its illness is not treated.
Control Methods for Lucky Bamboo Brown Spot Disease
Lucky bamboo (scientific name: Dracaena sanderiana), also known as bamboo dracaena, ten-thousand-year bamboo, fortune bamboo, lucky bamboo tower, bamboo tower, tower bamboo. When placed in the Wenchang position, it is also called Wenchang bamboo (usually placed as 4 stalks). It belongs to the family Liliaceae and the genus Dracaena. It is native to Cameroon in western Africa. It is a perennial evergreen herbaceous plant, mainly used as a potted ornamental plant, with high ornamental value, and symbolizes "great fortune and great profit," from which its name also comes.
After 1970, it was introduced into China in large quantities for ornamental use. It is now a common ornamental plant in China and is also quite popular in the international market.
If lucky bamboo is used as a commercial ornamental, the cultivation height should be 80~100 cm. It is mostly cultivated in gardens and nurseries. It likes shade and humidity, and its stems and leaves are thick. Its varieties include green leaves, green leaves with white edges (called silver edge), green leaves with yellow edges (called gold edge), and green leaves with silver centers (called silver center). It is mainly used as a potted ornamental plant. Its stem nodes resemble bamboo but it is not bamboo.
Lucky bamboo brown spot disease, symptoms: mainly harms the leaves. When it occurs, grass-yellow wet lesions appear at the leaf margins and leaf tips. At the boundary between diseased and healthy tissue, there are light brown round or long oval to elongated lesions, parallel to the leaf veins, with symptoms especially obvious on old leaves. Lesions at the leaf margins and leaf tips are 7 to 13 cm long and 1 to 2 cm wide. In severe cases, lesions are 13 to 15 cm long and bear brown markings. Leaf lesions expand in connected patches and become brown-yellow spots. Plant growth is affected, reducing ornamental value.Pathogen and occurrence pattern: The pathogen of this disease is a microorganism named Cercospora. It overwinters on diseased parts or diseased residues. In the spring and summer of the second year, it produces conidia that spread through wind and rain, air, and splashing water, and multiple infections and reinfections can occur. Disease is likely when humidity is high, and it can occur from the seedling stage to the adult plant elongation stage. The optimum temperature for pathogen germination is 25 to 28°C. High temperature and high humidity favor pathogen cultivation, spread, and invasion. Disease is likely in rainy spring and summer and in low-lying areas. In the Pearl River Delta, disease is more severe from April to September. In summer and autumn, during high temperature and drought, sudden thunderstorms or typhoon rainstorms can easily lead to severe disease.
Control methods:
(1) Keep the field and potting soil moist, pay attention to drainage during rainfall in summer and autumn, and increase the application of phosphorus and potassium fertilizers and compound fertilizer; in winter, water and fertilizer should be controlled, with moistness being appropriate, to promote dormancy, spray chemicals to kill the pathogen, or prune diseased and dead leaves and burn them in a concentrated manner.
(2) Spray chemicals for control in the early stage of disease. The agents can be selected from 50% carbendazim wettable powder 600 to 800 times solution, 50% thiophanate-methyl and sulfur suspension concentrate 600 to 800 times solution, 50% benomyl powder 800 to 1000 times solution, 50% wnning wettable powder, 70% thiophanate-methyl wettable powder 800 to 1000 times solution, 50% wnning + 37% withered stand gram wettable powder (1:1) 800 to 1000 times solution, 70% chlorothalonil + 40% daishangle (1:1) wettable powder, sprayed alternately 3 to 4 times, once every 7 to 8 days, with good control effect.
Control Methods for Lucky Bamboo Brown Spot Disease
Symptoms mainly harm the leaves. When it occurs, grass-yellow wet lesions appear at the leaf margins and leaf tips. At the boundary between diseased and healthy tissue, there are light brown round or long oval to elongated lesions, parallel to the leaf veins, with symptoms especially obvious on old leaves. Lesions at the leaf margins and leaf tips are 7 to 13 cm long and 1 to 2 cm wide. In severe cases, lesions are 13 to 15 cm long and bear brown markings. Leaf lesions expand in connected patches and become brown-yellow spots. Plant growth is affected, reducingornamentalvalue.
Pathogen and occurrence pattern: The pathogen of this disease is a microorganism named Cercospora. It overwinters on diseased parts or diseased residues. In the spring and summer of the second year, it produces conidia that spread through wind and rain, air, and splashing water, and multiple infections and reinfections can occur. Disease is likely when humidity is high, and it can occur from the seedling stage to the adult plant elongation stage. The optimum temperature for pathogen germination is 25 to 28°C. High temperature and high humidity favor pathogen reproduction, spread, and invasion. Disease is likely in rainy spring and summer and in low-lying areas. In the Pearl River Delta, disease is more severe from April to September. In summer and autumn, during high temperature and drought, sudden thunderstorms or typhoon rainstorms can easily lead to severe disease.
Control Methods
(1) Keep the field and potting soil moist, pay attention to drainage during rainfall in summer and autumn, and increase the application of phosphorus and potassium fertilizers and compound fertilizer; in winter, water and fertilizer should be controlled, with moistness being appropriate, to promote dormancy, spray chemicals to kill the pathogen, or prune diseased and dead leaves and burn them in a concentrated manner.
(2) Spray chemicals for control in the early stage of disease. The agents can be selected from 50% carbendazim wettable powder 600 to 800 times solution, 50% thiophanate-methyl and sulfur suspension concentrate 600 to 800 times solution, 50% benomyl powder 800 to 1000 times solution, 50% wnning wettable powder, 70% thiophanate-methyl wettable powder 800 to 1000 times solution, 50% wnning + 37% withered stand gram wettable powder (1:1) 800 to 1000 times solution, 70% chlorothalonil + 40% daishangle (1:1) wettable powder, sprayed alternately 3 to 4 times, once every 7 to 8 days, with goodcontroleffect.