Traditional Culture Encyclopedia - Weather forecast - Why are the tips of my leaves all yellow?
Why are the tips of my leaves all yellow?
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Phyllostachys pubescens, alias: Phyllostachys pubescens, Dendrocalamus latiflorus, Latin name: Phyllostachys pubescens. Gramineae, Phyllostachys pubescens is a perennial herb, the stem can be 6 meters high and 3 centimeters thick, and the young stem has white powder and sparse pilose; Internodes are 30 cm long and the wall thickness is 3-5 mm; The rod ring is flat in the thicker rod, which is as high as the reed ring, but obviously bulges in the thinner rod, which is higher than the reed ring. Therefore, it has good ornamental value. Phyllostachys pubescens has good toughness, the cultivated Phyllostachys pubescens is thick and straight, and the joints are straight, which is suitable for compiling various living and production appliances. The famous bamboo mat in Yiyang, Hunan Province is made of this variety. Bamboo shoots are used for eating.
Morphological characteristics: the stem can be 6 meters high and 3 centimeters thick, and the young stem has white powder and sparse pilosity; Internodes are 30 cm long and the wall thickness is 3-5 mm; The rod ring is flat in the thicker rod, which is as high as the reed ring, but obviously bulges in the thinner rod, which is higher than the reed ring. Internodes about 5 mm long; The branching angle is so large that it develops nearly horizontally. The back of sheath is dark green with purple (green on small bamboo shoots), without spots, covered with white powder, hairless or sparse short hair, with white or light brown cilia at the edge; Ears are small, but obviously visible, lavender, oval or oblong, sometimes short sickle-shaped, with several purple hairs on the edge. There may be no ear and sheath hairs or only a few fine hairs on the small sheath. The tongue is low, slightly concave or even slightly arched, with short white fiber hairs on the edge; The petals are erect, triangular to long and narrow, green, cyan or purplish red, and the back is boat-shaped.
Growth habit: Bambusa bambusa likes warmth, humidity, ventilation, light transmission and shade resistance, and avoids exposure to the hot sun. In a sunny environment, it is semi-cloudy and not cold-resistant. It can survive the winter in the open field in East China with a little protection, and the requirements for soil are not strict, and fertile and slightly sticky soil is suitable. It grows on river banks, bushes or rock slopes near lakes. Phyllostachys pubescens likes warm, humid and humus-rich cohesive soil, which is resistant to shade and cold, and the temperature in winter is not lower than 5℃.
Distribution: Phyllostachys pubescens is native to India and Indonesia, and is cultivated in northern and southern provinces of China. Widely distributed in the south of the Yangtze River basin and in the wild mountain area of Dongshan, Hubei Province. Bamboo is widely distributed in forests, great lakes in grassland areas and swamps on the edge of rivers. There are many kinds of farmhouses in counties along the Yangtze River, such as Qichun, Huangmei and Xishui, which are often used for potted viewing or flower arrangement and leaf cutting.
Main value: Bamboo is a treasure, which is not only one of the industrial raw materials, but also widely used. Bamboo shoots are tender and sweet, bamboo woven utensils and handicrafts are beautiful and durable, and bamboo oil and bamboo charcoal can be produced after burning. Bamboo oil has a strong fragrance and can be used as a component of cosmetics. Bamboo charcoal is used for heating, ironing and building coatings. Bamboo has many medicinal values. Phyllostachys pubescens has good toughness, the cultivated Phyllostachys pubescens is thick and straight, and the joints are straight, which is suitable for compiling various living and production appliances. The famous bamboo mat in Yiyang, Hunan Province is made of this variety. Bamboo shoots are used for eating.
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