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Tree structure and shaping method of two branches and one stem in apple dwarfing and dense planting
Apple dwarfing dense planting two branches and one stem tree structure and shaping method 1 Apple dwarfing cultivation two branches and one stem structure 80cm above ground height 120 cm, cultivate two main branches extending between rows, the horizontal angle between the two main branches is 180 °.
2018-05-29 -
What causes the hollow of the main stem of broccoli?
What causes the hollow of the main stem of broccoli? Please introduce the prevention and control method of cauliflower main stem hollow, but does not rot, is formed due to physiological disorders. If the selection of varieties and improper planting management, resulting in plant physiological imbalance, so it will form a hollow, seriously affect the quality and commodity value of the commodity bouquet, and make.
2018-07-19 -
Occurrence and control of hollow in main stem of broccoli
Broccoli, also known as broccoli, is suitable for growing in cool climates. its products have tender texture, unique flavor and rich nutrition, especially high vitamin C content, so it is a fashionable high-grade vegetable. Lantian County mountain area due to high altitude, cool and humid summer climate, few diseases and insect pests, suitable for broccoli growth, especially.
2018-09-12 -
What are the common cultivated varieties of water lilies?
The sleeping lotus is beautiful and fragrant with big leaves. It will be open from about 12:00 to 3-4 p.m., closed after sunset and open the next day for 3-5 consecutive days. Common cultivation of water lilies are: 1, white water lilies. The flowers are white and large, 10-15 cm in diameter and 16-24 petals arranged in 2-3 rounds.
2018-12-26 -
Beware of the outbreak of cotton red leaf stem blight after heavy rain
Recently, the cotton area is generally heavy rain, for cotton after a long drought, it is easy to break out red leaf stem blight. Red leaf stem blight is a physiological disease. It starts from the growing point of the main stem or the top of the fruit branch, and generally develops from top to bottom and from outside to inside. The main stem withers to death but the anatomical vessels are achromatic. The root system is thick and short, and the fibrous root is less poorly developed. Cotton red leaf stem blight outbreak is caused by extensive cultivation of cotton fields, poor development of cotton roots, poor drainage of cotton fields, partial application of nitrogen fertilizer, vigorous growth of cotton,
2019-01-15 -
Stem blight becomes the cancer of asparagus how to control asparagus stem blight
Stem blight becomes the cancer of asparagus how to control asparagus stem blight
2018-07-14 -
Harm and control of asparagus diseases and insect pests
In recent years, with the continuous expansion of asparagus planting area, the damage degree of asparagus disease has become more and more serious, which has caused a lot of losses to the majority of bamboo shoot farmers. Asparagus diseases mainly include: stem blight, root rot, brown spot, stem blight, shoot blight and so on. The common diseases and control measures in the growth process of asparagus are introduced as follows: 1.
2018-09-13 -
What medicine did corn get stalk rot disease to use? What are the prevention methods?
Corn stalk rot is a disease caused by several pathogens alone or in combination, which mainly damages maize stems and leaf sheaths. Generally speaking, the disease part rot but no foul smell, more caused by decay fungi; accompanied by foul smell, more caused by bacteria, or by
2020-11-09 corn got stem rot disease what medicine prevention method yes -
What diseases should be prevented from planting white sesame?
What diseases should be prevented from planting white sesame? Please introduce the following diseases to be prevented in planting white sesame: first, the occurrence characteristics of main diseases. The main diseases of sesame are sesame stem blight, sesame wilt, sesame bacterial wilt, sesame blight and so on. 1. Stem blight of sesame. Sesame stem blight, also known as sesame stem blight, sesame black root.
2018-07-19 -
Biological characteristics of Angelica sinensis (2)
The main results are as follows: (1) the root growth of Angelica sinensis spans three years from sowing to physiological maturity, and the whole growth period is more than 500 days. After the seed germination, the radicle lengthens rapidly, bends downward and grows into the soil. When the main radicle extends to 3 cm, the primary lateral root begins to form, and then the secondary lateral root appears on the primary lateral root. The main root continues to thicken and elongate, and gradually becomes fleshy, forming a typical fleshy straight root with a length of 20 cm and a diameter of 0.3 cm. April of the following year
2019-01-15 -
Pruning modeling method of asparagus bonsai
Potted asparagus is favored by the general public because it is easy to grow, beautiful and generous, and absorbs toxic gases. The whole plant of asparagus is green, the stems and branches are slender but tall and straight, and the leafy branches extend horizontally like a triangle, degenerating into membranous scaly leaves, which are attached to the branches like down. Because its stems are clustered from the root.
2019-06-12 -
Confused spot blight, stem withered, green withered, withered. What does it have to do with all kinds of withering?
Spot blight, leaf blight, stem blight, vine blight, standing blight, green blight, wilt. Seeing so many "blight" diseases, do you feel that your brain has been confused? Moreover, many diseases are similar to each other in terms of symptoms. For example.
2018-05-24 -
Stem rot of Fugui bamboo
Symptom rich bamboo stem rot will cause plant death and reduce the ornamental value. Mainly from May to September, the weather is muggy, the base of the stem becomes yellow and soft, the interior of the stem will gradually turn red, and the plant will rot from bottom to top. Before planting the control methods, the excellent varieties with certain disease resistance should be selected. Pay attention to water control in peacetime
2018-10-22 -
The latest control methods of Gastrodia elata flower stem disease
Gastrodia floral stem black stem disease mainly occurs in Gastrodia elata sexual reproduction tuber and flower stem, which is an important disease of Gastrodia elata flower stem. According to etiological examination, the pathogen of Gastrodia elata flower stem black stem disease is Fusarium oxysporum. Let's take a look at Gastrodia elata flower stem disease.
2020-11-10 The latest Gastrodia elata flower stem disease prevention method black -
two。 Can be used as rootstock to graft other plants.
Leaf cactus is a primitive cactus plant, crab claw orchid arrow lotus and cactus ball can be grafted. Because of its strong cold resistance, developed root system and exuberant growth, it can often be used as rootstock for tree peony, mountain blowing and so on. However, because the stem is too thin, it is only suitable for grafting balls with small diameter. Grafting can improve the ornamental ability of plants.
2018-11-21 -
How to breed tortoise back bamboo
Potted bamboos cultivated in northern China can not keep constant temperature all the year round. Although perennial plants bloom, they are difficult to bear fruit, so they rely on stem cuttings to propagate flowers and seedlings. Most potted turtle-backed bamboos have only one stem, and the stems extend forward with the emergence of new leaves, but seldom produce lateral branches.
2018-12-31 -
Several main diseases on lily
The main results are as follows: (1) Lily leaf blight, also known as lily gray mold, is a common disease. It mainly harms leaves and can also infect stems, buds and flowers. The disease spot on the leaf is round, oval, of different sizes, light yellow to light reddish brown, waterlogged. Under warm and humid conditions, the disease spot becomes thin and brittle, light gray and translucent, which can cause the whole leaf to die; the stem becomes brown or constricted, resulting in the collapse of the plant; when the young plant is infected, the growth point of the stem and leaf becomes soft, rot and die; the flower bud appears small brown at the initial stage of damage.
2019-01-16 -
Identification and diagnosis of main diseases and pests in melons and vegetables
Identification and diagnosis of main diseases and pests in melons and vegetables
2018-07-10 -
Main diseases of lily and their control
Lily, lily belongs to lily family, perennial root plants, also known as wild lily, lily medicine. In recent years, lily planting has been seriously threatened by diseases, mainly lily leaf blight, blight, bulb base rot, virus disease, etc. These diseases often occur together, which aggravate the damage. The general incidence rate is 10%~15%, and the severe cases can reach 20%~30%. 1. Several main diseases on lily (1) Lily leaf blight, also known as lily gray mold, is a common disease. It mainly damages leaves, but also infects stems,
2019-01-16 -
How to prevent and cure pineapple stem spot mildew leaf spot?
How to prevent and cure pineapple stem spot mildew leaf spot? What harm does pineapple stem spot mildew leaf spot disease have? Please introduce the harm of pineapple stem spot leaf spot: pineapple stem spot leaf spot is a common disease, which belongs to a kind of leaf spot disease, which mainly harms leaves and affects leaf photosynthesis.
2018-07-18