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Growth process of Silkworm, Bombyx mori
Growth process of Silkworm, Bombyx mori
2018-09-08 -
How do silkworms become silkworm moths? How many days does it take for the eggs to hatch? How many times do you have to shed your skin in your life? Four growth processes of silkworm babies
Bombyx mori, also known as silkworm, silkworm, is a common economic insect in southwest China, Jiangsu and Zhejiang, Anhui and other places, because it can spin silk and can be made into a variety of silk fabrics, how does the silkworm become a silkworm moth? How many days does it take for the eggs to hatch? You have to shed your skin several times in your life.
2020-11-11 Silkworms how to become silkworm moths eggs hatching need how many days silkworms -
Control methods of privet inchworm in garden ornamental trees
Distribution and damage of privet inchworm NaxaseriariaMotschulsky, also known as lilac inchworm. It belongs to Lepidoptera, Geometridae. Distributed in Northeast, North China, Northwest, Southwest and East China. The larvae are martyr, Beijing clove, weeping clove, lilac, Liaodong clove, white clove, privet, big leaf privet, sweet-scented osmanthus, camellia, tea, water wax, Fraxinus mandshurica and Fraxinus mandshurica. The larvae gather to feed on the leaves, often nibbling away at the leaves. The larvae have the habit of spinning and netting, and when it is serious, the net covers the tree crown.
2019-01-16 -
A detailed picture of the growth process of silkworm babies
A detailed picture of the growth process of silkworm babies
2018-09-08 -
The countryside saw the old coarse cloth again, full of memories.
The countryside saw the old coarse cloth again, full of memories.
2019-02-20 -
What to do after silkworm cocooning?
What to do after silkworm cocooning?
2018-09-07 -
How to raise young silkworms
Silkworms are abnormal insects and can spin silk when they grow to a certain extent. Is a kind of animal with high economic value, how to raise the young silkworms? How to raise young silkworms? 1. Temperature and humidity 1-2 instar suitable temperature 26-27 ℃, relative humidity 90%; therefore, 1-2 instar silkworm should be reared with total control.
2020-11-11 Young silkworms how to raise silkworms yes metamorphosis class insects growth to -
New technology of rearing silkworm scientifically
The silkworm, Bombyx mori, is a completely metamorphosed silk-spinning insect among the thermophilic animals. After four times of sleep and five instar periods of 26-28 days, the larvae ate more than 20 grams of mulberry leaves to mature silk cocoon, the cocoon was white, the weight was about 1.8-2.3g, the cocoon shell rate was 20-23%, the silk length was 1000-1400 meters, and the silk diameter was 2.63.2 points. Usually, there are 1.8-20000 silkworms in a piece of silkworm eggs, which need 50,600kg mulberry leaves and can produce 30-40kg silkworms. At present, the new scientific breeding techniques have the following five points
2019-01-16 -
How to control mites in apple trees in summer?
How to control mites in apple trees in summer? Please introduce the harm of apple tree mites in summer: first, harm symptoms 1. Hawthorn spider mite. Also known as Hawthorn red spider, it mainly harms the leaves, buds and young fruits of apple trees. When the leaves are damaged, the red spiders live in groups on the back of the leaves, spinning and pulling the net, adhering to fine soil particles and eggs.
2018-07-19 -
New technology of sericulture in greenhouse
Silkworms reproduce with eggs. When the larvae grow up, they will shed their skin and then become mature silkworms. From the mature silkworms, they begin to spin cocoons and pupate. When the pupa completes its development, it will shed its pupa skin and become an adult. After the adult worm will break the cocoon and become a moth, then mate and lay eggs.
2020-11-08 Greenhouse sericulture new technology silkworm so egg reproduction larva -
Why is rural tourism getting hotter and hotter?
With the development of agricultural technology and changes in living habits, many tools used in China's rural areas 30 or 40 years ago have been abandoned, such as ploughs for cultivated land, rice measuring buckets, unicycles, spinning wheels, and so on. Even children in rural areas are unfamiliar with these objects. In recent years
2016-01-10 Rural areas tourism why more and more hot with agricultural technology -
The processing of Lentinus edodes should keep dehydration off
The dehydrated Lentinus edodes with good commercial value has bright yellow folds, plump mushroom shape, uniform size and rich flavor. In order to produce good Lentinus edodes, it is very important to turn off dehydration. 1. Timely picking: this is the basis for ensuring the bright color of finished mushrooms. The main reason for the discoloration of Lentinus edodes in baking is the injury of the mushroom body before baking. In order to overcome this disadvantage and enhance the resistance of mushroom body to external pressure, timely picking is very important. It should be harvested when the bacterial film has been fully cracked and the bacterial cover is crimped in the shape of a gong. Do not spray water 4 hours before harvest, use "spinning mushroom method" to pick
2019-01-16 -
How much is the cocoon per jin? How to deal with silk quilt?
The cocoon is also called silkworm clothing, which refers to the silkworm cocoon, which is the capsule-shaped protective layer in the silkworm pupa stage, which includes cocoon coat, cocoon layer and pupa lining, etc., the cocoon layer can be reeled, and the cocoon coat and the reeled waste silk can be used as raw materials for silk cotton and silk spinning, etc., with high economic value, but
2020-11-11 Cocoons more less money one jin how to deal with into silk quilt -
After using the hair dryer for so many years, I found out that I used it wrong today...
Similarly, taking a shower, women are a lot more troublesome than men, also spend three to five minutes more time, men are mainly flat hair, take a shower, wipe a few times with a towel almost dry, can directly go to bed to play with the phone, a few minutes to dry...
2018-08-19 -
A course on the latest cultivation techniques of Flos Lonicerae
Flos Lonicerae is a perennial herb of Compositae, which is mainly distributed in the middle of northeast China. However, it is also a relatively long-standing traditional Chinese medicine in China, which is mainly used in the treatment of cough, asthma, phlegm and chest.
2020-11-10 Latest spin cover flower cultivation techniques methods tutorials -
Control methods of Ligustrum lucidum
Distribution: northeast China, Henan, Jiangsu, Zhejiang; Korea, Japan, Soviet Union. Harm: damage to Cunninghamia lanceolata, privet, cloves, wax, small wax. The larvae spin silk to form a net and feed in the net. The insect population often forms a large silk net, covering the whole tree, eating up the leaves, affecting the growth of the trees and causing the trees to die. Morphological features: (adult) the body length is 12ml 15mm, the wingspan is 31mi 40mm, and the body wing is white with silk luster. The outer margin of the wing has 2 pairs of black spots, which are listed between the veins and inside the veins, and the forewings have at the upper end of the middle chamber.
2019-01-16 -
Identification and control of Euonymus mandshurica
The peach leaf armyworm, commonly known as "hanging ghost", belongs to the family Lepidoptera. The larvae only have a pair of feet at the 6th ventral segment and the distal segment. As if measuring things with the fingers, it is also called inchworm. It is mainly harmful to Populus tomentosa, Euonymus, elm, poplar, willow and so on. It is a polyphagous pest. 1. Morphological characteristics and habits of adults: medium-sized moths. The wingspan is 33mm and 52mm, and the body is yellow. There are two black spots on the middle chest dorsal plate. The abdominal lateral plate and dorsal plate are all yellow. The bottom of the wing is white, upper
2019-01-15 -
Common diseases and insect pests of Robinia pseudoacacia and their control techniques
Common diseases and insect pests and control techniques of Robinia pseudoacacia, also known as Sophora japonica and Sophora pseudoacacia, is a leguminous tree native to China, with fast growth rate, strong adaptability to various types of soil, long flowering period and long flowering period.
2018-06-17 -
A common disease of Canna plantain
Canna bract disease is a serious disease mainly distributed in southern China. If it is not controlled, it will be a great loss of wealth for farmers. Therefore, understanding the characteristics and incidence of this disease will be more convenient for farmers to cultivate and control.
2018-07-01 -
Thoughts on the Reform of State-owned assets of Cofco Water Integration of 11 listed companies
Although the pilot scheme of the state-owned capital investment company of Cofco Group Co., Ltd. (COFCO) has not been made public, the relevant reform strategies, objectives and directions have basically surfaced. A few days ago, according to a management person of Cofco, as early as this day,
2016-01-10 Cofco state-owned assets reform thinking water integration 11