intraspecific Learn more about intraspecific
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How to control Robinia pseudoacacia seed wasp?
The methods to control the seed wasps of Robinia pseudoacacia are as follows: first, the seed quarantine should be strict, and the outward transportation of seeds with insects is strictly prohibited. Second, strengthen the management of mother trees and find the use of chemicals to control pests. Fumigation with 741 dichlorvos intubation fumigant during adult emergence. Spray with 80% dichlorvos EC 8 to 1000 times, 40% dimethoate EC 1000 to 1500 times, or 20% butyl EC 1500 times. Third, soaking the seeds in hot water (60 degrees Celsius) for 15 minutes can kill the intraspecific larvae, or select the seeds with 10% to 20% salt water.
2019-01-16 -
Application of Imazole on Grape
Clotrimazole is a kind of internal absorption fungicide, which can not only spray, but also soak the fruit to prevent rot, so what is the application of clotrimazole on grapes? What is the application of clotrimazole on grapes? The application of clotrimazole on grapes is to soak the fruits and keep them fresh. In a certain concentration range
2020-11-08 Anti-mildew azole in grape upper application anti-mildew yes intraspecific -
Grafting Propagation of Cornus officinalis
Grafting Propagation of Cornus officinalis
2018-06-29 -
How much is a 2020 poplar seedling? What is the best variety?
When it comes to poplars, there are still many seedling farmers planting in our country. The more popular poplar varieties in the market are Danhong poplar, Turkish poplar, 107 poplar, Jide No.1, and so on. If you want to know how much a poplar seedling costs now? Let's talk to Nongxun.
2020-11-27 2020 Poplar seedlings more less money one what varieties -
Do you know the effects of eight common algae on aquaculture and their control measures?
Common freshwater algae: Cyanophyta, Cyanophyta, Chrysophyta, dinoflagellate, Cryptophyta, Bacillariophyta, Chlorophyta, Xanthophyta. 1. Cyanobacteria Microcystis (postmortem birth.
2019-02-27 -
How to raise pig feces and culture techniques of pond horn fish
Pond: the foundation of the pond is solid, there is no leakage, the amount of water is sufficient, the water quality is good, and the area is larger. Disinfection: before stocking, the pool water should be drained and exposed for about 3-5 days, and then the pool should be thoroughly disinfected with quicklime. Model: pond horn fish can live normally in hypoxic water.
2020-11-08 Pond horn fish how breeding pig feces culture technology summary -
Cross breeding techniques of Walnut
Cross breeding techniques of Walnut
2018-07-25 -
Taxus mairei
Alias: beautiful yew scientific name: Taxusmairei (LemeeetLevl) S.Y.Hu family name: Taxaceae Taxaceae 1, tree species characteristics tree trunk straight garden full, branches and leaves dark green, evergreen all seasons, is an excellent greening tree species, wood hard and dense, sapwood light yellow, strong corrosion resistance, for special industry, precious carving materials; can operate medicinal raw material forest, extract taxol and other anti-tumor substances, for the national first-class precious protection
2019-01-16 -
The latest dogwood cultivation techniques tutorial
Dogwood alias jujube, dogwood meat, jujube skin. Cornus is a dogwood family plants. It is mainly produced in Zhejiang. Distribution in Anhui, Shaanxi, Henan, Shandong, Sichuan and other provinces. Funiu Mountain, Tianrishan Mountain and Qinling Mountains are concentrated. Vertical distribution range 250~1300 m,
2020-11-10 most new dogwood dogwood cultivation techniques methods tutorials other -
Cultivation techniques of Cornus officinalis
Cornus officinalis alias jujube, cornus meat, jujube skin. It belongs to the genus Cornus of Cornaceae. Mainly produced in Zhejiang. Distributed in Anhui, Shaanxi, Henan, Shandong, Sichuan and other provinces. The distribution of Funiu Mountain, Tianri Mountain and Qinling Mountains is more concentrated. Vertical distribution range from 250m to 1300m
2020-11-08 Planting mountain dogwood cultivation techniques mountain other famous medicine jujube -
Breeding methods of turtles in the field of turtle culture techniques
Water temperature: the suitable temperature for turtle growth is 20 ℃-30 ℃. Disease: the disease of the turtle is difficult to find only in appearance. Once it is found that the turtle has stopped eating, slow reaction, weakness of limbs and other symptoms, its condition has been serious. Therefore, we must adhere to the principle of giving priority to prevention.
2020-11-08 Land tortoise culture technology culture mode summary water temperature ground -
Present situation and Prospect of Research and Development of New Aquatic products in China
Improved varieties of aquatic products generally refer to the original species and new varieties of aquatic products with excellent economic characters and production performance. At the present stage, although the research and development of new aquatic products in China is stimulated by some favorable factors, such as policy support, technical guarantee, social demand and so on, it still faces.
2016-01-10 China aquatic products new varieties research and development current situation prospect -
What turtle is the best to keep and look good?
What turtle is the best to keep and look good?
2018-09-07 -
Cultivation techniques of Cornus officinalis
Cultivation techniques of Cornus officinalis
2018-07-05 -
Culture techniques of Grey Magpie
Culture techniques of Grey Magpie
2018-09-08 -
About Han Lan
Jian Lan Cui'e, descended from the mountain in 2006, the flower diameter is about 4cm, a new variety.
2018-03-02 -
Study on the influencing factors of sowing and Seedling raising of Nelumbo nucifera
Study on the influencing factors of sowing and Seedling cultivation of Nelumbo nucifera 1 the experimental site is located in Shishan Village, Xunzhong Town, Dehua County, Quanzhou City, Fujian Province, latitude 25 °26 °58 "N, longitude 118 °15 °18" E, located in low mountains and hills, 450 m above sea level.
2018-05-25 -
What? City life makes birds smart?
Imagine a hundred years ago in an European town, a milkman in braces placed two glass bottles of milk on the steps of a house on a bright morning, accompanied by birds. When he turned around, a group of prepared sparrows would meet bikes.
2018-06-09 -
Culture of Clarias fuscus
Culture of Clarias fuscus
2018-07-10 -
On the relationship between the flow direction and layout of "fine works" in hybrid orchids
The family heirloom, also known as the reputation of China, evolves the white art of very beautiful porcelain. I've never seen flowers before.
2018-02-24