seedling length Learn more about seedling length
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Effects of different cuttings length on the quality of grape self-rooted seedlings
The effect of different cuttings length on the quality of grape self-rooted seedlings at present, the methods of grape cutting in different regions of China are more or less the same, but due to the blind pursuit of seedling output and ignoring the quality of seedlings, the quality of seedlings is uneven and serious.
2018-06-09 -
Index of pear seedling coming out of nursery
Pear seedlings out of the nursery index level project first-class secondary varieties and rootstock types pure root lateral root number more than 4 more than 3 main root length more than 10 cm length of lateral root length not less than 15 cm, diastolic stem rootstock length less than 10 cm, height more than 130 cm, more than 100 cm thickness (5 cm above ground) more than 1 cm rootstock treatment rootstock stakes must be cut off There are more than 6 full buds in the plastic zone. Note: the yield of seedlings per hectare is less than 150000, and pear rootstocks in Beijing should be used.
2019-01-16 -
Eel seedlings are bred by themselves.
1. The selection and cultivation of parent eel as breeding eel requires strong physique and lively swimming. The body color should be thick black mud, yellowish brown or black flowers, green brown. According to the source of parent eel, the wound caught in cage on the same day was smaller. Monopterus Albus has the characteristics of sexual transformation. Monopterus Albus is basically female at the age of 1 and 2, the proportion of males increases gradually after spawning at the age of 2, and is basically male at the age of 6. In the non-spawning season, it is difficult to distinguish between male and female, generally based on body length and weight, with a body length of 37cm to 50cm and a body weight of 7.
2019-01-16 -
Standard of high quality seedlings of jujube
Standard of high quality seedlings of jujube
2018-07-24 -
New management technology of ginseng shading net shed
1. Selection of varieties: there are mainly two varieties of Chinese wolfberry: fine-leaf Chinese wolfberry and big-leaf Chinese wolfberry. Fine-leaf Chinese wolfberry with thick meat and strong flavor is the main variety in our city. 2. Cutting propagation: vegetable Lycium barbarum does not blossom and bear fruit, and cuttings are used to propagate every year. Protected cultivation is usually cut in the middle of September. When breeding,.
2018-07-19 -
How to distinguish the strength and weakness of bluegrass
How to distinguish the strength and weakness of bluegrass
2018-04-27 -
Cutting Seedling technique of Young shoot of Forsythia suspensa
Technology of cutting seedlings of Forsythia suspensa Maxim. Forsythia suspensa is a deciduous shrub, up to 2 meters high, with clustered branches, spreading branches, yellow branchlets, opposite leaves, ovate, 3 ~ 9 cm long, and the leaves gradually turn from light green to golden yellow. Shenyang area 4.
2018-05-30 -
Bonsai production: what are the methods of grafting seedlings?
The technique of grafting seedlings by grafting the branches of a superior variety onto the branch, stem or root of another plant to make it heal and grow into a new plant. The new plant cultivated by grafting is called grafted seedling. (1) Bud grafting in the endodermis during the growing period.
2018-05-10 -
Propagation techniques of Taxus mairei
Propagation techniques of Taxus mairei
2018-08-17 -
How to choose to kiss eel
If we want to choose the seedlings with more eggs, high fertilization rate, emergence rate and good quality, we must choose the rice field eel with a certain age, weight, strong physique, no serious disease and trauma as the parent eel. In the non-breeding season, it is difficult to distinguish between female and male eel in appearance, and usually stay on the basis of body length. Most of the ricefield eels are female when their body length is 20 cm-35 cm, and most of them are male when their body length is more than 45 cm. Under normal circumstances, you can choose to stay at 3:1 according to the above two body length groups.
2019-01-16 -
Artificial breeding technique of cultured puffer fish in early spring
In recent years, the artificial propagation technology of Fugu obscurus (puffer fish) has become more and more popular, and its seedling production level has also developed rapidly, gradually forming a new type of efficient aquaculture industry. In order to further improve the level of production technology, Bai, Changshu City, Jiangsu Province
2020-11-08 Breeding puffer fish early spring artificial reproduction technology in recent years dark stripes -
The latest course of breeding techniques and methods of Taxus chinensis
Taxus propagation techniques are mainly divided into three kinds, sexual reproduction, asexual reproduction and micro-insertion propagation. Below, we will describe these three propagation techniques in detail. A few years before the sexual reproduction of Taxus mairei, the seedling emergence rate of wild Taxus chinensis was sown with seeds.
2020-11-10 The latest yew reproduction technology methods tutorials -
Propagation method of Taxus chinensis
First, a few years before sexual reproduction, the emergence rate of wild yew seeds sown was less than 10%. Scientific research has found that the dormancy period of its seeds is as long as several years. After outdoor variable temperature storage and the use of drugs to break seed dormancy, the emergence rate can be increased to more than 70% and 80%, making it possible for the sexual reproduction of Taxus mairei to break through difficulties and to plant seedlings in large quantities. 1. Collect the mature fruit from September to October, put it in the basin, add the right amount of coarse sand and water, and put it on the plank.
2019-01-15 -
Cutting and pressing seedlings of Flos Lonicerae
Cutting and pressing seedlings of Flos Lonicerae
2018-06-29 -
honeysuckle seedling raise method
1, cutting seedlings honeysuckle cutting seedlings in spring, summer, autumn can be carried out, autumn is suitable in early September to mid-October. Nursery land should be selected flat, deep soil, irrigation and drainage convenient sandy loam or loam land. 3~5 cubic meters of decomposed organic fertilizer, calcium superphosphate or calcium phosphate are applied per mu before seedling raising.
2018-07-19 -
Bonsai grow Chinese characters? Detailed explanation of cultivation techniques of potted Chinese characters and bonsai
With the improvement of people's living standards, green potted plants of flowers are no longer limited to planting and maintenance.
2018-10-13 -
How are jujube trees grafted? Introduction of several grafting methods of jujube
Red jujube, also known as jujube, jujube, etc., is a small deciduous tree of Rhamnaceae jujube, which grows in mountains, hills or plains below 1700 meters above sea level. It is mainly propagated by ramet and grafting, and some varieties can also be sown. Grafted jujube trees are generally used for skin grafting, crackling, ventral grafting and budding.
2018-09-07 -
The bracts of Cymbidium and Cymbidium can be vernalized by a few centimeters in length.
The bracts of Cymbidium and Cymbidium can be vernalized by a few centimeters in length.
2019-09-21 -
Introduction of how to propagate Gardenia jasminoides
Introduction of how to propagate Gardenia jasminoides
2019-03-06 -
Experience of raft culture of abalone in shallow sea
1. Selection of sea area selection of sea area for abalone culture: smooth water depth, fresh water quality, no pollution, no rivers nearby, rich seaweed resources, relatively stable and medium salinity. The specific requirements are: 1. Water depth: abalone sea area, the sea water is not easy to be too shallow, the most
2020-11-08 Shallow sea raft aquaculture abalone experience one sea area