Amphisarca Lists
-
Pollution-free standardized cultivation techniques of Banana
The nutrient demand of banana generally increases with the increase of leaf stage. The growth and development of banana at 18-40 leaf stage plays a decisive role in the yield and quality of banana, so this period is an important fertilizer application period for banana. This period can be divided into the middle and later stages of vegetative growth and flower bud differentiation.
2018-09-15 -
Fertilization is the key to early fruiting and high yield of loquat.
Fertilize the young trees. Young loquat trees should be fertilized 5-6 times a year. It is best to apply it once a month in the year when it has just been planted. Mix inorganic fertilizer with thinner human feces, urine or organic fertilizer, and apply 1: 1.5 kg of each plant to 25 cm around the tree. From the second year, apply shoot-promoting fertilizer before each shoot germination and spread the shoot every 15 to 20 days.
2018-09-15 -
Nutrition and fertilization techniques of Loquat
Loquat anthracnose is a fungal disease, which can harm loquat leaves, fruits and seedlings. At first, a light brown water-immersed round spot was formed on the fruit surface, and then it became a tea-brown to dark brown round or oval spot, with sunken parts, dense reddish dots, and then black dots, arranged into concentric ribs.
2018-09-15 -
Skillful management of loquat trees in winter
One is to apply winter fertilizer, control crazy striping, strong flower genes and flower organ ovary. Promotion and control, flower promotion, disinfection and activity are completed at one time. So that the fruit trees blossom, sit more fruit, protect fruit, strong fruit, stable yield and high quality. The second is to do a good job in thinning and keeping flowers. The growth of young loquat trees should allow them to expand their crown, apical flowers and.
2018-09-15 -
Technology of balanced fertilization for Loquat
According to the characteristics of fertilizer requirement, the growth of branches, roots and fruit development of loquat, the suitable fertilization period, fertilizer type, quantity and fertilization methods (pouring, hole application, furrow application or soil mulching after application, etc.) were determined. pay attention to the reasonable combination of nitrogen, phosphorus, potassium and organic fertilizer with inorganic fertilizer. (1) fertilization for young trees.
2018-09-15 -
Cultivation Techniques of Loquat for Freezing Resistance
First, the impact of freezing damage on loquat and harm loquat flowering in October to November for the "flower", the most frozen opportunities, but the growth time is long, the result is big, the quality is good;11~12 months flowering for the "two flowers", the chance of freezing is less, the growth period is shorter, but the quality is not much different from the "flower";1~2 months flowering for the "three flowers".
2018-09-15 -
Integrated control of loquat gray leaf spot
Loquat gray leaf spot is also known as "wheel spot". It is the most important disease of loquat. Encroach on branches, leaves, flowers, fruits. There are two types of acute and chronic types: chronic disease spots on the leaves, initially light brown round spots, and then connected into irregular large spots, scattered small black spots. The disease of twigs is first caused by watery browns.
2018-09-15 -
Occurrence and Control of Copper deficiency in Waxberry
Bayberry shoot blight is caused by boron deficiency, so planned boron supplementation can eliminate the harm of the disease. Spray 0.1 to 0 during the growth of bayberry. 2 Borax solution for 2 to 3 times can effectively prevent and cure the disease. Root application can also be used, with 0.3 to 0.6 kg of borax per mu for mild boron deficiency and 1.3 per mu for severe boron deficiency.
2018-09-15 -
Control methods of Myrica rubra fruit fly
In recent years, the occurrence of fruit flies reduced the yield and quality of red bayberry, which seriously affected the economic development of red bayberry. In order to explore the occurrence regularity and control techniques of bayberry fruit fly, the author has observed the pest since 2008, and now basically found out its occurrence in our county and summed up the corresponding control techniques. Fruit fly.
2018-09-15 -
Dwarfing cultivation techniques of Myrica rubra
Dongkui red bayberry is an improved variety of Zhejiang specialty, it is the largest fruit variety of red bayberry in China and even in the world, and it is one of the important bayberry variety resources in China. Dongkui bayberry fruit is very large, the ripening period of Huangyan is from late June to early July, the average single fruit weight is 25 grams, the maximum fruit weight is 50 grams. The fruit is round and purple.
2018-09-15 -
Control techniques of main pests in litchi and longan
There are more than 50 kinds of pests found in litchi and longan, among which there are 5 kinds of litchi bugs, litchi stem borer, litchi tip moth, longan wheat moth and dragon eye cheek psyllid. Among them, the first 4 kinds damage litchi and longan at the same time, and the angle cheek psyllid only damages longan. In our province to litchi bug...
2018-09-15 -
Pest control of litchi and longan in autumn and winter
First, the species and control of insect pests in autumn shoot. Autumn shoots are the fruiting branches of next year, if eaten by pests, it will seriously affect the formation of flower buds next year. Autumn shoot pests are mainly a variety of leaf-eating inchworms and leaf rollers. Among them, gall mites (felt disease) and longan horncheek wood lice are the most harmful from September to November every year.
2018-09-15 -
Problems and Countermeasures of out-of-season Longan cultivation
Potassium chlorate was first used to promote flowers in longan in Taiwan, and the out-of-season cultivation of longan in production began in Thailand. In recent years, longan production areas in our province are also trying to use potassium chlorate to promote flower cultivation of out-of-season longan, some of which have achieved certain economic benefits, but most orchards have poor or even no.
2018-09-15 -
Several common diseases and insect pests affecting the tree potential of red bayberry
Diseases and insect pests such as cancer, brown spot, leaf roll moth and pine caterpillar have great influence on the tree potential and yield of red bayberry. Prevention should be given priority to in production and comprehensive control should be carried out. In addition to taking measures such as increasing the application of organic fertilizer and potash fertilizer and clearing the garden in winter, the growing season should aim at the occurrence law of diseases and insect pests and take effective measures in time.
2018-09-15 -
Main Diseases and Control methods of Waxberry
1. Bayberry cancer disease 1. Symptoms: red bayberry cancer disease is a bacterial disease. Mainly damage the branches of 2-3-year-old fruit trees, mostly form tumors on the branches, the tumor is nearly spherical, the size is different, the cork is very hard, brown to dark brown. In general, the tumor on the branch begins to grow in early April, 7-8.
2018-09-15 -
There is a knack for grafting red bayberry seedlings.
Red bayberry seedlings generally use branch grafting, mainly cutting grafting. The scion selected the high-yielding tree with strong growth and entered the full fruit stage, and cut the 1-2-year-old branches from the periphery of the middle and upper part of the crown. Wild seeding seedlings or self-sowing trees were selected as rootstocks to sow seeds, and the seedlings were cultured after 2-3 years. The grafting of red bayberry is carried out before sprouting in spring.
2018-09-15 -
Management measures of litchi and longan from November to December
November to December is the key period and sensitive stage for the growth and development of autumn shoots, so classified management of autumn shoots must be carried out. 1. Early maturing March Red Flower Bud differentiation begins in mid-late October, and the winter shoots that germinate after that cannot become flowers and should be completely removed. 2. White sugar from western Guangdong (5158 Ling Yu 8.00 ML 0.15%), Feizixiao, etc.
2018-09-15 -
Seed Seedling raising technique of Longan
Longan, also known as round meat and longan meat, has the effect of tonifying heart, nourishing blood and calming the nerve. it is a well-known bulk medicine and food. Mainly produced in Fujian, Guangdong, Guangxi, Sichuan and Taiwan and other places. Its cultivation can be divided into two kinds: seed propagation and grafting propagation. Seed breeding techniques are introduced as follows: first, the selection of nursery.
2018-09-15 -
Control methods of longan gall mite
The damage was caused by sucking juice in the terminal buds and spikes of longan shoots, which led to the shortening of spike internodes, and the florets could not bloom and develop into bloated flowers for a long time. Guangdong fruit growers are commonly known as "ghost flowers"; the new shoots are arched claw-shaped, leaf edges curled, can not be expanded, fruit farmers call them ghost tips, especially ghost flowers can not bear fruit.
2018-09-15 -
Fruit drop, fruit cracking and prevention of longan
Scientific fertilization is required according to longan growth characteristics and annual growth results, which is the basis of early fruit, high yield and high quality of longan trees. The experiment shows that the longan orchard with 1 ton of fruit per mu applies 25 kg of pure nitrogen per year (of which the nitrogen of organic fertilizer accounts for about 40% of the total nitrogen application in the whole year). Nitrogen, phosphorus pentoxide, potassium oxide, calcium oxide,.
2018-09-15