Amphisarca Lists
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Control of Cerococcus chinensis
(1) Artificial brushing of insect sources, using winter and early spring in March of the following year, scraping insects on branches with a stiff brush, and collecting and killing. Tree branches such as snow, fog and steam frozen and thick ice ridge, can directly hit the branches shock off ice, insects will shock off. (2) Protection and utilization of natural enemy resources: the insect has many natural enemies, and the predatory red-spotted ladybug can prey on thousands of the insect in its life. The larvae of Pterochalcis longissima can parasitize the insect and feed on scale eggs. The larvae of P. longispinus can parasitize the abdomen of this insect and feed on scale eggs. (3) Chemical control:
2019-01-16 -
Zhongai 33, a New dwarf Peach Variety
Zhongai 33 is a new extremely dwarf early maturing peach variety successfully cultivated by Zhengzhou Fruit Tree Research Institute of Chinese Academy of Agricultural Sciences. According to the cultivation observation in the High-tech Agricultural Park of Hebei Tiangong Industrial Company, the fruit of the 3-year-old high-yield tree is 50 cm ~ 60 cm high, the branch spread 60 cm × 80 cm, and the stem circumference 9.7 cm. The tree is strong and the crown is compact. Leaf blade 3.8 cm × 20.4 cm, dark green. The internodes are very short, the new shoots are stout, the flower is easy to form, the amount of pollen is large, the fruit setting rate is high, and the yield is high. Fruit in open field in mid-June
2019-01-16 -
Cultivation techniques of Peach trees
Peach trees are generally put into production in the third year and prolific in the fourth year, with a yield of 3500 jin per mu, with an annual investment of 1000 yuan (including land rent of 400 yuan), a yield of 5200 yuan per mu and a profit of 4200 yuan per mu. The main varieties and cultivation techniques are as follows:
2019-01-16 -
Cili
It originated in Chiping, Shandong Province. Shandong is the most cultivated, and Hebei, Shanxi, Shaanxi and Liaoning also have a small amount of cultivation. It is a high-yield and high-quality variety. The fruit is large, with an average weight of 227 grams per fruit. Fruit fusiform, raised on one side of the pedicel depression. Fruiting pedicel long, sepals deciduous or residual. The pericarp is yellowish green when harvested, and turns green and yellow after storage. The fruit surface is rough, the fruit spot is large, and the appearance is not very beautiful. The flesh is yellowish white, the meat is tender and juicy, and the taste is thick and sweet, containing 14.1% of soluble solids, 7.71% of soluble sugar and 0% titratable acid.
2019-01-16 -
A New very late ripening flat Peach Variety-Ruili 21
The fruit is flat, round and uniform in size. the average single fruit weight is 236g and the maximum fruit weight is 294g. The fruit top is concave, basically indehiscent; the suture line is shallow, the stem depression is shallow. The pericarp background color is yellow and white, and the fruit surface is 1x3xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx. The flesh is yellow and white, the flesh is thicker at one end of the suture, there is no red silk under the skin, and it is red near the nucleus. Hard solute, more juice, less fiber, sweet wind, hard, containing 13.5% soluble solids. The stone is small and sticky. It sprouts in late March, blossoms in mid-April and ripens in late September.
2019-01-16 -
Introduction of almond varieties and cultivation techniques
First, the introduction of excellent new varieties of almond, almond is classified according to the thickness of its shell, which can be divided into: 1. Thin shell almond: the shell is as thin as paper, with a thickness of 0.06 mi 0.10 cm, it is easy to break the shell with one hand, and the kernel rate is more than 50%. two。 Soft shell almond: shell thickness 0.1l-0.15 cm, kernel yield 40% Mel 50%. The fruit shell structure has spongy tissue and beautiful appearance. Although the fruit shell is thick, it can be crushed with both hands. 3. Standard shell tonsils: shell thickness 0.26mur0.2
2019-01-16 -
Apricot plum (prunus mume var.bungo)
Apricot plum (Prunusmumevar.bungo), also known as sour plum and plum apricot, is suitable for a wide range and has a long history of cultivation in China. Professor Yu Dejun, a Chinese fruit tree taxonomist, believes that apricot plum belongs to Li Shukou and is the natural hybrid offspring of apricot and plum. In the long-term cultivation process, many excellent varieties have been selected in China. These varieties have strong cultivation, stress resistance and early high yield, and have stable yield, good fruit quality, correct fruit shape, sweet and sour palatability, nutritional value and economic value.
2019-01-16 -
Development of Golden Sun Apricot Jam
Golden Sun Apricot is an European apricot variety introduced by Shandong Fruit Research Institute in 1993. The fruit has a smooth surface, golden background, red color on the sunny side, very attractive fruit color, yellow pulp, delicate and succulent flesh, less fiber, 14.7% soluble solids, 13.1% total sugar, 1.1% titratable acid, an average fruit mass of 70g, a seedless fruit, and an edible rate of 96.8%. The fruit matured at the end of May and has the ability of white flower fruiting. Early fruit, high yield, stable yield, and resistance to diseases and insect pests, strong adaptability. In view of Mrs. Kim
2019-01-16 -
Round yellow pear
Yuanhuang pear is a new mid-ripe pear variety bred by the Korean Horticultural Research Institute using the cross between Zaoshengchi and Wansanji. It is the best quality pear variety in Korea. It was introduced into China in 1998. The trial planting in various places shows that this variety has the advantages of large fruit shape, good quality, high yield, disease resistance and easy management, and is suitable for large area development. It is a high-grade fruit for export to earn foreign exchange. In recent years, it has become the leading pear product in the fruit markets of Japan, South Korea and Southeast Asia. The variety has strong tree potential and sprouting ability, medium branching ability and half-open branches.
2019-01-16 -
Cultivation techniques of High yield and High quality of Kernel Apricot
First, the choice of garden. Kernel apricot trees can grow and bear fruit in the areas where the altitude is 100-1800 m, the frost-free period is 100-220d, the extreme minimum temperature is lower than-34.7℃, the extreme maximum temperature is higher than 43.3℃, and the annual rainfall is ≥ 35mm. However, due to the early flowering period of apricot trees, it is generally not suitable to plant apricot trees in areas where frost occurs frequently and seriously. The garden should be selected in areas where the soil, air and water are free from pollution, requiring the thickness of the soil layer to be more than 50 cm and the content of soil organic matter.
2019-01-16 -
New trend of Peach Variety Development in China
The development trend of the market has the following characteristics: White flesh peach still accounts for the mainstream in the cultivation of peach in China, white flesh honey peach accounts for more than 70%. Now the market is mainly "Feicheng peach", "May fresh", "spring bud", "rain flower dew", "sand early birth", "Baifeng", "Dajiubao" and so on. Due to the influence of many factors, such as fruit flavor, high yield, storage and transportation, cultivation area and so on, the market price of these varieties has decreased greatly in recent years. With the introduction of some new varieties, the garden is mainly built with large fruits at present.
2019-01-16 -
Introduction of excellent varieties of fresh apricot
There are some excellent varieties of apricot all over the country. Fresh apricot generally requires large fruit, bright color, thick and juicy meat, sweet taste or moderate sour and sweet. (1) Red lotus apricot: it is a fresh variety, which mainly produces Licheng and Changqing in Shandong Province. The tree is strong, open and adaptable. The fruit growth period is 50ml 56 days, and it matures in the middle and late May. It is the earliest mature variety with high price and high profit. The fruit is oval, with a single fruit weight of 45 grams and a maximum fruit weight of 70 grams. The pericarp is orange-red with flaky blush on the sunny side.
2019-01-16 -
20th century pear
It originated in Japan. There are a small number of plants in Liaoning, Hebei, Zhejiang, Jiangsu and other provinces in China. This variety can be cultivated in the south. The fruit is medium and large, with an average weight of 136 grams per fruit. The fruit is nearly round and neat. Fruiting pedicel long, sepals deciduous, sometimes persistent. The pericarp is green and turns green and yellow after storage. The heart of the fruit is medium-large, the flesh is white, the flesh is crisp, juicy and sweet. Contains 11.1% soluble solids 14.6%. The fruit is not resistant to storage and can be stored for about a month.
2019-01-16 -
Identification and Control of Myzus persicae
Myzus persicae is very harmful, adults and nymph gather on the back of leaves and young shoots to absorb sap, the injured leaves are irregularly curled to the back, affecting the growth of new shoots of peach trees and spreading viruses. Myzus persicae can harm more than 300 species of plants and is one of the most difficult pests to treat. Winged viviparous female aphids are green, yellow-green, brown and auburn, different colors depending on host; wingless viviparous female aphids are green, yellow-green, apricot yellow and auburn; nymph is small and light red; eggs are mostly laid on the branches, axils and twigs of host
2019-01-16 -
Cultivation period and method of Taiwan Indian jujube
The first period is usually planted in February-March (the frost-free area in the south can be planted earlier in December-February), the survival rate is high, the growth is good, and can blossom and bear fruit in the same year. After the fruit was harvested in the following year, the fine varieties were grafted from February to March. (2) the appropriate dense planting density can be as follows: (1) 3m × 4m ·666.7m ~ 2 55 plants, (2) 3m × 5m × 5m ~ 2 666.7m ~ 2 44 plants, and after 3 years, it can be changed into 6m × 4m and 6m × 5m. (3) the implementation of mixed or inter-planting factors
2019-01-16 -
Storage technology of pear in ventilated storehouse
Ventilation storage is a simple method to store pears well under relatively stable and low temperature conditions by using natural low temperature in winter, large temperature difference between day and night and ventilation storage with thermal insulation performance. The main technique is that after the pear fruit is harvested, it is pre-stored, selected, basketed and stored, and ventilated and stacked. According to the temperature difference between inside and outside the warehouse, open or close the window flexibly in time, adjust the temperature and humidity in the warehouse, so as to maintain the temperature at-3 ℃ to 1 ℃ and the relative humidity between 85% and 93%. Cold season should pay attention to antifreeze, especially for low temperatures
2019-01-16 -
Peach gum disease and its control
1. Distribution: peach gum disease, also known as resin disease, is common in all peach areas in China, especially in the south. The etiology is complicated and it is not easy to prevent and cure it thoroughly. Gum flow causes tree weakness, affecting fruit quality, and even dead branches and dead trees. two。 Symptoms: the disease mostly occurs in the branches of peach trees, especially in the trunk and main branches. At the initial stage, the disease expanded slightly, gradually spilled the translucent colloid, and aggravated after the rain. After that, the colloid gradually becomes jelly-like, yellowish brown after dehydration and dark brown when dry. Bark cracking in severe cases
2019-01-16 -
Peach variety: Huaguang
Zhengzhou Fruit Tree Research Institute of Chinese Academy of Agricultural Sciences was bred by Ruiguang 3 × Amken hybrid. The fruit is nearly round, with an average weight of 80 grams; the appearance is beautiful, the face of the fruit is more than rose red, the flesh is white, soft, sweet and fragrant, and the soluble solids are more than 12%. Sticky core. The fruit matured from the end of May to the beginning of June, and the fruit development period was 60 days. This variety is a very precocious white flesh sweet nectarine. Beautiful appearance, good quality, large flower type, a large amount of pollen, extremely high yield, fruit cracking phenomenon in a few years.
2019-01-16 -
Apricot Varieties and Their Cultural Characteristics
There are 10 species of apricot in the world, 9 of which are common apricot, Siberian apricot, Liao apricot, Tibetan apricot, purple apricot, Zhidan apricot, plum apricot, Zhenghe apricot and plum apricot in China. Among them, common apricot, Siberian apricot, Liao apricot and Mei apricot have many varieties and types. Common apricot is the most widely cultivated species in the world. Variety classification Fresh varieties Excellent fresh varieties of fruit should have a large fruit, attractive appearance, gorgeous, fleshy juicy flesh, fine fiber, sweet and sour taste, rich fragrance and other characteristics
2019-01-16 -
Crystal pear (fruit tree)
Crystal pear is a new variety with milky yellow pericarp selected from Xingao branch bud mutation in South Korea. Because of its beautiful fruit shape, excellent quality, storage and transportation resistance, strong adaptability and other characteristics, it adapts to the industrialization development trend of pear fruit production and has great potential for development. The specific characteristics are as follows: 1. A large fruit is round or oblate, with an average weight of 360 grams and a maximum of 560 grams. 2. The fruit is beautiful, the quality is excellent, and it ripens around the end of September. When the fruit is ripe, the pericarp is milky yellow, the surface is bright, transparent, the appearance is beautiful and attractive, and the flesh is delicate.
2019-01-16