First, empty fruit is the cross section of the fruit is polygonal, between the flesh and fruit cavity can see very clear gaps, poor perception, raw tasteless. Caused by the hollow, first, there are more early varieties and round varieties of hollow fruit; second is the premature application of hormones before flower organs mature; third is partial application of nitrogen fertilizer, nutrient growth is excessive, reducing the fruit Accumulation of nutrients; Fourth, high temperature and little sunshine, less photosynthetic products, consume more nutrients; Fifth, pollen development is poor, pollination and insemination is not complete; Sixth, the application of 2,4-D or tomato spirit and other hormone concentration is too large.
Prevention methods: First, select the tomato varieties; Second, increase the application of phosphorus and potassium fertilizers, reduce nitrogen fertilizers; Third, the correct application of flower and fruit preservation hormones when the flower organs mature, can not repeat the flower, and assisted pollination; Fourth, Do not transplant tomato seedlings prematurely to prevent prolonged growth in the middle and late; Fifth, do not pick the top of the heart of the tomatoes early; Sixth, in the autumn and winter, after the top of the tomato fruit, a timely removal of old leaves.
Second, there are roughly three types of cracking fruit cracks, one is a fruit pedicle as the center, a radial fissure in the fruit surface, and sometimes the placental tissue and seeds with the peel valgus; two kinds of fruit is the center of the fruit, around the fruit The pedicles are annular fissures on the fruit surface; three are strips of cracked fruit and have strips of closed fissures in the transverse or longitudinal direction of the fruit surface. This kind of cracking fruit is susceptible to early plague, late blight or bacterial infection and rot. Caused by the formation of a high temperature, dry and strong light environment, the concentration of sugars in the cells inside the tomato fruit increased, the osmotic pressure increased, the water absorption increased, suddenly encountered heavy rain or irrigation, the fruit bulge pressure increased, will be broken Epidermis; The second is the lack of supply of flower nutrients, especially the lack of calcium, boron and other nutrients; third is a large fruit, round fruit, thin skin fruit easy to crack fruit.
Prevention methods: 1. Choose the varieties that are not easy to crack fruits; 2. Deeply plow the farmland, deepen the organic fertilizer, create a good fertilizer and water conservation environment to prevent the soil from drying; 3. Promote the cultivation of sorghum, promote the roots to lower the bar, and improve the resistance. Ability; 4, tomato pruning, pay attention to leave a certain shade of leaves, prevent skin from aging caused by high temperatures.
Third, the main feature of rot brown rot brown tendon rot is the visible cross-section of diseased fruit in the vascular bundle brown necrosis occurs, severe staining of the flesh, pulp stiffness, and some necrotic spots. There are obvious green spots or light green spots on the surface of the fruit. Mainly due to ecological factors such as temperature, light, water, and gas, as well as improper fertilization.
Prevention methods: First, carry out sorghum cultivation, increase soil temperature, and facilitate drainage and irrigation; Second, appropriate thinning, reduce humidity, reduce shading, improve lighting conditions, and increase photosynthetic efficiency; Third, increase organic fertilizers, and apply phosphorus and potassium fertilizers. Nitrogen fertilizer, spraying Huimanfeng active liquid fertilizer 500-800 times liquid.
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Companies registered capital of 35 million yuan, the end of 2014 the total assets of 48.69 million yuan, including fixed assets of 37.52 million yuan. The company's existing cooperation Orange cultivation base 7043.5 acres, the company production base is located in Jiangxi County Tech Industrial Park Chu Tan industrial area, covers an area of 120 acres, it has built a standard plant 9,000 square meters, Nissan 6000 kg Orange enzymes and other liquid enzyme products. Enzyme, known as enzyme, refers to a polymer substance having biocatalytic functionality. In the catalytic reaction system an enzyme, the reactant molecules are known as substrates, enzyme substrates by catalytic conversion to another molecule. Almost all cellular activity of enzymes involved in the process are required to improve efficiency. Similar to other non-biological catalysts, enzymes chemical reactions by lowering the activation energy to accelerate the rate of the reaction, most of the enzyme catalyzed reaction rate can be increased a million times; in fact, the enzyme is to provide an activation energy needs than another low way, so that more particles to have less than the activation energy of the reaction kinetic energy, thus speeding up the reaction rate. Enzyme as a catalyst, in itself is not consumed during the reaction, it does not affect the chemical equilibrium reactions. Positive enzyme catalysis, but also a negative catalytic effect, not only to accelerate the reaction rate, but also to reduce the reaction rate. And other non-living catalysts is different, having a high degree of specificity of enzyme, only a catalytic reaction or produce a particular specific configuration.
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Ganzhou Green days Biochemical Technology Co., Ltd. , http://www.cn-gangdao.com