First, the magnesium deficiency greenhouse cucumber water, soil leaching fast, combined with high yield, consumption of large amounts of fertilizer, easy to lack of physiological diseases, magnesium deficiency in recent years is more common. The symptoms of magnesium deficiency were yellowing between veins in the middle and lower leaves, residual greenness in the veins and leaf margins, and intermittent green rings at the edge of the leaves. In severe cases, the leaves gradually withered from the bottom up. In the case of magnesium deficiency, water can be applied in combination with red sulphate, 2.2 to 3 kg/mu, or sprayed with 0.4% magnesium sulfate or 0.4% magnesium chloride, spraying once every 5 to 7 days. 3 times.
Second, iron deficiency symptoms of iron deficiency in cucumber is the point of growth of new leaves chlorosis, yellow-white, severe iron deficiency when the upper leaves can all become yellow and white, and brown necrotic spots. When iron deficiency can be combined with water rushed ferrous sulfate 5 to 10 kg per mu; or with 0.3% of ferrous sulfate spraying plants, once every 5 days, continuous spraying 2 to 3 times.
Three, calcium deficiency symptoms of cucumber calcium deficiency is dwarfing the plant, the upper leaves are significantly reduced, young leaves and veins appear translucent white spots, yellow veins, veins slightly sag, turn yellow green, the leaves curl up mushroom-shaped In some cases, Phnom Penh appears in the upper leaves, and the leaf margins of the near growth point die. Calcium deficiency can be combined with water application of superphosphate to 20-30 kg per acre of greenhouse every time or spraying 0.5% calcium chloride solution outside the root, or 1% of superphosphate calcium leaching solution, once every 5-7 days, continuous 2 to 3 times.
4. Symptoms of boron deficient boron deficiency in cucumbers are marked shortening between growth points, leaf vein atrophy, leaflets becoming smaller, leaf margin rewinding and necrosis, browning, bud tip curling, yellowing, atrophy, and juvenile melons becoming more severe. Waist melons, brown spots on melon strips. Boron deficiency can be combined with water application of borax 1 ~ 1.5 kg; or spray 0.3% of borax outside the root, every 5 to 7 days 1, 2 or 3 times.
Five, potassium deficiency symptoms of cucumber potassium deficiency symptoms of dwarfing plants, short internodes, small leaves, showing bronze, yellow green edge of the leaves, the main vein subsidence, late chlorosis, dead leaves, cucumber potassium deficiency symptoms From the base to the top, old leaves suffer heavy damage. In case of potassium deficiency, additional organic and potassium fertilizers must be added. In combination with potassium sulphate, 10 to 15 kg per mu, or 0.4% potassium dihydrogen phosphate or 0.3% potassium sulphate, every 5 to 7 Once a day, continuous spraying 3 to 4 times.
The human tongue has a range of specific taste sensation neural receptors called taste receptors which are organized mainly as papillae on the tongue. When stimulated by chemicals, natural or synthetic, organic or inorganic, cations or anions, the receptors send signals to the brain which interprets the stimulations as sweet, bitter, sour, salty, and savory (unami, meaty taste). For examples, cations such as Na+ present in the table salt evoke the salty taste, and H+ presents in acids evokes a sour taste. Organic compounds such as sugars, dextrins and glycerol result in sweet taste, glutamate results in savory taste, while many toxic compounds such as nicotine, morphine, caffeine, quinine, etc. result in bitter taste. The sensation of tastes is an evolution trait for defense against poisons (normally evoke bitter taste), and for allowance of nutrients intake (normally evoke sweet or savory taste).
Sugar is a natural sweetener as well as a nutrient consumed in vast quantity around the world. It is one of the major calorie intakes by humans. Over consumption of sugar often leads to obesity and other related medical conditions. High blood sugar level (hyperglycemia) is a manifestation of the disease diabetic mellitus; if not managed properly, it could lead to a range of medical complications. To combat these medical conditions, high potency sweeteners with no calorie or low calorie intake are often being used to substitute sugar. Proper control of calorie intake, coupled with the use of these sugar substitutes has been very effective in managing the medical conditions.
Besides the medical indications, using sugar substitutes brings the economic benefit of lowering the cost of many foods and consumer products, from soft drinks to cakes, pasties, and even toothpastes.
A variety of chemical compounds, natural or synthetic, can evoke sweet taste, but not all of them are safe (for example lead acetate has a sweet taste but it is extremely toxic), nor are sweet taste specific (for examples, many of synthetic sweeteners can also evoke other senses of taste such as bitterness or metallic sensation). Therefore, selection of the right sweetener for a specific use depends not only on the cost, but also more importantly on the health and safety, the sweetening potency, the effectiveness under various physical conditions such as cooking temperature (heat stability) and pH, as well as other unwanted tense of tastes of the sweetener.
At Sunshine Biotech, we have the expertise and technical know-hows to help you make the right selection for the right use.
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Nanjing Sunshine Biotech Co., Ltd , https://www.sunshine-bio.com