First, seed treatment Seed treatment before sowing of corn can increase the germination rate of seeds, promote the growth of seedlings, and can also kill germs on the seed coat, reduce the damage of pests and diseases, and promote the seedlings in full, seedling stage, and seedling strong. Seed processing methods are: 1, drying seeds: The selected seeds are laid on the ground or on the seat, 5-6 cm thick, continuous sun drying 2-3 days, should not be spread directly on the seed in the cement or metal plate, so as not to overheated scald seeds . 2. Chemicals seed dressing: The prevention and treatment of corn virus disease can be used to increase the number of 100% of the plant disease disease by 1.5%, and the appropriate amount of water and water can be mixed with 50 kg of corn. Control of root rot and smut can be used 50% carbendazim or 25% triadimefamide 100-150 grams, dressing 50 kg; 50% phoxim EC can be used to control underground pests, watered amount, mixed with corn 100 kilograms, mix and dry after drying. For mixed occurrence of underground pests and corn diseases, mixed pesticides can be used for seed dressing. When dressing, first mix insecticides, then dry them and mix them with fungicides. 3, special coating agent coating. The dosage is 50 ml, which contains 5-7 kilograms of seed, which is both disease prevention and pest control. Second, seedling control measures 1, corn weed control Controlling weeds can reduce pests and breeding sites. Select high-quality herbicides on the road, master the best drug use period, increase the watering volume when spraying, and avoid high temperature and windy weather, evenly spray to the ground, so as not to re-spray or spray. Use strictly according to herbicide instructions to prevent damage. Commonly used herbicides are 1 mu with 40% EtOH mixture 150-200 liters, watered 50-80 kg, and sprayed before budding corn. 2. Use 18% of Jade Farm Music 80-100 milliliters per acre, watering 50-80 kilograms, and spray at the corn 2-3 leaf stage. 3, Mu with 50% Duo A mixture of 150 liters of water 50-80 kg, directed at the four leaf stage before the corn spray. 2. Seedling pest control: (1) Laodelphax striatellus and aphids are corn insecticides, sprayed with 10% imidacloprid 1000 times. (2) Controlling corn virus disease: In the one-leaf period of corn, mu is applied with 1.5% of disease-resistant Ling II No. 800-1000 times liquid, spray once every 7-10 days, 2 times in a row, and evenly spray on both sides of the blade. (3) Pay attention to the occurrence of armyworm and prevent it from biting. As the armyworm is a migratory pest, attention should be paid to its development. When the third instar of the armyworm larvae occurs, small spots appear on the heart and leaves of the corn. It can use 25% diurea gum suspension or NPV virus preparation per acre 30-50 grams per acre, watering 40-50 kg spray, while also managing caterpillars, cotton bollworm and other pests. Spraying time should be based on the habit of sticky night out, choose before 10 o'clock in the afternoon, after 4 o'clock in the afternoon.
95.0% OPC Grape seed extract is one kind of Grape Seed Extract which is our Key product. It is a purple powder and was producted by extracting,concentrating and drying;from the seeds of Grape.
Grape Seed Extract,Grape Seed Extract Powder,Nature Grape Seed Extract,95% Grape Seed Extract Shaanxi Kepler Biotech Co.,Ltd , https://www.keplerherb.com
The omponents are mainly phenolic acid such as procyanidins,catechin,epicatechin,gallic acid, epigallocatechin gallate and so on.
Grape seed is the seed of grape, after the separation of grape skin, grape stalk product. Grape seed contains amino acid, Vitamin and mineral to wait.
Grape seeds contain polyphenols (GPS), mainly catechins and proanthocyanidins.Catechin compounds, including catechin, epicatechin and their gallate esters, are the main monomers of grape seeds and the constituent units of proanthocyanidin oligomers and polymers.
Grape seeds are rich in oil, accounting for about 12% ~ 15% of its weight. Oil contains a lot of unsaturated fatty acids, among which the content of linoleic acid is between 58% ~ 78%.Grape seeds also contain a small amount of volatile components, most of which are alcohols, phenols and terpenoids, all of which have high biological activity.In addition to the above mentioned substances, grape seeds also contain crude protein, amino acids and vitamins A, E, D, K, P and A variety of trace elements, such as calcium, zinc, iron, magnesium, copper, potassium, sodium, manganese, cobalt and so on.