Pear tree flowering management is very important, there are flowers and fruit, improper management of pear flowering period, or let alone, it is easy to cause the phenomenon of full tree flower, half fruit, low fruit setting rate, low economic efficiency, use the following methods to strengthen the pear tree flowering period Management can increase fruit setting rate, improve fruit quality, and increase economic efficiency. 1. Top dressing before flowering: Dressing in the early flowering stage can improve the quality of flower buds and meet the nutrient consumption of flowering and increase the fruit setting rate. Can be applied to the compound fertilizer-based quick-acting fertilizer in the first half of the month, generally 0.5-1 kilograms per tree, and 1-2 kilograms of urea for trees with weaker vigor. The amount of fertilizer should be 10-15 percent of the year. %. Second, before the flower cut: For the pruning of light, the amount of pears should be more complex cut, mainly to thin thin branches, diseased branches, over dense branches, adjust fruit load, according to the amount of fruit to determine The amount of flowers left for flowering should be 1-2 times more than the amount of reserved fruit. Only one flower bud should be left in each fruit stage. If too many flower buds are removed, the species that are not susceptible to pruning will not grow due to flowering. A bunch of flower buds formed by twig dumping should be appropriately shortened so that the result branch can be close to the main trunk and the long branch can be promoted to prepare for the subsequent results. Third, the sparse and artificial pollination: pear tree buds for the composite buds, each inflorescence up to 5-18 flowers, flowering trees consume a lot of nutrition, remove excess flowers, can concentrate the nutrient supply of the tree, improve the fruit setting rate, When the inflorescences are separated, they can be sparsely flowered, leaving 1-2 flowers per inflorescence. For varieties with low self-fertilization rate, pollination trees should be allocated. If pollination types are not configured, artificial pollination should be conducted. Artificial pollination should be conducted on the full-expanded buds of adult trees that are suitable for pollination in 2-3 days before pollination. The flowers that have just been opened, take anthers, dry out powder, and concentrate human resources at the beginning of the flowering period. 4. Spraying boron during flowering period: Boron promotes the germination and elongation of pollen tubes, promotes the transport of sugar in trees, and spraying boron during flowering period can increase the fruit setting rate of pears. It can be sprayed at 25% and 75% each time. - 0.5% borax (acid) solution, plus 0.3-0.5% urea, flowering requires a large number of phosphorus, potassium plus spray or single spray 0.3% potassium dihydrogen phosphate solution, can also improve the fruit setting rate. V. Anti-frost during flowering: The pear blossoms early, and the flowering period is mostly before the night frost. It is vulnerable to the damage of the late frost. After the pears are frozen, the female flower is browned, dried and shrunk, and flowering can not set fruit. The methods of frost protection are as follows: 1, irrigation before flowering, can reduce the temperature, delay root activity, delay flowering, reduce or avoid the harm of night cream. 2. The trunk is painted white and the white trunk is painted before flowering. The temperature of the tree body can be slowly increased to delay the flowering period by 3-5 days to avoid or reduce the frost damage. 3, smoke smoke frost, smoke can reduce the radiation of soil heat radiation, play a moisturizing effect, while smoke particles can absorb moisture, so that condensation of water vapor into the liquid and release heat, increase the temperature, reduce or avoid frost damage. The flowering period should listen to the local weather forecast. When the temperature is likely to fall to -2 °C, it must be frost-proof. The commonly used smoke-smoke materials are sawdust, straw, fireweed, leaves, etc. Layered and staggered stacking, with firelights interposed in the middle to facilitate ignition of smoke and smoke before smoke To organize a dedicated manpower division on duty, hang a thermometer 1 meter away from the ground and record the temperature at a time. If the temperature suddenly drops to 0 °C in the early morning, the smoke should be ignited and smoked. Fire up the flame and try to make it emit smoke, and be careful not to burn the branches of the tree. Can also use anti-frost aerosol anti-frost, the formula is commonly used is 20-30% ammonium nitrate, sawdust 50-60%, waste diesel 10%, fine coal powder 10%, ammonium nitrate, sawdust, pulverized coal fine as possible , Proportioned with a good, into the iron cylinder, with the time of ignition, the amount of 2-2.5 kg per acre, attention should be placed on the top.
Description:
Diazinon is an organophosphorus insecticide for veterinary fields for the control of a wide range of animal ectoparasites including scabs, fly strike, lice, ticks, keds and other ectoparasites of cattle and sheep.
Notes for dipping: Diazinon 60% Diazinon Insecticide,Diazinon Solution,Diazinon Insect Spray,Diazinon Liquid Hebei Kexing Pharmaceutical Co., Ltd. , https://www.kexingpharma.com
Do not mix with any other dip.
Replenish the bath as directed when level falls. Another case animals passing through the bath at a low level will not be as effectively treated as those animals treated earlier.
Animals must be completely immersed once for at least one minute.
Care should be taken that animals do not swallow the wash.
As product Contains organophosphorous compounds, an interval of at least 14 days should elapse between dipping and dosing with any drench containing an organophosphorous compound.
Animals should never be dipped on a full stomach or when heated, tired, thirsty or suffering from wound or open sores.