Composite microbial agent for preventing and treating fruit tree replant disease and disease prevention method thereof
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A technology for compounding microbial inoculants and fruit trees, applied in the fields of botanical equipment and methods, biocides, plant growth regulators, etc., can solve the problems of fruit tree replanting diseases, etc. Effect
Inactive Publication Date: 2013-09-04
POMOLOGY INST SHANXI ACAD OF AGRI SCI
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[0005] In order to solve the problem of fruit tree replanting disease, the present invention provides a compound microbial bacterial agent for preventing and treating fruit tree replanting disease and its disease prevention method
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experiment example 1
[0020] Experimental example 1: the effect of compound microbial bacterial agent of the present invention on overcoming apple replanting disease
[0021] Apple is the tree species with the largest area and the largest yield among deciduous fruit trees in northern my country. The main production areas are distributed in Shandong, Hebei, Shaanxi, Shanxi, Henan, Liaoning and other provinces. The natural lifespan of an apple tree is more than 100 years, the production lifespan is about 50 years, and the best production lifespan is about 30 years. At present, about 80% of the apple trees in our country were planted in the 1980s at the beginning of the reform and opening up in the last century, and they will gradually enter the aging period and need to be eliminated and replaced. But when the apple tree is renewed, after the old orchard cuts down the old tree, replanting the new apple tree often shows that the survival rate of planting is low; the fruit tree after survival grows slow...
experiment example 2
[0031] Experimental example 2: the effect of compound microbial bacterial agent of the present invention on overcoming peach tree replantation disease
[0032] Peach trees are also one of the most serious fruit trees for replantation disease. Its symptoms are similar to those of apples, with prominent sapling death, undeveloped root system, slow growth, late fruiting period, and low yield.
[0033] The peach orchard to be treated is a 28-year-old densely planted peach orchard (the main variety Okubo), with an area of 6 mu, a planting distance of 2m×3m, and 111 trees per mu. The management is extensive, the canopy is closed, the pests are serious, the tree body is weak, the yield and quality are low, and the economic benefits are not high. , requires a phase-out update.
[0034] Treatment 1: After excavating the old trees in 2006, dig a planting pit on the spot with a row spacing of 3m×3m, the size of which is 1m×1m×1m, and carry out the compound microbial bacterial agent tr...
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Abstract
The invention belongs to the technical field of fruit tree disease prevention and treatment and discloses a composite microbial agent for preventing and treating a fruit tree replant disease and a disease prevention method thereof. The composite microbial agent and the disease prevention method solve fruit tree disease problems. The composite microbial agent is prepared by mixing a spore bacterium mixed agent and photoautotrophic bacterium, heterotrophic bacterium, fungus and saccharomycete liquid cultures according to a certain ratio. The disease prevention method comprises the following steps of clearing old trees, restoring soil, digging planting holes, preparing fertilizer soil and the composite microbial agent, backfilling the planting holes, and carrying out watering, covering and planting. The disease prevention method does not adopt any pesticide and chemical agent and realizes nontoxic, harmless, pollution-free and no-residual fruit tree replant disease treatment. The composite microbial agent can kill pathogenic bacteria and insect eggs in soil, increases soil organic matters, removes toxins secreted by roots, changes phosphor and potassium elements which cannot be absorbed and used by plants into available substances, improves soil fertility, creates a suitable environment for fruit tree growth and development, improves a fruit tree seedling survival rate, improves a fruit tree growth rate and a yield and overcomes fruit tree replant disease harm.
Description
technical field [0001] The invention belongs to the technical field of disease prevention and treatment of fruit trees, and in particular relates to a compound microbial bacterial agent for preventing and treating replantation diseases of fruit trees and a disease prevention method thereof. Background technique [0002] Fruit tree replantation disease refers to the physiological obstacle that occurs when the same kind of fruit tree or other fruit trees are continued to be planted on the plot after the old fruit tree has been excavated, commonly known as replanting disease. Generally speaking, crops have different degrees of cropping damage, but annual crops such as grains, vegetables, etc. have short growth cycles, and the cropping damage is not very obvious. Fruit trees are perennial plants that grow in the same place for many years. For example, the best production period of the main fruit trees in the north, such as apples, pears, grapes, and peaches, is about 20 years. ...
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