CN111386939A - Cherry gummosis prevention and control method - Google Patents
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Abstract
The invention discloses a cherry gummosis prevention and control method, which comprises the following steps: selecting sandy loam land with loose soil for cultivation, and adopting a whitening solution to whiten cherry trees after removing diseased branches in winter every year; before blooming in spring every year, the microbial organic fertilizer is applied by turning over the soil; the glue is removed and brushed once with hydrogen peroxide aiming at the branches and trunks of the running glue; cutting off the bark in the vertical direction of the scab part by a knife to reach the xylem, and radially cutting a plurality of dividing lines around the scab outside the scab part; the cutting range is 1.3 times of the area of the scab part, and a healing agent is coated on the cutting part and the scab part; and stopping glue flowing at over 75 percent of glue flowing positions 22-25 days after the treatment of the cutting and applying the healing agent, and repeating the cutting and applying the healing agent process, wherein the adopted method completely heals the lesion spots of the gummosis disease in one and a half year, and the cure rate is 100 percent. The method can effectively perform targeted prevention and control on the gummosis.
Description
Technical Field
The invention discloses a cherry gummosis prevention and control method, and belongs to the technical field of cherry planting.
Background
Cherry gummosis generally begins to occur when sap flows in spring, and mainly damages the main trunk and branches of cherries, branches or wounds of the branches at the initial stage swell, yellow-white semitransparent mucilage flows out, and the cortex and xylem become brown and rotten, so that the tree is weak, and the branches die when the tree is severe.
The cherry gummosis has two disease peaks every year, namely, the gummosis causes in the middle ten days of 5 months to the end 6 months and the upper ten days of 8 months to the end 9 months:
firstly, the glue can be caused by fungus and bacteria hazards such as ascomycetes and pythium, such as brown spot, dry rot, perforation and the like.
Secondly, the wound caused by the insect pest and the trunk borers induces the gummosis, such as red neck longicorn, golden cudweed, white mulberry scale insect, chafer and other insect pests.
And the root diseases, such as root cancer and rot.
And fourthly, mechanical damage, excessive trimming, unreasonable treatment of a cutting saw, freezing damage, sunburn and the like can also cause gummosis.
Fifthly, the garden building is unreasonable. Heavy soil, poor ventilation and drainage, water accumulation in the garden, physiological obstruction of the tree body and gummosis.
Disclosure of Invention
In order to overcome the defects of the prior art, the invention provides a cherry gummosis prevention and control method which can effectively perform targeted prevention and control on gummosis.
The invention is realized by the following technical scheme:
a cherry gummosis prevention and control method comprises the following steps:
1) in winter every year, after diseased branches are removed, the cherry tree body is whitened by adopting whitening liquid; selecting the diseased branch removing time from 11 months to 1 month, scraping off gummosis hard blocks and necrotic tissues at the lower parts of the gummosis hard blocks, shearing off dead branches, and cleaning fallen leaves; the main branch is mainly coated at the white coating part, and the branch part of the main branch and the part near the main branch are coated more.
In autumn fallen leaves and early spring dormant period, the ground and the tree body are covered completely by lime sulphur; not only can kill various germs, but also can kill pests. Smearing or spraying lime sulfur mixture or 500 times of 50% carbendazim liquid to prevent and treat bacterial infection. After 1 week, the paint was applied 1 more time.
2) Spraying 3-5 Baume lime sulphur mixture before germination in spring every year to reduce invasion of pathogenic bacteria of trees, watering before flowers, applying 2-4kg of microbial fertilizer to each strain, and applying 2.5-5kg of microbial organic fertilizer before flowering in spring every year;
3) cleaning the glue with a sterilized knife aiming at the branches after glue flowing, and brushing the scab part with hydrogen peroxide once with a brush, wherein the brushing area is 1.2-1.3 times of the scab part; in the initial stage of the gummosis, 1 time of colloid scraping is carried out, the cure rate is about 95 percent, in other periods, 1 time of sexual cure is difficult, and the medicine is applied for multiple times to achieve the purpose of prevention and treatment.
4) Cutting off barks in the vertical direction of the scab part by a knife, radially cutting off a plurality of cutting lines around the scab outside the scab part to be used as cutting-off parts which reach the xylem, wherein the sum of the range of the cutting-off parts of the barks is 1.2-1.3 times of the area of the scab part, and the width interval between the cutting-off parts is 1-3 cm;
5) coating unfiltered lime-sulfur mixture with Baume degree of 24-26 above on the cut part;
6) after the lime sulphur is dried, a healing agent is coated on the incised part and the scab part, and the coating area of the healing agent is 1.2-1.3 times of the area of the incised part and the scab part;
7) on 22-25 days after the cutting and healing agent treatment, more than 75% of gummosis positions on the tree body stop gummosis, the scab parts become dry and coagulated, the wound starts to heal, and the gummosis at the rest gummosis positions is obviously reduced;
repeating the flow of the steps 3) -6), stopping gummosis at more than 95% gummosis positions on the tree body, drying and coagulating the scab parts, healing the wound and obviously reducing gummosis at the rest gummosis positions;
repeating the process of the steps 3) -6) again, and healing the whole gummosis part.
Further, burning the diseased branches trimmed in the step 1).
Further, the white coating liquid comprises the following raw materials in parts by weight: 1-3 kg of lard oil, 3-6 kg of lime, 1-2 kg of lime-sulfur mixture and 30-40 kg of water, wherein the Baume degree of the lime-sulfur mixture is more than 24-26 ℃; the preferable formula is as follows: 2 kg of lard, 4kg of lime, 2 kg of lime-sulfur mixture and 30 kg of water.
Further, the healing agent preparation raw materials comprise: 5-7 kg of quicklime, 13-17 kg of cold water, 1.5-2.5 kg of lard, 0.5-1.5 kg of lime-sulfur mixture and 0.1-0.5 kg of edible salt. The preferable formula is as follows: 6 kg of quicklime, 15 kg of cold water, 2 kg of lard oil, 1 kg of lime-sulfur mixture and 0.5 kg of edible salt.
Further, the microbial fertilizer comprises: the concentration of the bacillus subtilis is more than or equal to 10 hundred million spores/g, the rooting powder is more than or equal to 2 percent, and the content of N + P2O5+K20 percent is more than or equal to 6 percent, organic carbon is more than or equal to 25 percent, organic matter is more than or equal to 55 percent, and chelated medium and trace elements (magnesium, boron, iron, zinc, calcium and the like) are more than or equal to 2 percent.
Further, the microbial organic fertilizer is prepared by fermentation, and the fermentation raw materials comprise: 20-40 parts of cattle and sheep manure, 0.1-0.5 part of sodium selenate, 20-40 parts of crop straws, 20-30 parts of bean dregs and 0.3-0.7 part of EM microbial inoculum.
Further, the width of the incised part is determined according to the width of the lesion.
Further, the concentration of the hydrogen peroxide is 40-60%.
Further, the method also includes annual winter protection: aiming at the areas where the extreme low temperature does not reach minus 20 ℃ in winter, the trunk of the cherry tree is whitered; aiming at the areas with extreme low temperature below 20 ℃ below zero in winter, the trunk of the cherry tree is not only white, but also the branches are covered with heat-insulating and windproof materials so as to avoid frostbite.
The method further comprises the following steps: when the sap flows after beginning of spring, 300 times of the 50% carbendazim wettable powder is adopted for root irrigation, 100g of pesticide is used for each plant and 200g of pesticide for the big tree age is used for 1-3 year old trees, the tree vigor can be recovered and the gummosis phenomenon is weakened after the trees bloom and fruit setting are irrigated for 1 time according to the pesticide amount.
When cherry trees grow in seasons, 3000 times of 72% agricultural streptomycin sulfate soluble powder is sprayed, so that the density of pathogenic bacteria can be reduced, and the occurrence of gummosis can be reduced.
Further, for the case of newly building a cherry orchard, before the step 1), the method further comprises the following steps:
1) selecting sandy loam land with loose soil and good drainage for cultivation, selecting scion variety and stock with strong disease resistance as the planted seedling, and planting density is 667m2Planting 50-60 seedlings;
before planting, digging 60 × 80cm planting pits, and planting according to each 667m23000kg of fully decomposed organic fertilizer 2000-containing materials, 300kg of black calcium soil 250-containing materials and 250kg of plant ash 150-containing materials are fully and uniformly mixed and then sufficiently applied, the application depth is 40-50cm, and then 40-60kgN-P-K compound fertilizer is applied, and the application depth is 20-30 cm; completely removing fallen leaves, weeds and the like;
2) scientifically pruning and managing fertilizer and water for the initially planted cherry trees to establish a good tree body structure for the cherry trees;
preferably, the trimming method specifically includes:
performing field planting on cherry trees for 0.8-1.2 m, and selecting strong 3-4 buds in north and south directions in a shaping zone 25-35cm after the cherry trees are subjected to field planting;
carving bud at 0.5-1.5cm of upper part of the selected bud, and matching with large fertilizer and large water after germination to promote the bud to grow to more than 1m in the current year; for the condition that the length is less than 1m, reserving 0.5-1.5cm for pruning before sprouting in spring of the next year so as to grow new branches at the position of 0.5-1.5 cm; selecting branches with an angle close to 90 degrees with the trunk and a proper direction from the new branches, remaining the branches for culturing, growing the branches to be more than 1m, and removing the rest branches or leaving 1-2 branches for culturing as auxiliary culture branches. Therefore, the branches are thick and strong, the framework is stable, the nutrient substances are smoothly conveyed, and the occurrence of gummosis is effectively reduced.
Preferably, the method for managing fertilizer and water specifically comprises the following steps: the quick-acting fertilizer with high nitrogen content is applied in the early spring, the special compound fertilizer with substantially balanced nitrogen, phosphorus and potassium is applied in the middle growth period, and the low-nitrogen, medium-phosphorus and high-potassium biological compound fertilizer is applied in the later growth period. Therefore, the growth and fruiting of the tree body and the smooth proceeding of flower bud differentiation are coordinated, and the occurrence of gummosis is effectively reduced.
Compared with the prior art, the invention has the following beneficial effects:
the invention fully enhances the growth vigor of the large cherry trees and improves the fruit setting rate and the disease resistance by combining the organic fertilizer, the inorganic fertilizer and the microbial fertilizer according to a reasonable nutrient proportion. By adopting the fertilizing method, the incidence rate of the gummosis is only 12%, the tree roots generate a large number of new roots after fertilizing, the new shoot length is obviously increased, the photosynthesis is enhanced, and the gummosis is effectively resisted.
By utilizing the specific whitening agent, the whitening effect is good, the protection time is long and the soil is not affected.
The gummosis part is processed by adopting a unique cutting method, a unique cutting position and a unique cutting area, so that the gummosis can be effectively treated, and the occurrence of gummosis again can be prevented.
Drawings
FIG. 1 is a schematic view of the cutting pattern of the bark-splitting area in step 4) of the present invention.
In the figure, 1 is a lesion site and 2 is a dissection site.
Detailed Description
The present invention will be described in further detail with reference to specific examples, but the scope of the present invention is not limited to these examples, and all changes or equivalent substitutions that do not depart from the spirit of the present invention are intended to be included within the scope of the present invention.
Example 1
The method is characterized in that the Zhenshuzhou province of Jiangxian county in fortune cities selects cherry varieties as red light, the tree age is 12 years, gummosis occurs twice every year, once in the middle ten days of 5 months to the end ten days of 5 months, once in the last ten days of 8 months to the end ten days of 9 months, the disease is serious, the disease trend is obvious along with the rise of temperature and the increase of rainwater in spring, particularly, the amount of gum liquid oozing out of a diseased part is large in the period with more rainwater, and then the disease gradually decreases along with the fall of the temperature until the disease stops. The disease is serious because old trees are managed sparsely, nitrogen fertilizer is applied partially, and the load is too large.
The subject group adopts the following implementation method to prevent and treat the gummosis:
1) 10 days 11 months in 2015, removing diseased branches, and then adopting a whitening solution to whiten the bodies of the cherry trees; and carrying out burning treatment on the diseased branches.
The white coating liquid comprises the following raw materials in parts by weight: 2 kg of lard oil, 4kg of lime, 2 kg of lime sulfur mixture and 30 kg of water, wherein the baume degree of the lime sulfur mixture is 26 degrees.
2) In 2016, 3 months and 2 days, 5 Baume lime sulphur mixture is sprayed to reduce invasion of pathogenic bacteria of trees, 3kg of microbial fertilizer is applied to watering before flowers are planted, and 5kg of microbial organic fertilizer is applied to the flowers in spring before the flowers bloom each year (the microbial organic fertilizer is prepared by fermenting the following raw materials: 20 parts of cattle and sheep manure, 0.5 part of sodium selenate, 40 parts of crop straws, 30 parts of bean dregs and 0.7 part of EM microbial inoculum);
3) the glue is removed by a sterilized knife aiming at the branches after glue flowing, the scab part is brushed once by a brush with the concentration of 60 percent of hydrogen peroxide, and the brushing area is 1.3 times of the scab part;
4) the bark is cut by a knife in the vertical direction of the scab part to reach the xylem, the width interval of each cut part is 3 cm, and the cutting range is 1.3 times of the area of the scab part.
5) Coating the cut part with a lime sulfur mixture which is decocted by self and has no filtered Baume of 28,
6) a healing agent is coated on the cutting part and the scab part (the healing agent is prepared from the following raw materials: 6 kg of quicklime, 15 kg of cold water, 3kg of lard oil, 1 kg of lime-sulfur mixture and 0.5 kg of edible salt. ) The coating area of the healing agent is 1.3 times of the area of the cutting part and the scab part;
7) on 23 days after the treatment of the cutting and the healing agent, the glue flowing stops at 82 percent of glue flowing positions, the lesion spots are dried and coagulated, and the wound is healed; obviously reducing the remaining 18 percent of gummosis, and repeating the processes of the steps 3) -6) to ensure that the parts which start to heal reach more than 98 percent; the remaining 2%, the procedure of steps 3) -6) is repeated once more, i.e. total healing.
By the method, the effective prevention rate of all gummosis trees reaches 100% in 2016, the yield of cured trees is increased by 28%, and the income per mu is increased by 1900 yuan.
Example 2
Yun City Lin \29463, county North view, rural village, cherry variety is early big fruit, 9 years old, gummosis starts from the third year, gummosis trees increase year by year, gummosis is gummosis twice every year, the gummosis amount is especially large in the last ten days of 5 months, the gummosis amount is small in the last ten days of 9 months, the incidence trend is obvious along with the increase of the tree age, and the gummosis amount is increased.
The group of subjects started from 2016 to control gummosis by the following methods:
1) removing diseased branches in 2016, 11 months and 18 days, and then whitewashing the cherry tree body by adopting a whitewashing liquid; and carrying out burning treatment on the diseased branches.
The white coating liquid comprises the following raw materials in parts by weight: 1 kg of lard, 3kg of lime, 1 kg of lime-sulfur mixture and 30 kg of water.
2) Spraying lime sulfur mixture with 4 Baume degrees in 2 months and 20 days in 2017 to reduce invasion of pathogenic bacteria of trees, watering before flowers and applying 2.5kg of microbial fertilizer to each strain (the microbial fertilizer is prepared by fermenting the following raw materials: 30 parts of cattle and sheep manure, 0.3 part of sodium selenate, 30 parts of crop straws, 25 parts of bean dregs and 0.5 part of EM microbial inoculum), and before the cattle and sheep manure bloom in spring every year, 4.5kg of microbial organic fertilizer is applied by turning over the soil;
3) the glue is removed by a sterilized knife aiming at the branches after glue flowing, the scab part is brushed once by a brush with the concentration of 50 percent of hydrogen peroxide, and the brushing area is 1.2 times of the area of the scab part;
4) the bark is cut by a knife in the vertical direction of the scab part to reach the xylem, the width interval of each cut part is 3 cm, and the cutting range is 1.3 times of the area of the scab part.
5) Coating the cut part with a lime sulfur mixture which is decocted by the user and has 26 Baume without being filtered,
6) a healing agent is coated on the cutting part and the scab part (the healing agent is prepared from the following raw materials: 5kg of quicklime, 17 kg of cold water, 1.5 kg of lard, 1.5 kg of lime-sulfur mixture and 0.1 kg of edible salt. ) The coating area of the healing agent is 1.3 times of the area of the cutting part and the scab part;
7) on the 22 nd day after the treatment of cutting and applying the healing agent, the glue flowing stops when 85 percent of the glue flowing positions are in the glue flowing positions, the lesion spots are dried and coagulated, and the wound is healed; the remaining 15 percent of gummosis is obviously reduced, the flow of the steps 3) -6) is repeated, and the parts which start to heal are more than 98 percent; the remaining 2%, the procedure of steps 3) -6) is repeated once more, i.e. total healing.
By the method, the effective prevention rate of all gummosis trees in 2017 reaches 100%, the yield of cured trees is increased by 30%, and the income per mu is increased by 2200 yuan.
Example 3
Perpetition of Puzhou town of Yoji, cherry variety is red light, tree age is 8 years, gummosis flows twice every year, the gummosis amount is particularly large in the middle and last ten days of 5 months once, and the gummosis amount is large in the middle and last ten days of 9 months once.
The subjects started to control gummosis in 2017 by the following methods:
1) in 2017, in 11 months and 22 days, after diseased branches are removed, the cherry tree body is whitened by adopting whitening liquid; and carrying out burning treatment on the diseased branches.
The white coating liquid comprises the following raw materials in parts by weight: 2 kg of lard oil, 4kg of lime, 2 kg of lime sulfur and 30 kg of water, wherein the baume degree of the lime sulfur is 24 degrees.
2) Spraying 3 Baume lime sulphur mixture in 25/2.2018 to reduce invasion of pathogenic bacteria of tree, watering before flowers and applying 4kg of microbial fertilizer to each plant (the microbial fertilizer is prepared by fermenting the following raw materials: 40 parts of cattle and sheep manure, 0.1 part of sodium selenate, 20 parts of crop straws, 30 parts of bean dregs and 0.3 part of EM microbial inoculum), and 2.5kg of microbial organic fertilizer is applied by turning over the soil before blooming in spring every year;
3) the glue is removed by a sterilized knife aiming at the branches after glue flowing, the scab part is brushed once by a brush with the concentration of 60 percent of hydrogen peroxide, and the brushing area is 1.2 times of the area of the scab part;
4) the bark is cut by a knife in the vertical direction of the scab part to reach the xylem, the width interval of each cut part is 2 cm, and the cutting range is 1.3 times of the area of the scab part.
5) Coating the cut part with a lime sulfur mixture which is decocted by self and has no filtered Baume of 28,
6) a healing agent is coated on the cutting part and the scab part (the healing agent is prepared from the following raw materials: 7 kg of quicklime, 13 kg of cold water, 1.5 kg of lard, 0.5 kg of lime-sulfur mixture and 0.2 kg of edible salt. ) The coating area of the healing agent is 1.3 times of the area of the cutting part and the scab part;
7) on 26 days after the treatment of cutting and applying the healing agent, the glue flowing is stopped at 83 percent of glue flowing positions, the lesion spots are dried and coagulated, and the wound is healed; the remaining 17% of the gummosis is obviously reduced, the flow of the steps 3) -6) is repeated, and the part which starts to heal reaches more than 99%; the remaining 1%, the procedure of steps 3) -6) is repeated once more, i.e. total healing.
By the method, the effective prevention rate of all gummosis trees in 2018 reaches 100%, the yield of cured trees is increased by 32%, and the income per mu is increased by 2500 yuan.
The present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (10)
1. The cherry gummosis prevention and control method is characterized by comprising the following steps of:
1) in winter every year, after diseased branches are removed, the cherry tree body is whitened by adopting whitening liquid;
2) spraying 3-5 Baume lime sulphur mixture before germination in spring every year to reduce invasion of pathogenic bacteria of tree, watering before flowers, applying 2-4kg of microbial fertilizer to each plant, and applying 2.5-5kg of microbial organic fertilizer in a turned manner;
3) cleaning the glue with a sterilized knife aiming at the branches after glue flowing, and brushing the scab part with hydrogen peroxide once with a brush, wherein the brushing area is 1.2-1.3 times of the scab part;
4) cutting bark around the scab part vertically by a knife to a depth reaching the xylem, wherein the sum of the range of the cut parts of a plurality of barks is 1.2-1.3 times of the area of the scab part, and the width interval between the cut parts is 1-3 cm;
5) coating unfiltered lime-sulfur mixture with Baume degree of 24-26 above on the cut part;
6) after the lime sulphur is dried, a healing agent is coated on the incised part and the scab part, and the area of the healing agent is 1.2-1.3 times of the area of the incised part and the scab part;
7) on 22-25 days after the cutting and healing agent treatment, more than 75% of gummosis positions on the tree body stop gummosis, the scab parts become dry and coagulated, the wound starts to heal, and the gummosis at the rest gummosis positions is obviously reduced;
repeating the flow of the steps 3) -6), stopping gummosis at more than 95% gummosis positions on the tree body, drying and coagulating the scab parts, healing the wound and obviously reducing gummosis at the rest gummosis positions;
repeating the process of the steps 3) -6) again, and healing the whole gummosis part.
2. The cherry gummosis prevention and control method according to claim 1, wherein the white coating liquid comprises the following raw materials in parts by weight: 1-3 kg of lard oil, 3-6 kg of lime, 1-2 kg of lime-sulfur mixture and 30-40 kg of water, wherein the Baume degree of the lime-sulfur mixture is more than 24-26 ℃.
3. The method for preventing and controlling cherry gummosis according to claim 1, wherein the healing agent is prepared from the following raw materials: 5-7 kg of quicklime, 13-17 kg of cold water, 1.5-2.5 kg of lard, 0.5-1.5 kg of lime-sulfur mixture and 0.1-0.5 kg of edible salt.
4. The cherry gummosis prevention and control method according to claim 1, wherein the microbial fertilizer comprises the following components in mass concentration: the concentration of the bacillus subtilis is more than or equal to 10 hundred million spores/g, the rooting powder is more than or equal to 2 percent, and the content of N + P2O5+K20 is more than or equal to 6 percent, organic carbon is more than or equal to 25 percent, organic matter is more than or equal to 55 percent, and chelated medium and trace elements are more than or equal to 2 percent.
5. The cherry gummosis prevention and control method according to claim 1, wherein the microbial organic fertilizer is prepared by fermentation, and fermentation raw materials comprise: 20-40 parts of cattle and sheep manure, 0.1-0.5 part of sodium selenate, 20-40 parts of crop straws, 20-30 parts of bean dregs and 0.3-0.7 part of EM microbial inoculum.
6. The cherry gummosis prevention and control method according to claim 1, wherein the hydrogen peroxide concentration is 40-60%.
7. The cherry gummosis prevention and control method according to claim 1, further comprising winter protection every year: aiming at the areas where the extreme low temperature does not reach minus 20 ℃ in winter, the trunk of the cherry tree is whitered; aiming at the areas with extremely low temperature below 20 ℃ below zero in winter, the trunk of the cherry tree is not only white, but also the branches are covered with heat-insulating and windproof materials to avoid frostbite.
8. The method for preventing and controlling cherry gummosis according to claim 1, wherein for newly-built cherry orchard, the method further comprises the following steps before the step 1):
1) selecting sandy loam land with loose soil and good drainage for cultivation, selecting scion variety and stock with strong disease resistance as the planted seedling, and planting density is 667m2Planting 50-60 seedlings;
before planting, digging 60 × 80cm planting pits, and planting according to each 667m23000kg of fully decomposed organic fertilizer 2000-containing materials, 300kg of black calcium soil 250-containing materials and 250kg of plant ash 150-containing materials are fully and uniformly mixed and then sufficiently applied, the application depth is 40-50cm, and then 40-60kgN-P-K compound fertilizer is applied, and the application depth is 20-30 cm; completely removing fallen leaves and weeds;
2) the cherry trees planted at the beginning are scientifically trimmed and subjected to fertilizer and water management, and a good tree body structure is laid for the cherry trees.
9. The cherry gummosis prevention and control method according to claim 8, wherein the pruning method specifically comprises:
performing field planting on cherry trees for 0.8-1.2 m, and selecting strong 3-4 buds in north and south directions in a shaping zone 25-35cm after the cherry trees are subjected to field planting;
carving bud at 0.5-1.5cm of upper part of the selected bud, and matching with large fertilizer and large water after germination to promote the bud to grow to more than 1m in the current year; for the condition that the length is less than 1m, reserving 0.5-1.5cm for pruning before sprouting in spring of the next year so as to grow new branches at the position of 0.5-1.5 cm; selecting branches with an angle close to 90 degrees with the trunk and a proper direction from the new branches, remaining the branches for culturing, growing the branches to be more than 1m, and removing the rest branches or leaving 1-2 branches for culturing as auxiliary culture branches.
10. The cherry gummosis prevention and control method according to claim 8, wherein the fertilizer and water management method specifically comprises: the quick-acting fertilizer with high nitrogen content is applied in the early spring, the special compound fertilizer with substantially balanced nitrogen, phosphorus and potassium is applied in the middle growth period, and the compound fertilizer with low nitrogen, medium phosphorus and high potassium is applied in the later growth period.
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| CN113632670A (en) * | 2021-08-03 | 2021-11-12 | 天水市果树研究所 | Cherry orchard pest control technology |
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