CN108271591A - A kind of method of the beautiful line weevil of Synthetical prevention tea - Google Patents
A kind of method of the beautiful line weevil of Synthetical prevention tea Download PDFInfo
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- CN108271591A CN108271591A CN201810072235.XA CN201810072235A CN108271591A CN 108271591 A CN108271591 A CN 108271591A CN 201810072235 A CN201810072235 A CN 201810072235A CN 108271591 A CN108271591 A CN 108271591A
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01G—HORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
- A01G17/00—Cultivation of hops, vines, fruit trees, or like trees
- A01G17/005—Cultivation methods
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01G—HORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
- A01G13/00—Protecting plants
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01G—HORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
- A01G7/00—Botany in general
- A01G7/06—Treatment of growing trees or plants, e.g. for preventing decay of wood, for tingeing flowers or wood, for prolonging the life of plants
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Abstract
The present invention provides a kind of method of the beautiful line weevil of Synthetical prevention tea, specifically includes:Agricultural measures, physical control, biological control and chemical prevention.According to the beautiful line weevil pests occurrence rule of tea and harmful characteristics, use biological control and agricultural measures for Control Technology core and reasonable employment efficiently, low toxicity, less-persistent pesticide carry out green prevention and control, form a kind of method of the beautiful line weevil of Synthetical prevention tea, it can overcome the shortcomings of in each use, give full play to the effect of Collaborative Control pest and disease damage, the generation and harm that the beautiful line weevil pest of tea can effectively be controlled, the economic value to promoting tealeaves are of great significance.
Description
Technical field
The invention belongs to diseases and pests of tea tree Prevention Technique fields, and in particular to a kind of side of the beautiful line weevil of Synthetical prevention tea
Method.
Background technology
Tea industry have become the vast mountain area in Fujian Province promote rural economic development, growth of agricultural efficiency, increasing peasant income a master
Approach is wanted, according to the preliminary statistics, the whole province relates to about 4,000,000 people of tea personnel, relates to the tea industry output value and surpasses 20,000,000,000 yuan.
The beautiful line weevil of tea also known as tealeaves weevil(Tea horseshoe crab), belong to coleoptera, Culculionidae, beautiful line is widely distributed in the Changjiang river stream as belonging to
On the south domain, it is more serious that (area) generation is saved with Zhejiang, Jiangsu, Anhui, Fujian, Hunan, Hubei, Guangdong, Yunnan etc..Belong in field
Clustering pattern type, is one of the main Leaf-feeding Insects in China Jiangnan tea area, and adult assembles nozzle and eats tender leaf.When wildness occurs, sternly
Ghost image rings tea yield and quality.Currently, field lacks the reasonable control measure for being effectively directed to this pest.
Invention content
It is an object of the invention in view of the shortcomings of the prior art, providing a kind of method of the beautiful line weevil of Synthetical prevention tea.
To achieve the above object, the present invention adopts the following technical scheme that:
A kind of method of the beautiful line weevil of Synthetical prevention tea, the described method comprises the following steps:
(1)Agricultural measures:A. intertillage goes out pupa i.e. in 10 cm of Sheng pupa time deep ploughing tea clump bilateral soil;B. using between the woods tea of tea place
Work, interplanting green manure, balance fertilizing, rational pruning and in due course picking measure;
(2)Physical control:A. manual catching and killing shakes tea tree i.e. in full incidence period ground paving plastic film, and concentration is burnt;B. poultry is controlled
Worm, that is, adult full incidence period puts chicken in tea place, and the fluffy face of slap tea tree is conducive to chicken and preys on;
(3)Biological control:Kg/ mus of 871 bacterium powder of muscardine 0.5~1.0,2-3 days after dispenser, field keeps humidity 70-80%;
(4)Chemical prevention:2.5% Biphenthrin missible oil, 100 milliliter/mu, 25% 30 grams/acre of Diacloden WG, 24% spiral shell worm ethyl ester
60 milliliters/mu of SC, rotation use.
Preferably, the method for the beautiful line weevil of a kind of Synthetical prevention tea, the described method comprises the following steps:
(1)Agricultural measures:A. intertillage goes out pupa i.e. in 10 cm of Sheng pupa time deep ploughing tea clump bilateral soil;B. using between the woods tea of tea place
Work, interplanting green manure, balance fertilizing, rational pruning and in due course picking measure;
(2)Physical control:A. manual catching and killing shakes tea tree i.e. in full incidence period ground paving plastic film, and concentration is burnt;B. poultry is controlled
Worm, that is, adult full incidence period puts chicken in tea place, and the fluffy face of slap tea tree is conducive to chicken and preys on;
(3)Biological control:Kg/ mus of 871 bacterium powder of muscardine 0.5~1.0,2-3 days after dispenser, field keeps humidity 70-80%;
(4)Chemical prevention:2.5% Biphenthrin missible oil, 70 milliliter/mu+double to kill 14 milliliters/mu, 5% 20 grams/acre of Diacloden WG
+ double to kill 4.5 milliliters/mu, 24% spiral shell worm ethyl ester SC, 40 milliliters/mu+double to kill 8 milliliters/mu, rotation uses.
Step(1)The rational pruning includes sizing trimming, ultralight trimming, light pruning, trims, deeplys prune and deep pruning six deeply
Kind, wherein
Sizing trimming:Shrub type young plant uses(3+2)Pruning model, i.e. tea tree are cut across to 2 full ages, annual 1 time later,
Minimum trimming 3 times;1st sizing trimming requires tea tree liftoff 5 cm at stem thickness to reach 0.3cm or more, when high 30 cm or more of tree into
Row, with seacteur, major branch is cut off at liftoff 15cm;2nd sizing trimming improves 10~15cm on the basis of previous, only cuts
1 grade of branch of 30 cm or more from the ground sent out on trunk retains 2 grades of branches;3rd sizing trimming is above carried in the 2nd clip
High 10~15cm, is cut or flat shape trimmer with level, is cut into horizontal tree crown;3 times sizing trimming after, tea tree height be 50~
60cm sets a 70~80cm, starts gently to adopt and stays foster, when tree is up to 70cm or more, by light pruning requirement culture tree crown, sizing repaiies
Cutting period is preferably selected in 30 d before spring tea;Arbor type young plant, using segmentation shape trim mode, i.e., in batches, repeatedly, be segmented into
Row completes sizing trimming in two years;The 1st sizing trimming is carried out when stem thickness reaches 0.4cm or more at tea tree from the ground 5cm, is cut
Mouth from the ground depending on tree vigo(u)r repeatedly trimmed by 10~12cm of height, whole year;The branch stem thickness more than clip reaches 0.35cm later,
Or young sprout comes into leaves 7~8 and carries out shaping trimming, clip improves 8~12cm on the basis of previous clip;Trimming period is arranged in
Growth of tea plant season should not carry out in high temperature and drought or low-temperature cold period;
Ultralight trimming:The smooth of tea tree picking surface is not pursued in trimming, retains tea tree branch as possible;Autumn and winter ultralight trimming, one
As when growth of tea plant stops, wipe out 3~5 leaf tender tips of the non-lignifying in branch top, spring opens the ultralight of 30d or so before garden and repaiies
It cuts, wipes out bud-leaf of the branch top by freeze injury, do not wipe out 2~3 leaves by the branch of freeze injury;While wiping out branch top,
Cut off tea tree in-leg thin and delicate side shoot and sick branch;
Light pruning:The light pruning of operation tea place includes having a shave and equating two ways:It was cut in last time 1. the mode of having a shave refers to cutting range
It improves 5~8cm on the basis of mouthful to cut across, trimming degree is slightly heavy;2. it is basic equating crown, trimming that equating mode, which refers to crown surface,
Degree is shallower;The light pruning of operation tea place is annual 1 time general, if tree crown is more neat, growing way is vigorous, next year trims 1 time;It will tree
Crown scissors camber, light pruning are typically arranged at when autumn and winter growth of tea plant stops and carry out, later or have the tea of freeze injury for envelope garden
Garden preferably selects to carry out after 30d or so progress can also be arranged in spring tea before spring tea;
Deep trimming:The chicken feet branch layer on tree crown top is cut off, the 1st deep trimming carries out in the 18th age of tea tree, later every 3~5 years
Deep trimming 1 time;The deep trimming time before spring tea sprouts, to avoid reducing current year spring tea yield, also can deeply repair after spring tea
It cuts, must stay foster season tea, arid area that should not deeply be trimmed after summer tea after deep trimming, no freeze injury tea area also can be in Qiu Modong
It is carried out when the gardens Chu Feng;
It deeplys prune:It is high by 1/3~1/2 usually to cut off tree, stays stake height from the ground, is flexibly grasped according to tree vigo(u)r, usually with
35~45cm is advisable, the cutting range in same tea place, just low just not high, and full wafer tea place height substantially one is made after trimming
It causes;It is the early spring that tea tree is in growth rest period that tea tree, which is deeplyd prune for the 1st time and to deeply prune the optimum time at 26~28 age, but
Current year tea yield is seriously affected, and is deeplyd prune after spring tea, that is, can guarantee the spring tea yield of current year;
Deep pruning:Method is that whole limb on the ground are cut off from the liftoff 5~10cm of rootstock, cuts off withered old branch and the disease pest in tree body
Branch retains healthy and strong branch, coordinates deep trimming and light pruning, 10 years tea tree deep pruning update cycles, the time of deep pruning preferably before spring tea,
But in view of current year tea yield and income, to be carried out after being also selected in spring tea.
The remarkable advantage of the present invention is:
According to the beautiful line weevil pests occurrence rule of tea and harmful characteristics, use biological control and agricultural measures for Control Technology core and conjunction
It manages and carries out green prevention and control using efficient, low toxicity, less-persistent pesticide, form a kind of method of the beautiful line weevil of Synthetical prevention tea, energy gram
The deficiency in each use is taken, the effect of Collaborative Control pest and disease damage is given full play to, can effectively control the beautiful line weevil pest of tea
Generation and harm, to promoted tealeaves economic value be of great significance.
Thiacloprid is a kind of novel chloro nicotinic insecticide, act on insect nerve engagement caudacoria, by with nicotine second
Acetylcholine receptor combines, and interference insect nervous system normal conduction has special efficacy, spiral shell worm second to pierce-suck type and pests with chewing mouthparts
Ester category tetronic acid class compound, is a kind of novel insecticidal acaricide.Biphenthrin belongs to cinerins pesticide, by with insect
Specific site on the channels Na+ of nerve cell axons position combines, and changes neurilemmal three-dimensional structure, and ion channel gap becomes
Small, neu reduces Na+ permeabilities and generates toxicity.Spiral shell worm ethyl ester is the novel compounds of a kind of efficient interior suction and Bidirectional Conduction.
By inhibiting the activity of the acetyl-CoA carboxylase in pest body fat building-up process, to inhibit the synthesis of fat, block
The normal energetic supersession of pest, eventually leads to and dies.It carries out the alternating rotation of different role mechanism medicament to use, its anti-medicine can be delayed
Sexual development speed.
Specific implementation mode
Further to disclose rather than the present invention is limited, the present invention is described in further detail below in conjunction with example.
Embodiment 1
A kind of method of the beautiful line weevil of Synthetical prevention tea, includes the following steps:
(1)Agricultural measures:A. intertillage goes out pupa i.e. in 10 cm of Sheng pupa time deep ploughing tea clump bilateral soil;B. using between the woods tea of tea place
Work, interplanting green manure, balance fertilizing, rational pruning and in due course picking measure;
(2)Physical control:A. manual catching and killing shakes tea tree i.e. in full incidence period ground paving plastic film, and concentration is burnt;B. poultry is controlled
Worm, that is, adult full incidence period puts chicken in tea place, and the fluffy face of slap tea tree is conducive to chicken and preys on;
(3)Biological control:Kg/ mus of 871 bacterium powder of muscardine 0.5~1.0,2-3 days after dispenser, field keeps humidity 70-80%;
(4)Chemical prevention:2.5% Biphenthrin missible oil, 100 milliliter/mu, 25% 30 grams/acre of Diacloden WG, 24% spiral shell worm ethyl ester
60 milliliters/mu of SC, rotation use.
Step(1)The rational pruning includes sizing trimming, ultralight trimming, light pruning, trims, deeplys prune and deep pruning six deeply
Kind, wherein
Sizing trimming:Shrub type young plant, using 3+2 Pruning models, i.e. tea tree is cut across to 2 full ages, annual 1 time later, most
It trims 3 times less;1st sizing trimming requires stem thickness at liftoff 5 cm of tea tree to reach 0.3cm or more, is carried out when setting high 30 cm or more,
With seacteur, major branch is cut off at liftoff 15cm;2nd sizing trimming improves 10~15cm on the basis of previous, only cuts trunk
On 1 grade of branch of 30 cm or more from the ground for sending out, retain 2 grades of branches;3rd sizing trimming improves 10 on the 2nd clip
~15cm, is cut or flat shape trimmer with level, is cut into horizontal tree crown;After 3 sizing trimmings, tea tree height is 50~60cm, tree
70~80cm, start gently to adopt stay it is foster, when tree is up to 70cm or more, by light pruning requirements culture tree crown, sizing trimming period
It is selected in 30 d before spring tea;Arbor type young plant, using segmentation shape trim mode, i.e., in batches, repeatedly, segmentation carry out, 2 years
Interior completion sizing trimming;The 1st sizing trimming is carried out when stem thickness reaches 0.4cm or more at tea tree from the ground 5cm, clip is from the ground
Highly 10~12cm, whole year are repeatedly trimmed depending on tree vigo(u)r;The branch stem thickness more than clip is long up to 0.35cm or young sprout later
7~8, leaf carries out shaping trimming, and clip improves 8~12cm on the basis of previous clip;Trimming period is arranged in growth of tea plant
Season should not carry out in high temperature and drought or low-temperature cold period;
Ultralight trimming:The smooth of tea tree picking surface is not pursued in trimming, retains tea tree branch as possible;Autumn and winter ultralight trimming, one
As when growth of tea plant stops, wipe out 3~5 leaf tender tips of the non-lignifying in branch top, spring opens the ultralight trimming of 30d before garden,
Bud-leaf of the branch top by freeze injury is wiped out, does not wipe out 2~3 leaves by the branch of freeze injury;While wiping out branch top, cut off
Tea tree in-leg thin and delicate side shoot and sick branch;
Light pruning:The light pruning of operation tea place includes having a shave and equating two ways:It was cut in last time 1. the mode of having a shave refers to cutting range
It improves 5~8cm on the basis of mouthful to cut across, trimming degree is slightly heavy;2. it is basic equating crown, trimming that equating mode, which refers to crown surface,
Degree is shallower;The light pruning of operation tea place is annual 1 time general, if tree crown is more neat, growing way is vigorous, next year trims 1 time;It will tree
Crown scissors camber, light pruning are typically arranged at when autumn and winter growth of tea plant stops and carry out, later or have the tea of freeze injury for envelope garden
Garden, selection 30d before spring tea are carried out or are carried out after being arranged in spring tea;
Deep trimming:The chicken feet branch layer on tree crown top is cut off, the 1st deep trimming carries out in the 18th age of tea tree, later every 3~5 years
Deep trimming 1 time;The deep trimming time before spring tea sprouts, to avoid reducing current year spring tea yield, trims deeply after spring tea, deep
Must stay foster season tea, arid area that should not deeply be trimmed after summer tea after trimming, no freeze injury tea area the time of the year when autumn changes into winter seal garden when into
Row;
It deeplys prune:It usually cuts off and sets high 1/3~1/2, stay stake height from the ground, flexibly grasped according to tree vigo(u)r, usually
35~45cm, the cutting range in same tea place is not just low just high, makes full wafer tea place height unanimous on the whole after trimming;
Tea tree deeplys prune the time deeplyd prune at 26~28 age for the 1st time and is selected in the early spring that tea tree is in growth rest period, but serious shadow
Current year tea yield is rung, or is deeplyd prune after being selected in spring tea, that is, can guarantee the spring tea yield of current year;
Deep pruning:Method is that whole limb on the ground are cut off from the liftoff 5~10cm of rootstock, cuts off withered old branch and the disease pest in tree body
Branch retains healthy and strong branch, coordinates deep trimming and light pruning, 10 years tea tree deep pruning update cycles, before time of deep pruning is selected in spring tea, but
To consider current year tea yield and income, or carried out after being selected in spring tea.
Embodiment 2
A kind of method of the beautiful line weevil of Synthetical prevention tea, includes the following steps:
Step(1)-(3)With embodiment 1
Step(4)It can also add and double to kill, to make pesticide reduction use, specific medication is as follows:2.5% Biphenthrin missible oil 70
Milliliter/mu+double to kill 14 milliliters/mu, 5% 20 grams/acre of Diacloden WG+double to kill 4.5 milliliters/mu, 24% spiral shell worm ethyl ester SC
40 milliliters/mu+double to kill 8 milliliters/mu, rotation uses.
Control effect of 1 different agents of the table processing to the beautiful line weevil of tea
Note:Same column Multiple range test, different capitalizations indicate that difference is extremely notable(P< 0.01), different lowercase letter indication differences
Significantly(P< 0.05).
The foregoing is merely presently preferred embodiments of the present invention, all equivalent changes done according to scope of the present invention patent with
Modification should all belong to the covering scope of the present invention.
Claims (3)
1. a kind of method of the beautiful line weevil of Synthetical prevention tea, which is characterized in that the described method comprises the following steps:
(1)Agricultural measures:A. intertillage goes out pupa i.e. in 10 cm of Sheng pupa time deep ploughing tea clump bilateral soil;B. using between the woods tea of tea place
Work, interplanting green manure, balance fertilizing, rational pruning and in due course picking measure;
(2)Physical control:A. manual catching and killing shakes tea tree i.e. in full incidence period ground paving plastic film, and concentration is burnt;B. poultry is controlled
Worm, that is, adult full incidence period puts chicken in tea place, and the fluffy face of slap tea tree is conducive to chicken and preys on;
(3)Biological control:Kg/ mus of 871 bacterium powder of muscardine 0.5~1.0,2-3 days after dispenser, field keeps humidity 70-80%;
(4)Chemical prevention:2.5% Biphenthrin missible oil, 100 milliliter/mu, 25% 30 grams/acre of Diacloden WG, 24% spiral shell worm ethyl ester
60 milliliters/mu of SC, rotation use.
2. a kind of method of the beautiful line weevil of Synthetical prevention tea, which is characterized in that the described method comprises the following steps:
(1)Agricultural measures:A. intertillage goes out pupa i.e. in 10 cm of Sheng pupa time deep ploughing tea clump bilateral soil;B. using between the woods tea of tea place
Work, interplanting green manure, balance fertilizing, rational pruning and in due course picking measure;
(2)Physical control:A. manual catching and killing shakes tea tree i.e. in full incidence period ground paving plastic film, and concentration is burnt;B. poultry is controlled
Worm, that is, adult full incidence period puts chicken in tea place, and the fluffy face of slap tea tree is conducive to chicken and preys on;
(3)Biological control:Kg/ mus of 871 bacterium powder of muscardine 0.5~1.0,2-3 days after dispenser, field keeps humidity 70-80%;
(4)Chemical prevention:2.5% Biphenthrin missible oil, 70 milliliter/mu+double to kill 14 milliliters/mu, 5% 20 grams/acre of Diacloden WG
+ double to kill 4.5 milliliters/mu, 24% spiral shell worm ethyl ester SC, 40 milliliters/mu+double to kill 8 milliliters/mu, rotation uses.
3. a kind of method of the beautiful line weevil of Synthetical prevention tea according to claim 1 or 2, it is characterised in that:Step(1)Institute
It includes that sizing trimming, ultralight trimming, light pruning, depth are trimmed, deeplyd prune and six kinds of deep pruning to state rational pruning, wherein
Sizing trimming:Shrub type young plant, using 3+2 Pruning models, i.e. tea tree is cut across to 2 full ages, annual 1 time later, most
It trims 3 times less;1st sizing trimming requires stem thickness at liftoff 5 cm of tea tree to reach 0.3cm or more, is carried out when setting high 30 cm or more,
With seacteur, major branch is cut off at liftoff 15cm;2nd sizing trimming improves 10~15cm on the basis of previous, only cuts trunk
On 1 grade of branch of 30 cm or more from the ground for sending out, retain 2 grades of branches;3rd sizing trimming improves 10 on the 2nd clip
~15cm, is cut or flat shape trimmer with level, is cut into horizontal tree crown;After 3 sizing trimmings, tea tree height is 50~60cm, tree
70~80cm, start gently to adopt stay it is foster, when tree is up to 70cm or more, by light pruning requirements culture tree crown, sizing trimming period
It is selected in 30 d before spring tea;Arbor type young plant, using segmentation shape trim mode, i.e., in batches, repeatedly, segmentation carry out, 2 years
Interior completion sizing trimming;The 1st sizing trimming is carried out when stem thickness reaches 0.4cm or more at tea tree from the ground 5cm, clip is from the ground
Highly 10~12cm, whole year are repeatedly trimmed depending on tree vigo(u)r;The branch stem thickness more than clip is long up to 0.35cm or young sprout later
7~8, leaf carries out shaping trimming, and clip improves 8~12cm on the basis of previous clip;Trimming period is arranged in growth of tea plant
Season should not carry out in high temperature and drought or low-temperature cold period;
Ultralight trimming:The smooth of tea tree picking surface is not pursued in trimming, retains tea tree branch as possible;Autumn and winter ultralight trimming, one
As when growth of tea plant stops, wipe out 3~5 leaf tender tips of the non-lignifying in branch top, spring opens the ultralight trimming of 30d before garden,
Bud-leaf of the branch top by freeze injury is wiped out, does not wipe out 2~3 leaves by the branch of freeze injury;While wiping out branch top, cut off
Tea tree in-leg thin and delicate side shoot and sick branch;
Light pruning:The light pruning of operation tea place includes having a shave and equating two ways:It was cut in last time 1. the mode of having a shave refers to cutting range
It improves 5~8cm on the basis of mouthful to cut across, trimming degree is slightly heavy;2. it is basic equating crown, trimming that equating mode, which refers to crown surface,
Degree is shallower;The light pruning of operation tea place is annual 1 time general, if tree crown is more neat, growing way is vigorous, next year trims 1 time;It will tree
Crown scissors camber, light pruning are typically arranged at when autumn and winter growth of tea plant stops and carry out, later or have the tea of freeze injury for envelope garden
Garden, selection 30d before spring tea are carried out or are carried out after being arranged in spring tea;
Deep trimming:The chicken feet branch layer on tree crown top is cut off, the 1st deep trimming carries out in the 18th age of tea tree, later every 3~5 years
Deep trimming 1 time;The deep trimming time before spring tea sprouts, to avoid reducing current year spring tea yield, trims deeply after spring tea, deep
Must stay foster season tea, arid area that should not deeply be trimmed after summer tea after trimming, no freeze injury tea area the time of the year when autumn changes into winter seal garden when into
Row;
It deeplys prune:It usually cuts off and sets high 1/3~1/2, stay stake height from the ground, flexibly grasped according to tree vigo(u)r, usually
35~45cm, the cutting range in same tea place is not just low just high, makes full wafer tea place height unanimous on the whole after trimming;
Tea tree deeplys prune the time deeplyd prune at 26~28 age for the 1st time and is selected in the early spring that tea tree is in growth rest period, but serious shadow
Current year tea yield is rung, or is deeplyd prune after being selected in spring tea, that is, can guarantee the spring tea yield of current year;
Deep pruning:Method is that whole limb on the ground are cut off from the liftoff 5~10cm of rootstock, cuts off withered old branch and the disease pest in tree body
Branch retains healthy and strong branch, coordinates deep trimming and light pruning, 10 years tea tree deep pruning update cycles, before time of deep pruning is selected in spring tea, but
To consider current year tea yield and income, or carried out after being selected in spring tea.
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CN110915523A (en) * | 2019-12-12 | 2020-03-27 | 湖南省林业科学院 | Green prevention and control method for main pests of camellia oleifera |
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