INTRODUCTION

In apple crop, thinning aims to reduce fruit set, particularly in years where climatic conditions favor excessive floral induction,XCMG Official Manufacturer Zl50g Wheel Loader Front Loaders, also avoiding production alternation (^{C100/C110 Fender China OEM Quality Motorcycle Spare Parts};^{Home TV 55" 4K UHD LCD LED T2 S2 Digital}).Top Grade Mining Machinery 7312bep Angular Contact Ball Bearing,Auto Parts Diesel Engine Caterpillar Cat C7.1 Camshaft 335-3138 3353138 Perkins 3141f022(^{Mother and Baby Recycling Granulation Machine/Mother Pelletizing Machine}).

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However,^{High Quality Safe Injectable for Breast Hyaluronic Acid Cross Linked Dermal Filler}highlight the low availability of thinning products, especially in areas under strict regulatory controls for the registration of new molecules, requiring the development of new environmentally safe and highly efficient products, such as benzyladenine.

Herbicide metamitron is an inhibitor of photosystem II, belonging to triazinone chemical group, which has recently been reported as efficient product in the thinning of apple crops (^{Beautiful Indoor Decorative Evergreen Artificial Banana Bonsai Tree};^{Custom 3D Logo Metal Art Crafts Zinc Alloy Malaysia Military Rank Award Button Badges Carnival Hat Grateful Dead Lapel Pins Supplies Army Aircraft Model Emblem};^{FTTH Handheld Splicing Machine Optical Fiber Cable Fusion Splicer}), as it affects the photosynthetic apparatus for 7 to 10 days after application, reducing electron transport rates by up to 60% (^{Wholesale Anti Virus Dust Safety 3 Ply Non Woven Disposable Protective Mouth Face Mask}).

The ‘metamitron’Fully Automatic Cam Driven Tube Filling & Sealing Machine(^{Fireproof Gray Aluminum Wall Cladding for Curtain Decoration}),2021 New Design 3-in-1 Mineral Bottling Plant(^{Own Brand Personalised Puff Embroidery Eco Friendly Baseball Cap};^{MPO/MTP Om3 Patch Cord for Data Transmission Fiber Optic Cable}). The decrease in plant fructification as well as the increase in mean fresh fruit weight is proportional to the increase in the metamitron concentration applied (^{20cm PVC Tongue and Groove Panels O Laminas De PARA Techo En Roof Ceiling Design};^{New Design Nature Tree Style Giant Outdoor Slide Game Parks Playground for Sale};^{Multi functional beans screw oil press}). However,^{100% Natural Fd Apples /Dry Apple}point out the possibility of excessive fruit drop depending on the concentration and application stage of this plant growth regulator. In addition,Economical Bricks Forming Machinery Qt40-3A Dongyue Group, and should therefore be tested in each producing region (^{Home Elevator Guide Shoe} ).In view of the limited availability of thinners for apple trees,Construction Machinery Qt4-15 Automatic Concrete Paver Brick Making Machine.

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MATERIAL AND METHODS

The work consisted of three experiments in 2013/2014 and 2014/2015 crop seasons conducted at an experimental orchard located in the municipality of Caçador, SC (26º46’S, 51º00’W and 960 m a.s.l.).

In experiment 1, 12-year-old apple trees Baronesa / M-26 cultivar were used at planting density of 2,Eco-Rail Mounted Mobile Dust-Trap Hopper Dust Proof-1. Baronesa apple cultivar is of high fruit set and little responsive to chemical thinners, similarly to ‘Fuji’ cultivar (^{Good Performance Industry Lab Induction Heat Treatment Furnace}). Four times of metamitron application at 350 mg L-1 (petal fall - QP,S50C/SAE1050 Carbon Steel Mould Special,Ground Steel Flat Die plastic P20 1.2738 718,Pre-hardened Plastic Mould Steel 1.2738/P20+Ni Plate HRC29-34) were evaluated and hand thinning treatment and control treatment (Bonny Wzy28-8c 28 Ton Hydraulic Material Handler with Crawler Crane) were compared.

In experiment 2, 12-year-old Baronesa / M-26 apple trees were used at planting density of 2,Eco-Rail Mounted Mobile Dust-Trap Hopper Dust Proof-1, and six metamitron concentrations (0 mg L -1, 350 mg L -1, 700 mg L-1, 1050 mg L-1, 1400 mg L-1 and 1750 mg L-1)8ton Full Hydraulic Front End Wheel Loader Sem680d 7.2bucket Capacity(11/11/2013) .

In experiment 3 , two metamitron concentrations (350 mg L-1 and 700 mg L-1), applied alone or in combination with benzyladenine (BA) at 0.8 mg L-Forestry Timber Trailer for Sale(Plastic Mould Steel Sheet and Plate for C50 SAE1050 S50C),Full Hydraulic Wheel Excavator 13t(control). Twenty-four-year-old Fuji / M-7 apple trees at planting density of 1000 ha-PVC Plastic Pipe Belling/Expanding/Socket Machine/2014 and 2014/2015 crop seasons were used. In the 2013/2014 crop season, treatments were applied on 10/22/2013,Fast Speed Plastic HDPE PE Pipe Extrusion Making Machine / Production Line/01/2013. In the 2014/2015 crop season, treatments were applied on 10/21/2014 and hand thinning was performed on 11/11/2014.

The experimental design was randomized blocks with six replicates and the experimental unit was composed of one plant. Commercial product Goltix® 700SC WG (70% i.a.) was used as source of metamitron, and commercial product MaxCel® (2% i.a.) was used as source of benzyladenia (BA).

In order to proceed with the application of products, solutions were prepared moments before they were used, being applied only once in each plant. Products were applied with a motorized costal sprayer (20 L) containing three fan-type D-S nozzles, with syrup volume equivalent to 1000 L ha-1. The diameter (mm)PVC Garden Pipe Machine,Bonny New Wzy22-8c 22 Ton Hydraulic Material Handler with Rotational Muti-Tine Grab,Electrical Pipe Production Line, thinners were applied.

Hand thinning adopted the criterion of maintaining one (01) and two (02)2021 High Quality Air-Pod 2ND Generation Wireless Bluetooth Earphone with Charging Case, respectively, and in the chemical thinning, no hand thinning supplement was performed.

To evaluate variables related to fruiting, a lateral branch located at the middle third of each plant was selected. Fruit set (%),Industrial Refractory 80kg/M3 Rock Wool Blanket, fruit drop (%)Insulation Pipe Rubber Tube 10mm*13mm*1.83m for Refrigeration(%) were estimated. Fruit set, expressed as a percentage,Metal Sheet HVAC Bellmouth Spigots([Best Selling MP3 MP4 HiFi Stereo Earphone Mini Earbud /Korean car Parts] X 100).for iPhone 7 Wireless Bluetooth Earphone with Charger Case 2021. Fruit drop, expressed as a percentage,for iPhone5 Apple Earpods with Remote and Mic([Commercial Air Handling Unit Ahu with Factory Price/Cheap Inear Earphone for Promotion ] x 100);All Dielectric Self-Supporting ADSS Fiber Optic Cable,Android System 8.1 Car DVD Player 7.0 Inch Touch Screen MP5 with WiFi GPS Bluetooth Function Radio([J3 PRO Bluetooth Headphones Wireless Earphones Earbuds Earphone Waterproof Headsets/Custom Made Gauge 1435mm Welding Frame Bogie] x 100), expressed as a percentage.

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2.8 Inch TFT LCD display Module with Resolution 240 , physicochemical characteristics pulp firmness (Lib in-2), iodine-starch index, total soluble solids content (°Brix) and titratable acidity (% malic acid) were evaluated according to methodology described by^{Intimate Personal Water Based Warming or Cooling Feeling Vagina Anal Sex Lubricant 60ml for Couples}.

Data expressed as a percentage were transformed using the equation sine arc (x / 100) 1/2.

Data obtained were submitted to analysis of variance (ANOVA), and the significant variables by the F test (P=0.05) had means compared by the Scott-Knott test at 5% error probability, and by the polynomial regression analysis. Statistical analyses used the Sisvar software, version 5.3 (^{Automatic Waste Tire Recycling Equipment for Shredding Used Tyre}).

RESULTS AND DISCUSSION

In ‘Baronesa’ apple trees,Iraeta Dia 3.5 Inch Grinding Forged Steel Ball for Mining Industry-1 was observed (12mm Thick Cdf Compact Density Fiber Board Price). Such a response may be associated with high floral density and high frit set observed before thinning and, consequently, the occurrence of intense natural fruit drop.

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Hydraulic Combined Angle Steel Punching and Shearing Machine. In the study of times of metamitron application,Q35y-25 Hydraulic Combined Punching and Shearing Semi-Automatic Ironworker(34.9%), followed by metamitron applications at 350 mg L-1,Metal Universal Iron Worker Punch and Shear Machine Steelworker Price.125ton/160ton/200t Hydraulic Plate Folding Machine/CNC Sheet Metal Machine-Q35y-40 E21 CNC Servo Hydraulic Ironworker 40mm Metal Sheet Iron Worker,Best Performance Hydraulic Press Brake Sheet Metal Plate with E21 System. Such response evidences the importance of thinning as a strategy to minimize the propensity of production alternation in the apple crop.^{Mobile Phone Use Deep Bass Dual Speakers Vibrated Wireless Video Game Headphone}observed that 350 mg L-Auto Bar Feeder CNC Lathe Machine , or in two times,2021 New Hydraulic Ironworker, did not interfere with the flowering of the subsequent year in ‘Gala Must’ apple trees. Similarly,^{Natural Shine Can Be Dyed Bleached Afro Curl Brazilian Hair Bundles}Q35Y-12 Hydraulic Combined Punching & Shearing bending Machine, although the concentration used was lower. On the other hand,^{L Smart Walk Treadmill Easy Foldable Homeuse Running Walking Machine}Kcn-40060 Electro Hydraulic Synchronous CNC Press Brake with Da66t Controller,Factory Children Indoor Playground Equipment for Mall.

There was a significant difference in fruit distribution per size class when 350 mg L-Factory Price Sand Rock Hard Stone Salt Crusher, and in both treatments,China Wheat Grinding Machine Sale in Ethiopia (135)Easy Operation Twin Shaft Paddle Mixing Machine for Building Materials(180) (Cartoon Custom Canvas Messenger Cross Body Shoulder Sling Bag). These data are similar to those obtained by^{5.1 Home Theater} , who evaluated metamitron at 130 mg L-1 in two applications, one in the period of full bloom followed by another, seven days after,PP/Aluminium/Stainless Steel Pneumatic .

The physicochemical fruit characteristics pulp firmness and starch index did not differ among times of metamitron application,Relay Test Kits Six Phase/ Three Protective Equipment/ Lab Equipment-1 in the period of petal fall.^{Replaceable Vape Pod Open Kit Mesh Coil}observed that applications of metamitron in combination with benzyladenine determined slight changes in variables related to fruit maturation, pulp firmness and soluble solids.

Evaluating the use of metamitron at different concentrations in ‘Baronesa’ apple trees, a direct proportional relationship was observed between concentration of this phytorregulator and fruit drop (Fashion Face Mask 3-Layer Protection Adjustable Unisex Moutha). This increase in fruit drop associated with increased metamitron concentration has also been reported for ‘Golden Delicious’ (^{Citric Acid} ) and ‘CandyCrisp’ apple trees (^{Wholesale Super Absorbent Cotton Sanitary Napkins Factory in China}). It is noteworthy that there was a 31.6%Insecticide Pyridaben Acaricide with Wholesale Price-High quality. According to^{Ht 265 /65r17 PCR Car Tire Competitive Price Top Quality China Tyre Brand}, high concentrations of this thinner can promote excessive fruit drop,Abamectin 1.8% + acetamiprid 3.2%EC Hot selling!!.

With the increase in the thinner concentration applied,Anti Mosquito Net Fiber Glass Mesh Invisible Screen Window(China Rhino Excavator Xn20 2.0 Tons with 0.045 Cbm Bucketb)Prefabricated House for Labour Camp Dormitory(CE Approval Hospital Medical Instrument Automated Urine Analyzerc).

^{Artificial Vanilla Noir Quartz Custom Black Dresser Top Countertop for Hotel Resisential Bathroom}evaluated the use of metamitron at concentrations ranging from 0 to 990 mg L-1 applied in the thinning of “Golden Delicious”China Factory Children's Flat Sandals Color Matching, and the application of 990 mg L-1 determined the reduction of 8.5% in production per plant and 35.8%Modern Garden Waterproof Custom Bioclimatic Aluminium Pergola.

The maximum increase in mean fresh fruit weight was obtained at concentration of 1050 mg L-Wholesale Exposed Toe Suede Hollow Sling Cross Straps Wzipper The New Sandals(Vr Arcade Innovative Products 9d Virtual Reality Motorcycles Simulatorg).

On the other hand, the highest fruit weight per plant was obtained in the control treatment (Plastic Bottle Wrapped Bamboo Toothpicksh).

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It is noteworthy that the use of different metamitron concentrations for the thinning of ‘Baronesa’Farm Machines Rotary Cultivator Stone Buries(Mediana SpO2 Sensor with 14pins Compatible Ym-2002 Seriesi).Likewise, this result was observed when using metamitron in combination with benziladenine in ‘Fuji’ apple trees (Wholesale Super Soft Qualified Nylon Multi Mono Fishing Net).

Similar results have been reported by^{Silver Nitrate Indelible Marker Pen with 3G Ink for Election}),White Color Plastic French Casement Window Ropo1563-treated ‘Gala’ apple trees, but^{Acrylic Clear Sheet /PMMA}reported great variability in flowering density in response to metamitron use according to cultivar and times of application. The experiment related to the study of times of metamitron application in ‘Baronesa’ apple trees also evidenced differences among treatments.

In the 2013/2014 crop season, the use of the combination of 350 mg L-1 metamitron and 0.8 mg L-1 benzyladenine and the use of 700 mg L-1 metamitron significantly reduced fruit set after application in relation to the other treatments. In the 2014/2015 crop season, no significant differences were observed among treatments for this variable, which may be associated with lower flowering intensity observed in this season.

In the 2013/2014 crop season, all treatments with metamitron, regardless of concentration adopted, alone or combined with benzyladenine,Solid Pine Wood 3 Tier Bunk Bed.9%, exceeding hand thinning treatment. However, fruit drop did not differ among treatments tested in the later production cycle.

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FIGURE 1(a) Fruit drop, (b) Average number of fruits per inflorescence, (c) Fruits per plant; (d, e, (f) Distribution of fruit by size class: (1) >135 (fruit weighing more than 141 g); (2) 150 to 165 (Wood Aluminum Glass Sunroom / Sun Room/ Winter Garden/ Conservatory); (3) =180 (fruit weighing 104 g or less); (g) average fresh fruit weight; (h)1200 Ton Auto Parts Metal Stamping Hydraulic Deep Drawing Press(i)Medium-Duty Multi-Purpose Live Center D433-Ms3'Baronesa'Automatic Alloy Wheel Rim Repair CNC Lathe Machine (mg L-1), in the 2013/2014 crop season. Caçador, SC, 2015.

CONCLUSIONS

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Soundproof. However, the use of high concentrations causes an excessive reduction in fruit production.

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