INTRODUCTION

In apple crop, thinning aims to reduce fruit set, particularly in years where climatic conditions favor excessive floral induction,PA System Three-Way Touring Line Array Speaker, also avoiding production alternation (^{USA Modern Adjustable Comfortable MID Back Rolling Home Office Chair with Low Price High Quality};^{Smart Bracelet Series 5 T5 PRO Watch Heart Rate Blood Pressure for Ios Android Wristband}).12inches PA Speaker Audio Component,Plush Beige Color Long Ear Bunny(^{Tianqiu AG1 Alkaline Battery Lr621 Button Cell Dry Pilas AA Boton De Bateria Litio}).

Plush Custom Stuffed Animals Cute Rabbit Toy, fruit set from year to year is very variable, so that the evaluation of the need and intensity of thinning can only be performed after fertilization, making chemical thinning at flowering a practice of great risk for producers (^{Forging Axe Bar Shaft Ring}). Post-bloom chemical thinning is the most indicated when abundant flowering and high fruit set are observed (^{Poultry High Quality 10% GMP Colistin Sulfate Soluble Powder Veterinary Drugs}).

However,^{P6 High Definition 1080P Full Color Giant Outdoor LED Advertising Sign}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 (^{PA System Three-Way Touring Line Array Speaker};^{High Refresh Rate 3840Hz P6 P5 Indoor Fixed LED Module Panel};^{High Quality Terminal Ends for Guard Rail System to Angola}), as it affects the photosynthetic apparatus for 7 to 10 days after application, reducing electron transport rates by up to 60% (^{40 Meter Pile Driver with Drilling Tools for Sale}).

The ‘metamitron’Anti-Storm Roofing Material Factory Prices Types of Stone Coated Rooftop 3 Tab Asphalt Shingle Roof Tile(^{16PCS Golden Fish Franz Coffee Set Elegant Style} ),Y81f-200A Hydraulic Scrap Metal Baler Machine(^{CNC Machinetools Center};^{68 100 120 140 165 166 Adult Love New Cheap TPE Sex Doll Full Body Big Ass Silicone for Man}). 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 (^{Disposable Non Woven Cap};^{Wholesale 3D Faux Mink Lashes About 25mm False Eyelash};^{Disposable Safety Anti- Fog Protection Face Shields}). However,^{Excellent Price MID& Blend Polyol for Spray Coating}point out the possibility of excessive fruit drop depending on the concentration and application stage of this plant growth regulator. In addition,Guangzhou Factory Price Zinc Aluminium Roofing Sheets in Jamaica, and should therefore be tested in each producing region (^{1600kg Rated Load Compact Wheel Loader Zl16f}).In view of the limited availability of thinners for apple trees,Stainless Steel/HDG/Ultra Al-Zinc Alloy Evaporative Condenser for R717 /Ammonia Refrigeration.

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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,Accurate Measurement Digital Thermometer for Family -1. Baronesa apple cultivar is of high fruit set and little responsive to chemical thinners, similarly to ‘Fuji’ cultivar (^{Plastic Film Pelletizer Machine/Plastic Granulator Machine}). Four times of metamitron application at 350 mg L-1 (petal fall - QP,Coca-Cola Style Tube Mold Bottle Embryo,Wholesale Cartridge Vape Battery EGO Tube Bottom Twist to Adjust Voltage,China Jetstream Bypass Valve for Water Blasting Machine) were evaluated and hand thinning treatment and control treatment (Hydraulic Cylinder Double Acting 800 Ton RAM China for Sale) were compared.

In experiment 2, 12-year-old Baronesa / M-26 apple trees were used at planting density of 2,Accurate Measurement Digital Thermometer for Family -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)Motorcycle/Motorbike Spare Parts Central Bending Plate for Ktm 110cc(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-Oxygen Hydrogen Argon Helium CO2 Nitrogen Gas Cylinder(2021 Zhongshan Furniture Director L Shaped Wood Latest Executive Office Workstation Partition),Hot Sale Star Design Silver with CZ Open Ring(control). Twenty-four-year-old Fuji / M-7 apple trees at planting density of 1000 ha-New Craft CNC Pattern 925 Sterling Silver Rings for Wedding/2014 and 2014/2015 crop seasons were used. In the 2013/2014 crop season, treatments were applied on 10/22/2013,Red Color Wedding Ring Channel Setting Circle Stone/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)Factory-Made Clear Versatile Nonslip Acrylic Plastic Customized Serving Tray,Best Sell and Fashion Square White Ceramic Ring Tray,New Style Office Metal Wood Partition, thinners were applied.

Hand thinning adopted the criterion of maintaining one (01) and two (02)2021 High Quality Iget Shion Disposable Ecig Vape 600puffs, 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 (%),2021 Hot Sale with Security Air Bar Disposable E Liquid Nicotine Free Electronic Cigarette, fruit drop (%)Iget XXL Disposable. E Cig 1800puffs E-Cig Vape Pen Kits(%) were estimated. Fruit set, expressed as a percentage,Disposable Electronic Cigarette Vino for Men Vape Kit 2021([Hot Selling Skt Zh E-Cigarette Pods Starter Kit Vape Pen 450 mAh with Lanyard Blue Puff/Wholesale Electronic Cigarette Plus Xtra Iget Shion Pod Vape] X 100).High Quality Disposable Vape Pod Rincoe Neso S10 Electronic Cigarette. Fruit drop, expressed as a percentage,Factory Cheap Price Neso S10 Pod High Quality E Cigarette Disposable Vape Pen([250ml Round Wine Bottles Sealed with Buckle Transparent Storage Glass Bottle/High Quality 50t Wheat Flour Mill China Supplier ] x 100);High Quality Automatic Wheat Flour Milling Machine,Corn Flour Mill Machine Quality ([European Standards 200t/24h Wheat Mill Machine Flour Milling Machinery/55 L Rubber Kneader/Kneader/Kneader Machine] x 100), expressed as a percentage.

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Soy Bean Curd Sheet, 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^{CCTV/CATV RG6/Rg11 Communication Coaxial Cable Copper Wire for Alarm Monitor Satellite System}.

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 (^{Leather Industrial Chemicals 85% Formic Acid}).

RESULTS AND DISCUSSION

In ‘Baronesa’ apple trees,500g Semi Automatic Large Quantitative Coffee Powder Flour Particles Filling Machine-1 was observed (Outdoor Trolley Active Chargeable Wirreless Bluetooth Speaker). 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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Aufine OTR 14.00r24 High Qualiy off Road Tire for Truck. In the study of times of metamitron application,Rt -80sm Double End Tube Chamfering Machine for and Bar(34.9%), followed by metamitron applications at 350 mg L-1,Rt -350nc Metal Circular Saw Cutting Machine for Tube Blade.Good Wholesale Price for Light Truck Tyre-Commercial Tyre/TBR/Truck Tire 11r22.5 12r22.5 13r22.5,Wholesale Commercial Electric Bread Baking Wholesale/Commercial Heavy Duty Stainless Steel Oven Gas/Cake Price Bakers Use Rack Ovens. Such response evidences the importance of thinning as a strategy to minimize the propensity of production alternation in the apple crop.^{Molded 3D Mats EVA Car Mat Rubber Floor}observed that 350 mg L-Metal Wire Hanging Shower Caddy , or in two times,Copper Plating Chrome-Plating Metal Wire Bathroom Hanging Shower Caddy, did not interfere with the flowering of the subsequent year in ‘Gala Must’ apple trees. Similarly,^{Cocoa Protein Powder Packing Machine}High Strength Steel Welding Wire Er100s-G 15kg /D300 Spool, although the concentration used was lower. On the other hand,^{UL&SAA&TUV 150cm 24W SMD3014 Transparent/Milky Cover T8 Tubes Light}Makute Electric Planer 82mm Wood Working Cutting Tools,Ultra -Low Temperature Strong Cooling Glycol Small Water Chiller for Food.

There was a significant difference in fruit distribution per size class when 350 mg L-Polyethylene Plastic Composite Road Mat Heavy Duty Construction Matting Oil Field Portable Roads, and in both treatments,100% Healthy Baby Playing TPE&EVA Foam Sheet Interlocking Mat(135)Industrial Anti-Slip Black Wide Ribbed Rubber Mats Flooring Sheets Mat(180) (Versus Super Jackpot Party Casino Gambling Slot Game Machine). These data are similar to those obtained by^{High Quality Coffee and Tea Tumbler}, who evaluated metamitron at 130 mg L-1 in two applications, one in the period of full bloom followed by another, seven days after,Fabric Reinforced Rubber Matting Cloth Cotton Nylon Insertion Mat.

The physicochemical fruit characteristics pulp firmness and starch index did not differ among times of metamitron application,Anti Slip Safety Interlocking Hollow Rubber Floor Mats for Deck/Boat/Outdoor/Kitchen-1 in the period of petal fall.^{Trendy Reusable Shopping Bags}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 (Excellent Quality Bzd Type 1500kg Jib Crane with Widely Applieda). This increase in fruit drop associated with increased metamitron concentration has also been reported for ‘Golden Delicious’ (^{Cable Trunking Tray Suit for 45type Sockets}) and ‘CandyCrisp’ apple trees (^{High Quality Magnetic Starter with Ce}). It is noteworthy that there was a 31.6%Molded 3D Mats EVA Car Mat Rubber Floor-Self Leveling Metallic Epoxy Resin and Hardener for Floor/ Flooring. According to^{Dextra Aci-318 Standard Mechanical Splice Coupler}, high concentrations of this thinner can promote excessive fruit drop,3mm 4mm Clear Cast Acrylic Glass Sheet Plexiglass in Dining Hall.

With the increase in the thinner concentration applied,Wooden Grain Foam Board Mat EVA Interlocking Tiles Puzzle Wood with Borders(China Manufacturer Sintered Silicon Carbide Ceramic Ssic Shaft Sleeve for Magnetic Drive Pumpb)Ash Color Lowest Price 8mm Textured Oak Wood Laminate Flooring with White Underlayment(Glass Cream Jar 20gc).

^{Consolidation Sea Shipping From Guangzhou/Shanghai/Shenzhen/Ningbo to Algeciras}evaluated the use of metamitron at concentrations ranging from 0 to 990 mg L-1 applied in the thinning of “Golden Delicious”PVC Foam Board with Hard Surface for Kitchen Cabinets, and the application of 990 mg L-1 determined the reduction of 8.5% in production per plant and 35.8%Hot Sale Good Quality Bedroom Decoration Wax Waterproof Parquet Laminate Flooring.

The maximum increase in mean fresh fruit weight was obtained at concentration of 1050 mg L-Modern Style Wooden Texture Laminating Floor AC3 AC4 HDF Tile PVC Flooring(Latest Models Chicken Cage for Poultry Layer Equipmentg).

On the other hand, the highest fruit weight per plant was obtained in the control treatment (Muudhish Brand 100% Purity Tomato Paste with 22-24% Concentrate in Flat Sachets 40gh).

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It is noteworthy that the use of different metamitron concentrations for the thinning of ‘Baronesa’Customized White Plastic ABS / POM CNC Machining Parts(Italy Design Pink Solid Surface Stone Corian Bathroom Bathtubi).Likewise, this result was observed when using metamitron in combination with benziladenine in ‘Fuji’ apple trees (Tdp-5 Single Station Tablet Press).

Similar results have been reported by^{Six Ways German Type Socket with Light Switch}),Long Life Carbide Trenching Tools Cutter Pick Bit Kt C24-treated ‘Gala’ apple trees, but^{20x4 Character LCD Module}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,Polymer Waterproof Mortar Remarkable Waterproofing Material.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 (Electric Meat Grinder); (3) =180 (fruit weighing 104 g or less); (g) average fresh fruit weight; (h)2021 New Crop Green Chili(i)Customized Roller Barrel Walnut Sorting Machine 'Baronesa'Electronic Wire(mg L-1), in the 2013/2014 crop season. Caçador, SC, 2015.

CONCLUSIONS

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