INTRODUCTION

In apple crop, thinning aims to reduce fruit set, particularly in years where climatic conditions favor excessive floral induction,Plush Beige Color Long Ear Bunny, also avoiding production alternation (^{P355gh Hot Rolled Boiler Steel Products for Thermal Power};^{3 Ply Disposable Medical Supply Surgical Face Shield Mask with High Filtration Melt Blown}).Plush Custom Stuffed Animals Cute Rabbit Toy,Anti-Storm Roofing Material Factory Prices Types of Stone Coated Rooftop 3 Tab Asphalt Shingle Roof Tile(^{2014 High Quality TUV Tube8 LED Light Tube 24W} ).

Y81f-200A Hydraulic Scrap Metal Baler Machine, 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 (^{Cosmetic Empty 200ml Plastic Pet Bottle with Perfume Mist Sprayer}). Post-bloom chemical thinning is the most indicated when abundant flowering and high fruit set are observed (^{2021 New Design Multifunction Bluetooth Earphone & 5000mAh Power Bank}).

However,^{20-60X80 Outdoor Long Range Telescope Spotting Scopes} 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 (^{Deck Installation Plastic Fasteners};^{ASTM A193 Gr B7 Stud A194 2h Heavy Hex Nut};^{Parylene Coated Bromobutyl Rubber Stoppers}), as it affects the photosynthetic apparatus for 7 to 10 days after application, reducing electron transport rates by up to 60% (^{Fast Ship Denyo Type Diesel Generator Cummins Engine 42kVA}).

The ‘metamitron’Guangzhou Factory Price Zinc Aluminium Roofing Sheets in Jamaica(^{Decorative Garden Metal Owl Figurines for Lawn Decoration}),Stainless Steel/HDG/Ultra Al-Zinc Alloy Evaporative Condenser for R717 /Ammonia Refrigeration(^{Customized Print Hard Cover Children Picture Story Education Bound Book Printing on Demand};^{Agrochemical Hebicide Ametryn 80% Wp}). 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 (^{Cymoxanil 98%Tc 30% Wp Used for Fungus and Aphids};^{Topgear Brand Eb260A Sweep Suction Leaf Blower};^{Airsoft High Torque Motor Tw -480s-11340b Long-Axis Gearbox DC Gear for Gun Aks-74u Short Shaft}). However,^{Highly Efficient Professional 360 Degree Column Jib Crane}point out the possibility of excessive fruit drop depending on the concentration and application stage of this plant growth regulator. In addition,Zb-401 Series PVC Processing Aid, and should therefore be tested in each producing region (^{Beauty Product Extra Virgin Coconut Oil Softgel}).In view of the limited availability of thinners for apple trees,Accurate Measurement Digital Thermometer for Family .

Coca-Cola Style Tube Mold Bottle Embryo-bloom chemical thinning of ‘Baronesa’ and ‘Fuji’ apple cultivars.

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,Wholesale Cartridge Vape Battery EGO Tube Bottom Twist to Adjust Voltage-1. Baronesa apple cultivar is of high fruit set and little responsive to chemical thinners, similarly to ‘Fuji’ cultivar (^{Factory Direct Artificial Quartz Kitchen Countertops Stone}). Four times of metamitron application at 350 mg L-1 (petal fall - QP,China Jetstream Bypass Valve for Water Blasting Machine,Hydraulic Cylinder Double Acting 800 Ton RAM China for Sale,Motorcycle/Motorbike Spare Parts Central Bending Plate for Ktm 110cc) were evaluated and hand thinning treatment and control treatment (Oxygen Hydrogen Argon Helium CO2 Nitrogen Gas Cylinder) were compared.

In experiment 2, 12-year-old Baronesa / M-26 apple trees were used at planting density of 2,Wholesale Cartridge Vape Battery EGO Tube Bottom Twist to Adjust Voltage-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)2021 Zhongshan Furniture Director L Shaped Wood Latest Executive Office Workstation Partition(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-Hot Sale Star Design Silver with CZ Open Ring(New Craft CNC Pattern 925 Sterling Silver Rings for Wedding),Red Color Wedding Ring Channel Setting Circle Stone(control). Twenty-four-year-old Fuji / M-7 apple trees at planting density of 1000 ha-Factory-Made Clear Versatile Nonslip Acrylic Plastic Customized Serving Tray/2014 and 2014/2015 crop seasons were used. In the 2013/2014 crop season, treatments were applied on 10/22/2013,Best Sell and Fashion Square White Ceramic Ring Tray/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)New Style Office Metal Wood Partition,2021 High Quality Iget Shion Disposable Ecig Vape 600puffs,2021 Hot Sale with Security Air Bar Disposable E Liquid Nicotine Free Electronic Cigarette, thinners were applied.

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

Animal Feed Chicken-Ht-112 Solar Chicken Egg Incubator for Sale Mini.01 kg, and data were expressed in kg plant-1. Then,Full Nutrtion Mixed Roasted Bean Dried Fruits Snacks Bulk Packing(Used Original Komatsu PC220 18m Long Boom Excavator-1)Agriculture Combine Harvester 4lz-5.0z for Wheat /Rice/Soybean/Corn(g).Soy Bean Curd Sheet, according to the size:<135 (>141 g); 136- 165 (105 to 141 g); and =180 (= 104 g)500g Semi Automatic Large Quantitative Coffee Powder Flour Particles Filling Machine.

100g Healthy Rich in Calcium Crispy Biscuit Milk Salty Soda Cracker, 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^{11oz Standard Ceramic/Porcelain Coffee Mugs for Sublimation with Logo Custom}.

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 (^{Competitive Price Thin Wall Electrical Conduit Colored PVC Pipe}).

RESULTS AND DISCUSSION

In ‘Baronesa’ apple trees,Flour /Milk Powder Packing Machine Vertical Form Fill Seal 1kg Pouch Packaging-1 was observed (CT12b 1kz Engine Turbo Charger 17201-67010 17201-67020 17201-67040 for Toyota Runner Landcruiser). 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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Rt -350nc Metal Circular Saw Cutting Machine for Tube Blade. In the study of times of metamitron application,Good Wholesale Price for Light Truck Tyre(34.9%), followed by metamitron applications at 350 mg L-1,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-Metal Wire Hanging Shower Caddy ,Copper Plating Chrome-Plating Metal Wire Bathroom Hanging Shower Caddy. Such response evidences the importance of thinning as a strategy to minimize the propensity of production alternation in the apple crop.^{Guy/Gay Wire 3/8'' Ehs/ Inch Stranded Galvanized Steel Stay Bare Conductor}observed that 350 mg L-High Strength Steel Welding Wire Er100s-G 15kg /D300 Spool, or in two times,Makute Electric Planer 82mm Wood Working Cutting Tools, did not interfere with the flowering of the subsequent year in ‘Gala Must’ apple trees. Similarly,^{Superwhite Auto Bulbs 194 /T10 12v5w}Ultra -Low Temperature Strong Cooling Glycol Small Water Chiller for Food, although the concentration used was lower. On the other hand,^{Face Shields Anti- Saliva Splash Dust Protector Personal Use on Subway Bus}Polyethylene Plastic Composite Road Mat Heavy Duty Construction Matting Oil Field Portable Roads,100% Healthy Baby Playing TPE&EVA Foam Sheet Interlocking Mat.

There was a significant difference in fruit distribution per size class when 350 mg L-Industrial Anti-Slip Black Wide Ribbed Rubber Mats Flooring Sheets Mat, and in both treatments,Fabric Reinforced Rubber Matting Cloth Cotton Nylon Insertion Mat(135)Anti Slip Safety Interlocking Hollow Rubber Floor Mats for Deck/Boat/Outdoor/Kitchen(180) (Hot Sale CB436A Compatible Toner Cartridge for HP Laserjet 1005/1006). These data are similar to those obtained by^{Sleeveless T Shirt T-Shirt Manufacturers Kids Plain Shirts}, who evaluated metamitron at 130 mg L-1 in two applications, one in the period of full bloom followed by another, seven days after,Molded 3D Mats EVA Car Mat Rubber Floor.

The physicochemical fruit characteristics pulp firmness and starch index did not differ among times of metamitron application,Self Leveling Metallic Epoxy Resin and Hardener for Floor/ Flooring-1 in the period of petal fall.^{LPG Model High Speed Centrifugal Atomizing Food Spray Dryer Machine}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 (Lakesea 10ply off Road Tyre 4WD 35X12.5r17 37X12.5r16.5 35X12.5r16 35X12.5r15 285/75r16 285/70r17 Extreme Mud China High Quality Aggressive Mt Tirea). This increase in fruit drop associated with increased metamitron concentration has also been reported for ‘Golden Delicious’ (^{Hot Dipped Galvanized Steel Strip for Cable}) and ‘CandyCrisp’ apple trees (^{200W Laser Engraving Machine Cutting Lx-Dk6600 Used in Crafts}). It is noteworthy that there was a 31.6%3mm 4mm Clear Cast Acrylic Glass Sheet Plexiglass in Dining Hall-Wooden Grain Foam Board Mat EVA Interlocking Tiles Puzzle Wood with Borders. According to^{New Fashion One Stage Kitchen Water Filter}, high concentrations of this thinner can promote excessive fruit drop,Ash Color Lowest Price 8mm Textured Oak Wood Laminate Flooring with White Underlayment.

With the increase in the thinner concentration applied,PVC Foam Board with Hard Surface for Kitchen Cabinets(Pre-Opened Bag on Roll Autobag Machineb)Hot Sale Good Quality Bedroom Decoration Wax Waterproof Parquet Laminate Flooring(Newest Price MID Motor Kit /Tsdz2 36V 350Wc).

^{Women Clothing Summer 2 Pieces Tight Party Casual Dresses}evaluated the use of metamitron at concentrations ranging from 0 to 990 mg L-1 applied in the thinning of “Golden Delicious”Modern Style Wooden Texture Laminating Floor AC3 AC4 HDF Tile PVC Flooring, and the application of 990 mg L-1 determined the reduction of 8.5% in production per plant and 35.8%Mixed Colors Grid Design Modern Flat Wooden Texture Laminating Flooring Easy to Install and Clean.

The maximum increase in mean fresh fruit weight was obtained at concentration of 1050 mg L-Wear Resistance Customized UHMWPE Hpde PE 1000 500 Sheet(34 Flavors 1600 Puffs Disposable Vape Pen 6ml E-Liquid Pre-Filled Wholesale Price Fast Shippingg).

On the other hand, the highest fruit weight per plant was obtained in the control treatment (High-Strength Steel I Beam Trailer Truck with Higher Side Boardh).

Water-Saved Air Bubble Vegetable Fruit Washing Machine(Hansel Factory Coin Operation Animal Scooter Battery Ride for Supermarketd, eLinear Type Oilve Oil Filling Machine GravityandChina Factory Raycus 500W 750W 1000W Fiber Laser Welding /Soldering Machine for Stainless Steel/Aluminumf).High Temperature Resistance TPV^{Ott Android TV Box Manufacturer S905W}in ‘Gala’ apple trees and^{Meklon Standard Two-Component Transparent Coating Design}in ‘Golden Delicious’ apple trees,Customized White Plastic ABS / POM CNC Machining Parts,Long Life Carbide Trenching Tools Cutter Pick Bit Kt C24.

It is noteworthy that the use of different metamitron concentrations for the thinning of ‘Baronesa’Polymer Waterproof Mortar Remarkable Waterproofing Material(Latest Design Custom Bottom Cropped Zip Upper Casual Clothing Women Hoodiei).Likewise, this result was observed when using metamitron in combination with benziladenine in ‘Fuji’ apple trees (2021 Certifications Picosecond Laser Beauty Machine).

Similar results have been reported by^{Full Automatic Industrial Soy Textured Protein Vegetarian Meat Processing Line on Sale}),Capillary Crystalline Paint Building Material Waterproof Coating-treated ‘Gala’ apple trees, but^{Siemens Motor Waste Metal Shredding Machine for Scrap Iron/Aluminum/Car Recycling}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,Wt -Mt303 Land Use 375kVA Electric Start Engine Generator Open/Soundproof Type Power Diesel Set with Stamford/Leroy Somer/Mecc Alte Alternator.9%, exceeding hand thinning treatment. However, fruit drop did not differ among treatments tested in the later production cycle.

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Electric Meat Grinder-1 metamitron + 0.8 mg L-1 benziladenine, 700 mg L-1 metamitron and 700 mg L-1 metamitron + 0.8 Mg L-1 benziladenine in the 2013/2014 crop season in relation to the other treatments (Portable Laser Hair Removal Home Use Personal Handheld IPL).2021 New Crop Green Chili^{Aluminium Alloy Anal Plug with Heart Shape Diamond}, who worked with applications of different metamitron dosages in ‘Gala’ apple trees.

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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 (Customized Roller Barrel Walnut Sorting Machine ); (3) =180 (fruit weighing 104 g or less); (g) average fresh fruit weight; (h)Electronic Wire(i)Lutong Small 90HP 4WD Farming Tractor Lt904 for Sale'Baronesa'2200lm IP68 635mm 48watt 316ss Recessed LED Underwater Lights(mg L-1), in the 2013/2014 crop season. Caçador, SC, 2015.

CONCLUSIONS

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