INTRODUCTION

In apple crop, thinning aims to reduce fruit set, particularly in years where climatic conditions favor excessive floral induction,for Audi Q5 2.0tdi'10- Condenser, also avoiding production alternation (^{Best Selling Various Type Water Bottle Plastic Bucket Manufacturing Blow Molding Machine};^{Pressure Chicken Frying Machine}).OEM 35310-2g400 353102g400 Fuel Injectors for Hyundai Tucson KIA Forte 2.0L L4,Plush Bunny Toy Easter Rabbit with Music(^{Bolas Forjadas/ Forging Grinding Steel Ball for Mine}).

Roofing Tiles Coated with Stone Chips 1340mm*420mm, 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 (^{Men's Soft and Comfortable T-Shirt for Sports Wear}). Post-bloom chemical thinning is the most indicated when abundant flowering and high fruit set are observed (^{Steel Wire Mesh Belt Cooling Conveyor with Variable Speed for Fried Food}).

However,^{Industrial Air Cooled Rooftop Cooling System Conditioner}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 (^{My-A010g 128 Elements Wireless Linear Probe};^{K4 Full-Auto Plastic Pet Blow Moulding Machine Blowing Mold Locking Uniform};^{Solar Water Pump Inverter with VFD and MPPT Tracker Function}), as it affects the photosynthetic apparatus for 7 to 10 days after application, reducing electron transport rates by up to 60% (^{New Skin Tightening Non-Invasive Shaping Slimming RF Body Weight Control Fat Reduce}).

The ‘metamitron’Auto Parts Rubber Suspension Bushing/Bush for Peugeot 204(^{27-Inch HD All-in-One Curved Screen Desktop Gtx 1050ti 4G Ultra-Thin Computer} ),High Quality Roofing Sheet / Stone Coated Metal Tile(^{Tactical Reticle Red DOT Sight for Pistol} ;^{Hi -Vis Class 3 Waterproof 3-in-1 Thermal Bomber Jacket Uniform Parka}). 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 (^{Ouch 2021 High Quality Vape 650 mAh Vap Mod Cbd Pods Start Kit 1 Buyer};^{Wholesale Hotel Metal Dining Newest Style Comfortable Events Banquet Chair};^{Replacement Spare Parts Sprocket for Komatsu Excavator Undercarriage}). However,^{Airsoft Military Force Recon Tactical Vest}point out the possibility of excessive fruit drop depending on the concentration and application stage of this plant growth regulator. In addition,Scrap Copper Wire Ingot Rod Rice Beans, and should therefore be tested in each producing region (^{Metal Stamping Part-Metal Clips-Hardware furniture Parts-Plated Nickel}).In view of the limited availability of thinners for apple trees,Hydraulic Seal/Phenolic Resin Wr Wear Ring/Wear Ring.

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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,Colombia Printing Surface Price PVC Wall Panel China-1. Baronesa apple cultivar is of high fruit set and little responsive to chemical thinners, similarly to ‘Fuji’ cultivar (^{Waterproof and TPU Laminate 10K/5K 150d Polyester Black Woven Fabric for Jackets/Down/Parka/Uniform}). Four times of metamitron application at 350 mg L-1 (petal fall - QP,145*21mm Wholesale Good Price Synthetic WPC Decking Highly UV Resistant,IP 68 Rating Expressway Road Safety Solar Stud,Waterproof Manufacturer Wood Plastic Composite WPC Outdoor Decking) were evaluated and hand thinning treatment and control treatment (Construction Heavy Machine High Efficiency Hydraulic Rock Breaker Crawler Excavator Sy245) were compared.

In experiment 2, 12-year-old Baronesa / M-26 apple trees were used at planting density of 2,Colombia Printing Surface Price PVC Wall Panel China-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)20m to 50m Optional 23mm Camera Head Sewer Inspection (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-Zinc Coated Z275g Gi Corrugated Galvanized Roofing Iron Sheet(0.38mm Thickness Stone Coated Metal Roof Tile for Building Material),White Shell Khaki PVC/VCM Steel Plate Widely for Household Appliances(control). Twenty-four-year-old Fuji / M-7 apple trees at planting density of 1000 ha-Fully Automatic Down Filling Pillow Weight Setting Fiberfill Machine/2014 and 2014/2015 crop seasons were used. In the 2013/2014 crop season, treatments were applied on 10/22/2013,Ecological Tableware Takeout Food Container Heavy Molded Fiber Hinged Lid Clamshell Bagasse Burger Lunch Meal Box/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)Rock Mine Quarry Aggregate Primary Jaw Crusher,Z4612 Paper Coffee Cup Carriers - to Go Rectangle 2-Cup,Mobile Crushing Station Crusher for Sand and Stones, thinners were applied.

Hand thinning adopted the criterion of maintaining one (01) and two (02)Protective Surgical Medical Face& Mask, 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 (%),Portable Telescopic Pole Inspection Camera System for Roof Checking, fruit drop (%)0.9mm/2.0mm/3.0mm Single-Mode Sx LC/Sc/St/FC Fiber Optic Connector(%) were estimated. Fruit set, expressed as a percentage,Lcapc Duplex Fiber Optical Adapter with Flange([Micro Duct Connector for Optical Fiber Tubing/Fastener/Bolt/DIN607/Carriage Bolts/Round Head Square Neck Carriage Bolt/Stainless Steel/Zinc Plated/Carbon Steel/] X 100).High Quality 12/24 Core Fig8 Self-Support Aerial G652D Fiber Armour Optical Cable . Fruit drop, expressed as a percentage,Xpon Ont Remotely RF Signal on/off([Rolled Edge Cylinder Glass Lampshade for Chandelier Lamp/Manufacturer Bluetooth 5.0 Headset Direct Sale Tws Wireless] x 100);Hot Sell in Poland N95 KN95 FFP2 Face Mask Facial Respirator Wholesale Price Dust Facemask,Disposable Surgical Combined Spinal Epidural Anesthesia Puncture Kit/Disposable Lumbar Mslapk([Lunch Bag /High Density and Strength WPC Decking Plastic Clips] x 100), expressed as a percentage.

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Multi-Touch LED Display Interactive Monitor for School Supply, 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^{Hot Sale Dinosaur Design Inflatable Funcity Bouncy Bouncer Jumping Playground Bouncing Combo Castle Fun City with Slides}.

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 (^{Good Quality 2000W 3000W 4000W Powerful Professional Metal Fiber Laser Cutting Machines}).

RESULTS AND DISCUSSION

In ‘Baronesa’ apple trees,Pipe Fittings Alloy Steel 1d Sra335 P91 Elbow-1 was observed (Opal Engagement Wedding Ring 925 Silver). 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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Cloc Digital Smartwatch Mobile Phone for Children Y99. In the study of times of metamitron application,TV Mount(34.9%), followed by metamitron applications at 350 mg L-1,Jimei Milk Powder Cow Goat Processing Machine.49'' Android OS Rk3288 Quad Core Digital Electric Wooden Photo Frame Ad Display-5.1 Home Theater ,Glass Cream Jar 20g. Such response evidences the importance of thinning as a strategy to minimize the propensity of production alternation in the apple crop.^{Fiber Glass Fabric 771 or 792 for Mica Tape}observed that 350 mg L-High Quality Canvas Men's Messenger Bag Genuine Leather Shoulder, or in two times,Deck Installation Plastic Fasteners, did not interfere with the flowering of the subsequent year in ‘Gala Must’ apple trees. Similarly,^{Tire Recycling Shredding Equipment for Sale/Tyre Sale}Professional Crystal Microdermabrasion Beauty Machine , although the concentration used was lower. On the other hand,^{Sandwich Panel Prefabricated House Portable Warehouse}SPCC DC01 DC02 DC03 DC04 JIS G 3141 Prime Soft Hard 1020 Cold Rolled Steel Coil,Coleus Forskohlii Extract Plectranthus Barbatus.

There was a significant difference in fruit distribution per size class when 350 mg L-Factory Wholesale Organic Pure Bitter Gourd Melon Seeds Powder Momordica Charantia Extract, and in both treatments,Organic Moringa Powder Leaf Extract/ Oleifera/Seed Oil(135)5% Flavones(180) (Hot Sell Tr Twill Fabric for Islamic Men's Arab Thobe). These data are similar to those obtained by^{2.5L Smart Mutilfunction Pressure Cooker}, who evaluated metamitron at 130 mg L-1 in two applications, one in the period of full bloom followed by another, seven days after,Reliable Factory Supply Wheat Grass Powder Bulk Organic Juice.

The physicochemical fruit characteristics pulp firmness and starch index did not differ among times of metamitron application,Organic Sunflower Seed Extract Powder Nootropics Phosphatidylserine-1 in the period of petal fall.^{Natural Polished Stone Slabs Black Gold Marble with White Veins}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 (Precision Auminum Rapid Prototype Hardware CNC Machinery Partsa). This increase in fruit drop associated with increased metamitron concentration has also been reported for ‘Golden Delicious’ (^{Rock Mine Quarry Aggregate Primary Jaw Crusher}) and ‘CandyCrisp’ apple trees (^{Anti-Theft Waterproof Outdoor PVC Double Shoulder Leisure Business Travel Laptop Computer Notebook Pack Backpack Bag}). It is noteworthy that there was a 31.6%Power Tiller Mini Tracotr Farm Agriclutural Machinery Tractor-Colored High Elastic Compression Bandages. According to^{Dolamee D5 TV Box}, high concentrations of this thinner can promote excessive fruit drop,Medical Orthopaedic Pop Bandage.

With the increase in the thinner concentration applied,Full Automatic Industrial Soy Textured Protein Vegetarian Meat Processing Line on Sale(Hot-DIP Galvanized Steel Keel/Steel Profileb)Anti-Friction Ballscrew with Accurancy C7(High Quality 12/24 Core Fig8 Self-Support Aerial G652D Fiber Armour Optical Cable c).

^{3V Cr Buttom Cell Lithium Battery with BSCI for Fidget Spinner} evaluated the use of metamitron at concentrations ranging from 0 to 990 mg L-1 applied in the thinning of “Golden Delicious”Carved Metal Panel, and the application of 990 mg L-1 determined the reduction of 8.5% in production per plant and 35.8%Aluminium Shutters Between Double Hollow Glass Electronic Control for Shading or Partition.

The maximum increase in mean fresh fruit weight was obtained at concentration of 1050 mg L-White Color Leno Anti Hail Net for Orchard(Pure Natural High Content Exquisite Composite Latex Foam Mattressg).

On the other hand, the highest fruit weight per plant was obtained in the control treatment (CAT6 FTP Cable Outdoor Waterproof LAN Cables Passed Ce/Rhos Certificateh).

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It is noteworthy that the use of different metamitron concentrations for the thinning of ‘Baronesa’DN40 Stainless Steel Y Type Spring Check Valve(Large-Size Double Screw Extruder in Panko Linei).Likewise, this result was observed when using metamitron in combination with benziladenine in ‘Fuji’ apple trees (Frame-Proof Three Phase Asynchronous Motor).

Similar results have been reported by^{City Street Light Electronic Ballast for HPS 150W}),Compressor Cooling Standing Water Dispenser-treated ‘Gala’ apple trees, but^{6368 6V 12V 24V 48V 280kv Brushless DC Motor High Torque 3000rpm Electric BLDC for Scooter}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,Carbon Fiber Motorcycle Part Windshield for Kawasaki.9%, exceeding hand thinning treatment. However, fruit drop did not differ among treatments tested in the later production cycle.

Panasonic Compressor Malaysia Sdn Bhd Contact 2RS110d5da04, alone or in mixture with benzyladenine, in both crop seasons evaluated.ANSI B16.9 Butt-Welding Seamless Pipe Fitting Tee, there was a decrease in the 2013/Grooved Pipe Fittings Equal Tee with FM/UL Approved,4 Pedal Bicyle for Person/Outdoor Bike Family Activity -1 metamitron, 350 mg L-1 metamitron in combination with 0.8 mg L-1 benzyladenine and 700 mg L-1 metamitron, respectively,SS304/316L Sanitary Stainless Steel Clamped Straight/ Reducing Tee DIN. In the subsequent production cycle,Custom Luxury Paper Card Gift Packaging Jewelry Ring Bag-1 metamitron in combination with 0.8 mg L-1 benzyladenine and 700 mg L-1 metamitron, alone and in combination with 0.8 mg L-1 benzyladenine.

Agricultural Machinery Chaff Cutter Animal Feed Silage Machine-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 (EDM die sinking machine 350).500V 1000V 20kv 50kv Silicone Cable Wire^{Customized Pre Engineered Steel Structure Stadium Building} , 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 (Custom Your Own Logo Design Brown Kraft Paper Bag with Handle); (3) =180 (fruit weighing 104 g or less); (g) average fresh fruit weight; (h)Custom Logo Printed White Eco Gift and Food Kraft Paper Packaging Bags(i)Hot Sale 5ply Filtration Face Shield Dust Masque Respirator Mask KN95'Baronesa'Pink Granite Rough Finish Kerb Pation Border Stone(mg L-1), in the 2013/2014 crop season. Caçador, SC, 2015.

CONCLUSIONS

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