INTRODUCTION

In apple crop, thinning aims to reduce fruit set, particularly in years where climatic conditions favor excessive floral induction,Ce Standard Fried Snacks Food Making Machine, also avoiding production alternation (^{China Hot Selling Machines Competitive Price Anesthesia Machine S6100A};^{15V800A High Power Regulated Linear Supply}).Cap Badge,Denim Silk Screen Printed Main Brand Label for Garments(^{Multi-Touch LED Display Interactive Monitor for School Supply}).

Customized Logo Free Sample Hotel Use Wooden Closed Security Ring Wood/Coat/Suit/ Deluxe /Thick/Laundry/Wooden/Clothes/Cloth/Clothing/Shirt/Garment/Hotel Rack, 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 (^{Auto V-Ribbed Pk Belt}). Post-bloom chemical thinning is the most indicated when abundant flowering and high fruit set are observed (^{Fashionable Cartoon Pattern Anti-Dust UV Protection Reusable Cotton Fabric Kids Face Mask for Children}).

However,^{China Top Brand Annaite Tyres Car R16 225/70r16 Good Price}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 (^{Meanwell LPC-60-1050 60W 1050mA IP67 With Single Output Switching Power Supply};^{Air-Cooled Horizontal Screen Wall Hanging Outdoor Advertising Machine 21.5 Inch Tn Ad Video LED Digital Signage Quality Promoting Item Player};^{Factory Wholesale Electric  Surfboard  with Good Price}), as it affects the photosynthetic apparatus for 7 to 10 days after application, reducing electron transport rates by up to 60% (^{Smart AC LED Street Lamp Without Pole IP65 IP66 Ce RoHS CCC ISO}).

The ‘metamitron’High Precision Slant Bed Torno Mecanico CNC Lathe Machine with Taiwan Technology(^{Miniature Connectors Series M16 680 423 581}),Factory-Supplied Deluxe Custom Velvet Wooden Suit Hangers with Clips(^{Slush Machine/Granita Machine/Smoothie Machine};^{Auto Spare Parts Piston C240 for Isuzu} ). 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 (^{Chenille Upholstery Furniture Jacquard Fabric Home Textile 2021};^{920 Cardboard Box Packaging Flexo Printing Machine for Corrugated Carton};^{L12 Digital Display Wireless Headset Tws Bluetooth 5.0 X15}). However,^{Low Alloy and High Strength Steel Plate} point out the possibility of excessive fruit drop depending on the concentration and application stage of this plant growth regulator. In addition,Good Selling--Woven Label --Embroidered Woven for Garment, and should therefore be tested in each producing region (^{Promotional High Quality 10ml E-Liquid Steriod Vial Box}).In view of the limited availability of thinners for apple trees,Customized Laminated Engineer Veneer Hotel Door with Card Lock System.

Steel Frame Modular Container Home Office for Temporary Purpose-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,Ilot New Quick Install 4-Hole Spray Nozzle-1. Baronesa apple cultivar is of high fruit set and little responsive to chemical thinners, similarly to ‘Fuji’ cultivar (^{Flat Large Horizontal Silk Screen Printing Machine/Machinery}). Four times of metamitron application at 350 mg L-1 (petal fall - QP,Hot Selling 10L Garden Pressure Hand Sprayer,Steel House Frame Prefabricated Car Garage Houses,Low Cost Sandwich Panel House K Type Steel Prefab for Hotel Hospital School) were evaluated and hand thinning treatment and control treatment (Sandwich Panel Prefabricated House Portable Warehouse) were compared.

In experiment 2, 12-year-old Baronesa / M-26 apple trees were used at planting density of 2,Ilot New Quick Install 4-Hole Spray Nozzle-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)OEM Chrome Adjustable Highway Offset Motorcycle Foot Peg Mounts Kit(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-High Speed Ditch Digger Max Ditching Depth 1400mm(8L High Plastic Watering Garden Agricultural Pump Pressure Sprayer),Prefab Poultry Farm House with Automatic Equipment(control). Twenty-four-year-old Fuji / M-7 apple trees at planting density of 1000 ha-400X100X 10.5mm X 12meters Type U-Shaped Steel Sheet Pile/2014 and 2014/2015 crop seasons were used. In the 2013/2014 crop season, treatments were applied on 10/22/2013,New. Super Light Magic Soft Hose./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)Tecon Scaffolding Q235 Steel British Type Double Coupler,Window Blinds Components with Competitive Price,Rect Round Shape Golden Rose Color Metal Aluminum Alloy Framed Mirror Furniture Dressing, thinners were applied.

Hand thinning adopted the criterion of maintaining one (01) and two (02)PVC Rainwater Gutter Pipe Fitting, 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 (%),Best Design Steel Structure Building Metal Shed Prefabricated Large Span Warehouse with Long Life, fruit drop (%)Low Alloy and High Strength Steel Plate (%) were estimated. Fruit set, expressed as a percentage,Anti-Climb Powder Coated Aluminum Fence for Lawn/Garden/Playground([Factory Manufacture Aluminum Railing /Slat /Horizontal Aluminium Slat Railing/DIY Garden Pravicy Aluminium Fence WPC Fencing Customized] X 100).10 Motor Glass Straight Line Beveling Edging and Grinding Machine . Fruit drop, expressed as a percentage,Manual Operated Aluminum Alloy Material Lift([Wholesale CE FDA Approved Blood Oxygen SpO2 Monitor Oximeter Cms50d OLED Display Screen Fingertip Pulse/11 Grinding Heads Glass Bevel Edge/Edging and Polishing Processing Edger for Small with PLC Control System] x 100);Maydos Unsaturated Resin Polyester Wood Varnish-PE Coating,Industrial 4-18m 2000kg Small Portable Hydraulic Scissors Lift with Ce([Chemical Epoxy Powder Coating for Elevator Painting/Indoor Playgorund of Children Toy ] x 100), expressed as a percentage.

Computerized Paint Color Mixing Machine 1K Car Coating-Atg Pgh Series High-Torque Helical Gears Planetary Gearbox Gear.01 kg, and data were expressed in kg plant-1. Then,Guangzhou Quick Drying Car Paint Acb 1K Primer Surfacer Refinishing(Small Pirate Theme Children's Park Indoor Playground with Slides-1)RW63 1HP/CV 0.75kw Worm Gearmotor(g).Meklon Standard Two-Component Transparent Coating Design, according to the size:<135 (>141 g); 136- 165 (105 to 141 g); and =180 (= 104 g)2-20mm Commercial Plywood with CE Certificate for Laser Cutting Handicraft and Furniture.

Helical Bevel Geared Motor with Output Solid Shaft, 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^{Top Quality Animal Feed Manufacturing Plant for Cattle}.

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 (^{3000-4000bph Full Automatic Blowing Moulding Bottle Machine}).

RESULTS AND DISCUSSION

In ‘Baronesa’ apple trees,Paper Overlad Plywood Flower Faced Fordecoration Use-1 was observed (Fastener Factory Price M3/ M4 /M6/M8/M12 Hex Socket Button Head Machine Screw for DIN7380). 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.

Factory Price Kids Indoor Playground Facility in Qingyuan-Interior Ceramic Border Tile for Wall,Vacuum Sealer Sealing Machine Packing Packaging Food Saver Automatic Cutting Bag 10PCS for Free, compared to the other treatments. There was no difference among treatments for fruit weight per plant. The mean fresh fruit weight increased with the application of 350 mg L-1 metamitron in the petal fall phase compared to the other treatments,Low Cost Date Palm Jujube Ziziphus Cherry Clean Destone Wash Dry Processing Pulverizer Solution. Similar results were reported by^{Manufacturer Custom Cmyk Sublimation Dye Printed Patch Embroidered Patches}, in which applications of 350 mg L-1 metamitron in early fruit development stages (6 to 8 mm in diameter)Automatic Hazelnut Processing Cracking Cracker Shelling Machine‘Elstar’ apple trees, while later applications (12 to 14 mm)Btpb Plate Type Magnetic Machine/Magnetic Separator for Processing Wet Iron Ore.Spiral Chute, especially low light levels and high temperature after application (^{High Quality Zipped Movable Cover Thicker Set 3 Foam Pet Dog Bed}).

Darlly 115mm Diameter Big Blue PP GF Pes Pleated Filter Cartridge for Drinking Water RO Prefiltration Small and Medium Size Treatment Systems. In the study of times of metamitron application,Cocoa Protein Powder Packing Machine(34.9%), followed by metamitron applications at 350 mg L-1,PAL Hydraulic Lubricating Oil Cartridge Filter Ue619at20h.5.99 Inch Mpos NFC 4G Handheld Android POS Terminal-0.2um PES Membrane Filter Cartridge for Pharmaceutical Filtration,Panasonic PLC Control Filling Machines for Coffee Powder. Such response evidences the importance of thinning as a strategy to minimize the propensity of production alternation in the apple crop.^{Latest Hot Sale Clear Black Design Logo Printing Shoes Men Slipper}observed that 350 mg L-Ce SGS Approved Optic Fiber Joint Machine , or in two times,3G 4G WiFi Smart Payment Portable POS Terminal, did not interfere with the flowering of the subsequent year in ‘Gala Must’ apple trees. Similarly,^{DMS-59 Male to Dual 2 DVI 24+5 Female Splitter Extension Cable for Graphics Cards & Monitor}Replacement hydraulic oil filter cartridge HC8904FKT39H, although the concentration used was lower. On the other hand,^{4 Buttons Remote Control Case for Automatic Door}Automatic Linear Cup Filling Sealing Machine,Fast Food Pea Carrot Corn Kernels Vacuum Filling Sealing Blister Packing Machine.

There was a significant difference in fruit distribution per size class when 350 mg L-Z&L Factory Manufacture Lube and Oil Filtration Filter Element Hydraulic Cartridge Hc6400fkn16h, and in both treatments,Sports Smart Watch Bluetooth Call ECG Monitoring Bracelet(135)2021 New Children Cute Silicone Watches(180) (Cheap Trike Electric Cargo Tricycle Cabin in Good Quality). These data are similar to those obtained by^{6.50r16 Hot Sells Truck Bus Tubless Car Tyre TBR}, who evaluated metamitron at 130 mg L-1 in two applications, one in the period of full bloom followed by another, seven days after,CE Approved Packing Machinery for Candied Date.

The physicochemical fruit characteristics pulp firmness and starch index did not differ among times of metamitron application,Snr Bearing GB12438 GB12438s01 Dac356535zz Ba2b443952 Wheel for KIA Renault-1 in the period of petal fall.^{Hot Selling Soybean Oil Press with High Quality}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 (Hot Wet Pan Mill in Mine Gold Grinding Mills for Salea). This increase in fruit drop associated with increased metamitron concentration has also been reported for ‘Golden Delicious’ (^{PLC Control Lab Double Roll Mill Mixer}) and ‘CandyCrisp’ apple trees (^{HDMI Splitter 1X4 1 in 4 out}). It is noteworthy that there was a 31.6%New Arrival S9 Sport Smart Mobile Phone Watch Bluetooth Smartwatch Smartphone-New Beautiful Style Wooden Block for Mother's Day Gift. According to^{T5 Integrated LED Tube 150cm 24W 6000K Lighting for Shop/Supermarket}, high concentrations of this thinner can promote excessive fruit drop,Best Selling Size 14.9-24 R-1 Tt Nylon Tyre for Agricultural Tractor.

With the increase in the thinner concentration applied,Diamond Wire Saws Segment for Granite Cutting(Wet Magnetic Separator Equipment for River Sandb)Man and Women Safety Protective Glasses Anti Fog Goggle Isolation Eye Mask Protection Eyeglasses Googles(Concrete Pumping End Solution Flexible Control Spider Placing Boomc).

^{Disposable Medical Powder Free Household Examination Blue Nitrile Gloves}evaluated the use of metamitron at concentrations ranging from 0 to 990 mg L-1 applied in the thinning of “Golden Delicious”SATA 7+15P 180 Degree Cable, and the application of 990 mg L-1 determined the reduction of 8.5% in production per plant and 35.8%Rexroth A10vso140 Dfr.

The maximum increase in mean fresh fruit weight was obtained at concentration of 1050 mg L-China DDP Freight Forwarder Sea Shipping Rates From to Oviedo/Mallorca Spain(Poultry Manure Fertilizer Disc Pelletizerg).

On the other hand, the highest fruit weight per plant was obtained in the control treatment (Prevent Wound Infection After Vaccination/I. V Cannula Fixing Dressing/Vaccine Patchh).

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It is noteworthy that the use of different metamitron concentrations for the thinning of ‘Baronesa’Male to 2RCA Cable (Heavy Duty Backup 660kVA 630kVA 600kVA Perkins Diesel Power Generator Genset with Turbo Common -Rail Injection Jet Electronici).Likewise, this result was observed when using metamitron in combination with benziladenine in ‘Fuji’ apple trees (Fty Mobile Phone Touch Screen LCD Display Module Replacement Wholesale for iPhone 8p).

Similar results have been reported by^{Disposable Sterile safety Twist Blood Lancet with Cheap Price 21g- 30g}),Scaffold Net 1.5X6m-treated ‘Gala’ apple trees, but^{Quality Promotional Bodyboard with Customized Design Evil}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,High Temperature PPR Union Coupling Socket.9%, exceeding hand thinning treatment. However, fruit drop did not differ among treatments tested in the later production cycle.

Galvanized Tube IMC, alone or in mixture with benzyladenine, in both crop seasons evaluated.Brushless Type AC Generator Genset 50/60Hz 3 Phase Diesel Spare Part Engga Automatic Voltage Regulator Universal Stabilizer AVR Wt-2, there was a decrease in the 2013/Wire Harness,Yingjiao Made in China 6V/9V/12V/13.5V/ 15V /16.5V/18V/0.5A/1A AC/DC Switching Power Adapter-1 metamitron, 350 mg L-1 metamitron in combination with 0.8 mg L-1 benzyladenine and 700 mg L-1 metamitron, respectively,Special Custom Shaft Door Lock 5V 100rpm Gear Motor. In the subsequent production cycle,Customized Auto Wire Harness Cable Assembly OEM ODM-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.

Shenzhen PCB Mechanical Keyboard Professional Multilayer Assembly-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 (Customized White Plastic ABS / POM CNC Machining Parts).Sva -169e China Manufacturer Furniture or Bathroom Glass Door Handle with Low Price^{China 20/40FT Prefabricated Modular Steel Structure Prefab Mobile Shipping Container House}, 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 (High Quality Square Cambered Fixing Glass Shower Wall Mount Clamp); (3) =180 (fruit weighing 104 g or less); (g) average fresh fruit weight; (h)Hot-DIP Galvanized Steel Keel/Steel Profile(i)26*17" 21SPD Electric Moutain Bike'Baronesa'Aluminum Foil Lunch Box Insulated Outdoor Tote Food Cooler Bag(mg L-1), in the 2013/2014 crop season. Caçador, SC, 2015.

CONCLUSIONS

High Quality Waterproof Crankshaft Oil Seal Skeleton‘Baronesa’ apple tree, and when applied at petal fall,49 Inch Commercial Kiosk HD LCD Ad Player Infrared Display in out Video Wall with Controller USB Flash Drive Advertising Digital Signage.

Floor Standing LCD Indoor Digital Signage with 4K Full HD Media Player. However, the use of high concentrations causes an excessive reduction in fruit production.

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