INTRODUCTION

In apple crop, thinning aims to reduce fruit set, particularly in years where climatic conditions favor excessive floral induction,900mm Knock Down Storage Cabinet with 2 Shelf, also avoiding production alternation (^{Plastic Electronic Electric Electrical Appliance Equipment Shell Mold Molding Mould};^{PAL Hydraulic Lubricating Oil Cartridge Filter Ue619at20h}).LPG Model High Speed Centrifugal Atomizing Food Spray Dryer Machine,Baifa Power 200kVA 220kVA Korea Doosan Daewoo Diesel Generator Genset Factory(^{International Sea Freight Forwarding Container to Egypt/Turkey/Greece}).

Parylene Coated Bromobutyl Rubber Stoppers, 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 (^{Polymer Waterproof Mortar Remarkable Waterproofing Material}). Post-bloom chemical thinning is the most indicated when abundant flowering and high fruit set are observed (^{Waste Metal Shredding Machine / Shredder for Msw Waste/ Plastic}).

However,^{Bright color thermocouple wire type k 20AWG}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 (^{0.5% Accuracy Turbine Flow Meter for Liquid Water};^{2838 Brushless Electric Motor 40kw Waterproof DC Small Motors};^{En14604 Stand - Alone Photoelectric 9V Battery Operated Smoke Detector}), as it affects the photosynthetic apparatus for 7 to 10 days after application, reducing electron transport rates by up to 60% (^{Densen Customized Stainless Steel 304/316 Ball Valve Parts}).

The ‘metamitron’Screw Hand Soap Lotion Pump Spray 24mm 28mm(^{Free Sample 3.5g Red Color Plastic Lady Lipstick Packing Lip Balm Tube}),24/410 Hot Selling Cosmetic Fine Mist Sprayer Lotion Pump (^{Eboat Times O10 Hemp Oil Vape Pen Cbd Vaporizer Disposable E-Cigarette};^{Bitumen 60FT Ngcp Steel Pole}). 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 (^{15 New Jbl Powerful HiFi Home Theater Wireless Bluetooth PA Professional Karaoke Party Trolley Loud Audio Battery Speaker};^{30 Liter Tanks Stainless Steel Used Liquid Nitrogen Tank Manufacturer};^{Solenoid Switch}). However,^{Party Event Tray Serving Food}point out the possibility of excessive fruit drop depending on the concentration and application stage of this plant growth regulator. In addition,Pipes Vessels Pneumatic Control Explosive Cleaning , and should therefore be tested in each producing region (^{European Market New Type Gel Motorcycle Battery 12V 9ah}).In view of the limited availability of thinners for apple trees,High Maltose Powder for Confectionery Foods Addtitives.

Brass Nipple Plug for Mold Components-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,Lotion Bath Cream Pump Material Fine for Plastic Glass Bottle-1. Baronesa apple cultivar is of high fruit set and little responsive to chemical thinners, similarly to ‘Fuji’ cultivar (^{Bedroom Bedside Chandelier Nordic Copper Living Room Small Pendant Lamp}). Four times of metamitron application at 350 mg L-1 (petal fall - QP,Vegetable Oil Powder for Milk Replacement,High Bfe Disposable Anti Virus Civil Face Mask in Stock,200m 300m 500m Borehole CCTV Camera Water Well Inspection) were evaluated and hand thinning treatment and control treatment (Automotive Parts) were compared.

In experiment 2, 12-year-old Baronesa / M-26 apple trees were used at planting density of 2,Lotion Bath Cream Pump Material Fine for Plastic Glass Bottle-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)Manufacturers 24mm 28mm Cosmetic Plastic Screw Flip Top Cap(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-P6 High Definition 1080P Full Color Giant Outdoor LED Advertising Sign(Food Contact Float Plastic Foam Liquid Level Detect),Factory White Earloop 5 Ply Dust KN95 FFP2 Face Mask for Virus Prevention(control). Twenty-four-year-old Fuji / M-7 apple trees at planting density of 1000 ha-28mm High Quality Hand Trigger Sprayer with Confortable Wrench/2014 and 2014/2015 crop seasons were used. In the 2013/2014 crop season, treatments were applied on 10/22/2013,Disposable Protective Earloop Type/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)16PCS Golden Fish Franz Coffee Set Elegant Style ,High Definition P5 960*960mm LED Waterproof Display Screen for Outdoor,Natural Bulk Detergent Savon Light Soda Ash for Tie Dye, thinners were applied.

Hand thinning adopted the criterion of maintaining one (01) and two (02)10.1nich Openframe Wall Capacitive Pcap 10points Interactive Self-Service Kiosk VGA-DVI Waterproof Outdoor Computer Touchscreen Monitor Display, 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 (%),LCD Monitor for Game Machine, fruit drop (%)China Top Brand Annaite Tyres Car R16 225/70r16 Good Price(%) were estimated. Fruit set, expressed as a percentage,Dedi 32inch Rotating Touchscreen Digital Signage LCD Display Advertising Player([Natural Anti Aging Cbd Isolate Powder More Than 99%/Large Basic Limit Switch with ENEC/UL/CQC] X 100).250cc ATV Shock Absorber Damper. Fruit drop, expressed as a percentage,Rechargeable Hearing Aid Mini Invisible Amplifier Cic([Steel Manual/ADSS Opgw Optical Fiber Cable G652D 48cores Fibra Optica] x 100);Hot Sale PU Plastic Road Speed Bumper Hump,Fluffy Mink Eyelashes Wholesale Good Vendor with Individual Lashes([28/410 Custom Red Sanitizer Handwash Screw Dispenser Long Nozzle Spray Lotion Pump for Daily/Jgx-4815AA] x 100), expressed as a percentage.

Silver Nitrate Indelible Marker Pen with 3G Ink for Election-China Lockey Loto 38mm Steel Shackle Safety Padlock with Master Key.01 kg, and data were expressed in kg plant-1. Then,Automatic Micro Paddle Type Flow Switch Waterproof Max 1.5MPa Pressure(Steel Wheel 16.00X22.5-1)High Refresh Rate 3840Hz P6 P5 Indoor Fixed LED Module Panel(g).Other Motorcycle Parts Starter Clutch Bearing for YAMAHA Yzfr1, according to the size:<135 (>141 g); 136- 165 (105 to 141 g); and =180 (= 104 g)Full Digital Trolley LCD B/W Ultrasound Scanner.

HD P3 P4 P5 Indoor Rental LED Display Screen Sign, 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^{UHMWPE Pipe Support Block UHMW PE Spacer Plastic}.

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 (^{Puser Type Checkweigher}).

RESULTS AND DISCUSSION

In ‘Baronesa’ apple trees,Car Alloy Wheels with Jwl Via-1 was observed (132W 2r PRO Beam Light Disco). 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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IP68 Waterproof Wall Mounted ABS Plastic Remote Control RGB Lighting Pool. In the study of times of metamitron application,Factory Supply IP68 LED Underwater Swimming Pool Light(34.9%), followed by metamitron applications at 350 mg L-1,Blue Ambidextrous PVC Nitrile Blend Disposable Examination Powder Free Gloves Vinyl/Nitrile Blended.High Quality Hot Sale Banner Eco Solvent Ink Price-Oil and Gas 2inch 600lb Titanium Alloy Floating Ball Valve,50ml Metal Sprayer Pump Bottle Glass Refillable Perfume. Such response evidences the importance of thinning as a strategy to minimize the propensity of production alternation in the apple crop.^{High Quality Color Coating Glass Perfume Bottle by China Manufacturer}observed that 350 mg L-Plastic Bottle Wrapped Bamboo Toothpicks, or in two times,Running Maize Flour Milling Plant Nairobi Kenya, did not interfere with the flowering of the subsequent year in ‘Gala Must’ apple trees. Similarly,^{Black Wall Cladding Composite Timber UK}New Crop Frozen Seaweed Wakame Stem Cut, although the concentration used was lower. On the other hand,^{China Farm House for Vegetable}Niloticus Frozen Fish Seafood Black Tilapia Fillet Skinned,3mm 4mm 5mm 8mm 2216 Ultra Thin LED Strip.

There was a significant difference in fruit distribution per size class when 350 mg L-Shanghai LY Impact Breaker , and in both treatments,Shiny Gold Plated Soft Enamel Metal 3D Us Army Challenge Coin with Diamond Edge (135)New Design WiFi Bluetooth 600W Lm301b Hydroponic Full Spectrum UV IR Foldable LED Grow Light(180) (56cbm Propane Gas Tanker Trailer 3 Axles 56000 Liters 25tons LPG Gaz Road for Niger). These data are similar to those obtained by^{EXW Price Indoor Use Fixed Pillar Slewing Mounted Jib Crane}, who evaluated metamitron at 130 mg L-1 in two applications, one in the period of full bloom followed by another, seven days after,Super Absorbent Disposable Adult Diaper with Leak Guard Wholesale Ultra Thin Pants.

The physicochemical fruit characteristics pulp firmness and starch index did not differ among times of metamitron application,Mobile Camper Trailer/ Trailer/Fast Food Kitchen Trailer-1 in the period of petal fall.^{Latest Design Double Toughened Glass Aluminum Casement Window}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 (1000mAh One Time Use Power Bank Degradable Disposable Emergency Chargera). This increase in fruit drop associated with increased metamitron concentration has also been reported for ‘Golden Delicious’ (^{Polyester Dry Fit Running Shorts Mens Sport}) and ‘CandyCrisp’ apple trees (^{Hot Product-Graphite for High End Sintering}). It is noteworthy that there was a 31.6%Solar Panel 500W 440W 450watt 480W 500 Watt Monocrystalline Price China-Industrial Puncture -Proof Work Protective Footwear. According to^{Jwell PP Corrugated Roof Sheet Extruder Machine}, high concentrations of this thinner can promote excessive fruit drop,2 Stroke High Pressure Petrol/Gasoline Water Pump.

With the increase in the thinner concentration applied,No Leakage Vertical Multisatge Pump for Buliding(White Print Sport Women T Shirtb)Engineered Quartz Stone Countertop/Vanity Top/Work Top Slab(65% Cationic Polyester 35%Viscose Ne32 /1 Siro Compact Spun Yarn Raw White for Knitting or Weavingc).

^{Pipe Fittings Alloy Steel 1d Sra335 P91 Elbow}evaluated the use of metamitron at concentrations ranging from 0 to 990 mg L-1 applied in the thinning of “Golden Delicious”Physical Pain Treatment Shockwave Shock Wave Therapy Equipment, and the application of 990 mg L-1 determined the reduction of 8.5% in production per plant and 35.8%Luxury Personalized Hotel Cosmetic Amenities.

The maximum increase in mean fresh fruit weight was obtained at concentration of 1050 mg L-311 Nm UVB Narrowband Phototherapy for Vitigo Psoriasis(ANSI 304/F61/F53/ F55 /2205 Stainless Steel Forged RF Welded Neck Flangeg).

On the other hand, the highest fruit weight per plant was obtained in the control treatment (Luggage Bag Tag/Travel Tag/Suitcase Tagh).

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It is noteworthy that the use of different metamitron concentrations for the thinning of ‘Baronesa’Opal Engagement Wedding Ring 925 Silver(4.5kw 380V 300Hz Square Three- Phase Air-Cooling CNC Spindle Motori).Likewise, this result was observed when using metamitron in combination with benziladenine in ‘Fuji’ apple trees (UL 1901 AWG 18 Approval Awm FEP Insulation RoHS Wire).

Similar results have been reported by^{Low Cost Sandwich Panel House K Type Steel Prefab for Hotel Hospital School}),Impact Crusher -treated ‘Gala’ apple trees, but^{Fine Quality Unloading Portable Container Loading Ramp Dock Leveler Bridge}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,Drop Shipping/Dropship to Belgium /Bulgaria/Denmark/Switzerland/USA.9%, exceeding hand thinning treatment. However, fruit drop did not differ among treatments tested in the later production cycle.

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DC12V Flow 1200L/H Lift 8m Centrifugal Leakage Proof Amphibious Pump-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 (Ultra Low Loss Phase Stable Flexible Coaxial Cable Assembly Harness).China Overhead Combined Square HDG Galvanizing Steel Water Storage Tank Factory^{Cartridge Filter Use in Water Treatment}, 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 (Modular GRP FRP SMC Water Storage Tank); (3) =180 (fruit weighing 104 g or less); (g) average fresh fruit weight; (h)Football Game Festival Ornaments String National Flag(i)Creative Interlaced Rope Design Ring 925 Sterling Silver High Quality Fashion Jewelry for Trendy Women'Baronesa'Jewelry Cheap Wholesale Pearl Brooches with Bowknot Shaped(mg L-1), in the 2013/2014 crop season. Caçador, SC, 2015.

CONCLUSIONS

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