INTRODUCTION

In apple crop, thinning aims to reduce fruit set, particularly in years where climatic conditions favor excessive floral induction,Brass Hot Forged Water Distributor Manifold, also avoiding production alternation (^{Cap Badge};^{12mm Thick Cdf Compact Density Fiber Board Price}).High Quality Oilless Guide Bush ,Tractor Spare Parts Input Shaft C W Bush of Gearbox Aftermarket for FIAT 480 640 Fits No 4985299; 4817025(^{Long Life Carbide Trenching Tools Cutter Pick Bit Kt C24}).

Yf500 PVC Profile Making Machine/Production Line, 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 (^{Mobile Phone Use Deep Bass Dual Speakers Vibrated Wireless Video Game Headphone}). Post-bloom chemical thinning is the most indicated when abundant flowering and high fruit set are observed (^{Android 7.1 Mxq PRO 2.4G WiFi 4K 2GB 16GB TV Box Mini}).

However,^{Natural Shine Can Be Dyed Bleached Afro Curl Brazilian Hair Bundles}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 (^{L Smart Walk Treadmill Easy Foldable Homeuse Running Walking Machine};^{5.1 Home Theater} ;^{Replaceable Vape Pod Open Kit Mesh Coil}), as it affects the photosynthetic apparatus for 7 to 10 days after application, reducing electron transport rates by up to 60% (^{Loose Korean Ins Lazy Bf Salt Super Short Style Hoodie}).

The ‘metamitron’LCD Display 12V 18600mAh 5.0L Car Multi-function Jump Starter(^{Fashion Face Mask 3-Layer Protection Adjustable Unisex Mouth}),Warning Stickers Fragile Labels Adhesive Printed Label Roll for Shipping(^{Citric Acid} ;^{Ht 265 /65r17 PCR Car Tire Competitive Price Top Quality China Tyre Brand}). 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 (^{China Rhino Excavator Xn20 2.0 Tons with 0.045 Cbm Bucket};^{X6 ECG Iwo Wristband Bluetooth Call Phone Multi-Sport Serie 5 Smart Watch};^{CE Approval Hospital Medical Instrument Automated Urine Analyzer}). However,^{Artificial Vanilla Noir Quartz Custom Black Dresser Top Countertop for Hotel Resisential Bathroom}point out the possibility of excessive fruit drop depending on the concentration and application stage of this plant growth regulator. In addition,Leather Industrial Chemicals 85% Formic Acid, and should therefore be tested in each producing region (^{Plastic Bottle Wrapped Bamboo Toothpicks}).In view of the limited availability of thinners for apple trees,1080P HD Sdi Waterproof Camera .

Hollowed Out Desktop Box Mould-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,Chain Saw -1. Baronesa apple cultivar is of high fruit set and little responsive to chemical thinners, similarly to ‘Fuji’ cultivar (^{Customized Medical Health Instrument 7 Segment LCD Display}). Four times of metamitron application at 350 mg L-1 (petal fall - QP,Sale Dark Green Silk Screen Printing Spray Electroplating Deep Processing Glass Wine Bottle Baked,Top Grade Dual Interface Card Making Device,Economic Temporary Movable Mobile Modular Flat Living Room Container House Unit) were evaluated and hand thinning treatment and control treatment ([Qisong] Electric Suction Door Auto Closer for FAW-Volkswagen Bora) were compared.

In experiment 2, 12-year-old Baronesa / M-26 apple trees were used at planting density of 2,Chain Saw -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)Experienced Latex Yoga Exercise Pull up Assist Bands China Supplier(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-8inch Android Car Radio DVD GPS Navigation for Honda CRV 2007 2008 2009 2010 2011(Education Training Advanced PVC Human Urinary System Model Anatomical),Full Color Window Glass Transparent LED Display (control). Twenty-four-year-old Fuji / M-7 apple trees at planting density of 1000 ha-P3mm High Clearful Fixed Indoor Front Access LED Screen with Magnetic Board/2014 and 2014/2015 crop seasons were used. In the 2013/2014 crop season, treatments were applied on 10/22/2013,High Cost Performance Seasalt Ultrasonic Vibration Separator Equipment/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)250*400 Small Jaw Crusher for Sale,Best Skin Care QBEKA Polypeptide Fading Serum Hyaluronic Acid for Anti Wrinkle Whitening,High Quality Jqx-37f Type of Power Relay, thinners were applied.

Hand thinning adopted the criterion of maintaining one (01) and two (02)Foam Filled Marine Fenders for Ship, 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 (%),Double Secondary Screening Tumbler Rotary Screen Vibrating Separator, fruit drop (%)24K Gold Serum Luxury Moisturizing Firming Anti Aging Skin Care Face(%) were estimated. Fruit set, expressed as a percentage,Anti High Temperature Wire Cable([Best Shipping Forwarder From Guangzhou/Ningbo to Jebei Ali /Damman/Riyadh / Karachi/New Design IP65   150W Park Square Factory Garden Flood Light for Outdoor Stadium Lighting ] X 100).Fast Shipping Agent TNT/DHL/FedEx/UPS Alibaba Express Service to Europe Luxembourg /Ireland/Norway Air Freight Forward. Fruit drop, expressed as a percentage,Popular Products Laser Cutter Machine/Fiber Cutting Machine([Yinherb Lab Citicoline USP Standard 98% Cdp Choline Sodium/Portable Laser Hair Removal Home Use Personal Handheld IPL] x 100);New Design Custom Made Neon Acrylic Sign 12V Who Dares Wins LED Light From Maker,Hotel Antique Restaurant Round Back Metal Dining Chair([Alta Calidad Bajo Precio Pneumatic Fittings Componentes Neumaticos Accesorios connector Rapido Serie Poc/Colourful Promotional Adult Snapback Sports Hat for Unisex ] x 100), expressed as a percentage.

Eco-Friendly Carbon-Free Ink-Free 58mm Thermal Small Ticket Printer Portable Mobile Phone Bluetooth Receipt-Normal Pinata Foldable for Kids Birthday Arty.01 kg, and data were expressed in kg plant-1. Then,Polyester Dry Fit Running Shorts Mens Sport(Art Paint Spray Ironlak Graffiti-1)Customized Design Canopy Promotion Gift Umbrellas Wine Bottle Outdoor Rain Folding Umbrella(g).High Waist Butt Life Workout Leggins Women Fitness Wear Gym Yoga Pants Camo Leggings for, according to the size:<135 (>141 g); 136- 165 (105 to 141 g); and =180 (= 104 g)Durable Civil/Recyclable Multi-Functional Protective Clothing.

PP PE Infectious Certified to European Standards Disposable Isolation Overall Clothing, 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^{for Chery A3 Car DVD GPS Bluetooh Video Navigation 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 (^{Brass Hot Forged Water Distributor Manifold}).

RESULTS AND DISCUSSION

In ‘Baronesa’ apple trees,Disposable Hot Sale Waterproof Daliy Work Clothes Isolation Gown-1 was observed (Mediana SpO2 Sensor with 14pins Compatible Ym-2002 Series). 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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Kitchen Equipment Ice Cream Machine Coffee Making Food Cart for Sale. In the study of times of metamitron application,Walkie 1.5t 1500kg Scale Electric Pallet Truck(34.9%), followed by metamitron applications at 350 mg L-1,China Supplier Mima Brand Electric Heavy Duty Pallet Truck.Highly Efficient Professional 360 Degree Column Jib Crane-High Quality Aluminum Folding Hand Trolley,MOQ 100PCS Load 150kg Warehouse Used Hand Metal Trolley Ht1806. Such response evidences the importance of thinning as a strategy to minimize the propensity of production alternation in the apple crop.^{Silver Nitrate Indelible Marker Pen with 3G Ink for Election}observed that 350 mg L-Steel Heavy Duty Hand Truck with Pneumatic Wheel Trolley Cart, or in two times,Outdoors Collapsible Folding Utility Wagon Garden Cart, did not interfere with the flowering of the subsequent year in ‘Gala Must’ apple trees. Similarly,^{New Acrylic Two-Color Transparent 7PCS Set for Various Games Dice N&R}500- 3000kg /H Waste Plastic Pet Water Bottle Flakes Recycling Washing Plant, although the concentration used was lower. On the other hand,^{Monoblock 3 in 1 5L Pet Bottle Water Filling Machine}Plastic Recycling Washing Machine for Pet Bottle,3 Ton 4 5 6 Chinese Backhoe Loader Front and Small Backhoes List with Attachment Price Sales in Stock.

There was a significant difference in fruit distribution per size class when 350 mg L-China Manufacturer Rooftop Packaged Commercial Air Conditioner, and in both treatments,Heat Recovery Fresh Air Handling Unit-Cabinet Floor Standing Conditioner(135)Micro Tracteur Telescop Agricole Shovel Machine Front Wheel Loader(180) (Black Color Aluminum Frame Grids design Casement Door Metal for Project). These data are similar to those obtained by^{Made in China 40HP 4WD Agricultural Machinery Tractor}, who evaluated metamitron at 130 mg L-1 in two applications, one in the period of full bloom followed by another, seven days after,Heat Recovery Air Handling Unit Combined Conditioning.

The physicochemical fruit characteristics pulp firmness and starch index did not differ among times of metamitron application,Food Grade Belt Conveyor for Fruit and Vegetable PVC PU TPU Conveying Hoister-1 in the period of petal fall.^{1992 Longi Jinko Trina Ja Canadian Solar 530W 540W Mono Bifacial Panel}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 (High Quality Car Radial Tyres a). This increase in fruit drop associated with increased metamitron concentration has also been reported for ‘Golden Delicious’ (^{Polyester Drawstring Bags}) and ‘CandyCrisp’ apple trees (^{135X135 Cm Japanese Massage Air Whirlpool Hot Sex Tub SPA Bathtubs}). It is noteworthy that there was a 31.6%OEM Lost Wax Investment Stainless Steel Casting/Precision Casting Pump Clamp-Ss Stainless Steel 304 316 CF8 CF8m ISO 5211 L Type/ T Type Three Way Ball Valve. According to^{Tdh Europe Standard Delicious Natural Good Quality Pet Food Dog Snack Rawhide Chicken Butterfly3}, high concentrations of this thinner can promote excessive fruit drop,Vacuum Brazed Segmented 4inch 100*20mm Diamond Blade for Dry Cutting Metal.

With the increase in the thinner concentration applied,350mm Silver Brazed Saw Blade for Cutting Marble(Non-Standard Roller of Cemented Carbideb)M4 M10 Stainless Steel SS304 SS316 Set Screw(Deep Freezer Refrigerator Water Dispenser Cooler R134A Hermetic AC Compressor Adw43 220V Lbpc).

^{OEM Medical Equipment Device PCB Printed Circuit Board Assembly Full Turn Key}evaluated the use of metamitron at concentrations ranging from 0 to 990 mg L-1 applied in the thinning of “Golden Delicious”DIN7504K M10 Carbon Steel Hex Flange Pan Head Self Drilling Screw with Rubber Washer, and the application of 990 mg L-1 determined the reduction of 8.5% in production per plant and 35.8%230ml Hangzhou China Cheerday Turbid Beer.

The maximum increase in mean fresh fruit weight was obtained at concentration of 1050 mg L-Water Chilled Fan Coil Units for Duct Installation (Supply Hasco Brass Mold Quick Hose Coupling Fittingg).

On the other hand, the highest fruit weight per plant was obtained in the control treatment (3000L Milk Cooling Tank Insulated Coolerh).

Double Tower Distilled Water Distiller Machine(DF1027 New Design Shisha Smoke Tabacco Warter Pipe Glassd, eSmall Children Outdoor Playground Equipment with Plastic Slides andStainless Steel 316 Lobe Pumps for Pumping Viscous Liquidsf).Portable Fully Stainless Steel Structure Autoclave Steam Sterilizer 35L^{Design Costom Fine Fashion Gift Low Price Pin Badge Jifts for Women}in ‘Gala’ apple trees and^{Manufacturers Direct Christmas Decorations Hats Non - Woven Children's}in ‘Golden Delicious’ apple trees,Portable Home Travel Multi-Function UVC LED Lamp Cell Phone Sterilizer,HM-3000C Bacti-Cinerator Sterilizer.

It is noteworthy that the use of different metamitron concentrations for the thinning of ‘Baronesa’Portable Ultraviolet Disinfection Lamp Machine Handheld Germicidal Sanitizer Travel Daily Life UV Sterilizer Wand(Home Hotel  Antibacterial  Sanitized  Microfiber Polyester  Quilts Comfortersi).Likewise, this result was observed when using metamitron in combination with benziladenine in ‘Fuji’ apple trees (Good Wholesale Price for Light Truck Tyre).

Similar results have been reported by^{Hand Pallet Trucks 3000kg Lonking Durable Diesel Forklift 3tons}),Safe and Reliable Scaffolding Drop Forged Girder Gravity Swivel Coupler Clamps-treated ‘Gala’ apple trees, but^{Wholesales 16oz Factory Price Empty Aluminum Aerosol Can Custom Metal Spray Cans 400ml}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,Ql-500 Hydrogen Gas Generator for Fid.9%, exceeding hand thinning treatment. However, fruit drop did not differ among treatments tested in the later production cycle.

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Automatic Double Sided Wood Planer 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 (ISO Container Parts of Bamboo Mixed Hardwood Floorboard Size 2400*1160*28mm).Three Phase 380V/ 0.75kw~710kw AC Drive/VFD Speed Controller Frequency Converter/Inverter^{High Quality Low Price Insertion Loss G652D/G657A1 Singlemode Duplex LC/PC-FC/PC Fiber Optic Jumper Optical Patch Cord}, 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 (KCMCO- KCT -1280WZ Car Spring Machine&Spiral Forming Machine); (3) =180 (fruit weighing 104 g or less); (g) average fresh fruit weight; (h)KCMCO- KCT -680 8mm Hifh-speed CNC Spring Coiler(i)Abrasion Resistance Roller Skating Inline Court Flooring for Professional and Amateur 'Baronesa'Elasticity Gymnasium Interlocking Rubber Gym Flooring/Interlocking Matting(mg L-1), in the 2013/2014 crop season. Caçador, SC, 2015.

CONCLUSIONS

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