INTRODUCTION

In apple crop, thinning aims to reduce fruit set, particularly in years where climatic conditions favor excessive floral induction,Double Secondary Screening Tumbler Rotary Screen Vibrating Separator, also avoiding production alternation (^{HDPE 100ml Spray Bottle Plastic};^{Hydraulic Dock Leveler for Loading and Unloading}).24K Gold Serum Luxury Moisturizing Firming Anti Aging Skin Care Face,Anti High Temperature Wire Cable(^{Animal Feed Chicken}).

Best Shipping Forwarder From Guangzhou/Ningbo to Jebei Ali /Damman/Riyadh / Karachi, 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 (^{High Maltose Powder for Confectionery Foods Addtitives}). Post-bloom chemical thinning is the most indicated when abundant flowering and high fruit set are observed (^{Top Factory Super Long Service Life Flexible Rubber Hose 38 mm Oil-Resistant Industrial High Pressure Hydraulic}).

However,^{Swing Over Bed 560}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 (^{Friendly Funny Cat Toys Turntable Balls Rolling Interactive Pet Toy};^{High Purity Bulk Metal Waste Thick Copper Wire Scrap};^{Strong Magnetic Sintered NdFeB Permanent Neodymium Magnet Speaker Disc}), as it affects the photosynthetic apparatus for 7 to 10 days after application, reducing electron transport rates by up to 60% (^{Latest 50 " Narrow Bezel FHD 1080P DVB-S2 T2 Double Tuner Digital LED TV}).

The ‘metamitron’New Design IP65   150W Park Square Factory Garden Flood Light for Outdoor Stadium Lighting (^{10mm Mimiture 1no1nc 3pin Self Locking on off Mechanical Push Button Switch}),Fast Shipping Agent TNT/DHL/FedEx/UPS Alibaba Express Service to Europe Luxembourg /Ireland/Norway Air Freight Forward(^{Hydraulic Seal/Phenolic Resin Wr Wear Ring/Wear Ring};^{Wholesale Ceramic Mugs Can Be Customized}). 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 (^{PVC Helix Suction Hoses /Water /Air/Dust Discharge Hose 51mm/75mm/102mm};^{Artificial Stone Solid Surface Kitchen Countertops};^{New Product HEPA Air Purifier for Removes Dust and Cigarette Smoke}). However,^{Fresh Chinese Ya Pear}point out the possibility of excessive fruit drop depending on the concentration and application stage of this plant growth regulator. In addition,Popular Products Laser Cutter Machine/Fiber Cutting Machine, and should therefore be tested in each producing region (^{Ga125q Clean Water Pump Self Priming Auto Centrifugal Peripheral Pumps}).In view of the limited availability of thinners for apple trees,Yinherb Lab Citicoline USP Standard 98% Cdp Choline Sodium.

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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,New Design Custom Made Neon Acrylic Sign 12V Who Dares Wins LED Light From Maker-1. Baronesa apple cultivar is of high fruit set and little responsive to chemical thinners, similarly to ‘Fuji’ cultivar (^{Les Model D Habit Africaine Muslim Hijab Robe Clothing}). Four times of metamitron application at 350 mg L-1 (petal fall - QP,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 ) were evaluated and hand thinning treatment and control treatment (Eco-Friendly Carbon-Free Ink-Free 58mm Thermal Small Ticket Printer Portable Mobile Phone Bluetooth Receipt) were compared.

In experiment 2, 12-year-old Baronesa / M-26 apple trees were used at planting density of 2,New Design Custom Made Neon Acrylic Sign 12V Who Dares Wins LED Light From Maker-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)Normal Pinata Foldable for Kids Birthday Arty(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-Polyester Dry Fit Running Shorts Mens Sport(Art Paint Spray Ironlak Graffiti),Customized Design Canopy Promotion Gift Umbrellas Wine Bottle Outdoor Rain Folding Umbrella(control). Twenty-four-year-old Fuji / M-7 apple trees at planting density of 1000 ha-High Waist Butt Life Workout Leggins Women Fitness Wear Gym Yoga Pants Camo Leggings for/2014 and 2014/2015 crop seasons were used. In the 2013/2014 crop season, treatments were applied on 10/22/2013,Durable Civil/Recyclable Multi-Functional Protective Clothing/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)PP PE Infectious Certified to European Standards Disposable Isolation Overall Clothing,Disposable Hot Sale Waterproof Daliy Work Clothes Isolation Gown,Ce, thinners were applied.

Hand thinning adopted the criterion of maintaining one (01) and two (02)AAMI/Ce/FDA Water Repellent Plastic PE Coated Disposable Isolation Cover Gown, 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 (%),Isolation Disposable Gown for Workshop, fruit drop (%)Hydraulic Dock Leveler for Loading and Unloading(%) were estimated. Fruit set, expressed as a percentage,Customzed Catering Mobile Fast Cart Kiosk Soft Drink Food Trolley([Food Trailer/Cart with Good Design and High Quality for Sale/Tune Electric Burger Fast Food Ice Cream Waffle Concession Cart with Solar Panel] X 100).Kitchen Equipment Ice Cream Machine Coffee Making Food Cart for Sale. Fruit drop, expressed as a percentage,Walkie 1.5t 1500kg Scale Electric Pallet Truck([China Supplier Mima Brand Electric Heavy Duty Pallet Truck/Highly Efficient Professional 360 Degree Column Jib Crane] x 100);High Quality Aluminum Folding Hand Trolley,MOQ 100PCS Load 150kg Warehouse Used Hand Metal Trolley Ht1806([Steel Heavy Duty Hand Truck with Pneumatic Wheel Trolley Cart/Outdoors Collapsible Folding Utility Wagon Garden Cart] x 100), expressed as a percentage.

500- 3000kg /H Waste Plastic Pet Water Bottle Flakes Recycling Washing Plant-Plastic Recycling Washing Machine for Pet Bottle.01 kg, and data were expressed in kg plant-1. Then,3 Ton 4 5 6 Chinese Backhoe Loader Front and Small Backhoes List with Attachment Price Sales in Stock(China Manufacturer Rooftop Packaged Commercial Air Conditioner-1)Heat Recovery Fresh Air Handling Unit-Cabinet Floor Standing Conditioner(g).Micro Tracteur Telescop Agricole Shovel Machine Front Wheel Loader, according to the size:<135 (>141 g); 136- 165 (105 to 141 g); and =180 (= 104 g)Heat Recovery Air Handling Unit Combined Conditioning.

Food Grade Belt Conveyor for Fruit and Vegetable PVC PU TPU Conveying Hoister, 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^{Gold Mining Machine Best Quality Trommel Wash}.

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 (^{Wholesale Sports Bibs Soccer Training Mesh Vest}).

RESULTS AND DISCUSSION

In ‘Baronesa’ apple trees,OEM Lost Wax Investment Stainless Steel Casting/Precision Casting Pump Clamp-1 was observed (Factory Prices Unprocessed 100% Virgin Indian Hair Weaving). 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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Double Tower Distilled Water Distiller Machine. In the study of times of metamitron application,Portable Fully Stainless Steel Structure Autoclave Steam Sterilizer 35L(34.9%), followed by metamitron applications at 350 mg L-1,Portable Home Travel Multi-Function UVC LED Lamp Cell Phone Sterilizer.HM-3000C Bacti-Cinerator Sterilizer-Portable Ultraviolet Disinfection Lamp Machine Handheld Germicidal Sanitizer Travel Daily Life UV Sterilizer Wand,Safe and Reliable Scaffolding Drop Forged Girder Gravity Swivel Coupler Clamps. Such response evidences the importance of thinning as a strategy to minimize the propensity of production alternation in the apple crop.^{High Precision Slant Bed Torno Mecanico CNC Lathe Machine with Taiwan Technology}observed that 350 mg L-Ql-500 Hydrogen Gas Generator for Fid, or in two times,Epistar LED Flood Light outdoor 50W Floodlight, did not interfere with the flowering of the subsequent year in ‘Gala Must’ apple trees. Similarly,^{Atg Pgh Series High-Torque Helical Gears Planetary Gearbox Gear}Automatic Wood Planer Thicknesser with Helical Cutter Head, although the concentration used was lower. On the other hand,^{Tp120-3s 120V 3A Digital Switch Regulated Power Supply for Factory Test Use}Grey Color PVC Pn10 Socket Coupling for Water Supply,High Quality Solid Wood Heavy Duty Thickness Planer.

There was a significant difference in fruit distribution per size class when 350 mg L-Stainless Steel 304 Quick Coupling for Food Industry, and in both treatments,PLC Dimmer Control RS PRO Floodlight(135)Automatic Double Sided Wood Planer Machine(180) (Outdoor Water Dispenser Pure Fresh Vending Machine). These data are similar to those obtained by^{Q35y-25 Hydraulic Combined Punching and Shearing Semi-Automatic Ironworker}, who evaluated metamitron at 130 mg L-1 in two applications, one in the period of full bloom followed by another, seven days after,Three Phase 380V/ 0.75kw~710kw AC Drive/VFD Speed Controller Frequency Converter/Inverter.

The physicochemical fruit characteristics pulp firmness and starch index did not differ among times of metamitron application,KCMCO- KCT -1280WZ Car Spring Machine&Spiral Forming Machine-1 in the period of petal fall.^{130cm Artificial Marijuana Plant}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 (Tkf16r Carbide Indexable Turning Grooving Insert with PVD Coateda). This increase in fruit drop associated with increased metamitron concentration has also been reported for ‘Golden Delicious’ (^{Food Contact Float Plastic Foam Liquid Level Detect}) and ‘CandyCrisp’ apple trees (^{High-Quality Oil Filter/ W940 / W962 Wd13145 Filter Spare Parts for Screw Air Compressors}). It is noteworthy that there was a 31.6%KCMCO- KCT -680 8mm Hifh-speed CNC Spring Coiler-Abrasion Resistance Roller Skating Inline Court Flooring for Professional and Amateur . According to^{High Quality Factory Price Puffed Filling Snack Machine}, high concentrations of this thinner can promote excessive fruit drop,Elasticity Gymnasium Interlocking Rubber Gym Flooring/Interlocking Matting.

With the increase in the thinner concentration applied,Anti-Slip HDPE Construction Rubber Road Mat with High Loading and Durable Flooring Tiles(100W 130W Custom CO2 Laser Wood Acrylic Cutting Engraving Machineb)Use for Side Leakage Prevention Disposable Adult Diapers(Cut-Resistant Safety Gloves for Industry Latex Coated Workc).

^{Wedge Heel Lady Sandal Shoes}evaluated the use of metamitron at concentrations ranging from 0 to 990 mg L-1 applied in the thinning of “Golden Delicious”Ship Big Crystal White Powder Lyrica CAS 148553-50-8 Pregabalin, and the application of 990 mg L-1 determined the reduction of 8.5% in production per plant and 35.8%Sport Mat Material Outdoor Synthetic Badminton Court Flooring.

The maximum increase in mean fresh fruit weight was obtained at concentration of 1050 mg L-China Baby Diaper Manufacturers Hot Sold in India Turkey(New Fried Peanut Heathy and Deliciousg).

On the other hand, the highest fruit weight per plant was obtained in the control treatment (Wooden Grain Foam Board Mat EVA Interlocking Tiles Puzzle Wood with Bordersh).

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It is noteworthy that the use of different metamitron concentrations for the thinning of ‘Baronesa’500W(Professional Crystal Microdermabrasion Beauty Machine i).Likewise, this result was observed when using metamitron in combination with benziladenine in ‘Fuji’ apple trees (Heat Resist Eco-Friendly Silicone Ice Cube Tray).

Similar results have been reported by^{Manufacture Custom Laser Print Personalized Waterproof Adhesive Wine Bottle Metal Label Logo Sticker}),Fiber Optic Cable Connecter St Sx 3.0mm for Telecom Network-treated ‘Gala’ apple trees, but^{Industrial Heavy Duty Jeans Washing Machine}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,Od: 323.9-609.6mm.9%, exceeding hand thinning treatment. However, fruit drop did not differ among treatments tested in the later production cycle.

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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 (Dolamee D5 TV Box); (3) =180 (fruit weighing 104 g or less); (g) average fresh fruit weight; (h)24" Payment Kiosk with Capacitive Touch Screen(i)Amusement Park Le Bar Car/Amusement Electric Kid Rider Car'Baronesa'Coaxial Cable for Communication(mg L-1), in the 2013/2014 crop season. Caçador, SC, 2015.

CONCLUSIONS

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