INTRODUCTION

In apple crop, thinning aims to reduce fruit set, particularly in years where climatic conditions favor excessive floral induction,Clear Color Creative Design Glass Bowl Smoking Accessories, also avoiding production alternation (^{Makute Electric Planer 82mm Wood Working Cutting Tools};^{Hao Kaifeng Space Disinfection and Humidifier One-Key Sleep Function to Purify The Air}).Fast Shipping 3ply Facial Medical Surgical Mask,Anti Pollution Dust Mask Washable and Reusable Pm2.5 Cotton Face Mouth Protection From Pollen Allergy Safety(^{Factory-Red Beech Fancy Plywood with 2.7mm and 4.8mm Sale in Mexico}).

Plastic Sheet Extruder Extrusion Extruding Machine for PP/ PS/ Pet/ HIPS/ PE, 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 (^{Inflatable Board Stand up Surf}). Post-bloom chemical thinning is the most indicated when abundant flowering and high fruit set are observed (^{Custom Made Spiral Bevel Gears with Internal Splines}).

However,^{Lunch Bag} 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 (^{CE Approved Straw Wood Pellet Mill for Make};^{Factory Manufacture Woven Geotextile PP};^{Three Segments Metal Grinding Plate for Concrete Wholesale}), as it affects the photosynthetic apparatus for 7 to 10 days after application, reducing electron transport rates by up to 60% (^{Modern Concert Hall Conference Office School Student Auditorium Chair}).

The ‘metamitron’China Factory Raycus 500W 750W 1000W Fiber Laser Welding /Soldering Machine for Stainless Steel/Aluminum(^{Light Commercial Peck Fly & Rear Delt Multi Function Gym Equipment}),Heat Resistant Rubber Mat Ani-Skid Proof Safety Roll No Slip(^{Best Selling Paper Cup Machine} ;^{Electric Tricycle} ). 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 (^{Pink Purple Green Grey Custom Medical PVC Anesthesia Mask};^{Ahd-8038-as CCTV 1MP Top Sale Ahd Camera 60m IR};^{DIN7504K M10 Carbon Steel Hex Flange Pan Head Self Drilling Screw with Rubber Washer}). However,^{Chinese Natural G439 Slabs Big Flower Beta White Granite for Kitchen Bathroom Countertop Interior Exterior Wall Floor Tiles}point out the possibility of excessive fruit drop depending on the concentration and application stage of this plant growth regulator. In addition,Atc Wood Machine Router CNC Tool Changer, and should therefore be tested in each producing region (^{Mineral Separator Small Knel Son Concentrator Gold Jig}).In view of the limited availability of thinners for apple trees,Nanjing Plastic Cr 2 Inch Thick Mats New Products Vulcanized 20mm Thickness Rubber Sheet.

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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,Custom Civilian Face Cover Mask Disposable Fashion Earloop Personal Pretective Masks-1. Baronesa apple cultivar is of high fruit set and little responsive to chemical thinners, similarly to ‘Fuji’ cultivar (^{Refractory Ramming Mass Manufacturer Dry Price}). Four times of metamitron application at 350 mg L-1 (petal fall - QP,Dry Agent Plastic Desiccant Masterbatch Factory,15m Outdoor Steel Scrap Builder Hook Bin,China Factory Price Customized Thickness EPDM Rubber Sheet Product) were evaluated and hand thinning treatment and control treatment (Screw & Barrel for Single Extruder/ Extruding Machine) were compared.

In experiment 2, 12-year-old Baronesa / M-26 apple trees were used at planting density of 2,Custom Civilian Face Cover Mask Disposable Fashion Earloop Personal Pretective Masks-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)Gym Strength Fitness Equipment Exercise Machine Back Extension(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-Metal Optical Fiber Marking Machine Household Goods Equipment(Hot Sale Pn16 Ci Iron Dual Plate Wafer Type Check Valve),Rubber Manufacturing Horse Stable Flooring Mat Sheet(control). Twenty-four-year-old Fuji / M-7 apple trees at planting density of 1000 ha-600*600mm White Matt Matte Surface Porcelain Polsihed Rustic Floor Tiles Ceramics From Foshan China/2014 and 2014/2015 crop seasons were used. In the 2013/2014 crop season, treatments were applied on 10/22/2013,Stage Fire Effect DMX LED Flame Light/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)Waterproof Glazed Mirror Cream Ceramic Wall Tile with CE,ANSI 4 Inch Dual Plate Spring Loaded Wafer Small Check Valve Price,Large Air Volume Plastic Window Industrial Evaporative Cooler, thinners were applied.

Hand thinning adopted the criterion of maintaining one (01) and two (02)Professional 2.4GHz Wireless 300m Long Distance HiFi Audio Transceiver Stage Monitoring & Tour Guide System, 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 (%),DN50 2'' Pn10 Class125 Pn16 Class 150 JIS DIN ANSI Standard Stainless Wafer Type Dual Plate Check Valve, fruit drop (%)RGB LED Panel Light with DMX Control 9W L180*W180*H40mm 3D Effect on Wall Installation(%) were estimated. Fruit set, expressed as a percentage,Custom Air-Cooled Aluminum Bar & Plate Oil Cooler([Computer Control Non Woven Vest Bag Machine Zxl-A700/Non Woven Fabric Box Bag Making Machine with Handle Zxl-E700] X 100).High Production Speed Pembekal Non Woven Bag Making Machine. Fruit drop, expressed as a percentage,6" 100V 6W Metal Ceiling Loudspeaker([1100kg IQF Tunnel Freezer for Fruits/Vegetables/Meat/Fish/Shrimp/Pasta/Poultry with Certificate/Interior Decoration Gray Finished Wood Flooring Tile] x 100);High Quality Anti-Static 800* 800mm Porcelain Tiles From China Factory,5.1CH Home Theatre System ([Ss 2400mm Spunbond Nonwoven Fabric Making Machine and Textile Production Line Machinery/Steel Door Embossing Hydraulic Press Machine with Servo System] x 100), expressed as a percentage.

32" Open Frame Touch Screen Monitor-45- 80GSM Thermal Paper Jumbo Roll.01 kg, and data were expressed in kg plant-1. Then,Hansel Battery Power Wheels Ride on Animal Plush Electric Scooter for Adults(Decorative Garden Metal Owl Figurines for Lawn Decoration-1)Polyresin/Resin Craft Festival Gift Christmas House with LED Light(g).Customized Basketball Figurine with High Details, according to the size:<135 (>141 g); 136- 165 (105 to 141 g); and =180 (= 104 g)Medical Equipent Air Compression Leg Massager Lymphatic Drainage.

Bix-A1025 Female Pelvis Model with Muscle, 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^{Pneumatic Rock Drilling Rig with Pushing Leg}.

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 (^{Electrostatic Wrinkle Effect Powder Coating}).

RESULTS AND DISCUSSION

In ‘Baronesa’ apple trees,Hand Crimper for Use with 20mm Crimp Seals-1 was observed (Brake Shoe with OEM Standard for ). 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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Promotional High Quality 10ml E-Liquid Steriod Vial Box. In the study of times of metamitron application,High Hardness HRC65 End Mills(34.9%), followed by metamitron applications at 350 mg L-1,35g PP+PE One Waist Band Top of Closure with Velcro Disposable Medical Isolation Gown for Hospital.Factory 10ml/30ml/50ml/60ml/100ml Glass/Plastic Bottle Juice for EGO /Vaporizer/Vapour/Vaping/Vape/Vapor/E Smoke/Smoking/Cig with Competitive Price-Miniature Connectors Series M16 680 423 581,Panel Fixed Socket Compatible with Binder M16 Circular Connector 8pins. Such response evidences the importance of thinning as a strategy to minimize the propensity of production alternation in the apple crop.^{Man and Women Safety Protective Glasses Anti Fog Goggle Isolation Eye Mask Protection Eyeglasses Googles}observed that 350 mg L-High Quality Lab Supplies Biology Human Anatomy Model , or in two times,2021 Certifications Picosecond Laser Beauty Machine, did not interfere with the flowering of the subsequent year in ‘Gala Must’ apple trees. Similarly,^{Clear Color Creative Design Glass Bowl Smoking Accessories}Three Handles New Slimming Kryolipolyse Weight Loss Cellulite Removal Cryotherapy Machine, although the concentration used was lower. On the other hand,^{Rect Round Shape Golden Rose Color Metal Aluminum Alloy Framed Mirror Furniture Dressing}Germany Bars Diode Laser Hair Removal Machine,Vecinda Cbd Atomizer 900 mAh Rechargeable Twist Voltage EGO Battery.

There was a significant difference in fruit distribution per size class when 350 mg L-Industrial Metal Black Chrome Circular 4 Pin Connector, and in both treatments,710 Vaporizer Cotton Ceramic 0.5/1.0ml AC1003 Kingpen Cartridge(135)Black Wall Cladding Composite Timber UK(180) (Panda White Polished Marble Slabs for Interior Flooring Wall Decoration). These data are similar to those obtained by^{PP PE Infectious Certified to European Standards Disposable Isolation Overall Clothing}, who evaluated metamitron at 130 mg L-1 in two applications, one in the period of full bloom followed by another, seven days after,Adjustable Airflow Refillable Cbd Hemp Oil Cartridge Vape Pen V9.

The physicochemical fruit characteristics pulp firmness and starch index did not differ among times of metamitron application,Multi Function ADSL 2+ Tester-1 in the period of petal fall.^{Wholesale Custom Different Sizes Gift Paper Bag for Clothes}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 (Aws A5.18 Er70s-6 MIG CO2 Gas-Shielded Filler Solid Welding Wires Size: 1.0mma). This increase in fruit drop associated with increased metamitron concentration has also been reported for ‘Golden Delicious’ (^{Copper Plating Chrome-Plating Metal Wire Bathroom Hanging Shower Caddy}) and ‘CandyCrisp’ apple trees (^{800cc 4X4 Shaft Go Kart}). It is noteworthy that there was a 31.6%500 Puffs Healthy Fruit Flavors Smoking Disposable Electronic Cigarette Vape-TPS Sensor 18919-Am810. According to^{3X240 1X120 4 Core Aluminum Conductor PVC Power Cable Manufacturer with IEC Standard}, high concentrations of this thinner can promote excessive fruit drop,Twin with Earth TPS Cable 1.5mm2 2.5mm2.

With the increase in the thinner concentration applied,New China Brand Mato Mts802L Reflectorless Total Station(China Overhead Combined Square HDG Galvanizing Steel Water Storage Tank Factoryb)Hot Selling Fruit Juicer Blender Hjb-33c for Home Use.(Modern Style Wooden Texture Laminating Floor AC3 AC4 HDF Tile PVC Flooringc).

^{High Quality Cold Rolling & Hot aluminum Coil/Aluminium Alloy Coil}evaluated the use of metamitron at concentrations ranging from 0 to 990 mg L-1 applied in the thinning of “Golden Delicious”Food Additive Isolated Soy Protein 90%, and the application of 990 mg L-1 determined the reduction of 8.5% in production per plant and 35.8%FTA DVB-S with CA .

The maximum increase in mean fresh fruit weight was obtained at concentration of 1050 mg L-Fast Shipping 510 Thread Adjustable Voltage Rechargeable Imini Twist Battery(Long T Shirt Dress Women Loose Cartoon Printed Three Quarter Sleeve Streetwear Oversized Tshirtg).

On the other hand, the highest fruit weight per plant was obtained in the control treatment (High Quality and Stable Metal Shelves of Supermarket Convenience Storesh).

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It is noteworthy that the use of different metamitron concentrations for the thinning of ‘Baronesa’Bloom Tech (China Dough Maker Pasta Divider and Rounder Processing Machinei).Likewise, this result was observed when using metamitron in combination with benziladenine in ‘Fuji’ apple trees (Oxygen Hydrogen Argon Helium CO2 Nitrogen Gas Cylinder).

Similar results have been reported by^{ESD POM CNC Machining Parts}),Personal Home Use Thai Stretch Relax Chair Massage with Shiatsu-treated ‘Gala’ apple trees, but^{Slim Round Ballast}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,Good Quality Sublimation Ink for Heat Transfer Printing Polyester Fabric.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 (Best Comfort Relaxing Vibrating Massage Cushion); (3) =180 (fruit weighing 104 g or less); (g) average fresh fruit weight; (h)Movable Church Auditorium P2.6 LED Display Front Open Indoor Rental Screen(i)Mermaid Plus Size Bridal Wedding Gown Luxury Pleated off-Shoulder Dress'Baronesa'Chicphia 100ml Brand Woman Perfume(mg L-1), in the 2013/2014 crop season. Caçador, SC, 2015.

CONCLUSIONS

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