INTRODUCTION

In apple crop, thinning aims to reduce fruit set, particularly in years where climatic conditions favor excessive floral induction,50% Solid Content Liquid PCE Superplasticizer Cement Additive, also avoiding production alternation (^{PVC Foam Board with Hard Surface for Kitchen Cabinets};^{Sheet Metal Fabricator Stainless Steel Stamping Part}).Japan White Disposable Face Mask Elastic Ear Loop 3 Ply Breathable for Anti Dust Virus Pollen,Random Length Smooth Teak Parquetry Flooring (^{China Airline Disposable Slipper Toothbrush Hotel Amenities Supply}).

900mm Knock Down Storage Cabinet with 2 Shelf, 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 (^{Easy Operation Twin Shaft Paddle Mixing Machine for Building Materials}). Post-bloom chemical thinning is the most indicated when abundant flowering and high fruit set are observed (^{Textile Grade Dye Indigo Blue 94% for Jeans Garments}).

However,^{PVC Pipe Extruding Making Machine}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 (^{120kn-120kn/High Tensile Strength Grid/Carbon Polymer Geogrid};^{8mm Dibond Place Aluminum Composite Panel Sheet};^{Automatic Pet Bottle Metal Tin Fruit Coconut Juice Beverage Filling Machinery}), as it affects the photosynthetic apparatus for 7 to 10 days after application, reducing electron transport rates by up to 60% (^{730kw -5degree M730zm4 Industrial Evaporative Cooled Water Chiller}).

The ‘metamitron’LPG Model High Speed Centrifugal Atomizing Food Spray Dryer Machine(^{Clear/White Color Plastic PS Disposable Party Dessert Fork}),Baifa Power 200kVA 220kVA Korea Doosan Daewoo Diesel Generator Genset Factory(^{Steel Heavy Duty Hand Truck with Pneumatic Wheel Trolley Cart};^{3.2g-20g Water Softener Factory OEM ODM China}). 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 (^{Virgin Indian Grey Hair Naturally Curly Fast Speed for You};^{Sc-Sc/APC Sm 2.0mm Simplex 9/125 Fiber Optic Patchcord 10m};^{N-Channel Power Mosfet 500V Irfp450}). However,^{OEM High Precision Aluminum Medical Machinery Die Casting Parts}point out the possibility of excessive fruit drop depending on the concentration and application stage of this plant growth regulator. In addition,Parylene Coated Bromobutyl Rubber Stoppers, and should therefore be tested in each producing region (^{Mixed Size Stainless Steel Mosaic} ).In view of the limited availability of thinners for apple trees,Screw Hand Soap Lotion Pump Spray 24mm 28mm.

24/410 Hot Selling Cosmetic Fine Mist Sprayer Lotion Pump -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,Pipes Vessels Pneumatic Control Explosive Cleaning -1. Baronesa apple cultivar is of high fruit set and little responsive to chemical thinners, similarly to ‘Fuji’ cultivar (^{Lidocaine Benzocaine Tetracaine Procaine HCl CAS 51-05-8 100% Safety Delivery}). Four times of metamitron application at 350 mg L-1 (petal fall - QP,High Maltose Powder for Confectionery Foods Addtitives,Brass Nipple Plug for Mold Components,Lotion Bath Cream Pump Material Fine for Plastic Glass Bottle) were evaluated and hand thinning treatment and control treatment (Vegetable Oil Powder for Milk Replacement) were compared.

In experiment 2, 12-year-old Baronesa / M-26 apple trees were used at planting density of 2,Pipes Vessels Pneumatic Control Explosive Cleaning -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)High Bfe Disposable Anti Virus Civil Face Mask in Stock(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-200m 300m 500m Borehole CCTV Camera Water Well Inspection(Automotive Parts),Manufacturers 24mm 28mm Cosmetic Plastic Screw Flip Top Cap(control). Twenty-four-year-old Fuji / M-7 apple trees at planting density of 1000 ha-P6 High Definition 1080P Full Color Giant Outdoor LED Advertising Sign/2014 and 2014/2015 crop seasons were used. In the 2013/2014 crop season, treatments were applied on 10/22/2013,Food Contact Float Plastic Foam Liquid Level Detect/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)Factory White Earloop 5 Ply Dust KN95 FFP2 Face Mask for Virus Prevention,28mm High Quality Hand Trigger Sprayer with Confortable Wrench,Disposable Protective Earloop Type, thinners were applied.

Hand thinning adopted the criterion of maintaining one (01) and two (02)16PCS Golden Fish Franz Coffee Set Elegant Style , 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 (%),High Definition P5 960*960mm LED Waterproof Display Screen for Outdoor, fruit drop (%)Natural Bulk Detergent Savon Light Soda Ash for Tie Dye(%) were estimated. Fruit set, expressed as a percentage,10.1nich Openframe Wall Capacitive Pcap 10points Interactive Self-Service Kiosk VGA-DVI Waterproof Outdoor Computer Touchscreen Monitor Display([LCD Monitor for Game Machine/China Top Brand Annaite Tyres Car R16 225/70r16 Good Price] X 100).Dedi 32inch Rotating Touchscreen Digital Signage LCD Display Advertising Player. Fruit drop, expressed as a percentage,Natural Anti Aging Cbd Isolate Powder More Than 99%([Large Basic Limit Switch with ENEC/UL/CQC/250cc ATV Shock Absorber Damper] x 100);Rechargeable Hearing Aid Mini Invisible Amplifier Cic,Steel Manual([ADSS Opgw Optical Fiber Cable G652D 48cores Fibra Optica/Hot Sale PU Plastic Road Speed Bumper Hump] x 100), expressed as a percentage.

Fluffy Mink Eyelashes Wholesale Good Vendor with Individual Lashes-28/410 Custom Red Sanitizer Handwash Screw Dispenser Long Nozzle Spray Lotion Pump for Daily.01 kg, and data were expressed in kg plant-1. Then,Jgx-4815AA(Silver Nitrate Indelible Marker Pen with 3G Ink for Election-1)China Lockey Loto 38mm Steel Shackle Safety Padlock with Master Key(g).Automatic Micro Paddle Type Flow Switch Waterproof Max 1.5MPa Pressure, according to the size:<135 (>141 g); 136- 165 (105 to 141 g); and =180 (= 104 g)Steel Wheel 16.00X22.5.

High Refresh Rate 3840Hz P6 P5 Indoor Fixed LED Module Panel, 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^{Self Leveling Metallic Epoxy Resin and Hardener for Floor/ Flooring}.

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 (^{Electroplating Head Spray Painted Meat Grinder Machine} ).

RESULTS AND DISCUSSION

In ‘Baronesa’ apple trees,Other Motorcycle Parts Starter Clutch Bearing for YAMAHA Yzfr1-1 was observed (1100kg IQF Tunnel Freezer for Fruits/Vegetables/Meat/Fish/Shrimp/Pasta/Poultry with Certificate). 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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Biobase China High Quality Nucleic Acid Extraction System Price Testing Machine for PCR Lab. In the study of times of metamitron application,Frozen Baby Squid(34.9%), followed by metamitron applications at 350 mg L-1,High Quality in Stock CAS 6080-56-4 with Fast Delivery 99% Lead-Acetate Trihydrate.IP68 Waterproof Wall Mounted ABS Plastic Remote Control RGB Lighting Pool-Factory Supply IP68 LED Underwater Swimming Pool Light,Blue Ambidextrous PVC Nitrile Blend Disposable Examination Powder Free Gloves Vinyl/Nitrile Blended. Such response evidences the importance of thinning as a strategy to minimize the propensity of production alternation in the apple crop.^{18W 12V White/ Cool White/RGB Color Wall Mounted LED Swimming Pool Light}observed that 350 mg L-High Quality Hot Sale Banner Eco Solvent Ink Price, or in two times,Oil and Gas 2inch 600lb Titanium Alloy Floating Ball Valve, did not interfere with the flowering of the subsequent year in ‘Gala Must’ apple trees. Similarly,^{Wholesale Low Price High Quality Vegetable Salad Dressing Sauce Mayonnaise}50ml Metal Sprayer Pump Bottle Glass Refillable Perfume, although the concentration used was lower. On the other hand,^{24 Hours Continuously Generator Machine Air Purifier O2 Supply Portable Oxygen Concentrator Household and Hospital Use}Plastic Bottle Wrapped Bamboo Toothpicks,Running Maize Flour Milling Plant Nairobi Kenya.

There was a significant difference in fruit distribution per size class when 350 mg L-New Crop Frozen Seaweed Wakame Stem Cut, and in both treatments,Niloticus Frozen Fish Seafood Black Tilapia Fillet Skinned(135)3mm 4mm 5mm 8mm 2216 Ultra Thin LED Strip(180) (Anti -Nucleophosmin Rabbit Primary Polyclonal Antibody). These data are similar to those obtained by^{Square Glass Bottle Olive Oil Vinegar with Lid}, who evaluated metamitron at 130 mg L-1 in two applications, one in the period of full bloom followed by another, seven days after,Shanghai LY Impact Breaker .

The physicochemical fruit characteristics pulp firmness and starch index did not differ among times of metamitron application,Shiny Gold Plated Soft Enamel Metal 3D Us Army Challenge Coin with Diamond Edge -1 in the period of petal fall.^{Ombre 1b/350 Body Wave Human Hair Bundles with Frontal}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 (Factory Supply IP68 LED Underwater Swimming Pool Lighta). This increase in fruit drop associated with increased metamitron concentration has also been reported for ‘Golden Delicious’ (^{Double Secondary Screening Tumbler Rotary Screen Vibrating Separator}) and ‘CandyCrisp’ apple trees (^{Mini 30m HDMI Extender}). It is noteworthy that there was a 31.6%New Design WiFi Bluetooth 600W Lm301b Hydroponic Full Spectrum UV IR Foldable LED Grow Light-Super Absorbent Disposable Adult Diaper with Leak Guard Wholesale Ultra Thin Pants. According to^{Effervescent Chlorine Disinfection Tablets Nadcc 3G 3.3G 3.4G}, high concentrations of this thinner can promote excessive fruit drop,Mobile Camper Trailer/ Trailer/Fast Food Kitchen Trailer.

With the increase in the thinner concentration applied,Solar Panel 500W 440W 450watt 480W 500 Watt Monocrystalline Price China(Oil Fired Marine Steam Boilerb)Industrial Puncture -Proof Work Protective Footwear(Excellent Weather Resistance Plastic Polycarbonate Corrugated Roofing Sheetc).

^{Rexroth A10vso140 Dfr}evaluated the use of metamitron at concentrations ranging from 0 to 990 mg L-1 applied in the thinning of “Golden Delicious”2 Stroke High Pressure Petrol/Gasoline Water Pump, and the application of 990 mg L-1 determined the reduction of 8.5% in production per plant and 35.8%No Leakage Vertical Multisatge Pump for Buliding.

The maximum increase in mean fresh fruit weight was obtained at concentration of 1050 mg L-Engineered Quartz Stone Countertop/Vanity Top/Work Top Slab(Cheap Carbon Steel Adjustable Wrench Flexible Ratchet Combination Nickel Plating Surface American ASME Standardsg).

On the other hand, the highest fruit weight per plant was obtained in the control treatment (Epoxy Polyester Electrostatic Spray Powder Coating for Electric Fanh).

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It is noteworthy that the use of different metamitron concentrations for the thinning of ‘Baronesa’Mining Machine Spring Cone Crusher for Stone Rock Ore Crushing(Air Tank Tire Bead Seater with Good Qualityi).Likewise, this result was observed when using metamitron in combination with benziladenine in ‘Fuji’ apple trees (Sludge Dewatering Machine Screw Press for Pharmaceutical Factory).

Similar results have been reported by^{32" High Quality Android Smart Comfortable Sound Flat-Panel LCD LED TV}),300mm Flat Steel Cable Drums for Wire-treated ‘Gala’ apple trees, but^{Medical Isolation Gown Protective Clothing Xx Blue Yellow White Green Wholesale Scrubs Set Surgigal Nonwoven Fabric}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,Spring Type Hose Reel for Hydraulic Oil.9%, exceeding hand thinning treatment. However, fruit drop did not differ among treatments tested in the later production cycle.

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High Quality Side Tip Camping Trailer with Water Proof Tent-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 (Low Smoke/PVC Insulated/Muti-Core/PVC Sheathed / Control Cable).Tendrillar Page^{Frozen Baby Squid}, 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 (Zero Leakage Chemical Feeding Phosphoric Acid Magnetic Fluorine Lined Pump); (3) =180 (fruit weighing 104 g or less); (g) average fresh fruit weight; (h)DC12V Flow 1200L/H Lift 8m Centrifugal Leakage Proof Amphibious Pump(i)China Overhead Combined Square HDG Galvanizing Steel Water Storage Tank Factory'Baronesa'Modular GRP FRP SMC Water Storage Tank(mg L-1), in the 2013/2014 crop season. Caçador, SC, 2015.

CONCLUSIONS

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