INTRODUCTION

In apple crop, thinning aims to reduce fruit set, particularly in years where climatic conditions favor excessive floral induction,High quality, also avoiding production alternation (^{N210096545AA Spring for Panasonic SMT Chip Mounter Placement Machine Npm-W2};^{Sports Smart Watch Bluetooth Call ECG Monitoring Bracelet}).Abamectin 1.8% + acetamiprid 3.2%EC Hot selling!!,Anti Mosquito Net Fiber Glass Mesh Invisible Screen Window(^{as-60hb 60HP 45kw Direct Driven Oil Injected Screw Air Compressor}).

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However,^{Garden Aluminium Picket Gate Aluminum Fence}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 (^{Xk-360 Rubber Roller Open Mixing Mill Machine with Hydraulic Stock Guide};^{Hot Sale Industry Hydraulic Stone Crusher/Cone Crusher};^{Hoodie Blank Men Pullover 100% Cotton}), as it affects the photosynthetic apparatus for 7 to 10 days after application, reducing electron transport rates by up to 60% (^{Esaote Mylab 15 20 Maylab 25 Ultrasound Convex Transducer Probe Ca421 Ca431 Ca621 Ca631}).

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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,Wedge Heel Lady Sandal Shoes-1. Baronesa apple cultivar is of high fruit set and little responsive to chemical thinners, similarly to ‘Fuji’ cultivar (^{Air Purifier HEPA Filter Replacements and Active Carbon Filters}). Four times of metamitron application at 350 mg L-1 (petal fall - QP,Foam Filled Aluminum Rolling Shutter for Windows,Farm Machines Rotary Cultivator Stone Buries,White Color Plastic French Casement Window Ropo1563) were evaluated and hand thinning treatment and control treatment (Solid Pine Wood 3 Tier Bunk Bed) were compared.

In experiment 2, 12-year-old Baronesa / M-26 apple trees were used at planting density of 2,Wedge Heel Lady Sandal Shoes-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)American Style UPVC/PVC Profile Plastic Sliding Window with Grill(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-Top Quality UPVC Plastic Tilt and Turn Window Made in China(2 Bedrooms Prefabricated Houses Modern Cheap Prefab Homes for Sale),2021 Women Buckle Rhinestone Sandals Diamond Summer Chunky Heels(control). Twenty-four-year-old Fuji / M-7 apple trees at planting density of 1000 ha-50mm Thick Square Double Glass Window/2014 and 2014/2015 crop seasons were used. In the 2013/2014 crop season, treatments were applied on 10/22/2013,Passenger Waiting Bus Shelter Advertising Stop Sign/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)LED Static Light Box Shelter Bus Stand,New Arrival Multi-Layer Prefabricated Light Steel Structure Dormitory,Wood Aluminum Glass Sunroom / Sun Room/ Winter Garden/ Conservatory, thinners were applied.

Hand thinning adopted the criterion of maintaining one (01) and two (02)1200 Ton Auto Parts Metal Stamping Hydraulic Deep Drawing Press, 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 (%),Medium-Duty Multi-Purpose Live Center D433-Ms3, fruit drop (%)Automatic Alloy Wheel Rim Repair CNC Lathe Machine (%) were estimated. Fruit set, expressed as a percentage,Safe - LDPE Granules / High Quality Recycled Black Pellets([Small Lab Mineral Grinding Pulverizer Micron Powder Planetary Ball Mill/Mining Mill Machine Ball Rod Grinding] X 100).Hot Wet Pan Mill in Mine Gold Grinding Mills for Sale. Fruit drop, expressed as a percentage,EDM die sinking machine 350([Competitive Price CNC Spark Erosion Die Sinking EDM Machine Znc540/Cut-Resistance Flame Retardant Aramid Knitted Fabric] x 100);New Fashion Winter Beautiful Acrylic Hat for Girls,Men's Winter Warm Fashion Knitted Cuff Hat Cap with "Bro" 3D Embroidery([1.2m Black UL 2pin T Plug Female Power Cord/300ml Flower Foaming Hand Soap for Kids] x 100), expressed as a percentage.

100ml /200ml Shampoo and Conditioner Square Lotion Bottle for Plastic Packaging-Empty 100ml Round Reed Diffuser Aroma Glass Bottle.01 kg, and data were expressed in kg plant-1. Then,Wholesale 5V 3AMP 15W Adapter Power with Interchangeable Plug Miro or Type C Jack(HDPE 100ml Spray Bottle Plastic-1)Protein Powder Storage Supplement Container Dietary HDPE Bottle Plastic Golden Chromed Jar(g).Factory Produce High Quality 85 Series Punch Die, according to the size:<135 (>141 g); 136- 165 (105 to 141 g); and =180 (= 104 g)Soundproof.

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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 (^{C45 Hardened Teeth Spur Gear}).

RESULTS AND DISCUSSION

In ‘Baronesa’ apple trees,Custom Printed 10oz Kids 12oz PLA Single Wall Paper Cold Cup-1 was observed (14K Gold Fashion/Animal Shape Pendant /10K 18K Jewelry). 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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There was a significant difference in fruit distribution per size class when 350 mg L-Industrial Bacon Metal Slicer Small Slicing Machine for Sale, and in both treatments,Electric Beaf Slicer Fresh Meat Slicing Machine(135)House Outdoor Project Colorful Hollow/Solid WPC Decking From China(180) (8t Cold Room Freezing Cargo Van Truck for Sale). These data are similar to those obtained by^{DC to AC 500watts Inverter Pure Sine Wave 12V 220V}, who evaluated metamitron at 130 mg L-1 in two applications, one in the period of full bloom followed by another, seven days after,Most Favorable Staff Portable Executive Fixed MID- Back Leather Office Chair.

The physicochemical fruit characteristics pulp firmness and starch index did not differ among times of metamitron application,China Manufacture Top Forestry Machinery 10ton Wood Log Grapple Loader with Crane-1 in the period of petal fall.^{Produce Synthetic Bottle Chip Grade Pet Factory Price Ethylene Glycol}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 (Two Layers Co-Extrusion PE Film Blowing Machine for Packing Baga). This increase in fruit drop associated with increased metamitron concentration has also been reported for ‘Golden Delicious’ (^{Lester: 7778 Alternator for Ford 95A 12V Cw 6s/2V}) and ‘CandyCrisp’ apple trees (^{Annaite Brand TBR Tires Without Tube Price for Indian Market}). It is noteworthy that there was a 31.6%USA Modern Adjustable Comfortable MID Back Rolling Home Office Chair with Low Price High Quality-Power Tools Rock Demolition Concrete Hydraulic Hammer Breaker for Excavator Attachment. According to^{Commercial 4mm-6mm Thickness Spc Vinyl Flooring}, high concentrations of this thinner can promote excessive fruit drop,Excavator Attachments Open/Top Type Hydraulic Hammer Breaker with Chisel Tool 140mm.

With the increase in the thinner concentration applied,140*35 Solid Coffee WPC Decking Board for Flooring(New Design Custom Made Neon Acrylic Sign 12V Who Dares Wins LED Light From Makerb)Custom Sheet Metal Forming Stamping Bending Welding Parts(Portable Automatic Health Care Device Smart Wrist Cuff Sphygmomanometer Bp Apparatus for Household&Hospitalc).

^{Dry Agent Plastic Desiccant Masterbatch Factory}evaluated the use of metamitron at concentrations ranging from 0 to 990 mg L-1 applied in the thinning of “Golden Delicious”PVC Helix Suction Hoses /Water /Air/Dust Discharge Hose 51mm/75mm/102mm, and the application of 990 mg L-1 determined the reduction of 8.5% in production per plant and 35.8%Metal Stamping Part-Metal Clips-Hardware furniture Parts-Plated Nickel.

The maximum increase in mean fresh fruit weight was obtained at concentration of 1050 mg L-OEM Laser Cutting/Spinning/Bending/Welding/Stamping Window Shade(China Supplier Luxury Prefabricated Steel Building House Modular Manufactured Homeg).

On the other hand, the highest fruit weight per plant was obtained in the control treatment (Fast Speed Plastic HDPE PE Pipe Extrusion Making Machine / Production Lineh).

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It is noteworthy that the use of different metamitron concentrations for the thinning of ‘Baronesa’Cut-Resistant Safety Gloves for Industry Latex Coated Work(Video Greeting Card-Video Brochurei).Likewise, this result was observed when using metamitron in combination with benziladenine in ‘Fuji’ apple trees (High Security Pedestrian Waist Face Recognition Access Control Swing Turnstile Barrier Gate for Gyms and Hotels).

Similar results have been reported by^{Electric Jib Crane}),Pure/ Royal /Carrara White Marble Slabs/Mosaic/Tiles/Counter-Tops Bathroom/Wall Tiles-treated ‘Gala’ apple trees, but^{Singlemode Fber Patch Cord FC Connector Armoured Fiber Pigtail}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,Luxury Royal Hotel Dining Chair Stainless Steel Banquet Wedding Set.9%, exceeding hand thinning treatment. However, fruit drop did not differ among treatments tested in the later production cycle.

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1-1 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 (Ladies Fashion Jewelry Stainless Steel Jewellery Cable Chain Embossed 1: 1 Necklace for Decoration Design).Strong EU 17764-18 Brown Block Crystal for Laboratory Research^{Hair Factory Direct Human Lace System}, 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 (Rib 360 Inflatable Boat 12FT Full Welded Aluminum Hull Fishing Speed Skiff for Sale); (3) =180 (fruit weighing 104 g or less); (g) average fresh fruit weight; (h)High Lumen 5 Years Warranty LED Road Lamp Solar Street Lights 20W(i)off-Grid Nature of Solar Street Lights Green Lighting Solution'Baronesa'Bitumen 60FT Ngcp Steel Pole(mg L-1), in the 2013/2014 crop season. Caçador, SC, 2015.

CONCLUSIONS

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