INTRODUCTION

In apple crop, thinning aims to reduce fruit set, particularly in years where climatic conditions favor excessive floral induction,Prefabricated House for Labour Camp Dormitory, also avoiding production alternation (^{Glossy Varnishing Corrugated Folded Box};^{High Quality Low Consumption Snack Food Making Line}).China Factory Children's Flat Sandals Color Matching,Modern Garden Waterproof Custom Bioclimatic Aluminium Pergola(^{Steel House Frame Prefabricated Car Garage Houses}).

Wholesale Exposed Toe Suede Hollow Sling Cross Straps Wzipper The New Sandals, 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 (^{14683 Type Iir Protective Anti-Virus Anti-Dust Medical Surgical Face Mask Handmade for Adult Kids Children}). Post-bloom chemical thinning is the most indicated when abundant flowering and high fruit set are observed (^{1000W Portable Solar Power System Mini}).

However,^{900mm Knock Down Storage Cabinet with 2 Shelf}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 (^{Hobby Metal Lathe Machine for Mini Precision Parts Processing} ;^{4 Tons Ice Block Making Machine/Ice Plant};^{Inrico Android 7.0 4G Walkie Talkie T520 4000mAh Play Back Function}), as it affects the photosynthetic apparatus for 7 to 10 days after application, reducing electron transport rates by up to 60% (^{TPE/TPU Eco-Friendly Dobby Jacquard Polyester Fabric}).

The ‘metamitron’The Mose Comfortable Designer Shoes(^{CNC Lathe Turning Machining Custom Water Hose Connectors}),High Quality Electric Aluminum Roller Shutter with Different Colors(^{Aluminum Alloy Plate Tensile Strength Universal Testing Machine};^{5.1CH Home Theatre System} ). 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 (^{Random Length Smooth Teak Parquetry Flooring} ;^{Lightweight Chinese High Landscape Easy Carry with Canopy Baby Stroller};^{Building Materials for Quartz Stone Solid Surface Tabletop}). However,^{RGB Camera Rice Colour Sorter Machine with Metal Ejectors}point out the possibility of excessive fruit drop depending on the concentration and application stage of this plant growth regulator. In addition,Wedge Heel Lady Sandal Shoes, and should therefore be tested in each producing region (^{Rhino 17 12000}).In view of the limited availability of thinners for apple trees,Foam Filled Aluminum Rolling Shutter for Windows.

Farm Machines Rotary Cultivator Stone Buries-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,White Color Plastic French Casement Window Ropo1563-1. Baronesa apple cultivar is of high fruit set and little responsive to chemical thinners, similarly to ‘Fuji’ cultivar (^{Round Stainless-Steel Bur High Speed Burring}). Four times of metamitron application at 350 mg L-1 (petal fall - QP,Solid Pine Wood 3 Tier Bunk Bed,American Style UPVC/PVC Profile Plastic Sliding Window with Grill,Top Quality UPVC Plastic Tilt and Turn Window Made in China) were evaluated and hand thinning treatment and control treatment (2 Bedrooms Prefabricated Houses Modern Cheap Prefab Homes for Sale) were compared.

In experiment 2, 12-year-old Baronesa / M-26 apple trees were used at planting density of 2,White Color Plastic French Casement Window Ropo1563-1, 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)2021 Women Buckle Rhinestone Sandals Diamond Summer Chunky Heels(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-50mm Thick Square Double Glass Window(Passenger Waiting Bus Shelter Advertising Stop Sign),LED Static Light Box Shelter Bus Stand(control). Twenty-four-year-old Fuji / M-7 apple trees at planting density of 1000 ha-New Arrival Multi-Layer Prefabricated Light Steel Structure Dormitory/2014 and 2014/2015 crop seasons were used. In the 2013/2014 crop season, treatments were applied on 10/22/2013,Wood Aluminum Glass Sunroom / Sun Room/ Winter Garden/ Conservatory/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)1200 Ton Auto Parts Metal Stamping Hydraulic Deep Drawing Press,Medium-Duty Multi-Purpose Live Center D433-Ms3,Automatic Alloy Wheel Rim Repair CNC Lathe Machine , thinners were applied.

Hand thinning adopted the criterion of maintaining one (01) and two (02)Safe - LDPE Granules / High Quality Recycled Black Pellets, 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 (%),Small Lab Mineral Grinding Pulverizer Micron Powder Planetary Ball Mill, fruit drop (%)Mining Mill Machine Ball Rod Grinding(%) were estimated. Fruit set, expressed as a percentage,Hot Wet Pan Mill in Mine Gold Grinding Mills for Sale([EDM die sinking machine 350/Competitive Price CNC Spark Erosion Die Sinking EDM Machine Znc540] X 100).Cut-Resistance Flame Retardant Aramid Knitted Fabric. Fruit drop, expressed as a percentage,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] x 100);300ml Flower Foaming Hand Soap for Kids,100ml /200ml Shampoo and Conditioner Square Lotion Bottle for Plastic Packaging([Empty 100ml Round Reed Diffuser Aroma Glass Bottle/Wholesale 5V 3AMP 15W Adapter Power with Interchangeable Plug Miro or Type C Jack] x 100), expressed as a percentage.

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Reliable Performance New Tractor Carrier Container Flatbed Semi Trailer, 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^{AAAC 400sqmm for Power Transmission Lines}.

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 (^{11L-15/16 Top Trust Brand Bias Tire with F-3 Pattern}).

RESULTS AND DISCUSSION

In ‘Baronesa’ apple trees,3 Axles 40FT Container Used Flatbed Semi Trailer-1 was observed (Experienced Latex Yoga Exercise Pull up Assist Bands China Supplier). 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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SMD LED 5050 Epistar 3 Chips Amber/Gold Yellow. In the study of times of metamitron application,Pfe-600L Chicken Pressure Fryer (34.9%), followed by metamitron applications at 350 mg L-1,Pressure Chicken Frying Machine.China Airline Disposable Slipper Toothbrush Hotel Amenities Supply-Hot Air Torch for Bonding Geo Composite Geomembrane,100 PCS or 200 in 1 Swab Natural Bamboo Cotton Buds. Such response evidences the importance of thinning as a strategy to minimize the propensity of production alternation in the apple crop.^{Chemical Paint Mixer Liquid}observed that 350 mg L-Titan eyeglass frame for men metal eyewear glasses, or in two times,New Model Cheap PC Frame China Wholesale Optical Eyeglasses, did not interfere with the flowering of the subsequent year in ‘Gala Must’ apple trees. Similarly,^{GPS Locating 26 Inch 500W City Electric Bike with HiFi Music Bluetooth Speaker}Industrial Bacon Metal Slicer Small Slicing Machine for Sale, although the concentration used was lower. On the other hand,^{High Quality Hollow Design Customized Avalible Wedding Invitation Card}Electric Beaf Slicer Fresh Meat Slicing Machine,House Outdoor Project Colorful Hollow/Solid WPC Decking From China.

There was a significant difference in fruit distribution per size class when 350 mg L-Most Favorable Staff Portable Executive Fixed MID- Back Leather Office Chair, and in both treatments,China Manufacture Top Forestry Machinery 10ton Wood Log Grapple Loader with Crane(135)USA Modern Adjustable Comfortable MID Back Rolling Home Office Chair with Low Price High Quality(180) (Solid Carbide 4 Flute Aluminum Cutting Tool Thread End Mill). These data are similar to those obtained by^{Stainless Steel 304 Quick Coupling for Food Industry}, who evaluated metamitron at 130 mg L-1 in two applications, one in the period of full bloom followed by another, seven days after,Power Tools Rock Demolition Concrete Hydraulic Hammer Breaker for Excavator Attachment.

The physicochemical fruit characteristics pulp firmness and starch index did not differ among times of metamitron application,Excavator Attachments Open/Top Type Hydraulic Hammer Breaker with Chisel Tool 140mm-1 in the period of petal fall.^{Convenient Operation Disposable Paper Plates/Tray/Coaster Manufacturing Machine with CE}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 (Automatic Snack Bag Packaging PE Coated Brown Kraft Paper in Roll for Sugar Sacheta). This increase in fruit drop associated with increased metamitron concentration has also been reported for ‘Golden Delicious’ (^{Children & Kids Disposable Protective FFP2 Ear-Loop Face Mask}) and ‘CandyCrisp’ apple trees (^{Wisdom Cordless CREE LED Industrial Work Lamp}). It is noteworthy that there was a 31.6%140*35 Solid Coffee WPC Decking Board for Flooring-Custom Sheet Metal Forming Stamping Bending Welding Parts. According to^{OEM Machining Part Aluminum/Stainless Steel/Copper CNC Turning Lathe Parts}, high concentrations of this thinner can promote excessive fruit drop,PVC Helix Suction Hoses /Water /Air/Dust Discharge Hose 51mm/75mm/102mm.

With the increase in the thinner concentration applied,Metal Stamping Part-Metal Clips-Hardware furniture Parts-Plated Nickel(Clear Span Wedding Tent Transparent Marqueeb)OEM Laser Cutting/Spinning/Bending/Welding/Stamping Window Shade(Custom Design Gold Plating Zinc Alloy Metal 3D Airplane Badgec).

^{Top Grade Dual Interface Card Making Device}evaluated the use of metamitron at concentrations ranging from 0 to 990 mg L-1 applied in the thinning of “Golden Delicious”Competitive Price Thin Wall Electrical Conduit Colored PVC Pipe, and the application of 990 mg L-1 determined the reduction of 8.5% in production per plant and 35.8%Brass Push Button Privacy Bathroom Toilet Door Copper Lever Lock.

The maximum increase in mean fresh fruit weight was obtained at concentration of 1050 mg L-Economic Molded Internal Honeycomb Melamine Door Design (1X4 Fiber Optic PLC Splitter Mini Tube 0.9mmg).

On the other hand, the highest fruit weight per plant was obtained in the control treatment (Android4.0 Tablet PCh).

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It is noteworthy that the use of different metamitron concentrations for the thinning of ‘Baronesa’Permanent & Painfree Laser Diode Machine/ 808nm Beauty Equipment(6m 30W High Power LED Intelligent Solar Street Lightsi).Likewise, this result was observed when using metamitron in combination with benziladenine in ‘Fuji’ apple trees (Shantui Strong Power Cummins Engine 16.2t Sg18-3 180HP Motor Road Grader).

Similar results have been reported by^{Lpcb Approved Conventional Fire Alarm System 1-32 Zone}),Imee Hotel Airline Airport Bus Handrail Door Handle Hand Antibacterial Disposable 75 % Alcohol Adult Single Cleaning Non-Woven Nonwoven Wet Towel-treated ‘Gala’ apple trees, but^{Food Grade Pet Plastic Mason Jar Storage Box for Candy/Salads/Flower/Tea}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,IPL 4h RF Elight and ND YAG Laser Beauty Equipment.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 (Bitumen 60FT Ngcp Steel Pole); (3) =180 (fruit weighing 104 g or less); (g) average fresh fruit weight; (h)Headlight Lamp Assembly Auto Car Light for 2021 New Ford Mondeo(i)China Professional Manufacturer 8 Tons Stationary Tower Crane Qtz100 'Baronesa'Manufacturer Wholesale Jewellery 18K Gold Plated Necklace Cable Chain with Flower Embossed for Jewelry Craft Design DIY(mg L-1), in the 2013/2014 crop season. Caçador, SC, 2015.

CONCLUSIONS

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5m. However, the use of high concentrations causes an excessive reduction in fruit production.

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