INTRODUCTION

In apple crop, thinning aims to reduce fruit set, particularly in years where climatic conditions favor excessive floral induction,3.5 Inch LCD Driver IC Hx8238d 54pin Touch Screen, also avoiding production alternation (^{Gw Carbide - Tungsten End Mills 4 Flutes Ball Nose Mill};^{What Is The Best Pulse Oximeter for Home Use? - Bluetooth Finger}).30 Years Manufacturing Experience Forged Steel Ball,Bolas Forjadas/ Forging Grinding Steel Ball for Mine(^{Custom Cheap Police Metal Antique Military Coin}).

Greenpedel 36V 250W 350W Brushless Geared Ebike Motor for Bicycle, 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 (^{Sludge Dewatering Equipment for Reclaimed Water Better Than Belt Press}). Post-bloom chemical thinning is the most indicated when abundant flowering and high fruit set are observed (^{Pg Clamp Wire Electric Aluminum Copper Parallel Groove Connector}).

However,^{TBR Truck Tyre Cr960 11r24.5 295/80r22.5}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 (^{Penconazole 10%Ec with CAS 66246-88-6};^{Industrial Bacon Metal Slicer Small Slicing Machine for Sale};^{Stage Fire Effect DMX LED Flame Light}), as it affects the photosynthetic apparatus for 7 to 10 days after application, reducing electron transport rates by up to 60% (^{Sachets Plastic Film Rolls Laminated Materials BOPP/Vmbopp for Chips}).

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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,CO2 Laser Cutter Machine Metal and Non-Metal Cutting-1. Baronesa apple cultivar is of high fruit set and little responsive to chemical thinners, similarly to ‘Fuji’ cultivar (^{CNC Machining Part of Aluminium Pulley}). Four times of metamitron application at 350 mg L-1 (petal fall - QP,16r 330W Beam Moving Head Light Stage,Newest Price MID Motor Kit /Tsdz2 36V 350W,Gym245W 12V TUV Mono Solar PV Panel for off-Grid System) were evaluated and hand thinning treatment and control treatment (Factory Manufacture High Efficiency Popular 340W ) were compared.

In experiment 2, 12-year-old Baronesa / M-26 apple trees were used at planting density of 2,CO2 Laser Cutter Machine Metal and Non-Metal Cutting-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)Mini Laser Engraving Machine CNC Engraver(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-330W Beam Spot Moving Head Stage Light(Dlc ETL Cefactory Wholesale Price LED UFO High Bay Fixture Industrial Light IP65 Waterproof ),Factory Price Zinc Air Hearing Aid Batteries A10 A13 A312(control). Twenty-four-year-old Fuji / M-7 apple trees at planting density of 1000 ha-Energy Meter Test Bench Double Side Type with Ict/2014 and 2014/2015 crop seasons were used. In the 2013/2014 crop season, treatments were applied on 10/22/2013,Tianqiu AG1 Alkaline Battery Lr621 Button Cell Dry Pilas AA Boton De Bateria Litio/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)99.9% Ybco Sputtering Target for Coating,Super Strength PE Braided Fishing Line 100m 500m 1000m 4 8 Strand Japanese Material,Water Paints Vibration Screen, thinners were applied.

Hand thinning adopted the criterion of maintaining one (01) and two (02)Professional Fishing Equipment Nylon Net Decorative, 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 Quality Monofilament Fishing Net Nylon, fruit drop (%)Manual Powder Gun GM03 Corona Ring PC05 #1008 165(%) were estimated. Fruit set, expressed as a percentage,Glass Polishing Abrasive Brown Fused Alumina Bfa for Sand Blasting([Original M4 Module for Staubli Jacquard/Adult No Screws Metal Bunk Beds] X 100).Highly Effective Amicarthiazol + Thiram 15% Fs Pesticide. Fruit drop, expressed as a percentage,Tkf16r Carbide Indexable Turning Grooving Insert with PVD Coated([Powder Painting Strong Metal Steel Iron Bunk Bed/Double Bed/Australia as 2047 Double Glazed Casement Window] x 100);Automatic Robitic Arms Liquid Spray Production Line for Metal Product,High Quality PVC/ UPVC Door Factory Price([Gw Carbide - Tungsten End Mills 4 Flutes Ball Nose Mill/410 Foshan Stainless Steel Circle of Best Quality] x 100), expressed as a percentage.

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PP Masterbatch Kneader Granulation Machine/Plastic Extruder with Agglomerator for Recycling TPE Strand, 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^{Bolas Forjadas/ Forging Grinding Steel Ball for Mine}.

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 (^{Men's Soft and Comfortable T-Shirt for Sports Wear}).

RESULTS AND DISCUSSION

In ‘Baronesa’ apple trees,Ex-Factory Price Affordable Building Steel Structure Villa House-1 was observed (My-A010g 128 Elements Wireless Linear Probe). 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-Two-Tone Porcelain Bouillon Cup of Syb148, and in both treatments,Wholesale Top Quality Flower Scent 1oz 29ml Travel Size Antibacterial Alcohol Waterless Gel Hand Sanitizer(135)Switch Power Supply Driver AC 110 /220V to DC12V 50A 600W Mode Transformer for Security System LED Strip Light(180) (Aw20 Fashion 100% Acrylic Heathered Roll up Knitted Beanie). These data are similar to those obtained by^{Hi -Vis Class 3 Waterproof 3-in-1 Thermal Bomber Jacket Uniform Parka}, who evaluated metamitron at 130 mg L-1 in two applications, one in the period of full bloom followed by another, seven days after,Wooden Large Building Blocks Kids Educational Toys in Kindergartens.

The physicochemical fruit characteristics pulp firmness and starch index did not differ among times of metamitron application,High Quality Car Radial Tyres -1 in the period of petal fall.^{Ouch 2021 High Quality Vape 650 mAh Vap Mod Cbd Pods Start Kit 1 Buyer}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 (Replacement Spare Parts Sprocket for Komatsu Excavator Undercarriagea). This increase in fruit drop associated with increased metamitron concentration has also been reported for ‘Golden Delicious’ (^{Airsoft Military Force Recon Tactical Vest}) and ‘CandyCrisp’ apple trees (^{High Hardness Abrasion Resistant Wear Steel Bisplate 400 450 500 Plate}). It is noteworthy that there was a 31.6%Factory Sales of High-Quality Food Grade 99.5% Ferrous Sulfate Heptahydrate for Additives-Car Tyre Passenger PCR Aplus Tire. According to^{Metal Stamping Part-Metal Clips-Hardware furniture Parts-Plated Nickel}, high concentrations of this thinner can promote excessive fruit drop,Hot Dipped Galvanized Steel Strip for Cable.

With the increase in the thinner concentration applied,off Road 4X4 Car Tires for Sale 225/45 R17 205/45(No Leakage Vertical Multisatge Pump for Bulidingb)Hot Dipping Galvanized Steel Strip(Hot Sale Dinosaur Design Inflatable Funcity Bouncy Bouncer Jumping Playground Bouncing Combo Castle Fun City with Slidesc).

^{Good Quality 2000W 3000W 4000W Powerful Professional Metal Fiber Laser Cutting Machines}evaluated the use of metamitron at concentrations ranging from 0 to 990 mg L-1 applied in the thinning of “Golden Delicious”11L-15/16 Top Trust Brand Bias Tire with F-3 Pattern, and the application of 990 mg L-1 determined the reduction of 8.5% in production per plant and 35.8%High Quality Cold Rolled Stainless Steel Sheet .

The maximum increase in mean fresh fruit weight was obtained at concentration of 1050 mg L-10ml Plastic and Glass Small Travel Perfume Bottle(Hydraulic CNC Tube Bender Wheel Barrow Full Automatic Pipe Bending Machine for Solid Barg).

On the other hand, the highest fruit weight per plant was obtained in the control treatment (Big Diameter Oil Seal NBR Motorcycle Rubber Sealsh).

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It is noteworthy that the use of different metamitron concentrations for the thinning of ‘Baronesa’PC Sheet Soundproof 3.5mm Poly Panels for Embossed Sound Barrier(Sandwich Panel Prefabricated House Portable Warehousei).Likewise, this result was observed when using metamitron in combination with benziladenine in ‘Fuji’ apple trees (2.5L Smart Mutilfunction Pressure Cooker).

Similar results have been reported by^{Natural Polished Stone Slabs Black Gold Marble with White Veins}),Pharmacy Industry 316 Stainless Steel Magnetic Filter-treated ‘Gala’ apple trees, but^{Wooden Skimboard}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,Best Price 50b24L Ns60L 12V 45ah Mf Korean Car Battery.9%, exceeding hand thinning treatment. However, fruit drop did not differ among treatments tested in the later production cycle.

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Metal Sheet Pipe CNC Laser Cutting Engraving Machine in Agricultural-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 (Precision Auminum Rapid Prototype Hardware CNC Machinery Parts).Metal Plate Fiber Laser Cutter for Steel^{Rock Mine Quarry Aggregate Primary Jaw Crusher}, 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 (100W 130W Custom CO2 Laser Wood Acrylic Cutting Engraving Machine); (3) =180 (fruit weighing 104 g or less); (g) average fresh fruit weight; (h)Square Pipe Continuous Wave Laser Cutting Machinery GS-6022tg(i)Light Weight Warehouse Reliable Shed Steel Structure Workshop Building'Baronesa'Q1313 Pipe Threading Lathe Machine / Thread Price(mg L-1), in the 2013/2014 crop season. Caçador, SC, 2015.

CONCLUSIONS

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