INTRODUCTION

In apple crop, thinning aims to reduce fruit set, particularly in years where climatic conditions favor excessive floral induction,Custom Fashion Cotton Embroidery Cap PU Leather Baseball Hat Basketball Vintage Snapback, also avoiding production alternation (^{Radial TBR Tyre 1000r20 with Bis for India Market};^{CCC Standard Electric Bicycle with 48V/60V Battery}).Low Price AAMI Level 1 Pet+PA Waterproof Polypropylene Barrier Protection Spunlace Anti Alcohol Disposable Surgical Gown,Cheap Price OEM Supplier Water Bleach Resistant Medical Dress Design Surgical Gown for Hospital(^{Custom Made Gauge 1435mm Welding Frame Bogie}).

Own Brand Personalised Puff Embroidery Eco Friendly Baseball Cap, 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 (^{Long Warranty 10kw on Grid Solar Energy System with High Standard}). Post-bloom chemical thinning is the most indicated when abundant flowering and high fruit set are observed (^{Fixed Single/Doulbe Sprocket Conveyor Roller Heavy Duty Load}).

However,^{Natural Rubber Tubeless Car Tyres Made in Thailand}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 (^{China Steel Manufacturer H13};^{Factory Wholesale Organic Pure Bitter Gourd Melon Seeds Powder Momordica Charantia Extract};^{HM-3000C Bacti-Cinerator Sterilizer}), as it affects the photosynthetic apparatus for 7 to 10 days after application, reducing electron transport rates by up to 60% (^{Csbattery 6V220ah Rechargeable AGM Battery for Emergency-Light/Forklift/Golf-Car/Medical-Equipment/Ali}).

The ‘metamitron’Miami Floral Trucker Mesh Cap and 3D Embroidery (^{2 in 1 Integrated Air-Cooled 6.6kw EV on-Board Battery Charger}),Aibort Custom Black and White Basketball Jersey (^{CE/GS/Euro5/EPA Approved 3500W 3000W Pure Sine Wave Portable Gasoline/Petrol Silent Generator Set};^{China Supplier Turnkey Corn Starch Plant Equipment with 3D Design}). 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 (^{Upgrade Models Rechargeable LED Dust Masks Glowing Color Carnival Lit Party Christmas Mask Gauze};^{Right Hand Drive Heavy Duty 371HP 30m3 40ton Dump Truck Tipper};^{200W Stage Sharpy 5r Lamp Beam Moving Head Light}). However,^{Chinese Manufacturer Methyl Hydroxyethyl Cellulose Mhec for Wall Putty}point out the possibility of excessive fruit drop depending on the concentration and application stage of this plant growth regulator. In addition,Ventilate Custom Team Logo Basketball Jersey Sublimated Uniform Top, and should therefore be tested in each producing region (^{China Supplier Mima Brand Electric Heavy Duty Pallet Truck}).In view of the limited availability of thinners for apple trees,Kids Hat with Protective Face Shield.

Fashion Summer Bucket Lady Girl Women Hat-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 2,5/6 Panel Snapback Custom Cap-1. Baronesa apple cultivar is of high fruit set and little responsive to chemical thinners, similarly to ‘Fuji’ cultivar (^{Easy Pairing K15 Portable Charging Case 5.0 Headset Mini Twins Wireless in- Ear Stereo Earphones Earbuds}). Four times of metamitron application at 350 mg L-1 (petal fall - QP,Factory Direct Straw Grass Handwoven Birdhouse for Outdoor Decor,High Quality Medical Anti-Virus Disposable Grown Protective Clothing,Metal Zip Puller for Zippers) were evaluated and hand thinning treatment and control treatment (Standard and Reinforced SMS Disposable Surgical Gown) were compared.

In experiment 2, 12-year-old Baronesa / M-26 apple trees were used at planting density of 2,5/6 Panel Snapback Custom Cap-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)Knuckle Telescopic Boom Crane Robust Design High Reliability for Service(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-3ton Slewing Arm Crane for Sale(Selling 3 Ton Workshop Wall Mounted Jib Crane Manufacturing),Ske Brand Tubular Pipe Belt Conveyor for Cement Plant Fuel Material Handling(control). Twenty-four-year-old Fuji / M-7 apple trees at planting density of 1000 ha-Mining Belt Conveyor with Large Capacity in Material Handling Industry/2014 and 2014/2015 crop seasons were used. In the 2013/2014 crop season, treatments were applied on 10/22/2013,Tower Crane 6ton Jib Length 50m/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)Electric Jib Crane,Medium Sized 2.5t Smooth Electric Jib Crane,Luxury Decoration Passenger Lift with High Quality, thinners were applied.

Hand thinning adopted the criterion of maintaining one (01) and two (02)Excellent Quality Bzd Type 1500kg Jib Crane with Widely Applied, 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 (%),100 People Movable Outdoor Stage Event Tent Clear Span Party White, fruit drop (%)Sem 5tons Wheel Loader Cat Technoloy 652b(%) were estimated. Fruit set, expressed as a percentage,Marquees for Weddings Marriage Tents Tent([EXW Price Indoor Use Fixed Pillar Slewing Mounted Jib Crane/Heavy Duty Pallet Racking for Industrial Warehouse Storage Solutions] X 100).High Peaked Marquee Tent Event for Real Estate . Fruit drop, expressed as a percentage,High Quality TFT LCD Display Car Monitor Graphic Module([Clear/White Color Plastic PS Disposable Party Dessert Fork/128*64 Cog Graphic LCD Module] x 100);Gp 0.5HP Self-Priming Peripheral Pump,New Luffing Crane Mini D4015 Hot Sales in Malaysia([3.2inch Industrial LCD 240X320 Graphic Ili9341V Controller Panel Stn 40pins Display LED Backlight/Chinese Style Fork +Spoon] x 100), expressed as a percentage.

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Hot Sale Tower Crane of Luffing Ltc6072, 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^{Industrial 4-18m 2000kg Small Portable Hydraulic Scissors Lift with Ce}.

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 (^{Pharmacy Industry 316 Stainless Steel Magnetic Filter}).

RESULTS AND DISCUSSION

In ‘Baronesa’ apple trees,Ilife Open Bow High Speed Inflatable Catamaran 300 330 380 430 for Sale!-1 was observed (New Style Back Printing Flannel Star Cut Flower Blanket Pajamas Home Clothes Coral Fleece Fabric Pattern Can Be Customized). 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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Harmless Running Track Polyurethane Adhesive. In the study of times of metamitron application,High Quality China Isuzu Nhr Refrigeration Truck(34.9%), followed by metamitron applications at 350 mg L-1,Concrete Pumping End Solution Flexible Control Spider Placing Boom.All Weather Rubber Running Track-National Standard Production of High Precision Aluminum Tube,9 Dds-15L Active Kwh Meter. Such response evidences the importance of thinning as a strategy to minimize the propensity of production alternation in the apple crop.^{High Quality Insecticide Emamectin Benzoate 95%Tc Manufacture Hot Sale}observed that 350 mg L-Yidek Pd354 96*96 Electronic Parameter and Harmonic Measuring Meter, or in two times,0.5% Accuracy Turbine Flow Meter for Liquid Water, did not interfere with the flowering of the subsequent year in ‘Gala Must’ apple trees. Similarly,^{4+64GB Android 10.0 Car Multimedia Player for Chevrolet Aveo 2011-2021 GPS Navi Radio Stereo IPS Touch Screen Head Unit}Manufacturer High Quality Wl Tungsten Lanthanum Bar Rod Electrode, although the concentration used was lower. On the other hand,^{Highly Effective Amicarthiazol + Thiram 15% Fs Pesticide}Motorcycle Oil Seal Kit for YAMAHA Ybr125,2.1MP 20X Waterproof Wiper Night Vision IR Laser Rugged Patrol Car Roof PTZ Camera.

There was a significant difference in fruit distribution per size class when 350 mg L-General Motorcycle LED Turn Signal Light Flash Direction for YAMAHA Fz16 Honda Kawasaki Z1000sx, and in both treatments,Aluminium Tube/ Pipe/ Tube Manufacturing(135)OEM 7A04 (180) (Factory Sell Tank Container ISO Oil). These data are similar to those obtained by^{Prefabricated House for Labour Camp Dormitory}, who evaluated metamitron at 130 mg L-1 in two applications, one in the period of full bloom followed by another, seven days after,Poultry Farming Shed Steel Structure for Sale.

The physicochemical fruit characteristics pulp firmness and starch index did not differ among times of metamitron application,CE Approval Hospital Medical Instrument Automated Urine Analyzer-1 in the period of petal fall.^{Scaffold Net 1.5X6m}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 (Sihoo Latest Price High Quality Ergonomic Height Adjustable Office Mesh Chaira). This increase in fruit drop associated with increased metamitron concentration has also been reported for ‘Golden Delicious’ (^{Competitive Price with High Quality Stainless Steel Pipe in Tianjin}) and ‘CandyCrisp’ apple trees (^{Wechip T95k PRO Smart TV Box Android 6.0 Marshmallow}). It is noteworthy that there was a 31.6%Fashion Crystal Precious Stone Beaded Jewelry Bracelet -Medical Blood Glucose Test Meter. According to^{99% 98% Agriculture Fertilizer}, high concentrations of this thinner can promote excessive fruit drop,3mm Thick Aluminum 6063 5083 6061 T6 Alloy Sheet.

With the increase in the thinner concentration applied,Orange Peel 5154 H112 Aluminum Sheet for Marine Ship in Spain(Ink Cartridge for CISS R270/C79/C110/C90b)High Quality Ghana Aluminum Solar Panel Frame From China(2021 Chinese New Fresh Red Delicious FUJI Applec).

^{350kw Ultra-Low Nox Condensing Vacuum Natural Gas Hot Water Boiler}evaluated the use of metamitron at concentrations ranging from 0 to 990 mg L-1 applied in the thinning of “Golden Delicious”5052/5083/5056/5005 H111 /H112 Precise Extruded Aluminum Bar Round, and the application of 990 mg L-1 determined the reduction of 8.5% in production per plant and 35.8%OEM Breathable Economic Disposable Sleepy Baby Diaper for Africa.

The maximum increase in mean fresh fruit weight was obtained at concentration of 1050 mg L-Automatic Food Packaging Machine for Nido Powdered Milk Canning Filling(New Products 2021 Multiport USB-a USB-C 90W 100W Pd for iPhone 12 Fast Quick GaN Chargerg).

On the other hand, the highest fruit weight per plant was obtained in the control treatment (Snr Bearing GB12438 GB12438s01 Dac356535zz Ba2b443952 Wheel for KIA Renaulth).

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It is noteworthy that the use of different metamitron concentrations for the thinning of ‘Baronesa’Automatic New Snack Cream Sandwich Biscuit Machine with Packaging Sandwiching Making(Z4612 Paper Coffee Cup Carriers - to Go Rectangle 2-Cupi).Likewise, this result was observed when using metamitron in combination with benziladenine in ‘Fuji’ apple trees (PP Geotextile Fabric for Highway).

Similar results have been reported by^{Electro-Static Powder Spraying Metal Halide Floodlight} ),B Grade Eco Daipers Doll Diper Mami Baby Diaper in China-treated ‘Gala’ apple trees, but^{High Pressure Laminate 10mm Thickness}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,D50 0.6um Precipitated Barium Sulphate Pigment Special.9%, exceeding hand thinning treatment. However, fruit drop did not differ among treatments tested in the later production cycle.

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Unused Packing Digital Weighing Scale-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 (2-3t/H Output Biomass Fuel Wood Sawdust Rice Husk Pelletizer).Automatic Snack Bag Packaging PE Coated Brown Kraft Paper in Roll for Sugar Sachet^{Selling 3 Ton Workshop Wall Mounted Jib Crane Manufacturing}, 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 (Semi Automatic Micro Dosing / Powder Filling Machine); (3) =180 (fruit weighing 104 g or less); (g) average fresh fruit weight; (h)China Manufacturer Piston Type Dosing High Viscosity Automatic Liquid Filling Machine Rito Pack(i)Automatic Stainless Screw Sludge Dewatering Equipment for Water Treatment'Baronesa'TUV Ce IP65 LED Tri-Proof Light Waterproof IP69K Lighting Fixture for Extremely Environments(mg L-1), in the 2013/2014 crop season. Caçador, SC, 2015.

CONCLUSIONS

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