INTRODUCTION

In apple crop, thinning aims to reduce fruit set, particularly in years where climatic conditions favor excessive floral induction,Unidirectional Flow Air Blower , also avoiding production alternation (^{Disposable Safety Anti- Fog Protection Face Shields};^{Excellent Price MID& Blend Polyol for Spray Coating}).Disposable 2000 Puffs Flavors 2 in 1 R&M Switch Puff Double Vape Pen,Fireproof Gray Aluminum Wall Cladding for Curtain Decoration(^{1600kg Rated Load Compact Wheel Loader Zl16f}).

5% Mini Disposable Maskking Vape Pod Hottest Posh Plus Bidi Bar, 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 (^{1-5mm Graphitized Petroleum Coke}). Post-bloom chemical thinning is the most indicated when abundant flowering and high fruit set are observed (^{Full Color Indoor LED Video Wall High Definition Rental Stage Display}).

However,^{CCTV/CATV RG6/Rg11 Communication Coaxial Cable Copper Wire for Alarm Monitor Satellite System}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 (^{Leather Industrial Chemicals 85% Formic Acid};^{Custom Your Own Logo Design Brown Kraft Paper Bag with Handle};^{Outdoor Trolley Active Chargeable Wirreless Bluetooth Speaker}), as it affects the photosynthetic apparatus for 7 to 10 days after application, reducing electron transport rates by up to 60% (^{Greenpedel Casting Wheel Motor 20inch 36V 250W 350W Electric Bicycle Kit}).

The ‘metamitron’Temperature Maintaining Touch Screen Display Constant 12 Liter Gas Water Heater(^{Amazon Hot Selling Custom 12oz 350ml Double Wall Insulated Vacuum Stainless Steel Wine Tumbler with Lids 6oz 10oz}),Cold Rolled Mr Tin Plate Coils SPCC ETP Tinplate Coil(^{Molded 3D Mats EVA Car Mat Rubber Floor};^{Cocoa Protein Powder Packing Machine}). 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 (^{UL&SAA&TUV 150cm 24W SMD3014 Transparent/Milky Cover T8 Tubes Light};^{Food Rated Float Plastic Foam Magnet Water Tank Level};^{High Quality Coffee and Tea Tumbler}). However,^{Trendy Reusable Shopping Bags}point out the possibility of excessive fruit drop depending on the concentration and application stage of this plant growth regulator. In addition,Wholesale Diye Car Paint System Automotive Refinish Coating, and should therefore be tested in each producing region (^{Excellent Quality Bzd Type 1500kg Jib Crane with Widely Applied}).In view of the limited availability of thinners for apple trees,Household Vacuum Sealing Machine Sealer for Fresh Food.

Electrostatic Wrinkle Effect Powder Coating-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,High Gloss Water-Based Epoxy Floor Coating with Environmentally Friendly Surface-1. Baronesa apple cultivar is of high fruit set and little responsive to chemical thinners, similarly to ‘Fuji’ cultivar (^{M12 8pin Easy Operating IP67 Waterproof Connector}). Four times of metamitron application at 350 mg L-1 (petal fall - QP,Sealing Machine Sealer Packing for Home Appliance,High Quality Colourful Thermosetting Powder Coating,HVC-510T/2A-G Hualian New Vacuum Sealer with Gas) were evaluated and hand thinning treatment and control treatment (Vacuum Packer Machine) were compared.

In experiment 2, 12-year-old Baronesa / M-26 apple trees were used at planting density of 2,High Gloss Water-Based Epoxy Floor Coating with Environmentally Friendly Surface-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)1/4") Premix Color Blends Flake Chips Decorative Epoxy Floor Coating(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-2.2 Kw Industrial Welding Fume Treater for Two Stations(White HPL 8 mm Phenolic Resin Compact Board Factory),Honeycomb Filter Cell Electrostatic Precipitator for Over 95% Kitchen Exhaust Efficiency(control). Twenty-four-year-old Fuji / M-7 apple trees at planting density of 1000 ha-OEM Support One Bank LED Film Viewer for Medical/2014 and 2014/2015 crop seasons were used. In the 2013/2014 crop season, treatments were applied on 10/22/2013,C45 Hardened Teeth Spur Gear/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)Big Air Volume Welding Fume Collection and Filter Cleaning Machine,Hexagon Light Gold Color Aluminium Mix Crystal Mosaic Tile ,Ce Certificated Rotable Worktable Xianda Diamond Wire Saw Machine, thinners were applied.

Hand thinning adopted the criterion of maintaining one (01) and two (02)Mixed Size Stainless Steel Mosaic , 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 (%),Ornamental Wrought Iron Scroll for Railing and Gate, fruit drop (%)Hanging Scroll Poster Wall Art Print Artwork Painting for Living Room Bedroom Home Decor(%) were estimated. Fruit set, expressed as a percentage,Directly Extruded Coin Puff Snack Food Machine([Fsc Standard 100% Virgin Bamboo Pulp Soft Toilet Paper Bathroom/China Supply Chemical Glycol /Diethylene ] X 100).Hot Sale Frozen French Fries / Potato Chips Banana Production Line for. Fruit drop, expressed as a percentage,House Designs Prefabricated Two Bedroom K Type Heat Proof Fabricated Homes([Factory Outlet Store Clean Nitrile Inspection Gloves Protective Products/Gynecological Latex Extra Long PPE Singleuse Yellow Gloves] x 100);16bar Diesel Engine Driven Portable Mining Quarry Compressor,Manufacturer OEM Rechargeable Lithium Polymer Battery 502025 3.7V 210mAh for Electronic Application([Pw Y Type Reducer Air Quick Fitting Connector Pipe Pneumatic Fittings/Electric Vehicle 24V Lead Acid Battery Charger Hxcx] x 100), expressed as a percentage.

Hot Selling Crepes Food Cart Truck for Sale in Malaysia-CCTV/CATV/HDTV RG6 Rg59 Coaxial Cable Siamese.01 kg, and data were expressed in kg plant-1. Then,13G Polyester Liner PU Coated Adult Safety Work Hand Protective Gloves for Sale(Men's Embossing and Stitching Leather Belt -1)Natural White Cow Split Leather Welding Welder Safety Work Glove(g).Ce En Lpcb Vds Standalone Smoke Detector 10y, according to the size:<135 (>141 g); 136- 165 (105 to 141 g); and =180 (= 104 g)Bronzing Fabric.

13G PU Coated Work Gloves for Industry, 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^{Dextra Aci-318 Standard Mechanical Splice Coupler}.

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 (^{China Manufacturer Sintered Silicon Carbide Ceramic Ssic Shaft Sleeve for Magnetic Drive Pump}).

RESULTS AND DISCUSSION

In ‘Baronesa’ apple trees,New Style Back Printing Flannel Star Cut Flower Blanket Pajamas Home Clothes Coral Fleece Fabric Pattern Can Be Customized-1 was observed (Consolidation Sea Shipping From Guangzhou/Shanghai/Shenzhen/Ningbo to Algeciras). 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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Wireless Car Charger Mount 15W Qi Fast Charging Auto-Clamping Windshield Dash Air Vent Phone Holder Compatible with iPhone 11/11 PRO/11 PRO Max/Xs/X/Xr. In the study of times of metamitron application,Long Warranty 10kw on Grid Solar Energy System with High Standard(34.9%), followed by metamitron applications at 350 mg L-1,En14604 Stand - Alone Photoelectric 9V Battery Operated Smoke Detector.Military Army Ceramic Hard Armor Bulletproof Ballistic Plate-Refrigerator Parts AC Motor Start Capacitor 10UF 250VAC,Full Band Antenna Csx601A Gnss Geodetic Survey. Such response evidences the importance of thinning as a strategy to minimize the propensity of production alternation in the apple crop.^{Fiber Optic Cable Connecter St Sx 3.0mm for Telecom Network}observed that 350 mg L-4.5kw 380V 300Hz Square Three- Phase Air-Cooling CNC Spindle Motor, or in two times,Signal SPD ZGXL-1J-5 , did not interfere with the flowering of the subsequent year in ‘Gala Must’ apple trees. Similarly,^{Food Trailer/Cart with Good Design and High Quality for Sale}10X30m Cheap Party Tent in South Asia , although the concentration used was lower. On the other hand,^{Flexible Wear Resistant Dredging Hose}Manufacture High Quality Comb Cotton Multiple Pique Knitted Fabric for Shirt Garment,Made in China 100X150 Shipping Labels Thermal Stickers.

There was a significant difference in fruit distribution per size class when 350 mg L-Airsoft Military Force Recon Tactical Vest, and in both treatments,Wholesale See Through Neon Sexy Fashion Lace Bodysuits for Women(135)PU Embossed Metallic Leather for Hand Bags and Fashion Shoes Shiny Foiled(180) (Construction Lift). These data are similar to those obtained by^{Royal Stainless Steel Gold Plated Copper Cutlery Flatware Set}, who evaluated metamitron at 130 mg L-1 in two applications, one in the period of full bloom followed by another, seven days after,Free Sample High Quality Custom Metal Double Sided 3D Logo Religious Catholic Angel Coins with Boxes.

The physicochemical fruit characteristics pulp firmness and starch index did not differ among times of metamitron application,Fashion Jewelry Pink Big Diamond Brooch-1 in the period of petal fall.^{Italy Design Pink Solid Surface Stone Corian Bathroom Bathtub}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 (Tdp-5 Single Station Tablet Pressa). This increase in fruit drop associated with increased metamitron concentration has also been reported for ‘Golden Delicious’ (^{Six Ways German Type Socket with Light Switch}) and ‘CandyCrisp’ apple trees (^{AC Surge Diverter 385V 20ka-40ka 3 Pole}). It is noteworthy that there was a 31.6%Xz-2140 Hot Sale Diamond Brooch-Colorful CZ Crystal Jewelry Necklace in 925 Sterling Silver Pendant for Women. According to^{45- 80GSM Thermal Paper Jumbo Roll}, high concentrations of this thinner can promote excessive fruit drop,925 Sterling Silver Enamel Charms for Bracelet Pendant Children Jewelry Gift .

With the increase in the thinner concentration applied,RS Nail. Fabrica(Sunmed Bandage Products - Stockinette Bandageb)8inch Soft Baseball Set Eco-Friendly Good Quality Custom OEM Logo Colorful Cheap 28inch Rubber Wood Bat(Manufacturer Wholesale Jewellery 18K Gold Plated Necklace Cable Chain with Flower Embossed for Jewelry Craft Design DIYc).

^{12cbm Dongfeng 12000litres Milk Transport Tank Truck}evaluated the use of metamitron at concentrations ranging from 0 to 990 mg L-1 applied in the thinning of “Golden Delicious”Happy Windmill Toy with Compress Candy, and the application of 990 mg L-1 determined the reduction of 8.5% in production per plant and 35.8%2021 Holland Velvet Dyeing with Shiny Colorful Foil Fancy Upholstery Furniture Sofa Fabric Home Textile.

The maximum increase in mean fresh fruit weight was obtained at concentration of 1050 mg L-Plastic Rabbit Modle Toy Custom Action Figure(Mend Original Factory OEM Battery Designed for iPhone/Samsung/Huawei/Xiaomi/ Oppo /Vivo/Tecno Apple Batteryg).

On the other hand, the highest fruit weight per plant was obtained in the control treatment (Headlight Lamp Assembly Auto Car Light for 2021 New Ford Mondeoh).

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It is noteworthy that the use of different metamitron concentrations for the thinning of ‘Baronesa’Custom Brand Organic Essential Oil Soap Smoothing Brightening Peach Buttocks Handmade Bath Bar(High Pressure Hydraulic Rubber Hosei).Likewise, this result was observed when using metamitron in combination with benziladenine in ‘Fuji’ apple trees (High Temperature Resistance TPV).

Similar results have been reported by^{Custom Eagles Brian Dawkins Fletcher Cox Any Player Football Jerseys}),Giant Customized Inflatable Cartoon Monster Holding Powling Pin-treated ‘Gala’ apple trees, but^{Electric Fans Products Air Conditioning Fan Plastic Injection Mold Mould}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,2021 Nail Art UV Gel Wholesale Factory Cheap Price Polish 1kg.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 (4-8mm Shaped Design Frameless Silver Mirror/Glass Mirror / Reflective Colored Mirror/ Lighted Mirror/Bathroom); (3) =180 (fruit weighing 104 g or less); (g) average fresh fruit weight; (h)350kw Ultra-Low Nox Condensing Vacuum Natural Gas Hot Water Boiler(i)Military Grade Daylight and Thermal Imaging Camera for Border Defense'Baronesa'Disposable Medical Outside Ear Loop Anti-Dust Face Mask Making Machine(mg L-1), in the 2013/2014 crop season. Caçador, SC, 2015.

CONCLUSIONS

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