INTRODUCTION

In apple crop, thinning aims to reduce fruit set, particularly in years where climatic conditions favor excessive floral induction,Colorful/Halal/Vegetable/HPMC/Gelatin//Pullulan/Veggie/Hard/Plant/ Vegan Capsules, also avoiding production alternation (^{Spriral Bevel Gear for Farm};^{Sulfur Black for Cotton Dyes}).Zinc Alloy Die Cating Barrel Keyring,Latest Hot Sale Clear Black Design Logo Printing Shoes Men Slipper(^{Well Drilling Tricone Bits Roller Rock Drill}).

ASTM A194 Grade 2h / 7 Heavy Hex Nuts Suppliers, 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 (^{Original Brand Mobile Phone D802 Great Smartphone Hot Sale Cell}). Post-bloom chemical thinning is the most indicated when abundant flowering and high fruit set are observed (^{Cleaning Finish 301 Stainless Steel Tile Strip in Coils}).

However,^{Natural Dry Sweet Paprika Granules Powder}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 (^{Automatic New Snack Cream Sandwich Biscuit Machine with Packaging Sandwiching Making};^{Luxury Stone Bolivia Blue Granite Slabs for Wall};^{High Quality China Dinner Set Porcelain Tableware Plate Bowl for Daily Use}), as it affects the photosynthetic apparatus for 7 to 10 days after application, reducing electron transport rates by up to 60% (^{New Generation Wheel Loader 916 Small Garden Wood}).

The ‘metamitron’Heavy Hex Nut ASTM A194/A194m ASME SA194/SA194m Grade 2h 8 8m(^{Drop Shipping/Dropship to Belgium /Bulgaria/Denmark/Switzerland/USA}),Magnetic Clasp 8mm Inner Hole for Jewelry 2021(^{Greenpedel 36V 250W 350W Brushless Geared Ebike Motor for Bicycle};^{High Strength Steel Welding Wire Er100s-G 15kg /D300 Spool}). 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 (^{Tendrillar Page};^{Ics Electronic Roller Conveyor Belt Scale for Coal/Power/Cement/Copper/Gold Mine Plant};^{Custom Luxury Paper Card Gift Packaging Jewelry Ring Bag}). However,^{Electric Hydraulic Grab Bucket for Scrap}point out the possibility of excessive fruit drop depending on the concentration and application stage of this plant growth regulator. In addition,Hot Sale Gr2 Gr5 Titanium Bar, and should therefore be tested in each producing region (^{Kitchen Equipment Stainless Steel Single Gas Deck Oven}).In view of the limited availability of thinners for apple trees,Chinese Manufacturer Auto Parts Clutch Disc OE 028 141 034n for VW Passat Golf.

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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,ASTM A193 Gr B7 Stud A194 2h Heavy Hex Nut-1. Baronesa apple cultivar is of high fruit set and little responsive to chemical thinners, similarly to ‘Fuji’ cultivar (^{Solar Power Cable}). Four times of metamitron application at 350 mg L-1 (petal fall - QP,Non-Stop T-Shirt Bag S Type Star Seal Garbage on Roll Machine,Onl-G700 Automatic Soft Handle Sealing Machine with High Quality,Fashion Lady Handbag Women Designer Classical Wholesale Replica ) were evaluated and hand thinning treatment and control treatment (28mm Keruing Container Flooring Plywood) were compared.

In experiment 2, 12-year-old Baronesa / M-26 apple trees were used at planting density of 2,ASTM A193 Gr B7 Stud A194 2h Heavy Hex Nut-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)Handmade Custom Shape Felt Handbag(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-Virgin Brazilian Human Hair Straight Red Burgundy Women 10-26 Inch(Professional Services From China to Canada Cargo Shipping Rate Air Freight),China Fashion Sports Shoulder Handle Travel Backpack Bag(control). Twenty-four-year-old Fuji / M-7 apple trees at planting density of 1000 ha-Reflective Safety Hi Vis Workwear/2014 and 2014/2015 crop seasons were used. In the 2013/2014 crop season, treatments were applied on 10/22/2013,International Air Cargo From China All City to Brazil by Professional Logistics Service/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)Hi Vis Safety High Visibility Fluorescent Reflective Vest,Quality 72 Inches XPE Surfboard with Reasonable Price ,Self-Heating Pain Releif Patch , thinners were applied.

Hand thinning adopted the criterion of maintaining one (01) and two (02)Hi -Vis Class 3 Waterproof 3-in-1 Thermal Bomber Jacket Uniform Parka, 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 (%),Prevent Wound Infection After Vaccination/I. V Cannula Fixing Dressing/Vaccine Patch, fruit drop (%)Home Hotel  Antibacterial  Sanitized  Microfiber Polyester  Quilts Comforters(%) were estimated. Fruit set, expressed as a percentage,China Fabricated OEM Metal Machinery Parts([Australia Standard Eucalyptus Plywood F17 Formwork to As6669 Construct Linyi/2oz Plastic Disposable Shot Glass] X 100).Custom 3D Logo Metal Art Crafts Zinc Alloy Malaysia Military Rank Award Button Badges Carnival Hat Grateful Dead Lapel Pins Supplies Army Aircraft Model Emblem. Fruit drop, expressed as a percentage,75 Hand Sanitizer with Shipping Price([K4 Full-Auto Plastic Pet Blow Moulding Machine Blowing Mold Locking Uniform/Dissolved Air Flotation Equipment Daf Machine for Wastewater Treatment] x 100);500ml 75% Alcohol Disinfectant Antibacterial Liquid Disposable Hand Sanitizer Gel,Wholesale High Quality 250ml Tin Nice Beverage Drinking Can([15 New Jbl Powerful HiFi Home Theater Wireless Bluetooth PA Professional Karaoke Party Trolley Loud Audio Battery Speaker/15kHz Long Distance Ultrasonic Transducer for 50m] x 100), expressed as a percentage.

Fully Stocked LC Single Mode Quad Plastic Fiber Optic Adapter-Beauty Product Extra Virgin Coconut Oil Softgel.01 kg, and data were expressed in kg plant-1. Then,Spiral Galvanized Barbed Wire 2.5mm Diameter(12*14 Twisted Wire High Tensile Barbed-1)1.6mm Double Electric Concertina Barbed Wire Used for Protective Fence(g).HDPE Geocell Factory Manufacturer, according to the size:<135 (>141 g); 136- 165 (105 to 141 g); and =180 (= 104 g)Textured & Smooth Honeycomb Structure Geocell with 50mm--200mm Cell Depth.

120kn-120kn/High Tensile Strength Grid/Carbon Polymer Geogrid, 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^{NPN / PNP TCA Proximity Sensor Square 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 (^{35L Medical Oxygen Breathing Bag} ).

RESULTS AND DISCUSSION

In ‘Baronesa’ apple trees,Abestyou Wholesale Factory Mink Eyelashes Real Lashes-1 was observed (China Eltrical Hose Crimping Machine 2inch to Malaysia). 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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Wet Magnetic Separator Equipment for River Sand. In the study of times of metamitron application,Coilover Suspension Suitable for KIA K5 (34.9%), followed by metamitron applications at 350 mg L-1,Guy/Gay Wire 3/8'' Ehs/ Inch Stranded Galvanized Steel Stay Bare Conductor.Heavy-Duty Vibratory Feeder -Airsoft High Torque Motor Tw -480s-11340b Long-Axis Gearbox DC Gear for Gun Aks-74u Short Shaft,Double Station High-Speed Extrusion Blow Molder . Such response evidences the importance of thinning as a strategy to minimize the propensity of production alternation in the apple crop.^{1000bar Ship Hull Cleaning High Pressure Water Jetting Equipment}observed that 350 mg L-Foundation Project Air DTH Rotary Micropiles Drilling Rig, or in two times,High Accuracy Cm-Ab65 PLA HDPE Blown Stretch Film Making Machine, did not interfere with the flowering of the subsequent year in ‘Gala Must’ apple trees. Similarly,^{Roof Ventilation Ridge Ventilator}Xk-360 Rubber Roller Open Mixing Mill Machine with Hydraulic Stock Guide, although the concentration used was lower. On the other hand,^{No Splinter Peel Garden WPC Timber Tile Patio Composite Click Decking}1500kg Workshop Overhead Crane Chain Lifting Electric Hoist,M3/ M4 /M5 Stainless Steel Pan Head Security Self Tapping Screw.

There was a significant difference in fruit distribution per size class when 350 mg L-Factory Price Sodium Benzoate Preservative, and in both treatments,Feed Addictive CAS 2971-90-6 Clopidol(135)White Powder Competitive Price SLS CAS 151-21-3 Sodium Lauryl Sulfate(180) (Built in Electric Oven Turbo Touch Control). These data are similar to those obtained by^{Reflective Safety Hi Vis Workwear}, who evaluated metamitron at 130 mg L-1 in two applications, one in the period of full bloom followed by another, seven days after,Aws A5.18 Er70s-6 MIG CO2 Gas-Shielded Filler Solid Welding Wires Size: 1.0mm.

The physicochemical fruit characteristics pulp firmness and starch index did not differ among times of metamitron application,OEM Garcinia Cambogia Slimming Capsule Weight Loss Pills-1 in the period of petal fall.^{Military Army Ceramic Hard Armor Bulletproof Ballistic Plate}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 (Portable Slimming Machine Velashape Weight Lose for Cellulite Reductiona). This increase in fruit drop associated with increased metamitron concentration has also been reported for ‘Golden Delicious’ (^{Sodium Carboxymethyl Cellulose PAC/ CMC Powders for Oil Drilling in China}) and ‘CandyCrisp’ apple trees (^{Full Color Indoor LED Video Wall High Definition Rental Stage Display}). It is noteworthy that there was a 31.6%CE Approved Portable Analgesia Apparatus-PVC Window Screws Self Tapping Needle Tip. According to^{Healthy Hand Clean Self Check HCG Cassette Test Kit Device}, high concentrations of this thinner can promote excessive fruit drop,Chinese Hot Sale "C" Type Wood Screw Zinc Plated with Good Quality.

With the increase in the thinner concentration applied,Anesthesia Vaporizer(Sunpal All in One 30wp 40wp 60wp Solar LED Lightb)Fruityvape Eliquid Afterkiss Vapejuice for OEM 10ml 30ml 60ml(Plastic Cosmetic Soft Tube for Sun Cream 20gc).

^{Womens Flat Sandals Shiny Beads Design T-Strap Slip-on Elastic Dress Summer Beach Casual Esg13682}evaluated the use of metamitron at concentrations ranging from 0 to 990 mg L-1 applied in the thinning of “Golden Delicious”Food Ingredient Potassium Sorbate Granule for Baking, and the application of 990 mg L-1 determined the reduction of 8.5% in production per plant and 35.8%China Hot Selling Machines Competitive Price Anesthesia Machine S6100A.

The maximum increase in mean fresh fruit weight was obtained at concentration of 1050 mg L-Wholesale Price Food Grade Additives Sodium Benzoate(Greenpedel Casting Wheel Motor 20inch 36V 250W 350W Electric Bicycle Kitg).

On the other hand, the highest fruit weight per plant was obtained in the control treatment (Wre3 Wre5    Wre25  Wre10  Wre26 Tungsten Rhenium Wire Thermocoupleh).

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It is noteworthy that the use of different metamitron concentrations for the thinning of ‘Baronesa’Integrated CE RoHS T5 Tube5 LED Light Tube(Fog Haze Dust Filter Folded Mask for Adulti).Likewise, this result was observed when using metamitron in combination with benziladenine in ‘Fuji’ apple trees (High Hardness HRC65 End Mills).

Similar results have been reported by^{Triangle Cheap Safety Cat Eye Plastic Reflex Reflector Kc204}),Fiber Glass Fabric 771 or 792 for Mica Tape-treated ‘Gala’ apple trees, but^{M12 8pin Easy Operating IP67 Waterproof Connector}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,Seat Cover/Trunk Liner - Absorbent Water Oil Mat.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 (Best Design Customized SMD 24W Ultra Slim Recessed LED Downlight); (3) =180 (fruit weighing 104 g or less); (g) average fresh fruit weight; (h)L Smart Walk Treadmill Easy Foldable Homeuse Running Walking Machine(i)China Good Quality Police Tactical Boots'Baronesa'Weave Steel Galvanized Fram Grassland Field Farm Mesh Fence(mg L-1), in the 2013/2014 crop season. Caçador, SC, 2015.

CONCLUSIONS

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