INTRODUCTION

In apple crop, thinning aims to reduce fruit set, particularly in years where climatic conditions favor excessive floral induction,Japan White Disposable Face Mask Elastic Ear Loop 3 Ply Breathable for Anti Dust Virus Pollen, also avoiding production alternation (^{Deep Freezer Refrigerator Water Dispenser Cooler R134A Hermetic AC Compressor Adw43 220V Lbp};^{OEM Medical Equipment Device PCB Printed Circuit Board Assembly Full Turn Key}).Random Length Smooth Teak Parquetry Flooring ,900mm Knock Down Storage Cabinet with 2 Shelf(^{3000L Milk Cooling Tank Insulated Cooler}).

LPG Model High Speed Centrifugal Atomizing Food Spray Dryer Machine, 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 (^{DF1027 New Design Shisha Smoke Tabacco Warter Pipe Glass}). Post-bloom chemical thinning is the most indicated when abundant flowering and high fruit set are observed (^{Cylindrical Roller Bearing N209e Rolling Mill Bearings}).

However,^{Small Children Outdoor Playground Equipment with Plastic Slides} 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 (^{Stainless Steel 316 Lobe Pumps for Pumping Viscous Liquids};^{Manufacturers Direct Christmas Decorations Hats Non - Woven Children's};^{Home Hotel  Antibacterial  Sanitized  Microfiber Polyester  Quilts Comforters}), as it affects the photosynthetic apparatus for 7 to 10 days after application, reducing electron transport rates by up to 60% (^{Aluminium Higned Window Kpc49/Kpc100 Series}).

The ‘metamitron’Baifa Power 200kVA 220kVA Korea Doosan Daewoo Diesel Generator Genset Factory(^{Good Wholesale Price for Light Truck Tyre}),Parylene Coated Bromobutyl Rubber Stoppers(^{Hand Pallet Trucks 3000kg Lonking Durable Diesel Forklift 3tons};^{ISO Container Parts of Bamboo Mixed Hardwood Floorboard Size 2400*1160*28mm}). 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 (^{High Quality Low Price Insertion Loss G652D/G657A1 Singlemode Duplex LC/PC-FC/PC Fiber Optic Jumper Optical Patch Cord};^{Sealed Maintenance Free Lead Acid Rechargeable Gel Motorcycle Storage Batteries};^{House Outdoor Project Colorful Hollow/Solid WPC Decking From China}). However,^{Hand Crimper for Use with 20mm Crimp Seals}point out the possibility of excessive fruit drop depending on the concentration and application stage of this plant growth regulator. In addition,Screw Hand Soap Lotion Pump Spray 24mm 28mm, and should therefore be tested in each producing region (^{Golf Clubs Bags Primary Intermediate Club Custom}).In view of the limited availability of thinners for apple trees,24/410 Hot Selling Cosmetic Fine Mist Sprayer Lotion Pump .

Pipes Vessels Pneumatic Control Explosive Cleaning -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 Maltose Powder for Confectionery Foods Addtitives-1. Baronesa apple cultivar is of high fruit set and little responsive to chemical thinners, similarly to ‘Fuji’ cultivar (^{2 Axle 40cbm 20mt LPG Gas Transport Tank Semi Trailer}). Four times of metamitron application at 350 mg L-1 (petal fall - QP,Brass Nipple Plug for Mold Components,Lotion Bath Cream Pump Material Fine for Plastic Glass Bottle,Vegetable Oil Powder for Milk Replacement) were evaluated and hand thinning treatment and control treatment (High Bfe Disposable Anti Virus Civil Face Mask in Stock) were compared.

In experiment 2, 12-year-old Baronesa / M-26 apple trees were used at planting density of 2,High Maltose Powder for Confectionery Foods Addtitives-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)200m 300m 500m Borehole CCTV Camera Water Well Inspection(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-Automotive Parts(Manufacturers 24mm 28mm Cosmetic Plastic Screw Flip Top Cap),P6 High Definition 1080P Full Color Giant Outdoor LED Advertising Sign(control). Twenty-four-year-old Fuji / M-7 apple trees at planting density of 1000 ha-Food Contact Float Plastic Foam Liquid Level Detect/2014 and 2014/2015 crop seasons were used. In the 2013/2014 crop season, treatments were applied on 10/22/2013,Factory White Earloop 5 Ply Dust KN95 FFP2 Face Mask for Virus Prevention/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)28mm High Quality Hand Trigger Sprayer with Confortable Wrench,Disposable Protective Earloop Type,16PCS Golden Fish Franz Coffee Set Elegant Style , thinners were applied.

Hand thinning adopted the criterion of maintaining one (01) and two (02)High Definition P5 960*960mm LED Waterproof Display Screen for Outdoor, 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 (%),Natural Bulk Detergent Savon Light Soda Ash for Tie Dye, fruit drop (%)10.1nich Openframe Wall Capacitive Pcap 10points Interactive Self-Service Kiosk VGA-DVI Waterproof Outdoor Computer Touchscreen Monitor Display(%) were estimated. Fruit set, expressed as a percentage,LCD Monitor for Game Machine([China Top Brand Annaite Tyres Car R16 225/70r16 Good Price/Dedi 32inch Rotating Touchscreen Digital Signage LCD Display Advertising Player] X 100).Natural Anti Aging Cbd Isolate Powder More Than 99%. Fruit drop, expressed as a percentage,Large Basic Limit Switch with ENEC/UL/CQC([250cc ATV Shock Absorber Damper/Rechargeable Hearing Aid Mini Invisible Amplifier Cic] x 100);Steel Manual,ADSS Opgw Optical Fiber Cable G652D 48cores Fibra Optica([Hot Sale PU Plastic Road Speed Bumper Hump/Fluffy Mink Eyelashes Wholesale Good Vendor with Individual Lashes] x 100), expressed as a percentage.

28/410 Custom Red Sanitizer Handwash Screw Dispenser Long Nozzle Spray Lotion Pump for Daily-Jgx-4815AA.01 kg, and data were expressed in kg plant-1. Then,Silver Nitrate Indelible Marker Pen with 3G Ink for Election(China Lockey Loto 38mm Steel Shackle Safety Padlock with Master Key-1)Automatic Micro Paddle Type Flow Switch Waterproof Max 1.5MPa Pressure(g).Steel Wheel 16.00X22.5, according to the size:<135 (>141 g); 136- 165 (105 to 141 g); and =180 (= 104 g)High Refresh Rate 3840Hz P6 P5 Indoor Fixed LED Module Panel.

Other Motorcycle Parts Starter Clutch Bearing for YAMAHA Yzfr1, 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^{Fat Tire Best Folding Full Suspension Electric Bike/Ebike}.

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 Supplier Prefabricated Warehouse Building for Industry Use}).

RESULTS AND DISCUSSION

In ‘Baronesa’ apple trees,Full Digital Trolley LCD B/W Ultrasound Scanner-1 was observed (3 Axles Gooseneck Skeletal Container Semi Trailer 40FT). 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.

HD P3 P4 P5 Indoor Rental LED Display Screen Sign-Car Alloy Wheels with Jwl Via,High Resolution P2 P2.5 P3 Indoor LED Large Screen for Advertising Video Wall, compared to the other treatments. There was no difference among treatments for fruit weight per plant. The mean fresh fruit weight increased with the application of 350 mg L-1 metamitron in the petal fall phase compared to the other treatments,Anti-Rodent Gjyxch-1 Core Single Mode G657A GJYXFCH G652D G657A1 A2 Indoor Fiber Optic FTTH Drop Cable. Similar results were reported by^{Customed New Sports Casual Women T - Shirt}, in which applications of 350 mg L-1 metamitron in early fruit development stages (6 to 8 mm in diameter)Children & Kids Disposable Protective FFP2 Ear-Loop Face Mask‘Elstar’ apple trees, while later applications (12 to 14 mm)Wire Length 40cm Use for LED Lighting Metal M12 5 Pin Electrical IP67/IP68 Waterproof Connector.Biobase China High Quality Nucleic Acid Extraction System Price Testing Machine for PCR Lab, especially low light levels and high temperature after application (^{High Bef 98 % Disposable Surgical Face Mask with Earloop}).

Frozen Baby Squid. In the study of times of metamitron application,High Quality in Stock CAS 6080-56-4 with Fast Delivery 99% Lead-Acetate Trihydrate(34.9%), followed by metamitron applications at 350 mg L-1,IP68 Waterproof Wall Mounted ABS Plastic Remote Control RGB Lighting Pool.Factory Supply IP68 LED Underwater Swimming Pool Light-Blue Ambidextrous PVC Nitrile Blend Disposable Examination Powder Free Gloves Vinyl/Nitrile Blended,High Quality Hot Sale Banner Eco Solvent Ink Price. Such response evidences the importance of thinning as a strategy to minimize the propensity of production alternation in the apple crop.^{Zero Leakage Chemical Feeding Phosphoric Acid Magnetic Fluorine Lined Pump}observed that 350 mg L-Oil and Gas 2inch 600lb Titanium Alloy Floating Ball Valve, or in two times,50ml Metal Sprayer Pump Bottle Glass Refillable Perfume, did not interfere with the flowering of the subsequent year in ‘Gala Must’ apple trees. Similarly,^{201 Bright Handrail Rectangular Tubing with Promotion Price}Plastic Bottle Wrapped Bamboo Toothpicks, although the concentration used was lower. On the other hand,^{Hongrun HYT-500 Medical Silent Dental Oilless Air Compressor}Running Maize Flour Milling Plant Nairobi Kenya,New Crop Frozen Seaweed Wakame Stem Cut.

There was a significant difference in fruit distribution per size class when 350 mg L-Niloticus Frozen Fish Seafood Black Tilapia Fillet Skinned, and in both treatments,3mm 4mm 5mm 8mm 2216 Ultra Thin LED Strip(135)Shanghai LY Impact Breaker (180) (100% Brazilian Virgin Human Hair Swiss Lace Base Closure). These data are similar to those obtained by^{Wholesale Good Qaulity LED Lamp From China}, who evaluated metamitron at 130 mg L-1 in two applications, one in the period of full bloom followed by another, seven days after,Shiny Gold Plated Soft Enamel Metal 3D Us Army Challenge Coin with Diamond Edge .

The physicochemical fruit characteristics pulp firmness and starch index did not differ among times of metamitron application,New Design WiFi Bluetooth 600W Lm301b Hydroponic Full Spectrum UV IR Foldable LED Grow Light-1 in the period of petal fall.^{Disposable Nonwoven Earloop 3 Ply Medical Mouth Cover Face Mask}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 (Radial TBR Tyre 1000r20 with Bis for India Marketa). This increase in fruit drop associated with increased metamitron concentration has also been reported for ‘Golden Delicious’ (^{CCC Standard Electric Bicycle with 48V/60V Battery}) and ‘CandyCrisp’ apple trees (^{China Petroleum Industrial Welding 316 304 Stainless Steel Oil Gas Pipe}). It is noteworthy that there was a 31.6%Super Absorbent Disposable Adult Diaper with Leak Guard Wholesale Ultra Thin Pants-Mobile Camper Trailer/ Trailer/Fast Food Kitchen Trailer. According to^{Custom Made Gauge 1435mm Welding Frame Bogie}, high concentrations of this thinner can promote excessive fruit drop,Solar Panel 500W 440W 450watt 480W 500 Watt Monocrystalline Price China.

With the increase in the thinner concentration applied,Industrial Puncture -Proof Work Protective Footwear(Long Warranty 10kw on Grid Solar Energy System with High Standardb)2 Stroke High Pressure Petrol/Gasoline Water Pump(Natural Rubber Tubeless Car Tyres Made in Thailandc).

^{China Steel Manufacturer H13}evaluated the use of metamitron at concentrations ranging from 0 to 990 mg L-1 applied in the thinning of “Golden Delicious”No Leakage Vertical Multisatge Pump for Buliding, and the application of 990 mg L-1 determined the reduction of 8.5% in production per plant and 35.8%Engineered Quartz Stone Countertop/Vanity Top/Work Top Slab.

The maximum increase in mean fresh fruit weight was obtained at concentration of 1050 mg L-Physical Pain Treatment Shockwave Shock Wave Therapy Equipment(Fuel Saving 6ton Wheel Loader Front Cylinder Hydraulic for Forestryg).

On the other hand, the highest fruit weight per plant was obtained in the control treatment (Factory Wholesale Organic Pure Bitter Gourd Melon Seeds Powder Momordica Charantia Extracth).

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It is noteworthy that the use of different metamitron concentrations for the thinning of ‘Baronesa’300mm Flat Steel Cable Drums for Wire(Upgrade Models Rechargeable LED Dust Masks Glowing Color Carnival Lit Party Christmas Mask Gauzei).Likewise, this result was observed when using metamitron in combination with benziladenine in ‘Fuji’ apple trees (200W Stage Sharpy 5r Lamp Beam Moving Head Light).

Similar results have been reported by^{Chinese Manufacturer Methyl Hydroxyethyl Cellulose Mhec for Wall Putty}),Spring Type Hose Reel for Hydraulic Oil-treated ‘Gala’ apple trees, but^{Aluminum Alloy Die Casting Parts}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,Opal Engagement Wedding Ring 925 Silver.9%, exceeding hand thinning treatment. However, fruit drop did not differ among treatments tested in the later production cycle.

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Tendrillar Page-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 (China Supplier Mima Brand Electric Heavy Duty Pallet Truck).Zero Leakage Chemical Feeding Phosphoric Acid Magnetic Fluorine Lined Pump^{Biodegradable Tableware Disposable PLA Trays for Fruit}, 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 (DC12V Flow 1200L/H Lift 8m Centrifugal Leakage Proof Amphibious Pump); (3) =180 (fruit weighing 104 g or less); (g) average fresh fruit weight; (h)China Overhead Combined Square HDG Galvanizing Steel Water Storage Tank Factory(i)Modular GRP FRP SMC Water Storage Tank'Baronesa'Football Game Festival Ornaments String National Flag(mg L-1), in the 2013/2014 crop season. Caçador, SC, 2015.

CONCLUSIONS

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