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4 > Image 4 of Kentucky fruit notes, vol. 2, No. 3, April 1943

Part of Kentucky Agricultural Experiment Station

seriously injured by scab, a spray in trees over winter and on the ground bl the green-tip stage is suggested. The is also strongly urged. The disease A cr pre-pink and pink sprays are gener- lives over for several years in these i of ally the most important in scab con- old dried mummied fruits. Disking, X ra trol. It isawell known saying among about blossom time, an orchard that `_ th apple men that scab has to be hit suffers from brown rot will help re- ` ar early and hard and that it has to be tard the disease by disturbing and = St controlled before the blossom period. covering many old mummies. { dt Cool, wet weather favors the early __ \< maturity and diseiharge of scab spores. ij fl` T is explains w y wet springs give - - Y ., i . 4 l? more scab trouble than dry springs. KENTUCKX RFATIL HORVI l' dt It takes 51 soaking gain to caluse CULTURAL MEETINU scab spore ischarge. wet sur ace .- , X _ ? is also required for the spores to germ- {tgiaiglgozll-;rsil`;.eSOf di inate and start a scab infection. Lime the Cong X Of A X_.CiXitu _ X S deirilr aj , ll sulphur has proved the best control Fc0nOmicEOi mg ignivellit U 1- if'? r' it for scab, but it should be applied be- dick COO Biotin W S if lrd 9 Min.- _ ,l fore infection starts. Surfaces that HidyKnruck gh Jgnuai lodge- A are well covered with sulphur resist A id? Q muy Oi- imcwyt d f, infection. Since growth is rapid in mwegs gttengcd and weeks 8 Ll] Q_ a early spring, several sprays are need- gba discussions S eakm, il? il tl ed to keep the expanding leaves and Ml, Herman Yo ri,1_Of Q, V5 uM tl fruit parts covered with a protective gill Mi. Frankprgtmet ' Mil W l coating. This is especially true Amiistroii Mi. Home Ci , i',X d' cl when rainy weather is just ahead of DI, L F gleine U S 5 A el edir5_ or present during blooming. In such P `Rilcher fmln Lelmi when r' seasons some growers go over their ' ` g _ trees every 5 to 7 days. In most The officers elected to guide, the o eases o good Spray Should give pio_ society through these trying wartimes ( tection for 6 to 8 days. Since rains were ML Harman YOPP Paducah. wash off some spray material as well Prasldanli Me Wm Eagcllbush as cause more spores to discharge BL}Ch1 Ml` Fred C lan HO0$ and furnish moisture for spore germi- Mmgoy Me C _R- MCOllOm Hclldcrj X nation, We can readily See why reins son,_V1ce Presidents; and Mr. W. \\. cause the apple men to Woii.y_ Geii_ Magill, Lexington. Secretary-Treas- erally, Sprays applied 2 io 3 days eitei. urer. All members receive free oi { l a rain, will control spores discharged ;hri?C;SF?3l0l xglll lll/Eeaglllai l by the rain. ` ,` _ Y0 l` l`_'Jl Also since scab is less active in dry ggnvlirggsereAu;ggggtg$i%OGr;e_Stno? i sprmgsi less Spraying is rleeded dur' Central rand Northern Kentugk * l ing a dry pre-bloom period. These growers mot at Loxm .- r gton during the l facts about scab, when understood, Farm and Home Week fm, an -mm_ { will help trgeheppre gr.Wer mgks e sive one-day discussion of proldlems. wrster use O rs Spray trme rm. ma` At both the above meetings the grow- - . terial. Also by knowing varieties, he ers Seemed aware of their mlm. realizes that Grimes Jonathan and i J problems and of the importance ol Paducah do not require as marry scab their work and showed determination sprays as Red Delicious and Winesap. in facing {he idiom- Control of Brown Rot Red lird, Charrlipion, J. H. Hale and FRUIT CROP OUTLOOK FOR Heat ling peac es are very subject _ . to brown rot. They, therefore, need 1943 AS OF MARCH 1 more brown rot sprays or dusts gen- The past winter gave us consider- erally than Elbertas. Some states able cold weather scattered all have found it very helpful to apply through the season, at intervals with- a spray of wettable sulphur to the out any general sub-zero tempera- Red Bird variety (or any other one tures. The near-zero temperature of seriously affected) in the pink bud mid-February killed some peach buds stage to help reduce the blossom in some locations but it appears gen- blight stage of this disease. The erally that most trees should have a destruction (outside the orchard) of fairly heavy blossom. This will give all dry mummied fruit hanging on the a good crop if they escape 1`rosts at 4