Controlling transplant shock in lettuce NEW RESEARCH UNDERTAKEN BY APPLIED HORTICULTURAL RESEARCH SHOWS THAT DRENCHING LETTUCE SEEDLINGS WITH POTASSIUM NITRATE AT TRANSPLANTING CAN INCREASE YIELDS BY 20 PER CENT. Provide adequate spacing. How to avoid transplanting shock when transplanting lettuce and other plants. Nutritionally, Romaine has all … The increase in early growth resulted in larger lettuces at harvest in the first trial, although in a second trial, the effect was reduced at harvest maturity. Shout out to fish emulsion, which always moves the plants along at top growing speed. Continue reading on Haifa Group Separate trials were conducted in the field to evaluate methods for reducing transplant shock in lettuce seedlings. When it comes to reducing transplant shock of lettuce seedlings, Mr Goldwater suggests drenching with potassium nitrate, which can also increase early growth. This trial is seeking ways to overcome or prevent blindness in lettuce—increasing the Lettuce transplant root and shoot growth and development in relation to nitrogen, phosphorus, potassium, and water management Item Preview remove-circle Share or Embed This Item. Industry News Space or thin looseleaf varieties to 20-25cm (8-10″) apart. Fact sheets about Reducing transplant shock in lettuce and Management of blindness in lettuce seedlings can … How to Transplant Leggy Lettuce. Promote fast drying of spray residues. Adam Goldwater, of AHR, said the project tried to determine whether the incidence of blindness was correlated with factors such as temperature, humidity, water stress and crop nutrition. New research undertaken by applied horticultural research shows that drenching lettuce seedlings with potassium nitrate at transplanting can increase yields by 20 percent. Commercial growers employ what are called containerized and non-containerized transplant production. Avoid growing seedlings over 35 degrees Celsius, and if unavoidable, use misting to reduce leaf temperature. I had icebox watermelon, spring lettuce, chard, sun flowers, and basil in my future. Fact sheets about Reducing transplant shock in lettuce and Management of blindness in lettuce seedlings can be downloaded from the Soil Wealth website. Transplant young seedlings into 2"-3" containers when they have two true leaves and grow on until planted in the field. Smart tip about reducing transplant shock A study was conducted on young birch saplings that were transplanted and sugar water. On needled ever… “Attempts to induce blindness by irrigating with saline water, chlorinated water, as well as spraying with an insecticide known to cause burning, all induced blindness under hot, humid conditions,” Mr Goldwater said. Optimizing root growth is important since transplants with well-developed root systems recover more quickly from transplant shock (Weston and Zandstra, 1986), leading to earliness, improved head growth, and ultimately higher yields. Hi, Since you say you are about to start your lettuce, I imagine you are talking about seedlings? Follow Park Seed's step by step guide to caring for plants after transplanting. for both lettuce transplant root and shoot growth when floata tion irrigation is used are lacking. The name makes it sound worse than it actually is, but transplant shock is still something to watch out for whenever you are moving your plants from one container to another. Leaf scorchfirst appears as a yellowing or bronzing of tissue between the veinsor along the margins of leaves of deciduous plants (those that losetheir leaves in winter). Highly prevalent in New South Wales and Queensland during the summer months, blindness occurs when the main apical shoot or growing tip of the lettuce is lost during the seedling’s early growth. Applying nitrogen and potassium to seedlings as a potassium nitrate drench just before transplanting can help plants overcome transplant shock. Remember: the growing medium has a different physical structure to the soil into which the lettuce is transplanted. Tomatoes and peppers are worth trying next. Bare-root transplants can suffer more transplant shock than plugs, so start with “easy to transplant” crops, such as brassicas (cabbage, kale, collards, broccoli, Brussels sprouts, kohlrabi), lettuce, onions and leeks. Controlling multiple heading and transplant shock in lettuce. In fact, it's not too hard for a careful grower to raise tomatoes, lettuce, brassicas and cucurbits that show no signs of transplant shock after they are set out. Significant transplant shock can result in poor plant stands and a lower percentage cut of good quality lettuce. Stresses due to root damage, changed environment or water stress can all contribute to transplant shock, resulting in poor plant stands and a lower percentage cut of good-quality lettuce. Developing in the seedling phase, the condition is generally a problem for seedling propagators over summer. Find Transplanting Lettuce Seedlings stock video, 4k footage, and other HD footage from iStock. Home gardeners: Lettuce seed for transplants can be sown directly in a coldframe or hotbed, or they can be grown in plastic trays. Do not spray when plants are stressed under extremely hot conditions. Drenching with potassium nitrate increased leaf growth, particularly early in growth. I have successfully transplanted lettuce, but probably at lower temps. News & Media Stresses due to root damage, changed environment or water stress can all contribute to transplant shock, resulting in poor plant stands and a lower percentage cut of good-quality lettuce. Even perfect-looking pepper plants often just sit in the ground for two to three weeks before reestablishing vigorous growth. Sow seeds 5mm (¼â€) deep, or on the surface of the soil where the soil can be kept evenly moist.. Space or thin heading lettuce to 30cm (12″) apart. Transplant shock is really the sum of all the stresses plants experience during the move from flat to field. Transplant shock is a check in growth that can occur when seedlings are transplanted from the seedling tray into the field. 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