How to produce new plants from a parent plant |Rootstock Propagation By Dimps Panjta Ji | скачать в хорошем качестве

How to produce new plants from a parent plant |Rootstock Propagation By Dimps Panjta Ji |

How Are Apple Tree Rootstocks Propagated? Special Thanks to Dimps Panta ji Apple trees with desirable characteristics, such as a particularly tasty fruit, are often grafted onto hardy, disease-resistant rootstock from another variety to produce an overall sturdy and highly productive tree. The rootstocks themselves are propagated by cloning techniques to preserve these desirable characteristics. Not all rootstocks are easily propagated by the same method, so at least four methods of propagating rootstock are used. Historically, the most common methods have been mound layering and trench layering. Hardwood cutting and micropropagation methods have been developed within the last 50 years to help propagate rootstocks that do not perform well with the older methods and to increase the rate of rootstock production. Mound Layering:- Also known as "stooling," one-year-old rootstock is cut back to near-ground level while dormant so that new growth will sprout during the growing season. After the rootstock has sprouted shoots that are several inches long, a mound of soil is piled around the rootstock several inches higher than the base of the new shoots. By early winter, these new shoots will have produced roots of their own. The soil mound is then removed, the rooted shoots are cut and the cuttings are planted immediately to become the next rootstock. Trench Layering:- In trench layering, or dropping, the soil is layered over the entire rootstock tree. The central leader and branches are bent down and secured into a trench that is dug beneath the tree. Soil then covers the entire stock tree. During the growing season, new leaders will sprout from buds on the branches and break through the soil. When the soil is removed in early winter, these new shoots will have roots at the base which become the new rootstock. The new rootstock is cut and planted immediately. This isn't done with a tree has had a different variety grafted to it already because the roots formed by the top part would be from the grafted portion, rather than the rootstock. Hardwood Cutting:- Hardwood cutting was developed to propagate more rootstock at a faster rate than layering methods. The entire one-year-old rootstock sapling is cut into 8-inch segments. The base of each segment is treated with a dilute solution of indol-3-butyric acid, or IBA, and auxin in water to accelerate root formation, then stored in peat moss for up to three weeks before planting. These treatments can provide a more uniform root system than layering methods. Micropropagation:- Micropropagation, or in-vitro plant tissue culture, has only recently become economically competitive with other propagation methods. It is used year-round in controlled, pathogen-free environments and rapidly propagates rootstock for large-scale commercial production. Actively growing shoot tips are cleaned and placed in a defined culture medium where they elongate into a small stem and begin to produce new shoots. These new shoots are removed and placed in their own container of media to continue the rapid proliferation of rootstock. fertilizer us rootstocks, us apple varieties, cribbs apple Mobile app, new Features, new technologies, mobile website, Live #HIMALAYANFARMING