Our country is one of the original centres of pears in the world, where pears are highly adaptable, but production alone lags behind in countries such as the united states, france, japan, and europe and the united states of america. As science and technology develop, changes have taken place in the manner in which pear trees are grown, with the shift from chooctober to diagnosis, and the emergence of new, high-quality varieties and cultivation techniques. Good quality production of pear trees requires scientifically sound technologies for farmers ' friends。
Varieties selection
Our main master of the province has grown a very young breed, which is strong, has a straight tree, has a more open branch of fruit, has a strong budding, has a weak branch, and usually has one or two more long branches. The first results are early, usually two to three years after planting, and about five years into the figment. The pollen is large, productive and relatively stable, based on the results of short and short branches。
The species of pears is more adaptable, with moderate resistance to black spots and black stars. The plant is strong, has a semi-opened tree, has a strong bud and has a weak branch. The results began in 3-4 years, mainly with short- and long-haired branches, with more buds of medium- and long-haired branches and blisters, easier to form, strong balconies, some with 2-3 steps, and moderate and more productive border results。
Fortunately, water is cultivated in the country's southern pear-producing region and is one of the main export varieties in zhejiang province. More productive, booming in late february, blooming in mid-march, matured in early july and began to fall in late november. It is more adaptable, is resistant to black star disease, is resistant to black spots, is resistant to drought, is resistant to moderate wind and is an ideal type of flat-bed cultivation。
Acre sydney is one of our famous species of pears, mainly from guangwon city, sichuan. The four-year outcome of the product was 67 per cent, with an 85 per cent chronology rate, an average of 1. 32 fruit per chromology, a weak capacity for continuous results, with a continuous result of 5. 55 per cent, with the result that the branch could live for more than 10 years and be productive。
The rest of them are pear and goldwater one。
Cultivating a seedling
Cultivation of saplings and the production of high-quality saplings are important foundations for early results, early production, high productivity and steady production of new pear gardens. The quality of the trees has a direct impact on the survival rate and the growth, alignment, early and late outcomes, production and lifetime of the plants。
Standards for growing up. A one-year-old seedling is cultivated, 80 to 120 centimetres above the ground, the marriage interface is contained within 8 centimetres from the root neck, 5 centimetres thick from 0. 8 to 1. 2 centimetres thick at the interface, full of sprouts above 40 centimetres from the root neck, small slopes of the stalk, dry wrinkleless, unharmed, well-integrated, 2 years old. The subsurface roots of the saplings are evenly distributed, stretched, non-rolled, with more than five roots, each 20 cm long and larger。
