Inner Mongolia apple seedling apple seedlings _ _ Tai'an Blue horticultural field Feng Certified

In addition to hereditary varieties, the fruit sugar content is the main factor affecting apple anthocyanin formation. Anthocyanins are pigments original form when strong pentose breathing; other anthocyanins also often combined with sugar to form anthocyanins present in the fruit. Thus, closely related to the development of anthocyanin and sugar content. Any affect glucose synthesis and accumulation of factors that affect the development of anthocyanin. Higher nutritional level of the tree, reasonable load, a suitable proportion of phosphorus and potassium and nitrogen, proper control of water are conducive to the development of the fruit red. Effect of temperature on coloration are also related to the accumulation of sugar. In late apple varieties at night temperature above 20 ℃, it is not conducive to coloring. Fruit firmness is also an important indicator of the quality of the fruit, flesh firmness not only affect the taste when fresh taste, are also associated with fruit storage and processing traits. Closely related to hardness and cell wall cellulose content of apple pulp, pectin layer within the cell wall material and the type and quantity of pulp cell turgor pressure and the like. How to improve the survival rate of seedlings planted apple seedlings: Spring planting seedlings apple seedlings to look at the situation, apple seedling loss if circumstances should at indoor clean water a day and night, so that the full absorption apple seedlings after planting. Planting time is generally 5-10 days before the local early flowering apricot is appropriate, when planting should be standardized to achieve if they had to make the trip. Planting depth, usually apple seedling root collar trace level with the ground prevail. The interface should be on the windward side, to stretch roots and earth, practical, irrigation, water seepage and then seal the pit to facilitate water retention. Seedlings given dry: apple seedlings planted in a timely manner after its stem. Apple mostly dry tree with a central leadership, given the requirements of 70-80 cm dry. Under notches 20 cm plastic band full of buds to leave aside the election with the main branch.