Amygdalus laishanensis
Main shape
Laishan peach is derived from the bud of a single plant. The fruit is round and slightly high, the top of the fruit is round, 300tel 700g, the sun face is bright red, the background color is milky yellow, the flesh is milky white, the soluble solids content is 16%, sweet and succulent, the edible rate is 96%, the tree is strong, the branch opens, the germination rate is lower than the general variety, the branch forming ability is strong, the germination rate of the secondary branch is low, the first fruiting tree is mainly long and important branches, the adult trees are mainly medium and long fruit branches, the short fruit branches and flower-like fruit branches are less, and the pollen is more. The self-flowering fruit setting rate is extremely high, flowering in April before the beginning of May, ripening in late September, resistant to storage and transportation, and can be stored for 10-15 days.
Key points of cultivation techniques
The planting density is 3 × 4 meters in happy shape and 3 meters in trunk shape. The peach bears a large amount of fruit, and the backbone branches at all levels are easy to droop. Attention should be paid to raising the branch position when pruning, and the upper dorsal branches should be kept in a planned way for renewal. Strict thinning of the fruit does not leave the first fruit.
At the end of autumn, sufficient organic fertilizer was applied, and the ratio of chemical fertilizer, nitrogen, phosphorus and potassium was 10.5 / 0.5 / 1.6 during sprouting, hardcore and fruit expansion.
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Key points of Management of Pear Orchard in Autumn and Winter
Autumn and winter is an important period of dormancy for fallen leaves of pear trees, so strengthen the management of pear orchards in autumn and winter. It is beneficial to the growth, flowering and fruiting of pear trees in the following year. First, rational fertilization before the end of November, the pear orchard should be deeply applied autumn fertilizer, the amount of fertilizer should account for more than 30% of the total amount of fertilizer, mainly mature oil cake fertilizer, residue fertilizer, compost and human and animal manure and other organic fertilizer. The method is as follows: at the crown dripping line of the adult pear tree, dig 1-2 annular fertilization nests of about 60 cm in length and 25 cm in depth and width, and each mature human, livestock and poultry
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Peach variety: Huiyu dew
The Institute of Horticulture of Jiangsu Academy of Agricultural Sciences was bred by the cross of Chaohui × Yuhua dew. The original code is 81Mui 8Mui 83, which was named in 1994. The fruit is round; the average weight of a single fruit is 110 grams, and the maximum fruit weight is 174 grams; the pericarp is milky yellow, with rose halo on the face; the pulp is milky white, soft and juicy, with sweet flavor and aroma; and the soluble solids are 11.1%. Sticky core. The fruit matured about June 10 in Nanjing area, and the fruit development period was 70 days. This variety has the advantages of early fruit, high yield, wide adaptability and easy cultivation.
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