Beijing evening peach
Variety source: cultivated by Beijing Academy of Agricultural and Forestry Sciences.
Characteristics: the fruit is nearly round, with a single fruit weight of 230 g and a maximum of 350 g. Fruit apex round, suture shallow. The background of the pericarp is yellow and white, and the fruit surface is more than 1/2 purplish red. The flesh is white, hard solute, juicy, sweet, with a sugar content of 12-16%. Sticky core. Mature at the end of September. The tree is strong and half-open.
Cultivation points: pay attention to rational fertilization, management can be appropriate drought, pay attention to drainage.
Test and demonstration: the cultivated area in Pulandian area is 300 mu.
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A New High quality Middle and late ripening Peach Variety-- Laixuan No.1
The forest fruit worker in Laizhou City found a superior line from the seedlings of "Huanglu" and "Fenghuang" peach introduced by Taian, Shandong Province in 1987 (the two introduced varieties are yellow meat leaping, and this strain is white flesh peach, which has no variation with the original variety, which is discovered by accident). After several years of trial planting. It was found that the economic characters of its mother plant and progeny were stable and the quality was good. It was officially identified by Shandong crop Identification Committee on August 18, 1997, and was named Laixuan No.1. Experts agree that Laixuan No. 1 is one of the most mature peach varieties in the middle and late maturity.
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The morphology and harmfulness of jujube tortoise wax scale
Jujube tortoise wax scale belongs to Homoptera, Coccidae, also known as Japanese tortoise wax scale, jujube lice. The adult is reddish, 0.9 mm in length, black in compound eyes and whiplash-shaped antennae. The wings are white and transparent, with two main veins. The female worm is oval, similar to the tortoise shell; the egg is oval, yellowish at the initial stage, and purplish red at the later stage; the nymph is oval and reddish, and the nymph is spread by the wind in the early stage, and soon fixed on the leaves; pupa, only males pupate under the scale shell. The quilt pupa is oval. The insect is fixed on branches, leaves and fruits by nymphs and female adults to suck juice and expel it.
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