A New Variety of Jupan Peach-early Jujuan and late Giant Peach
First, the early fruit of this variety is high-yielding, one-year-old seedlings grow quickly, the fruiting rate in the second year is 100%, the fruit setting rate is very high, the fruit is thick disc-shaped, with an average of 150 grams, the maximum is 350 grams, and the ripening consequences are smooth, hairless, easy to color, and bright red extremely beautiful, white pulp, hard and brittle fine, sweet and fragrant, round kernel, extremely small, edible rate up to 98.3%. Zaojugu ripens early, the fruit growth period is 95 days, the open field planting can mature at the end of June, and the greenhouse planting can mature before May 1. This variety is resistant to disease and does not crack fruit, so it is most suitable for dwarfing and dense planting or greenhouse cultivation.
Second, the variety has strong early fruit, and the annual fast-growing seedlings can bear fruit in the second year. The fruit is thick disc-shaped, the fruit shape is huge and spectacular, the average is 245g, the maximum is 600g, the mature fruit is rich red and bright, the pulp is white, delicate and crisp, sweet, the stone is very small, and the edible rate is 985%. The variety ripens very late, the fruit development period is 200 days, and the fruit matures in southern Shandong on October 15. The fruit setting rate of this variety is very high. The yield is high and stable, and the late ripening fruit is large. The huge market potential of late giant potato, coupled with fresh-keeping and storage and other measures, will bring amazing benefits to fruit farmers.
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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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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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