Ruipan 21, a New Flat Peach Variety
Ruili 21, a new very late ripening white flesh flat peach variety bred by the Forestry Fruit Tree Research Institute of Beijing Academy of Agriculture and Forestry, was approved in Beijing not long ago.
All kinds of fruit branches of this variety can bear fruit, mainly long and medium fruit branches, and the natural fruit setting rate is high. The fruit development period is about 166 days, and the annual growth period is about 208 days. The fruit is large, with an average single fruit weight of 235.6 grams and a maximum fruit weight of 294g. The pericarp is medium thick and difficult to peel off. The flesh is yellow and white, there is no red silk under the skin, and red near the nucleus. The meat is hard solute, juicy, less fiber, sweet and hard. The nucleus is smaller and the fresh nucleus weighs 7.5 grams. Pyrenes brown, flattened, sticky. The yield per mu reached 1994 kg in the third year and 2195 kg per mu in the fourth year.
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Management technology of pollution-free pear mature orchard
February to March-budding and flowering period 1. Applying budding fertilizer: before budding in the middle and late February, 1000 kg of decomposed farm organic fertilizer and quick-acting multi-element compound fertilizer mainly composed of nitrogen, phosphorus and potassium were applied per mu to improve the quality of pear trees. The application amount of nitrogen, phosphorus and potassium accounted for 35%, 30% and 15% of the annual application amount respectively. In addition, 1.5% borax was added to the total amount to improve the quality of flowers. 2. Irrigation: timely irrigation of water before and after flowering to promote germination, flowering neat. 3. Fruit and flower protection: (
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The first-class improved variety of kernel apricot:. Dragon King Hat
At present, among the main varieties of kernel apricot produced in China, there is only one variety of Dragon King Hat, which is called "Dragon Emperor Big Almond" in the world. The fruit is flat and round, with an average weight of 18 grams and a maximum of 24 grams, with orange peel and thin pulp. The nucleation rate is 17.5%, and the dry nuclear weight is 2.3 grams. The kernel rate is 37.6%, the average weight of dried kernel is 0.8-0.84 grams, the kernel is flat and hypertrophic, the base is conical, the kernel skin is brown, the kernel meat is milky white, fragrant and crisp, and slightly bitter. 5-
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