Five hard peach varieties suitable for Yangtze River valley
1. King of Qin. The average single fruit weight is 210 grams, the maximum fruit weight is 350 grams, and the fruit size is neat. The background color of the pericarp is yellowish red, and when ripe, 80% of the fruit surface is bright red, the appearance is gorgeous, and the fruit surface is less hairy. The fruit is round, in the suture line, the shape of the fruit is symmetrical, the top of the fruit is concave, and the stem depression is deep. The flesh is red and white with 75% redness. The pulp is particularly hard and indehiscent, with fine texture, strong anti-browning ability, 13.7% soluble solids, sweet and slightly sour taste, slightly aroma and excellent quality. Semi-detached nucleus, small nucleus, uncleaved nucleus, edible rate 94%. Chongqing sprouts in mid-February, blossoms in early March, fruit ripens in early July, and leaves fall in early December. Strong disease resistance, non-cracking fruit, especially resistant to storage and transportation, extremely high yield, dense planting garden (222plants / mu) the yield per mu can reach 2300 kg in the third year. This variety is fleshy, high-yielding, hard meat and resistant to storage and transportation. it is a rare medium-ripe hard-flesh peach variety.
2. Super sand red. The average weight of a single fruit is 260 grams, the maximum fruit weight is 420 grams, the fruit is neat, and 80% of the fruit noodles are 100% bright red at maturity. The fruit surface is hairy, the fruit is round, symmetrical, the suture is flat, the stem depression is shallow and narrow. The flesh is white, with 25% redness, hard pulp, fine flesh, 15.2% soluble solids, strong sweet, no sour taste, aroma and good quality. Sticky nucleus, non-cleavage nucleus, edible rate 92.3%. Chongqing sprouts in early February, blossoms in early March, and fruit ripens in early June. Non-dehiscent fruit, storage and transportation, extremely high yield. The yield of dense planting garden reached 2400 kg per mu in the third year. This variety has the advantages of early maturity, large fruit shape, excellent quality, hard meat, high yield and resistance to storage and transportation. it is an excellent early mature variety with large fruit shape.
3. The 21st century. The average weight of a single fruit is 240g, the maximum is more than 380g, the shape of the fruit is highly uniform, and 70% of the fruit is rose-red when ripe. The fruit surface is less hairy, the fruit is round, the suture is shallow, the fruit top is pointed, and the stem depression is shallow and narrow. The flesh is white and reddish, with 20% redness, extra hard pulp, fine quality, 15.7% soluble solids, strong sweet taste, no sour taste, slight fragrance and excellent quality. Semi-detached nucleus, small nucleus, no cleavage nucleus, edible rate 93.7%. Chongqing sprouts in mid-February, blossoms in early March, and fruit ripens in mid-late July. Tolerant to storage and transportation, high yield, dense planting garden (222plants / mu), the yield per mu reached 1900 kg in the third year.
4. Chengyang Daxian peach. The average weight of a single fruit is 330 grams, with a maximum of 510 grams. The fruit is neatly shaped and round, with 90% bright red when ripe. There are many hairs, good fruit shape symmetry, flat suture, flat fruit top and deep stem depression. The flesh is white, with 40% redness, hard pulp, fine quality, 13.6% soluble solids, sweet and slightly sour taste, good flavor, excellent quality, enucleation, small nucleus, no cleavage, and edible rate of 94%. Chongqing sprouts in mid-February, blossoms in early March and fruit ripens in early July. Strong disease resistance, non-cracking fruit, resistant to storage and transportation, high yield, dense planting garden (222plants / mu) yield 1800 kg per mu in the third year.
5. Ball peach. The average weight of a single fruit is 320g, and the maximum weight is 700g. The fruit is spherical and neatly shaped, with 60% bright red when ripe. The suture line is symmetrical, the fruit surface is hairy, the pulp is white, there is redness, the pulp is hard and crisp, the soluble solids are 15.6%, the taste is thick and sweet, no sour taste, fine quality, excellent quality, enucleated, small core, edible rate 93%. Chongqing sprouts in mid-February, blossoms in mid-March and fruit ripens in early July. Resistant to storage and transportation, extremely high yield, dense planting garden (222plants / mu) the third year yield per mu reached 2700 kg.
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Jujube is a multi-flowered tree species, the differentiation of flowers is very large, but due to the influence of tree body and environmental conditions, the phenomenon of flower and fruit drop is very serious, and the fruit harvest rate is generally only 1-2% of the number of flower buds. There are many reasons for jujube flower and fruit drop. First of all, from the phenological phase of jujube, we can see that the bud stage of jujube is in the period of rapid growth and exuberant growth of jujube, in which phenology overlaps and nutrition competition is very fierce. When entering the early flowering stage, the jujube head is still in the exuberant growth stage, at this time the jujube hanging growth slows down. Several organs of jujube at the same time
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