Grapes PZRb-7 - 3

Grapes PZRb-7 - 3

Dining hybrid form of grapes . The term maturation medium (130 - 140 days) . full maturity in g . Zaporozhye begins in early September atthe sum of active temperatures 2700 - 2800 ° C . Own-rooted plantings mainly poorly-tall . Annual shoots ripen well and satisfactory (55 - 65%) . Compatible with rootstocks and varieties of good . It is recommended to grow PZRb-7 - 3 in the graft culture on tall strong rootstocks: Berlandieri × Riparia Kober 5 BB . Riparia Berlandieri × SO 4,Krechunel-2 with a moderate load shoots of bushes (6 - 8 green shoots per square meter power), and removing the underdeveloped shoots . The clusters are very large, 650 - 900 g or more, conical, often winged sometimes branched, medium density or loose . With good care on stocks are bunches weighing over 1.5 kg . The berries are medium 22 × 19 mm, weight3.5 - 4 g slightly oval, amber-white in the sun amber-gold color . Flesh fleshy-juicy, the skin is thin, easily broken, covered with a waxy bloom moderate . Flower hermaphrodite . Seeds in a berry two- Three, there are immature seeds (vestiges) . In bad years there is shedding of flowers and berries degeneration . The yield on the bushespersists for a long time, in the autumn berries partially dry up and do not lose commercial properties . Sugar 19 - 22 g / 100 cm3, acidity 6 - 8 g / dm3 . fetal-60-bearing shoots - 75% . Number of bunches to which developed Escape 0.8 - 0.9: 1.3 in the fruitful - 1.6 . Fruitfulness coppice shoots and shoots developed from renal replacement high (40 - 45%) . PZRb-7 - 3 characterizedpotentially high, but much depends on the level of agricultural technology yield . When Forming plant shrubs prefer a moderate accumulation of long-term timber, small load eyes and green shoots . Pruning vines fruiting 6 - 8 holes Always timely holding green operations . General load on the bush 25- 30 holes (wreckage after 20 - 25 green shoots) under the scheme 2.5 - 3 × 1,25 - 1,5 m . Fruit vines, perennials sleeves and kidney successfully transferred in winter conditions g . Zaporozhye at absolute minimum (cold to -24 ° C) under a light film shelter . In this case, the death of holes is 30 - 35% . In the harsh winters without snow PZRb-7 - 3, as well as other inter-specieshybrids winters quite well . Resistance to mildew and botrytis average 3.0 - 3.5 points, to anthracnose, mildew insufficient. Requires preventive measures to protect against fungal diseases . a damaging spider mites and grape mites . GF suitable for sheltered or semi harbored culture . Without the shelter of bushes in the winter can begrow only in areas where the average of the absolute minimum temperature not lower than -19 ° C . Vintage used mainly for fresh consumption . Portability good .

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21	Frost	24

° C

650	Weight	900

Grams

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