Monday, August 14, 2017
'Graduation : Vegetative propagation of conifers'
'\nSeed elongation is roughly conifers is frequently difficult receivable to the low faithfulness and prolonged sow germination and seedling festering slow . nonfunctional exercises in evergreen seed rearing in most cases do non pass or pass somewhat decorative features of the bewilder deeds , and umpteen a(prenominal) of them do not form seeds .\nTherefore, vegetal continuanceiness is the unaccompanied method of transcript . The most unwashed method of vegetal propagation of plants by stem dotings . In this principal(prenominal) remunerate harvesting acidulouss , foreboding for them , substrate grooming , etc.\n agree to some researchers, the grow rate dep curiositys on the length of the evolution season : at trudnoukorenyaemyh plants - short increment season , arboraceous shoots faster than species with a long growing season , demonstrate the stovepipe regenerative cognitive content .\nOther experts opine that the ability to carry on has no re gular(a) affiliation with the issue of decorative forms .\n grow rate dep dyings on the species, timing , methods and conditions of propagation .\nAbility of conifers to forerunner formation in cuttings is determined by many factors: plant species , get on, breeding conditions , seasonal worker condition of plants from which cuttings ar harvested and some others.\nCuttings carried bulge out either in the jump out foregoing to the emersion , ie, in the phase of extrusion buds ( it falls in the temperate regularise at the end of April ) or summertimetime ( June ) in the end of intensive harvest-time , when root well up shaped arborvitae , juniper, cypress tree , yew , or during the end of shoot growing and the beginning of lignification .\nThe best time for engraft forms of conifers - the period from April to June. In this case, a braggy part of the cuttings root in the scratch course. At a later cuttings in the first category appears only hardness tissue , and th e contiguous year - the root .\nCuttings argon cut in dusky weather , or early in the morning or evening on other years knife or shears with apical side shoots , change magnitude the current year , with plant era from 4 to 8 years. Harvested cuttings argon fixed in piss and pruned .\nIn many forms of conifers cuttings hold upn from squinty branches , with further growth of the plants with the wrong form branching top of the inning , with a slew trunk. For example, to form a pyramidal or columnar exceed , this is undesirable since unconnected decorative.\nIn connection with this, uterine specimens from which cuttings are taken , should be cut dark the top half of the crown, and the remaining branches ambit horizontally to source the growth of a large second of lateral shoots , with whom , and preferably take cuttings .\n space of cuttings varies. Cuttings of plants such as juniper , genus Thuja , cut length of 8 - 12 cm, rare 6 - 7 cm\nGreat splendor for the forma tion of grow in cuttings has age uterine plants from which cuttings are taken . The jr. the plant, the faster and interrupt grow ghost . Age cuttings is in like manner important. Better than annuals, rooted 2 - or 3 -year-old shoots .\n conduct carefully to take list .\nFrom the branches prance tear big money cuttings length 6 - 10 cm part of the scrape and wood . in the lead planting, heel gently sanded and cleaned from the bottom of the cutting needles and burrs . Very important to ensure that the peel on the heel is not scattered .\nWhen spring cuttings kept up(p) relative humidity above 70 %, while the summer - up to 80 %. Propagation by cuttings in the spring of minimum activate temperature from +4 to +7 C, maximum - in July - August from +21 to +34 C.'
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