園藝專業(yè)英語第二版 教學(xué)PPT課件
園藝專業(yè)英語第二版 教學(xué)PPT課件,園藝專業(yè)英語第二版,教學(xué)PPT課件,園藝,專業(yè),英語,第二,教學(xué),PPT,課件
吳樹敬吳樹敬 園藝科學(xué)與工程學(xué)院園藝科學(xué)與工程學(xué)院第七講第七講 Grafting*果蔬嫁接果蔬嫁接*kindly note the difference between grafting and graft1、The art of graft.2、Why we use rootstock in fruit and vegetables production.3、The alternative to rootstock.接穗接穗:scion 裂口:裂口:cleft砧木砧木:rootstock 嫁接鑿嫁接鑿 grafting chisel 親和:親和:affinity 嫁接槌嫁接槌 。mallet結(jié)扎結(jié)扎:ligatures 鋸:鋸:邊材:邊材:alburnum 表皮表皮:epidermis,cuticle 木質(zhì)部:木質(zhì)部:xylem 韌韌皮皮部部:phloemAlmost all the modes of grafting requires a ligature to fasten up separated tissues or raised bark,to tie clefts together,and keep the graft firmly on the stock.whip graft(舌接)(舌接)straight draw cutstraight and slanting cutcleft graft(裂接)(裂接)Free from knotsside graft(側(cè)接)(側(cè)接)budding(芽接)(芽接)Intimate union of the two partsIn every kid of grafting,it is indispensible that the two parts grafted should be in close communication,not by means of the epidermis or the pitch,but through the generating layers-that is the new and living layers of inner bark or alburnum,in the tissue of which the cambium flows.Cambium 復(fù)數(shù)形式:復(fù)數(shù)形式:cambiums,cambia又稱維管形成層。一般指裸子又稱維管形成層。一般指裸子植物和雙子葉植物的根和莖中,位植物和雙子葉植物的根和莖中,位于木質(zhì)部和韌皮部之間的一種分生于木質(zhì)部和韌皮部之間的一種分生組織。經(jīng)形成層細(xì)胞的分裂,可以組織。經(jīng)形成層細(xì)胞的分裂,可以不斷產(chǎn)生新的木質(zhì)部與韌皮部,使不斷產(chǎn)生新的木質(zhì)部與韌皮部,使莖或根不斷加粗,莖或根不斷加粗,whip graft 舌接舌接inch 英寸英寸 1英寸英寸=2.5399厘米厘米foot 英尺英尺 1英尺英尺=12英寸英寸=30厘米厘米stub 樹墩樹墩straight draw cut 直線掏槽直線掏槽 The definition of graftingThe other plant,or portion of plant,which is grafted on the stock,should have one shoot or eye,and be in good condition-that is,neither withered,nor mouldy,nor decay,nor wet.It is called the graft or scion;it is analagous to a cutting in communication with soil,and continues its normal growth through the intervention of the stock.Notwithstanding the intimate union of the stock and the graft,they preserve their individual character and constitution distinct:The characters of graft1)Notwithstanding the intimate union of the stock and the graft,they preserve their individual character and constitution distinct:their lays of wood and bark continue to be developed without the fibres and vessels of one converging with those of the other.It is,as it were,a federative union which leaves to the interested parties their independence.Not unfrequently the union of withstanding the grafted pieces suffers a clean severance at the point of contact,either in consequence of the weight of the branches,the violence of the wind,or some other casualty.2)Almost all dicotyledonous plants may be grafted.Up to the present,the monocotyledonous plants have been tried in vain.Their structure does not support the adhesion of the parts when put together;and without intimate union,grafting is impossible.Object of grafting Conditions of success quince 木梨木梨medlar 枸杞子枸杞子chestnut 栗子栗子horse-chestnut 馬栗子馬栗子 hawthorn 山楂山楂 corymb 傘房花序;傘房花序;pinnate 羽狀復(fù)葉羽狀復(fù)葉 Panicle 穗穗狀;狀;sorbus 花椒花椒chionanthus 流蘇;流蘇;ash岑樹岑樹Parenchyma:薄壁細(xì)胞薄壁細(xì)胞Exodermis:外皮層外皮層Endodermis:內(nèi)皮層內(nèi)皮層Pericycle:中柱鞘中柱鞘Fibril,root hair:根毛根毛pyracantha火棘火棘Cotoneaster:栒子屬:栒子屬Rosaceae:薔薇科薔薇科Maloideae weber:蘋果亞科:蘋果亞科Mutual vigour of the parts1)The perfect harmony of the vigor between graft and stock2)The strong viability of graft than that of stock is acceptable than the reverse.WHY USE ROOTSTOCKS?Propagation:Traditionally,rootstocks were used primarily as a method for propagating selected scion cultivars.Tree fruit species do not develop true-to-type when propagated from seed and propagation of selected scion cultivars is possible only by vegetative methods.Burrknotroot primordia
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園藝專業(yè)英語第二版
教學(xué)PPT課件
園藝
專業(yè)
英語
第二
教學(xué)
PPT
課件
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園藝專業(yè)英語第二版 教學(xué)PPT課件,園藝專業(yè)英語第二版,教學(xué)PPT課件,園藝,專業(yè),英語,第二,教學(xué),PPT,課件
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