怎么养护马达加斯加龙血树

马达加斯加龙血树,又称红边铁,是一种生命力强且易养护的室内盆栽植物。要是住在全年温暖无寒冬的地方,就可以常年把这种色彩靓丽的植物种在户外。龙血树既喜充足的阳光又要适当遮阴,另外还需充沛又不过量的水分。要是喜欢挑战高难度,不妨尝试种子繁殖或扦插繁殖。要是喜欢红、黄等鲜亮色彩,不妨选择不同的龙血树栽培品种,给家居或花园添光增彩。

方法 1 的 5:

挑选一棵马达加斯加龙血树

  1. {"smallUrl":"https:\/\/www.zenmeban.com\/images_en\/thumb\/5\/59\/Care-for-a-Madagascar-Dragon-Tree-Step-1-Version-2.jpg\/v4-460px-Care-for-a-Madagascar-Dragon-Tree-Step-1-Version-2.jpg","bigUrl":"https:\/\/www.zenmeban.com\/images\/thumb\/5\/59\/Care-for-a-Madagascar-Dragon-Tree-Step-1-Version-2.jpg\/v4-728px-Care-for-a-Madagascar-Dragon-Tree-Step-1-Version-2.jpg","smallWidth":460,"smallHeight":345,"bigWidth":728,"bigHeight":546,"licensing":"<div class=\"mw-parser-output\"><\/div>"} 1 选择马达加斯加龙血树原始品种。龙血树的栽培品种都是它的原始品种经人工选育栽培而来。龙血树原始品种的绿色叶子边缘有狭长的红紫色带。[1]
  2. {"smallUrl":"https:\/\/www.zenmeban.com\/images_en\/thumb\/7\/77\/Care-for-a-Madagascar-Dragon-Tree-Step-2-Version-2.jpg\/v4-460px-Care-for-a-Madagascar-Dragon-Tree-Step-2-Version-2.jpg","bigUrl":"https:\/\/www.zenmeban.com\/images\/thumb\/7\/77\/Care-for-a-Madagascar-Dragon-Tree-Step-2-Version-2.jpg\/v4-728px-Care-for-a-Madagascar-Dragon-Tree-Step-2-Version-2.jpg","smallWidth":460,"smallHeight":345,"bigWidth":728,"bigHeight":546,"licensing":"<div class=\"mw-parser-output\"><\/div>"} 2 选择绿金红三色龙血树栽培品种。这种栽培品种叶子上有黄白色带,把绿色叶面和红色叶边分隔开来。因此,从远处看,叶子甚至呈白色或黄色。[2]
  3. {"smallUrl":"https:\/\/www.zenmeban.com\/images_en\/thumb\/6\/6e\/Care-for-a-Madagascar-Dragon-Tree-Step-3-Version-2.jpg\/v4-460px-Care-for-a-Madagascar-Dragon-Tree-Step-3-Version-2.jpg","bigUrl":"https:\/\/www.zenmeban.com\/images\/thumb\/6\/6e\/Care-for-a-Madagascar-Dragon-Tree-Step-3-Version-2.jpg\/v4-728px-Care-for-a-Madagascar-Dragon-Tree-Step-3-Version-2.jpg","smallWidth":460,"smallHeight":345,"bigWidth":728,"bigHeight":546,"licensing":"<div class=\"mw-parser-output\"><\/div>"} 3 选择红彩龙血树栽培品种。这种栽培品种的外观最是新颖独特。由于叶片上的红色带特别显眼耀目,因而叶子看上去呈红色或粉色。[3]
  4. {"smallUrl":"https:\/\/www.zenmeban.com\/images_en\/thumb\/9\/9a\/Care-for-a-Madagascar-Dragon-Tree-Step-4-Version-2.jpg\/v4-460px-Care-for-a-Madagascar-Dragon-Tree-Step-4-Version-2.jpg","bigUrl":"https:\/\/www.zenmeban.com\/images\/thumb\/9\/9a\/Care-for-a-Madagascar-Dragon-Tree-Step-4-Version-2.jpg\/v4-728px-Care-for-a-Madagascar-Dragon-Tree-Step-4-Version-2.jpg","smallWidth":460,"smallHeight":345,"bigWidth":728,"bigHeight":546,"licensing":"<div class=\"mw-parser-output\"><\/div>"} 4 选择尖叶龙血树栽培品种(俗称人猿泰山龙血树)。这种栽培品种的色彩分布与原始品种一样,只是叶子稍有差别。它的茎伸展幅度比其他品种宽的多,因此显得树的轮廓更大,叶子也更坚挺。还有一个特征是:叶子一簇簇地密集成球团状。[4]
方法 2 的 5:

养护室内的马达加斯加龙血树

  1. {"smallUrl":"https:\/\/www.zenmeban.com\/images_en\/thumb\/7\/78\/Care-for-a-Madagascar-Dragon-Tree-Step-5.jpg\/v4-460px-Care-for-a-Madagascar-Dragon-Tree-Step-5.jpg","bigUrl":"https:\/\/www.zenmeban.com\/images\/thumb\/7\/78\/Care-for-a-Madagascar-Dragon-Tree-Step-5.jpg\/v4-728px-Care-for-a-Madagascar-Dragon-Tree-Step-5.jpg","smallWidth":460,"smallHeight":345,"bigWidth":728,"bigHeight":546,"licensing":"<div class=\"mw-parser-output\"><\/div>"} 1 把龙血树盆栽放在无太阳直射但光线明亮的地方。最好把龙血树盆栽放在朝西或朝东窗户附近的朝北窗户前面,而不要离朝南窗户太近,这是因为龙血树受到太阳直晒,叶子会被灼伤。[5]
    • 要是龙血树叶子色泽逐渐黯淡,那就说明光照不足。这时候要把它移至朝东或朝西的窗前,留心观察一段时间叶子的变化,要是叶片变棕色,叶尖枯干,就表明叶子被阳光灼伤了。[6]
  2. {"smallUrl":"https:\/\/www.zenmeban.com\/images_en\/thumb\/2\/20\/Care-for-a-Madagascar-Dragon-Tree-Step-6.jpg\/v4-460px-Care-for-a-Madagascar-Dragon-Tree-Step-6.jpg","bigUrl":"https:\/\/www.zenmeban.com\/images\/thumb\/2\/20\/Care-for-a-Madagascar-Dragon-Tree-Step-6.jpg\/v4-728px-Care-for-a-Madagascar-Dragon-Tree-Step-6.jpg","smallWidth":460,"smallHeight":345,"bigWidth":728,"bigHeight":546,"licensing":"<div class=\"mw-parser-output\"><\/div>"} 2 选用排水性好的盆栽土和有排水孔的花盆。即使龙血树吸水能力不错,但过于潮湿的土壤还是会使它烂根。选择一个容量比龙血树根团大两倍的花盆,往里倒入排水性好的盆栽土直至倒满花盆的一半。接着,把龙血树的根团放在花盆中央,四周继续倒入盆栽土直至把花盆填满,然后淋上蒸馏水直至根团完全湿透。[7]
    • 不妨在苗圃买一棵带盆出售的龙血树。这样就省去了上盆的麻烦,可以等到需要换盆的时候才换了。
  3. {"smallUrl":"https:\/\/www.zenmeban.com\/images_en\/thumb\/e\/ef\/Care-for-a-Madagascar-Dragon-Tree-Step-7.jpg\/v4-460px-Care-for-a-Madagascar-Dragon-Tree-Step-7.jpg","bigUrl":"https:\/\/www.zenmeban.com\/images\/thumb\/e\/ef\/Care-for-a-Madagascar-Dragon-Tree-Step-7.jpg\/v4-728px-Care-for-a-Madagascar-Dragon-Tree-Step-7.jpg","smallWidth":460,"smallHeight":345,"bigWidth":728,"bigHeight":546,"licensing":"<div class=\"mw-parser-output\"><\/div>"} 3 等土壤表面完全干透了才浇水。手指戳入土壤,要是感觉土壤表面及以下数厘米全干透了,就淋上蒸馏水直至土壤完全湿透。密切留意土壤的干湿情况以便适时浇水。[8]
    • 还好,龙血树叶子能告诉我们水浇多了还是少了。要是叶子枯黄凋零,可能是浇水不足。要只是叶尖变黄,更可能是浇水过多了。
    • 朝向新枝底部的叶子变棕色或凋零,是老叶被新叶替代的正常现象!
  4. {"smallUrl":"https:\/\/www.zenmeban.com\/images_en\/thumb\/c\/c9\/Care-for-a-Madagascar-Dragon-Tree-Step-8.jpg\/v4-460px-Care-for-a-Madagascar-Dragon-Tree-Step-8.jpg","bigUrl":"https:\/\/www.zenmeban.com\/images\/thumb\/c\/c9\/Care-for-a-Madagascar-Dragon-Tree-Step-8.jpg\/v4-728px-Care-for-a-Madagascar-Dragon-Tree-Step-8.jpg","smallWidth":460,"smallHeight":345,"bigWidth":728,"bigHeight":546,"licensing":"<div class=\"mw-parser-output\"><\/div>"} 4 除冬季外,气温保持在24摄氏度左右。要是你想家里更暖和些也没关系,就算室内气温高达27度,龙血树也能茁壮成长。[9] 待天气转凉,就把家里或龙血树所在房间的温度调低一些,[10] 以便它能顺利进入休眠。但是,温度不能低于18度。[11]
  5. {"smallUrl":"https:\/\/www.zenmeban.com\/images_en\/thumb\/5\/57\/Care-for-a-Madagascar-Dragon-Tree-Step-9.jpg\/v4-460px-Care-for-a-Madagascar-Dragon-Tree-Step-9.jpg","bigUrl":"https:\/\/www.zenmeban.com\/images\/thumb\/5\/57\/Care-for-a-Madagascar-Dragon-Tree-Step-9.jpg\/v4-728px-Care-for-a-Madagascar-Dragon-Tree-Step-9.jpg","smallWidth":460,"smallHeight":345,"bigWidth":728,"bigHeight":546,"licensing":"<div class=\"mw-parser-output\"><\/div>"} 5 定期向叶片喷药以减少虫害。马达加斯加龙血树易遭受温室红蜘蛛、蓟马、介壳虫等几种大同小异的虫害。[12] 每周在树周围喷洒水雾至少1至2次以保持环境湿润,就能有效预防虫害。[13] 不过,要是发现叶片黄斑交驳或有黄色凸块,则表明龙血树可能已感染虫害。[14]
    • 咨询当地苗圃购买适合的杀虫剂,也可以网购。
    • 你也可以使用天然杀虫剂,但它对于严重的虫害疗效甚微。
  6. {"smallUrl":"https:\/\/www.zenmeban.com\/images_en\/thumb\/1\/1f\/Care-for-a-Madagascar-Dragon-Tree-Step-10.jpg\/v4-460px-Care-for-a-Madagascar-Dragon-Tree-Step-10.jpg","bigUrl":"https:\/\/www.zenmeban.com\/images\/thumb\/1\/1f\/Care-for-a-Madagascar-Dragon-Tree-Step-10.jpg\/v4-728px-Care-for-a-Madagascar-Dragon-Tree-Step-10.jpg","smallWidth":460,"smallHeight":345,"bigWidth":728,"bigHeight":546,"licensing":"<div class=\"mw-parser-output\"><\/div>"} 6 除冬季外,每月施适量的室内盆栽专用肥一次。春秋两季,给龙血树施室内盆栽专用肥以促其生长。选择一款水溶性肥料,用水稀释至50%浓度后施给龙血树。秋冬两季停止施肥,让龙血树进入休眠状态。[15]
    • 根据肥料包装上的说明书确定施用量。施用时,最好配制成与水比例为1:1的稀释液。
  7. {"smallUrl":"https:\/\/www.zenmeban.com\/images_en\/thumb\/8\/8d\/Care-for-a-Madagascar-Dragon-Tree-Step-11.jpg\/v4-460px-Care-for-a-Madagascar-Dragon-Tree-Step-11.jpg","bigUrl":"https:\/\/www.zenmeban.com\/images\/thumb\/8\/8d\/Care-for-a-Madagascar-Dragon-Tree-Step-11.jpg\/v4-728px-Care-for-a-Madagascar-Dragon-Tree-Step-11.jpg","smallWidth":460,"smallHeight":345,"bigWidth":728,"bigHeight":546,"licensing":"<div class=\"mw-parser-output\"><\/div>"} 7 春季或夏季修剪龙血树,使其树形更紧凑。为避免枝条纤长下垂,需用干净锋利的园艺剪把那些纤弱的幼苗或嫩枝剪掉。注意:修剪时,要契合正确的角度从茎的基部剪掉幼苗或嫩枝。[16]
    • 夏末、秋季或冬季不要进行修剪。因为龙血树进入休眠之前,它需要时间成长。
    • 剪下来的枝条可用来扦插!
  8. {"smallUrl":"https:\/\/www.zenmeban.com\/images_en\/thumb\/8\/8c\/Care-for-a-Madagascar-Dragon-Tree-Step-12.jpg\/v4-460px-Care-for-a-Madagascar-Dragon-Tree-Step-12.jpg","bigUrl":"https:\/\/www.zenmeban.com\/images\/thumb\/8\/8c\/Care-for-a-Madagascar-Dragon-Tree-Step-12.jpg\/v4-728px-Care-for-a-Madagascar-Dragon-Tree-Step-12.jpg","smallWidth":460,"smallHeight":345,"bigWidth":728,"bigHeight":546,"licensing":"<div class=\"mw-parser-output\"><\/div>"} 8 当根团挤满花盆时,就需要换个更大的花盆了。定期查看花盆底部的排水孔,要是发现树根从排水孔伸长出来,就需要换个更大的花盆了。[17] 选一个比旧花盆宽5厘米、深5厘米的新花盆,接着沿盆边侧转旧花盆以便轻柔地把龙血树移出来,然后修剪根的末端以促其生长,修剪好后,植入新盆。[18]
    • 新盆也要有排水孔。盆里倒入排水性好的盆栽土直至倒满半盆,再种入龙血树,接着往盆里填满盆栽土,然后浇足蒸馏水。
    • 要是龙血树难以从旧花盆里移出,可以试着用手把它盘卷的根捋直,或者轻敲盆底和盆壁,把它沿着一侧挪移出来。
    • 换盆后至少要过一个月才能施肥。
方法 3 的 5:

在户外种植马达加斯加龙血树

  1. {"smallUrl":"https:\/\/www.zenmeban.com\/images_en\/thumb\/6\/6b\/Care-for-a-Madagascar-Dragon-Tree-Step-13.jpg\/v4-460px-Care-for-a-Madagascar-Dragon-Tree-Step-13.jpg","bigUrl":"https:\/\/www.zenmeban.com\/images\/thumb\/6\/6b\/Care-for-a-Madagascar-Dragon-Tree-Step-13.jpg\/v4-728px-Care-for-a-Madagascar-Dragon-Tree-Step-13.jpg","smallWidth":460,"smallHeight":345,"bigWidth":728,"bigHeight":546,"licensing":"<div class=\"mw-parser-output\"><\/div>"} 1 确定自己处于抗寒带的哪个特定区域,确定是否能在室外种植龙血树。美国农业部绘制了《美国植物抗寒带分区图》,图中详细标明了美国不同“区域”的气温和植物生长条件。在美国,只有在10区和11区才能把马达加斯加龙血树常年种在户外。[19] 加利福尼亚南部海岸和佛罗里达州南端就属于10区和11区。[20]
    • 《美国植物抗寒带分区图》对美国本土种植者最有用。其他国家比如澳大利亚,也根据同样的气温划分准则,绘制了本国的植物抗寒带分区图。[21] 你可以上网查找相关信息。
  2. {"smallUrl":"https:\/\/www.zenmeban.com\/images_en\/thumb\/f\/f2\/Care-for-a-Madagascar-Dragon-Tree-Step-14.jpg\/v4-460px-Care-for-a-Madagascar-Dragon-Tree-Step-14.jpg","bigUrl":"https:\/\/www.zenmeban.com\/images\/thumb\/f\/f2\/Care-for-a-Madagascar-Dragon-Tree-Step-14.jpg\/v4-728px-Care-for-a-Madagascar-Dragon-Tree-Step-14.jpg","smallWidth":460,"smallHeight":345,"bigWidth":728,"bigHeight":546,"licensing":"<div class=\"mw-parser-output\"><\/div>"} 2 要是所处的区域气候较为寒冷,就得规划好何时把龙血树放在户外和何时放在室内。要是住在《美国植物抗寒带分区图》的8区或9区,春夏两季你都可以把龙血树放在户外,不过一旦气温下降,就要把龙血树搬回室内。龙血树最好是待在气温18摄氏度以上的环境中,因此初秋气温开始下降时,就要把龙血树放到室内。
    • 要是住在《美国植物抗寒带分区图》的北部区域,你可以在温暖的夏季把龙血树放在户外。不过,要密切留意气温变化!一旦夜间温度降至16至18摄氏度以下,龙血树就会停止生长,甚至冻死。[22]
  3. {"smallUrl":"https:\/\/www.zenmeban.com\/images_en\/thumb\/9\/9c\/Care-for-a-Madagascar-Dragon-Tree-Step-15.jpg\/v4-460px-Care-for-a-Madagascar-Dragon-Tree-Step-15.jpg","bigUrl":"https:\/\/www.zenmeban.com\/images\/thumb\/9\/9c\/Care-for-a-Madagascar-Dragon-Tree-Step-15.jpg\/v4-728px-Care-for-a-Madagascar-Dragon-Tree-Step-15.jpg","smallWidth":460,"smallHeight":345,"bigWidth":728,"bigHeight":546,"licensing":"<div class=\"mw-parser-output\"><\/div>"} 3 把龙血树种在有适当遮阴的地方。保证龙血树每天约4至6小时的太阳光照,同时,也要保证至少有数小时的荫蔽,以免它被灼伤。[23]
    • 留意干枯变褐的叶尖。叶尖干枯变褐,说明龙血树晒太阳过多,而叶子变黄则说明光照不足。[24]
  4. {"smallUrl":"https:\/\/www.zenmeban.com\/images_en\/thumb\/6\/64\/Care-for-a-Madagascar-Dragon-Tree-Step-16.jpg\/v4-460px-Care-for-a-Madagascar-Dragon-Tree-Step-16.jpg","bigUrl":"https:\/\/www.zenmeban.com\/images\/thumb\/6\/64\/Care-for-a-Madagascar-Dragon-Tree-Step-16.jpg\/v4-728px-Care-for-a-Madagascar-Dragon-Tree-Step-16.jpg","smallWidth":460,"smallHeight":345,"bigWidth":728,"bigHeight":546,"licensing":"<div class=\"mw-parser-output\"><\/div>"} 4 选择排水性好的土地。排水性测试:在土地上挖个洞,洞里灌满水。等水排干后再次灌满。然后观察,要是水在15分钟内排干,说明土地排水性好。要是超过1小时,甚至超过6小时,则说明土地排水性差。[25]
    • 要是排水性无须过多改良,就可以往土里适当添些堆肥和腐熟肥来提升土壤品质。要是排水性很差,则可能需要花钱铺设地下管道以排走多余的水。[26]
  5. {"smallUrl":"https:\/\/www.zenmeban.com\/images_en\/thumb\/8\/87\/Care-for-a-Madagascar-Dragon-Tree-Step-17.jpg\/v4-460px-Care-for-a-Madagascar-Dragon-Tree-Step-17.jpg","bigUrl":"https:\/\/www.zenmeban.com\/images\/thumb\/8\/87\/Care-for-a-Madagascar-Dragon-Tree-Step-17.jpg\/v4-728px-Care-for-a-Madagascar-Dragon-Tree-Step-17.jpg","smallWidth":460,"smallHeight":345,"bigWidth":728,"bigHeight":546,"licensing":"<div class=\"mw-parser-output\"><\/div>"} 5 挖一个比龙血树根团大两倍的坑。测量龙血树根团大小后,挖一个比龙血树根团大两倍的坑。把龙血树放在坑中央,再往坑里填满土并将土压实,然后浇足蒸馏水,使其湿透。[27]
    • 你也可以把龙血树种在户外花盆里。[28]
  6. {"smallUrl":"https:\/\/www.zenmeban.com\/images_en\/thumb\/a\/a3\/Care-for-a-Madagascar-Dragon-Tree-Step-18.jpg\/v4-460px-Care-for-a-Madagascar-Dragon-Tree-Step-18.jpg","bigUrl":"https:\/\/www.zenmeban.com\/images\/thumb\/a\/a3\/Care-for-a-Madagascar-Dragon-Tree-Step-18.jpg\/v4-728px-Care-for-a-Madagascar-Dragon-Tree-Step-18.jpg","smallWidth":460,"smallHeight":345,"bigWidth":728,"bigHeight":546,"licensing":"<div class=\"mw-parser-output\"><\/div>"} 6 种好后,接下来的三周都需频繁浇水,而后每周浇一次。龙血树适应新环境时,需要每周湿透树周围的土壤2至3次。约20天后,浇水频率降至每周一次。要是土壤本身湿润,不妨进一步降低浇水频率。每次都需等到土壤完全干透才浇水。[29]
    • 周遭环境很干燥的时候,就需增加浇水次数。通过叶尖是否发黄来判定是否浇水过多。要是叶子凋零,则需多浇些水。
    • 假如只是树茎底部的叶子枯黄凋零,就不过是新老更替的正常自然现象,只要这些老叶子上方有健康的新叶就行。
方法 4 的 5:

扦插繁殖

  1. {"smallUrl":"https:\/\/www.zenmeban.com\/images_en\/thumb\/3\/3a\/Care-for-a-Madagascar-Dragon-Tree-Step-19.jpg\/v4-460px-Care-for-a-Madagascar-Dragon-Tree-Step-19.jpg","bigUrl":"https:\/\/www.zenmeban.com\/images\/thumb\/3\/3a\/Care-for-a-Madagascar-Dragon-Tree-Step-19.jpg\/v4-728px-Care-for-a-Madagascar-Dragon-Tree-Step-19.jpg","smallWidth":460,"smallHeight":345,"bigWidth":728,"bigHeight":546,"licensing":"<div class=\"mw-parser-output\"><\/div>"} 1 扦插成年龙血树的枝条更易繁殖成功。相比播种,马达加斯加龙血树通过扦插更易繁殖成功。龙血树种子易受各种因素影响,且难以萌芽。[30]
    • 只要把扦插条放在室内,就可以随时进行扦插。不过,要想符合龙血树自然的生长周期,那就得在夏季进行扦插。[31]
  2. {"smallUrl":"https:\/\/www.zenmeban.com\/images_en\/thumb\/1\/1c\/Care-for-a-Madagascar-Dragon-Tree-Step-20.jpg\/v4-460px-Care-for-a-Madagascar-Dragon-Tree-Step-20.jpg","bigUrl":"https:\/\/www.zenmeban.com\/images\/thumb\/1\/1c\/Care-for-a-Madagascar-Dragon-Tree-Step-20.jpg\/v4-728px-Care-for-a-Madagascar-Dragon-Tree-Step-20.jpg","smallWidth":460,"smallHeight":345,"bigWidth":728,"bigHeight":546,"licensing":"<div class=\"mw-parser-output\"><\/div>"} 2 选取去年长出的强健枝条。选取的枝条需顶端的芽长势良好。而且,它应是树上长出的而非从土里长出的枝条。[32] 此外,它也应足够长才能萌芽,因此截取的长度需为20至30厘米。[33]
  3. {"smallUrl":"https:\/\/www.zenmeban.com\/images_en\/thumb\/6\/6d\/Care-for-a-Madagascar-Dragon-Tree-Step-21.jpg\/v4-460px-Care-for-a-Madagascar-Dragon-Tree-Step-21.jpg","bigUrl":"https:\/\/www.zenmeban.com\/images\/thumb\/6\/6d\/Care-for-a-Madagascar-Dragon-Tree-Step-21.jpg\/v4-728px-Care-for-a-Madagascar-Dragon-Tree-Step-21.jpg","smallWidth":460,"smallHeight":345,"bigWidth":728,"bigHeight":546,"licensing":"<div class=\"mw-parser-output\"><\/div>"} 3 从茎的底部横切截断。保留茎顶端的所有组织,因为这个位置的枝叶进行光合作用的能力更强,能为茎提供更多养分。[34]
  4. {"smallUrl":"https:\/\/www.zenmeban.com\/images_en\/thumb\/8\/85\/Care-for-a-Madagascar-Dragon-Tree-Step-22.jpg\/v4-460px-Care-for-a-Madagascar-Dragon-Tree-Step-22.jpg","bigUrl":"https:\/\/www.zenmeban.com\/images\/thumb\/8\/85\/Care-for-a-Madagascar-Dragon-Tree-Step-22.jpg\/v4-728px-Care-for-a-Madagascar-Dragon-Tree-Step-22.jpg","smallWidth":460,"smallHeight":345,"bigWidth":728,"bigHeight":546,"licensing":"<div class=\"mw-parser-output\"><\/div>"} 4 把茎底插入盛有水的容器里。把茎底的横截面插入8至13厘米深的蒸馏水中。[35] 为防止滋生细菌,每隔5至7天换一次水。[36] 密切留意,要是水位下降就及时补充水,以确保水深始终保持一致。
  5. {"smallUrl":"https:\/\/www.zenmeban.com\/images_en\/thumb\/1\/18\/Care-for-a-Madagascar-Dragon-Tree-Step-23.jpg\/v4-460px-Care-for-a-Madagascar-Dragon-Tree-Step-23.jpg","bigUrl":"https:\/\/www.zenmeban.com\/images\/thumb\/1\/18\/Care-for-a-Madagascar-Dragon-Tree-Step-23.jpg\/v4-728px-Care-for-a-Madagascar-Dragon-Tree-Step-23.jpg","smallWidth":460,"smallHeight":345,"bigWidth":728,"bigHeight":546,"licensing":"<div class=\"mw-parser-output\"><\/div>"} 5 供暖并使用生根激素。从扦插条底部,向它供应适宜的热度,比如使用加热灯。供暖和使用生根激素都能提高扦插成功率。
    • 遵照说明书使用生根激素。
  6. {"smallUrl":"https:\/\/www.zenmeban.com\/images_en\/thumb\/5\/5e\/Care-for-a-Madagascar-Dragon-Tree-Step-24.jpg\/v4-460px-Care-for-a-Madagascar-Dragon-Tree-Step-24.jpg","bigUrl":"https:\/\/www.zenmeban.com\/images\/thumb\/5\/5e\/Care-for-a-Madagascar-Dragon-Tree-Step-24.jpg\/v4-728px-Care-for-a-Madagascar-Dragon-Tree-Step-24.jpg","smallWidth":460,"smallHeight":345,"bigWidth":728,"bigHeight":546,"licensing":"<div class=\"mw-parser-output\"><\/div>"} 6 预计数周后可见生根。只需10至20天就能生根,但茎顶冒新芽则需更长的时间。新长出来的根像细小的白色卷发。[37] 生了根的扦插条就可以移入盛满室内盆栽专用土的单个容器里。[38]
方法 5 方法 5 的 5:

播种繁殖

  1. {"smallUrl":"https:\/\/www.zenmeban.com\/images_en\/thumb\/6\/6d\/Care-for-a-Madagascar-Dragon-Tree-Step-25.jpg\/v4-460px-Care-for-a-Madagascar-Dragon-Tree-Step-25.jpg","bigUrl":"https:\/\/www.zenmeban.com\/images\/thumb\/6\/6d\/Care-for-a-Madagascar-Dragon-Tree-Step-25.jpg\/v4-728px-Care-for-a-Madagascar-Dragon-Tree-Step-25.jpg","smallWidth":460,"smallHeight":345,"bigWidth":728,"bigHeight":546,"licensing":"<div class=\"mw-parser-output\"><\/div>"} 1 要是没有成年的龙血树,就通过种子繁殖。虽然马达加斯加龙血树肯定可以通过种子繁殖,但需花时间反复尝试才能成功。许多品种的树都很难播种成功,龙血树也不例外。要是你想挑战高难度的园艺技法,这正适合你![39]
    • 网购可以买到马达加斯加龙血树种子,不过它可能比成年的龙血树还贵。
  2. {"smallUrl":"https:\/\/www.zenmeban.com\/images_en\/thumb\/a\/ae\/Care-for-a-Madagascar-Dragon-Tree-Step-26.jpg\/v4-460px-Care-for-a-Madagascar-Dragon-Tree-Step-26.jpg","bigUrl":"https:\/\/www.zenmeban.com\/images\/thumb\/a\/ae\/Care-for-a-Madagascar-Dragon-Tree-Step-26.jpg\/v4-728px-Care-for-a-Madagascar-Dragon-Tree-Step-26.jpg","smallWidth":460,"smallHeight":345,"bigWidth":728,"bigHeight":546,"licensing":"<div class=\"mw-parser-output\"><\/div>"} 2 赶在最后一次霜冻前,气温18至21摄氏度的时候,在室内播种。这个时候最契合龙血树自然的生长周期,因此能提高播种成功率。[40]
  3. {"smallUrl":"https:\/\/www.zenmeban.com\/images_en\/thumb\/a\/af\/Care-for-a-Madagascar-Dragon-Tree-Step-27.jpg\/v4-460px-Care-for-a-Madagascar-Dragon-Tree-Step-27.jpg","bigUrl":"https:\/\/www.zenmeban.com\/images\/thumb\/a\/af\/Care-for-a-Madagascar-Dragon-Tree-Step-27.jpg\/v4-728px-Care-for-a-Madagascar-Dragon-Tree-Step-27.jpg","smallWidth":460,"smallHeight":345,"bigWidth":728,"bigHeight":546,"licensing":"<div class=\"mw-parser-output\"><\/div>"} 3 播种前需浸泡种子4至5天。把种子泡在一碗温水里。虽说无须每天换水,不过,若能每天换水,会促进种子萌芽。[41]
  4. {"smallUrl":"https:\/\/www.zenmeban.com\/images_en\/thumb\/8\/89\/Care-for-a-Madagascar-Dragon-Tree-Step-28.jpg\/v4-460px-Care-for-a-Madagascar-Dragon-Tree-Step-28.jpg","bigUrl":"https:\/\/www.zenmeban.com\/images\/thumb\/8\/89\/Care-for-a-Madagascar-Dragon-Tree-Step-28.jpg\/v4-728px-Care-for-a-Madagascar-Dragon-Tree-Step-28.jpg","smallWidth":460,"smallHeight":345,"bigWidth":728,"bigHeight":546,"licensing":"<div class=\"mw-parser-output\"><\/div>"} 4 泡好后,把种子埋入小花盆的盆栽土里。往盆里倒入促进种苗生长的堆肥或多效复合肥与珍珠岩等比例混合的混合肥料,再用手把肥料压实,接着浇上蒸馏水直至土完全湿透,水从花盆的排水孔流出,然后把种子轻轻埋入土里。注意:一个花盆最多播2粒种子。[42]
    • 种子埋入土壤的深度不要超过1厘米。
    • 虽然都有效,但促进种苗生长的堆肥比多效复合肥更好。
    • 两粒种子之间至少要留出一指宽的间隙。
  5. {"smallUrl":"https:\/\/www.zenmeban.com\/images_en\/thumb\/5\/56\/Care-for-a-Madagascar-Dragon-Tree-Step-29.jpg\/v4-460px-Care-for-a-Madagascar-Dragon-Tree-Step-29.jpg","bigUrl":"https:\/\/www.zenmeban.com\/images\/thumb\/5\/56\/Care-for-a-Madagascar-Dragon-Tree-Step-29.jpg\/v4-728px-Care-for-a-Madagascar-Dragon-Tree-Step-29.jpg","smallWidth":460,"smallHeight":345,"bigWidth":728,"bigHeight":546,"licensing":"<div class=\"mw-parser-output\"><\/div>"} 5 把花盆装入塑料袋以保湿。把花盆装入可反复密封的塑料袋中,给塑料袋贴上写有植物名称和播种日期的标签。每天查看土壤,确保它保持湿润。要是发现土壤干透了,就要立即浇水湿透。[43]
  6. {"smallUrl":"https:\/\/www.zenmeban.com\/images_en\/thumb\/3\/30\/Care-for-a-Madagascar-Dragon-Tree-Step-30.jpg\/v4-460px-Care-for-a-Madagascar-Dragon-Tree-Step-30.jpg","bigUrl":"https:\/\/www.zenmeban.com\/images\/thumb\/3\/30\/Care-for-a-Madagascar-Dragon-Tree-Step-30.jpg\/v4-728px-Care-for-a-Madagascar-Dragon-Tree-Step-30.jpg","smallWidth":460,"smallHeight":345,"bigWidth":728,"bigHeight":546,"licensing":"<div class=\"mw-parser-output\"><\/div>"} 6 发芽需时30至40天。播种要是成功的话,种子约一个月后发芽。种子一旦膨胀到足以手拿,就把它轻轻移植到盛满湿润盆栽土的专属小花盆里。[44] 让它一直待在那里直至叶子长出且变得硬挺一些。[45]

警告

  • 马达加斯加龙血树对氟化物特别敏感,因此最好用蒸馏水来浇灌。
  • 马达加斯加龙血树对猫和狗都有毒,要是家里养了猫或狗,就别种龙血树了,还是种其他的室内盆栽比较好。[46]

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