CN109526994A - 一种用于植物的伤口愈合剂 - Google Patents

一种用于植物的伤口愈合剂 Download PDF

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CN109526994A
CN109526994A CN201811380492.6A CN201811380492A CN109526994A CN 109526994 A CN109526994 A CN 109526994A CN 201811380492 A CN201811380492 A CN 201811380492A CN 109526994 A CN109526994 A CN 109526994A
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夏琦
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Jieshou Fuyueyuan Agricultural Development Co Ltd
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Abstract

本发明公开了一种用于植物的伤口愈合剂,由以下重量份的原料制成:黄原胶15‑20份、萘乙酸钠3‑4份、梧宁霉素2‑3份、杀菌剂1‑3份、改性聚乳酸20‑30份、柠檬酸钾2‑3份、水杨酸3‑4份。本发明提供的一种用于植物的伤口愈合剂,不仅可以快速有效的促进植物伤口的愈合,有效驱逐和杀灭伤口处的害虫,避免有害细菌通过伤口对植物进行浸染,而且还可以促进植物细胞的生物活性,促进植物的健康生长。

Description

一种用于植物的伤口愈合剂
技术领域
本发明属于植物种植技术领域,具体涉及一种用于植物的伤口愈合剂。
背景技术
随着农业现代化的发展,果树作为农业的支柱产业之一有着广阔的发展前景,相应的果树的管理技术也需要不断的提高。在现有技术中,为了发展果树新品种,提高果品的品质和产量,通常要通过嫁接来实现,但是在果树嫁接后造成的果树伤口,紧靠果树自身愈合慢,有的采用塑料布或泥土封口,其效果差,易收到病虫危害。在夏季新生枝头极易被大风挂断,给果树的生长造成损害;再或者为了促进果树花芽分化,提高果树的座果率和产量,通常采用树体环剥技术,即在树体的树干或主枝上环状剥去一定宽度的韧皮部,它主要是阻碍树冠产生的光合营养物质向根部输送的通道,树上部碳水化合物得到积累,对促进花芽分化和提高座果率非常有利。但当环剥口宽度太宽或树体营养不良时,往往不能按期愈合,引起树势衰弱,严重时会出现死枝或死树现象。
目前市场上出售的各种植物伤口愈合剂、愈合膏等,不仅商品价格高,使用后伤口愈合和杀菌防病效果不佳,有的甚至起不到促进伤口愈合和消毒杀菌的作用。因此,提供一种新型的植物伤口愈合剂,解决现如今市场上的植物伤口愈合剂所存在的问题,以此来适应农业现代化发展的需求。
发明内容
本发明的目的是针对现有的问题,提供了一种用于植物的伤口愈合剂。
本发明是通过以下技术方案实现的:
一种用于植物的伤口愈合剂,按重量份组分如下:黄原胶15-20份、萘乙酸钠3-4份、梧宁霉素2-3份、杀菌剂1-3份、改性聚乳酸20-30份、柠檬酸钾2-3份、水杨酸3-4份。
优选地,一种用于植物的伤口愈合剂,其中所述杀菌剂的制备方法如下:
1)将冰片、荆芥、透骨草、土元、川芎、甘草和通草混合后加入到30-40倍量的纯净水中,加热至45-50℃,恒温浸泡10-15h,然后用武火煮沸后改用文火继续煎煮30-35min,待煎煮结束后,将过滤后的药渣继续煎煮2-3次,然后合并药液,在转速为10000-15000r/min下离心分离10-15min,制得提取液,其中冰片、荆芥、透骨草、土元、川芎、甘草和通草的质量比为5-10:7-9:6-8:5-8:4-6:5-9:3-5;
2)将壳聚糖加入到10-15倍量的乙酸溶液中,加热至45-50℃,搅拌溶解后制得壳聚糖溶液,然后加入1)中的提取液,在500-700W超声波下振荡分散20-25min,即可制得杀菌剂,其中乙酸溶液的浓度为3-5%,壳聚糖与提取液的质量体积比为1g:5-8ml。
优选地,一种用于植物的伤口愈合剂,其中所述改性聚乳酸的制备方法如下:
1)将醋酸纤维素加入到丙酮溶液中,搅拌溶解后制得醋酸纤维素溶液,将乳酸加入到四氢呋喃溶液中,加热时50-60℃,搅拌溶解后通入氮气10-15min,然后升温至65-70℃,加入醋酸纤维素溶液和过氧化苯甲酰,恒温反应3-5h,其中,丙酮溶液中丙酮与水的体积比为1:3-4,醋酸纤维素和丙酮溶液的质量体积比为1g:10-15ml,四氢呋喃溶液中四氢呋喃和水的体积比为1:4-5,乳酸和四氢呋喃的质量体积比为1g:5-10ml,醋酸纤维素、乳酸和过氧化苯甲酰的质量比为15-20:25-30:1-3;
2)待反应结束后,将反应所得的溶液用90-95%的乙醇溶液洗涤,经过滤、干燥制得粗接枝共聚物,然后将粗接枝共聚物置于抽提器中,以丙酮作为溶剂,抽提10-15h,每小时回流3-5h,将抽提后的剩余物移至50-60℃烘箱中干燥至恒重,制得纯接枝共聚物,即为醋酸纤维素接枝聚乳酸共聚物,其中干燥的温度为60-70℃,干燥时间5-8h;
3)将乙基纤维素加入到乙醇溶液中,搅拌溶解后制得乙基纤维素溶液,然后与醋酸纤维素接枝聚乳酸共聚物混合后加入到密炼机中进行密炼,待密炼结束后取出产物,自然冷却后即可制得,其中,乙醇溶液浓度为70-80%,乙基纤维素、醋酸纤维素接枝聚乳酸共聚物和乙醇溶液的质量体积比为1g:1.5-2g:20-25ml,密炼机的温度为150-180℃,转速设定为先以10-15r/min混合5min,然后再以50-70r/min混合5min即可。
优选地,一种用于植物的伤口愈合剂,其中所述伤口愈合剂的制备方法如下:
1)将黄原胶加入到30-40倍量的蒸馏水中,搅拌溶解后制得黄原胶溶液,然后加入萘乙酸钠、梧宁霉素、杀菌剂,在转速为500-800r/min下搅拌20-30min,制得混合液;
2)将改性聚乳酸加入到15-20倍量的四氢呋喃溶液中,加热至80-85℃,在转速为500-600r/min下搅拌10-15min,然后降温至70-75℃,再加入1)中的混合液、柠檬酸钾和水杨酸,在转速为600-800r/min下继续搅拌15-20min,然后冷却至室温后即可制得伤口愈合剂,其中四氢呋喃溶液中,四氢呋喃的水的体积比为1:3-4。
本发明相比现有技术具有以下优点:本发明提供的一种用于植物的伤口愈合剂,不仅可以快速有效的促进植物伤口的愈合,有效驱逐和杀灭伤口处的害虫,避免有害细菌通过伤口对植物进行浸染,而且还可以促进植物细胞的生物活性,促进植物的生长;首先,原料中的改性聚乳酸是由醋酸纤维素接枝聚乳酸共聚物和乙基纤维素经混合密炼制备而成的,其中醋酸纤维素接枝聚乳酸共聚物是由醋酸纤维素在引发剂过氧化苯甲酰的作用与乳酸接枝聚合形成的,该共聚物以醋酸纤维素作为基底,通过与聚乳酸进行复合,在保留其良好的亲水性和生物相容性的同时还具有很好的载药率,可以作为杀菌剂的载体,提高杀菌剂的稳定性和延长作用的时效性;乙基纤维素具有很好的粘合性和成膜性,能够使愈合剂在植物的伤口处形成一层粘附作用强的疏水性生物膜,可以提高愈合剂的稳定性,使其长期不变质,作用效果持久,而且还可以减少愈合剂在雨水冲刷下造成的损失;其次,原料中的杀菌剂是由冰片、荆芥、透骨草、土元、川芎、甘草、通草等中药材的提取液和壳聚糖溶液混合制备而成的,该杀菌剂对植物伤口处的细菌具有高效的抑制和杀灭作用,同时还可以提高苯丙氨酸解氨酶的活性,促进木质素的积累,降低纤维素酶和果胶酶活性,减缓纤维素和果胶的降解,从而促进细胞壁的组分的积累,加速细胞结构和组织结构的愈合,促进植物伤口的愈合;再次,萘乙酸钠和梧宁霉素可以促进愈合剂渗透进树体,促进愈伤组织愈合,而且还可以促进根系的生长,提高植物的抗病能力;最后,黄原胶可以提高各组分之间的粘合性和稳定性,柠檬酸钾和水杨酸不仅可以抑制细菌和霉菌的滋生,而且还可以防止树体腐烂、病害和虫害的发生,从而有利于植物的健康生长。
具体实施方式
下面结合具体实施方法对本发明做进一步的说明。
实施例1
一种用于植物的伤口愈合剂,按重量份组分如下:黄原胶15份、萘乙酸钠3份、梧宁霉素2份、杀菌剂1份、改性聚乳酸20份、柠檬酸钾2份、水杨酸3份。
作为优选,其中所述杀菌剂的制备方法如下:
1)将冰片、荆芥、透骨草、土元、川芎、甘草和通草混合后加入到30倍量的纯净水中,加热至45℃,恒温浸泡15h,然后用武火煮沸后改用文火继续煎煮30min,待煎煮结束后,将过滤后的药渣继续煎煮2次,然后合并药液,在转速为10000r/min下离心分离15min,制得提取液,其中冰片、荆芥、透骨草、土元、川芎、甘草和通草的质量比为5:7:6:5:4:5:3;
2)将壳聚糖加入到10倍量的乙酸溶液中,加热至45℃,搅拌溶解后制得壳聚糖溶液,然后加入1)中的提取液,在500W超声波下振荡分散25min,即可制得杀菌剂,其中乙酸溶液的浓度为3%,壳聚糖与提取液的质量体积比为1g:5-8ml。
作为优选,其中所述改性聚乳酸的制备方法如下:
1)将醋酸纤维素加入到丙酮溶液中,搅拌溶解后制得醋酸纤维素溶液,将乳酸加入到四氢呋喃溶液中,加热时50℃,搅拌溶解后通入氮气10min,然后升温至65℃,加入醋酸纤维素溶液和过氧化苯甲酰,恒温反应5h,其中,丙酮溶液中丙酮与水的体积比为1:3,醋酸纤维素和丙酮溶液的质量体积比为1g:10ml,四氢呋喃溶液中四氢呋喃和水的体积比为1:4,乳酸和四氢呋喃的质量体积比为1g:5ml,醋酸纤维素、乳酸和过氧化苯甲酰的质量比为15:25:1;
2)待反应结束后,将反应所得的溶液用90%的乙醇溶液洗涤,经过滤、干燥制得粗接枝共聚物,然后将粗接枝共聚物置于抽提器中,以丙酮作为溶剂,抽提10h,每小时回流3h,将抽提后的剩余物移至50℃烘箱中干燥至恒重,制得纯接枝共聚物,即为醋酸纤维素接枝聚乳酸共聚物,其中干燥的温度为60℃,干燥时间8h;
3)将乙基纤维素加入到乙醇溶液中,搅拌溶解后制得乙基纤维素溶液,然后与醋酸纤维素接枝聚乳酸共聚物混合后加入到密炼机中进行密炼,待密炼结束后取出产物,自然冷却后即可制得,其中,乙醇溶液浓度为70%,乙基纤维素、醋酸纤维素接枝聚乳酸共聚物和乙醇溶液的质量体积比为1g:1.5g:20ml,密炼机的温度为150℃,转速设定为先以10r/min混合5min,然后再以50r/min混合5min即可。
作为优选,其中所述伤口愈合剂的制备方法如下:
1)将黄原胶加入到30倍量的蒸馏水中,搅拌溶解后制得黄原胶溶液,然后加入萘乙酸钠、梧宁霉素、杀菌剂,在转速为500r/min下搅拌30min,制得混合液;
2)将改性聚乳酸加入到15倍量的四氢呋喃溶液中,加热至80℃,在转速为500r/min下搅拌15min,然后降温至70℃,再加入1)中的混合液、柠檬酸钾和水杨酸,在转速为600r/min下继续搅拌20min,然后冷却至室温后即可制得伤口愈合剂,其中四氢呋喃溶液中,四氢呋喃的水的体积比为1:3。
实施例2
一种用于植物的伤口愈合剂,按重量份组分如下:黄原胶17份、萘乙酸钠3.5份、梧宁霉素2.5份、杀菌剂2份、改性聚乳酸25份、柠檬酸钾2.5份、水杨酸3.5份。
作为优选,其中所述杀菌剂的制备方法如下:
1)将冰片、荆芥、透骨草、土元、川芎、甘草和通草混合后加入到35倍量的纯净水中,加热至47℃,恒温浸泡12h,然后用武火煮沸后改用文火继续煎煮32min,待煎煮结束后,将过滤后的药渣继续煎煮2次,然后合并药液,在转速为12000r/min下离心分离13min,制得提取液,其中冰片、荆芥、透骨草、土元、川芎、甘草和通草的质量比为7:8:7:6:5:7:4;
2)将壳聚糖加入到12倍量的乙酸溶液中,加热至46℃,搅拌溶解后制得壳聚糖溶液,然后加入1)中的提取液,在600W超声波下振荡分散23min,即可制得杀菌剂,其中乙酸溶液的浓度为4%,壳聚糖与提取液的质量体积比为1g:6ml。
作为优选,其中所述改性聚乳酸的制备方法如下:
1)将醋酸纤维素加入到丙酮溶液中,搅拌溶解后制得醋酸纤维素溶液,将乳酸加入到四氢呋喃溶液中,加热时55℃,搅拌溶解后通入氮气13min,然后升温至68℃,加入醋酸纤维素溶液和过氧化苯甲酰,恒温反应4h,其中,丙酮溶液中丙酮与水的体积比为1:3.5,醋酸纤维素和丙酮溶液的质量体积比为1g:12ml,四氢呋喃溶液中四氢呋喃和水的体积比为1:4.5,乳酸和四氢呋喃的质量体积比为1g:8ml,醋酸纤维素、乳酸和过氧化苯甲酰的质量比为17:28:2;
2)待反应结束后,将反应所得的溶液用92%的乙醇溶液洗涤,经过滤、干燥制得粗接枝共聚物,然后将粗接枝共聚物置于抽提器中,以丙酮作为溶剂,抽提12h,每小时回流4h,将抽提后的剩余物移至55℃烘箱中干燥至恒重,制得纯接枝共聚物,即为醋酸纤维素接枝聚乳酸共聚物,其中干燥的温度为65℃,干燥时间7h;
3)将乙基纤维素加入到乙醇溶液中,搅拌溶解后制得乙基纤维素溶液,然后与醋酸纤维素接枝聚乳酸共聚物混合后加入到密炼机中进行密炼,待密炼结束后取出产物,自然冷却后即可制得,其中,乙醇溶液浓度为75%,乙基纤维素、醋酸纤维素接枝聚乳酸共聚物和乙醇溶液的质量体积比为1g:1.7g:24ml,密炼机的温度为170℃,转速设定为先以12r/min混合5min,然后再以60r/min混合5min即可。
作为优选,其中所述伤口愈合剂的制备方法如下:
1)将黄原胶加入到35倍量的蒸馏水中,搅拌溶解后制得黄原胶溶液,然后加入萘乙酸钠、梧宁霉素、杀菌剂,在转速为700r/min下搅拌25min,制得混合液;
2)将改性聚乳酸加入到17倍量的四氢呋喃溶液中,加热至83℃,在转速为550r/min下搅拌12min,然后降温至72℃,再加入1)中的混合液、柠檬酸钾和水杨酸,在转速为700r/min下继续搅拌17min,然后冷却至室温后即可制得伤口愈合剂,其中四氢呋喃溶液中,四氢呋喃的水的体积比为1:3.5。
实施例3
一种用于植物的伤口愈合剂,按重量份组分如下:黄原胶20份、萘乙酸钠4份、梧宁霉素3份、杀菌剂3份、改性聚乳酸30份、柠檬酸钾3份、水杨酸4份。
作为优选,其中所述杀菌剂的制备方法如下:
1)将冰片、荆芥、透骨草、土元、川芎、甘草和通草混合后加入到40倍量的纯净水中,加热至50℃,恒温浸泡10h,然后用武火煮沸后改用文火继续煎煮35min,待煎煮结束后,将过滤后的药渣继续煎煮3次,然后合并药液,在转速为15000r/min下离心分离10min,制得提取液,其中冰片、荆芥、透骨草、土元、川芎、甘草和通草的质量比为10:9:8:8:6:9:5;
2)将壳聚糖加入到15倍量的乙酸溶液中,加热至50℃,搅拌溶解后制得壳聚糖溶液,然后加入1)中的提取液,在700W超声波下振荡分散20min,即可制得杀菌剂,其中乙酸溶液的浓度为5%,壳聚糖与提取液的质量体积比为1g:8ml。
作为优选,其中所述改性聚乳酸的制备方法如下:
1)将醋酸纤维素加入到丙酮溶液中,搅拌溶解后制得醋酸纤维素溶液,将乳酸加入到四氢呋喃溶液中,加热时60℃,搅拌溶解后通入氮气15min,然后升温至70℃,加入醋酸纤维素溶液和过氧化苯甲酰,恒温反应3h,其中,丙酮溶液中丙酮与水的体积比为1:4,醋酸纤维素和丙酮溶液的质量体积比为1g:15ml,四氢呋喃溶液中四氢呋喃和水的体积比为1:5,乳酸和四氢呋喃的质量体积比为1g:10ml,醋酸纤维素、乳酸和过氧化苯甲酰的质量比为20:30:3;
2)待反应结束后,将反应所得的溶液用95%的乙醇溶液洗涤,经过滤、干燥制得粗接枝共聚物,然后将粗接枝共聚物置于抽提器中,以丙酮作为溶剂,抽提15h,每小时回流5h,将抽提后的剩余物移至60℃烘箱中干燥至恒重,制得纯接枝共聚物,即为醋酸纤维素接枝聚乳酸共聚物,其中干燥的温度为70℃,干燥时间5h;
3)将乙基纤维素加入到乙醇溶液中,搅拌溶解后制得乙基纤维素溶液,然后与醋酸纤维素接枝聚乳酸共聚物混合后加入到密炼机中进行密炼,待密炼结束后取出产物,自然冷却后即可制得,其中,乙醇溶液浓度为80%,乙基纤维素、醋酸纤维素接枝聚乳酸共聚物和乙醇溶液的质量体积比为1g:2g:25ml,密炼机的温度为1180℃,转速设定为先以15r/min混合5min,然后再以70r/min混合5min即可。
作为优选,其中所述伤口愈合剂的制备方法如下:
1)将黄原胶加入到40倍量的蒸馏水中,搅拌溶解后制得黄原胶溶液,然后加入萘乙酸钠、梧宁霉素、杀菌剂,在转速为800r/min下搅拌20min,制得混合液;
2)将改性聚乳酸加入到20倍量的四氢呋喃溶液中,加热至85℃,在转速为600r/min下搅拌10min,然后降温至75℃,再加入1)中的混合液、柠檬酸钾和水杨酸,在转速为800r/min下继续搅拌15min,然后冷却至室温后即可制得伤口愈合剂,其中四氢呋喃溶液中,四氢呋喃的水的体积比为1:4。
对比例1:去除原料中的改性聚乳酸,其余与实施例1相同。
对比例2:去除萘乙酸钠和梧宁霉素,其余与实施例1相同。
对比例3:去除水杨酸和柠檬酸钾,其余与实施例1相同。
对比例4:去除杀菌剂,其余与实施例1相同。
试验例:选取某果园中苹果树进行修剪,修剪条件和树势基本一致,修剪后在果园中随机挑选8组果树进行试验,每组20课,分别使用实施例1-3和对比例1-4提供的愈合剂进行伤口涂抹处理,并且涂抹后的第二天开始没间隔3天对伤口处进行洒水,每个伤口处的洒水量为20ml,剩余的一组果树作为对照组不做处理,并记录数据如表一所示:
表一
从表一可以看出,本发明提供的愈合剂可以有效促进植物伤口的愈合,防止腐烂病的发生,而且在伤口处具有很好的粘接性和疏水性,可以减少雨水冲刷造成的流失,并且在同样的管理条件下有助于提高座果率。
以上所述,仅为本发明的具体实施方式,但本发明的保护范围并不局限于此,任何不经过创造性劳动想到的变换或替换,都应涵盖在本发明的保护范围内。

Claims (4)

1.一种用于植物的伤口愈合剂,其特征在于,按重量份组分如下:黄原胶15-20份、萘乙酸钠3-4份、梧宁霉素2-3份、杀菌剂1-3份、改性聚乳酸20-30份、柠檬酸钾2-3份、水杨酸3-4份。
2.如权利要求1所述的一种用于植物的伤口愈合剂,其特征在于,所述杀菌剂的制备方法如下:
1)将冰片、荆芥、透骨草、土元、川芎、甘草和通草混合后加入到30-40倍量的纯净水中,加热至45-50℃,恒温浸泡10-15h,然后用武火煮沸后改用文火继续煎煮30-35min,待煎煮结束后,将过滤后的药渣继续煎煮2-3次,然后合并药液,在转速为10000-15000r/min下离心分离10-15min,制得提取液,其中冰片、荆芥、透骨草、土元、川芎、甘草和通草的质量比为5-10:7-9:6-8:5-8:4-6:5-9:3-5;
2)将壳聚糖加入到10-15倍量的乙酸溶液中,加热至45-50℃,搅拌溶解后制得壳聚糖溶液,然后加入1)中的提取液,在500-700W超声波下振荡分散20-25min,即可制得杀菌剂,其中乙酸溶液的浓度为3-5%,壳聚糖与提取液的质量体积比为1g:5-8ml。
3.如权利要求1所述的一种用于植物的伤口愈合剂,其特征在于,所述改性聚乳酸的制备方法如下:
1)将醋酸纤维素加入到丙酮溶液中,搅拌溶解后制得醋酸纤维素溶液,将乳酸加入到四氢呋喃溶液中,加热时50-60℃,搅拌溶解后通入氮气10-15min,然后升温至65-70℃,加入醋酸纤维素溶液和过氧化苯甲酰,恒温反应3-5h,其中,丙酮溶液中丙酮与水的体积比为1:3-4,醋酸纤维素和丙酮溶液的质量体积比为1g:10-15ml,四氢呋喃溶液中四氢呋喃和水的体积比为1:4-5,乳酸和四氢呋喃的质量体积比为1g:5-10ml,醋酸纤维素、乳酸和过氧化苯甲酰的质量比为15-20:25-30:1-3;
2)待反应结束后,将反应所得的溶液用90-95%的乙醇溶液洗涤,经过滤、干燥制得粗接枝共聚物,然后将粗接枝共聚物置于抽提器中,以丙酮作为溶剂,抽提10-15h,每小时回流3-5h,将抽提后的剩余物移至50-60℃烘箱中干燥至恒重,制得纯接枝共聚物,即为醋酸纤维素接枝聚乳酸共聚物,其中干燥的温度为60-70℃,干燥时间5-8h;
3)将乙基纤维素加入到乙醇溶液中,搅拌溶解后制得乙基纤维素溶液,然后与醋酸纤维素接枝聚乳酸共聚物混合后加入到密炼机中进行密炼,待密炼结束后取出产物,自然冷却后即可制得,其中,乙醇溶液浓度为70-80%,乙基纤维素、醋酸纤维素接枝聚乳酸共聚物和乙醇溶液的质量体积比为1g:1.5-2g:20-25ml,密炼机的温度为150-180℃,转速设定为先以10-15r/min混合5min,然后再以50-70r/min混合5min即可。
4.如权利要求1所述的一种用于植物的伤口愈合剂,其特征在于,所述伤口愈合剂的制备方法如下:
1)将黄原胶加入到30-40倍量的蒸馏水中,搅拌溶解后制得黄原胶溶液,然后加入萘乙酸钠、梧宁霉素、杀菌剂,在转速为500-800r/min下搅拌20-30min,制得混合液;
2)将改性聚乳酸加入到15-20倍量的四氢呋喃溶液中,加热至80-85℃,在转速为500-600r/min下搅拌10-15min,然后降温至70-75℃,再加入1)中的混合液、柠檬酸钾和水杨酸,在转速为600-800r/min下继续搅拌15-20min,然后冷却至室温后即可制得伤口愈合剂,其中四氢呋喃溶液中,四氢呋喃的水的体积比为1:3-4。
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