哈密瓜无土育苗专用营养液用量研究
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摘要
目的:在改进的园试营养液配方基础上,采用不同剂量营养液研究其对哈密瓜苗期生长的影响。方法:设计H1至H6共6种不同剂量(齐量分别为0.2、0.6、1.0、1.4、1.8、2.2)营养液处理,观测其对哈密瓜苗茎粗、株高、鲜重干重、叶绿素含量以及壮苗指数的影响。结果:在一定的剂量范围内,随着剂量的增加,哈密瓜苗各项生长指标均有增加的趋势,当剂量为H5(1.8)时,哈密瓜苗重干达最大值,为空白对照处理组的6.4倍;继续增加剂量到H6(2.2)时,哈密瓜苗干重是空白对照组的5.4倍,干物质积累呈下降趋势。结论:综合各项生长指标,在进行哈密瓜无土育苗时,使用1.8个剂量的营养液较为适宜。
Objective:Based on the improved garden nutrient solution formula, different doses were used to investigate the effect of nutrient solution concentration on the growth of hami melon seedlings. Methods: Six different doses from H1 to H6(0.2, 0.6, 1.0, 1.4, 1.8, 2.2, respectivly) of nutrient solution were used to treat hami melon seedlings, and the effects on the stem diameter, plant height, fresh weight, chlorophyll content and seedling index of hami melon seedlings were observed. Results: The results showed that, within a certain dose range, with the increase of the dose, all the growth indexes of hami melon seedlings showed an increasing trend. When the dose was H5(1.8), the seedling dry weight of hami melon reached the maximum value, which was 6.4 times of the control treatment. When the dose continued to increase to H6(2.2), the dry weight of hami melon seedlings was 5.4 times that of the control, and the dry matter accumulation showed a downward trend. Conclusion: In combination with various growth indicators, it is more appropriate to use 1.8 doses of improved garden nutrient solution when carrying out hami melon soilless seedlings.
Objective:Based on the improved garden nutrient solution formula, different doses were used to investigate the effect of nutrient solution concentration on the growth of hami melon seedlings. Methods: Six different doses from H1 to H6(0.2, 0.6, 1.0, 1.4, 1.8, 2.2, respectivly) of nutrient solution were used to treat hami melon seedlings, and the effects on the stem diameter, plant height, fresh weight, chlorophyll content and seedling index of hami melon seedlings were observed. Results: The results showed that, within a certain dose range, with the increase of the dose, all the growth indexes of hami melon seedlings showed an increasing trend. When the dose was H5(1.8), the seedling dry weight of hami melon reached the maximum value, which was 6.4 times of the control treatment. When the dose continued to increase to H6(2.2), the dry weight of hami melon seedlings was 5.4 times that of the control, and the dry matter accumulation showed a downward trend. Conclusion: In combination with various growth indicators, it is more appropriate to use 1.8 doses of improved garden nutrient solution when carrying out hami melon soilless seedlings.
引文
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[3] 盛慧,陈柏杰,金荣荣,等.三倍体薄皮甜瓜高效再生体系和遗传转化体系的建立[J].内蒙古农业大学学报(自然科学版),2017,38(6):12-17.
[4] 曾志杰,叶文飚,李传勇.台湾哈密瓜营养液栽培的生育特性[J].亚热带植物科学,2002(4):9-12.
[5] 方宏建,杨培柱.江淮地区哈密瓜高效栽培关键技术[J].长江蔬菜,2017(23):28-29.
[6] 陈树林.哈密瓜的无土栽培技术[J].蔬菜,2014(8):37-38.
[7] 伊鸿平,吴明珠,冯炯鑫,等.哈密瓜有机生态型无土栽培技术研究[J].中国西瓜甜瓜,2000(2):2-4.
[8] 曹亮亮.不同基质和穴盘规格对甜瓜穴盘苗生长的影响[D].杭州:浙江大学,2013.
[9] 李淑艳,赵彩芹.棚室甜瓜栽培技术要点[J].河北农业科技,2008(11):11.
[10] 高日,岳园园,徐亚男,等.黄檗试管苗水培瓶外生根的研究[J].延边大学农学学报,2018,40(3):57-61.
[11] 郭伟,马倩,于立河.不同作物根系分泌物对芸豆碳氮代谢及抗氧化酶活性的影响[J].黑龙江八一农垦大学学报,2018,30(4):6-11.
[12] 李孝良,汪建飞,于群英,等.营养条件对无土栽培西葫芦产量和品质的影响[J].安徽技术师范学院学报,2004(5):21-23.