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首页> 外文期刊>Research Journal of Applied Sciences: RJAS >Influence of Dry Heat Treatments (76?C) and Gibberellic Acid (GA3) on Seed Germination and Seedling Growth of Prosopis africana (Guill and Perr Taub) and Dialium guineensis (Wild)
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Influence of Dry Heat Treatments (76?C) and Gibberellic Acid (GA3) on Seed Germination and Seedling Growth of Prosopis africana (Guill and Perr Taub) and Dialium guineensis (Wild)

机译：干热处理（76？C）和赤霉素（GA3）对非洲象拟象（Guill and Perr Taub）和Dialium guineensis（Wild）种子萌发和幼苗生长的影响

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The seeds of Prosopis africana (Guill and Peer Taub) and Dialium guineensis (Wild) were investigated. The trees of these seeds were among many ones that are fast going into extinction due to reckless falling and annual bush burning with little regard for replanting. The seeds of this species have been found to be dormant while little regard for aforestation. The influence of dry heat treatments at 76?C and Gibberrellic acid (GA3) on seed germination and seedling growth were investigated. The dry heat oven treatments (76?C) gave maximum percentage 50-60% in P. africana seeds when subjected to about 8 h treatments within 15th-24th day of sowing. While minimum germination percentage for this treatment was 10% under 4 h treatments within 15th-24th days of sowing. The control experiment was 0% throughout. D. guineensis seeds at 76?C oven dry treatment was 40-45% as maximum within 15-24 days. The minimum germination was 5-10% under 15-24 days when treated for 4-8 h. The control showed no evidence of germination D. guineensis. The influence of these treatments were equally investigated on the seedling growth of this species. The treatment greatly enhanced the seed growth of P. africana especially the seedling height 30?2.0 cm and leaf number 15.0. But the seedling growth in D. guineensis plant were less enhanced. Seedling height 28?5.0 cm and 12.0 in leaf number. However, the treatments had significant effect (p<0.05) on the seedling development when compared with control. Seedling height in control was 6.0?0.0 cm and 4.2?1 for P. africana and D. guineensis, respectively. In control, the leaf area was 10?8.1 cm2 and 10?2.0 cm2 in D. guineensis. This showed that the investigation on seedling growths was better enhanced than control. The experimental design was the randomized block type. All data was subjected to Analysis of Variance (ANOVA). All laboratory experiments was in five replicates, while field experiment was in 3 replicates.
机译：研究了非洲象拟象（Guill and Peer Taub）和迪亚尼亚几内亚（Wild）的种子。这些种子的树木由于不计后果的掉落和一年生的灌木丛燃烧而很快灭绝，而很少考虑重新种植。已经发现该物种的种子处于休眠状态，而很少考虑造林。研究了在76？C的干热处理和赤霉素（GA3）对种子发芽和幼苗生长的影响。当在播种的第15-24天进行约8小时的处理时，干热烤箱处理（76？C）可以使非洲假单胞菌种子的最大百分含量为50-60％。在播种后第15至24天，在4 h处理下，该处理的最低发芽率为10％。整个对照实验为0％。 D. guineensis种子在76？C烘箱中干燥处理后的15-24天内最大收获率为40-45％。处理4-8小时后，在15-24天的最小萌发率为5-10％。对照没有显示出几内亚D. guineensis发芽的迹象。均等地研究了这些处理对该物种幼苗生长的影响。该处理极大地促进了非洲假单胞菌的种子生长，尤其是幼苗高30-2.0 cm，叶数15.0。但几内亚D. guineensis植物的幼苗生长没有得到增强。幼苗高28-5.0厘米，叶数12.0。然而，与对照相比，这些处理对幼苗的发育有显着的影响（p <0.05）。非洲对虾和豚鼠对照的幼苗高度分别为6.0？0.0 cm和4.2？1。在对照中，几内亚D. guineensis的叶面积为10？8.1 cm2和10？2.0 cm2。这表明对幼苗生长的研究比对照更好。实验设计是随机区组类型。所有数据均接受方差分析（ANOVA）。所有实验室实验均进行5次重复，而现场实验则进行3次重复。

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