滨芋叶提取物对辣椒（Capsicum annuum）同翅目蚜虫传播的影响

Q4 Biochemistry, Genetics and Molecular Biology

International Journal of Biology and Biomedical Engineering Pub Date : 2020-12-24 DOI:10.46300/91011.2020.14.31

Achmadi Susilo, D. Haryanta, Tatuk Tojibatus Sa’adah

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引用次数: 0

摘要

辣椒种植中的威胁之一是蚜虫的攻击。本研究旨在确定滨芋头/（Cerbera manghas）叶提取物作为生物农药喷洒对辣椒植株蚜虫传播模式的影响。实验方法参考了Painter电阻测试（Painter，1951）。因子I处理的因子实验是滨芋叶提取物的浓度，有六个水平，即0.0%的浓度；2.5%浓度；5.0%浓度；7.5%浓度；10.0%浓度；因子II处理是喷洒频率，即F1每周喷洒一次（周日），F2每周喷洒两次（周日和周三）。总共有12种治疗组合。实验单元是一个塑料袋，每个塑料袋种植一根辣椒茎，因此需要60个植物塑料袋，在有其他动物在场的情况下，用蚊帐覆盖，在受控的田地里进行。蚊帐的盖子里面长满了辣椒，这些辣椒被蚜虫攻击。每个容器/盖子（每个实验组）的一个被蚜虫攻击的植物茎的接种物来源。每两天或喷洒前观察一次传播到处理植物的昆虫数量，而在实验结束时观察对植物的损害。结果表明，有两种类型的蚜虫攻击接种源植物，即烟粉虱（Bemesia tabaci）和棉蚜（Aphid），并以黑蚂蚁（Dolichoderus thoracicus Smith）的形式存在共生体。感染后一天开始传播。三种昆虫在每次处理中的种群密度显著不同，处理浓度与滨芋叶提取物喷洒频率之间存在相互作用，但密度从一次观察到下一次观察并不一致。植物损伤发生在所有植物中，喷洒的频率可以减少对辣椒植物的损伤。

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The Effect of Bintaro (Cerbera manghas) Leaf Extract on Transmission of Aphids (Homoptera) in Chili (Capsicum annuum) Plants

One of the threats in the cultivation of chili is the presence of aphids attack.The study aims to determine the effect of bintaro / (Cerbera manghas)leaf extract spraying as a bio-pesticide on the transmission patterns of aphids in chili plants.The experimental method refers to the Painter resistance test(Painter, 1951). Factorial experiment with factor I treatment was the concentration of bintaro leaf extract with six levels namely 0.0% concentration; 2.5%concentration; 5.0%concentration; 7.5%concentration; 10.0%concentration; and 12.5%concentration. Factor II treatment was the frequency of spraying namely F1 sprayed once a week (sunday), and F2 is sprayed twice a week (Sunday and Wednesday). Overall there are 12 treatment combinations. The experimental unit is a polybag planted by one stem of chili per polybag so that it requires 60 plant polybags, carried out in a controlled field from the presence of other animals by covering it with a mosquito net. In the inside of the lid of mosquito net is infested with chili plants which are attacked by aphids. Source of inoculum of one plant stem attacked by aphids for each containment/lid (each experimental group).The number of insects that transmitted to the treatment plants was observed every two days or before spraying, while the damage to plants at the end of the experiment. The results showed that there were two types of aphids that attacked the inoculum source plant namely Bemesia tabaci (whitefly) and Aphis gossypii (Aphid) and there were symbionts in the form of black ants (Dolichoderus thoracicus Smith). Transmission occurs since one day after infestation. Population density of the three insect species in each treatment was significantly different, there was an interaction between treatment concentrations with the frequency of bintaro leaf extract spraying, but the density was not consistent from one observation to the next. Plant damage occurs in all plants and the frequency of spraying can reduce damage to the chili plants.

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International Journal of Biology and Biomedical Engineering Biochemistry, Genetics and Molecular Biology-Biochemistry, Genetics and Molecular Biology (all)

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