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2021 ◽  
Author(s):  
Tristi Indah Dwi Kurnia ◽  
Achmadi Susilo

The objectives of this study were (1) to determine the composition of the types of horticultural plants used as constituents in the green open space of Taman Sritanjung Banyuwangi and (2) to determine the canopy stratification pattern of horticultural plants in the Green Open Space (GOS) of Taman Sritanjung Banyuwangi. The method of determining the location of the research used is the purposive method, namely GOS Taman Sritanjung Banyuwangi. The research data were obtained by using the line census method, namely all plants in GOS that followed the line were used as research samples. The data obtained were analyzed descriptively qualitatively. The results showed that (1) the composition of horticultural plants that make up of GOS consists of 33 types of plants with function as shade plant (5 types), absorbers pollutions (4 types), noise absorbing plant (4 types), wind breakers (6 types), plant barrier, guide and form of views (7 types), conservation plant, and cover crops (8 types), and (2) In terms of stratification, horticultural plants selected as constituents in Sritanjung Banyuwangi GOS can be grouped into Emergent Layers, Canopy Layers, Lower Canopy, Shrubs and Ground Cover.



2020 ◽  
Vol 7 (1) ◽  
pp. 9
Author(s):  
Susilawati Susilawati ◽  
Gusti Indriati

<em>Ant (Formicidae: Hymenoptera) is one of the dominant groups of insects and has significant biological and ecological properties. The presence of ants in coffee plantations plays an important role as it functions as a predator. The study aimed to investigate the effect of coffee plantation agroecosystem on the diversity and abundance of ant species. The study was conducted from February to June 2018 at Pakuwon Experimental Station. The coffee plants were divided into 4 groups, based on their locations and agroecosystems, where each group consisted of 4 observation plots. Ants sampling were taken from 15 sample plants in each plot.   Observation was conducted on ants found in the stems, leaves, twigs and fruits of coffee plants. The ants were taken for 5 to 10 minutes from each plant. The differences in coffee agroecosystem were  grouped based on location, altitude, coffee species, shade plant, and vegetation around the observation site. The study found 59 ant morphospecies with a total of 2,535 individuals. The dominant ant was Dolichoderus sp1. There were 4 ant species that were found in all four locations, namely Camponotus sp1., Crematogaster sp1., Dolichoderus sp1., Polyrhachis sp1. which are predatory. The analysis result showed that different coffee agroecosystem affects diversity and abundance of ants.</em>



2018 ◽  
Vol 8 (2) ◽  
pp. 59
Author(s):  
Wida Darwiati Jusuf ◽  
Illa Anggraeni

          Sengon has become one of the preferred tree because it has many advantages over other commercial tree species. It was widely cultivated with a monoculture system, like agricultural cultivation. The consequence of monoculture planting system was the unstable microclimate environment, so the ecosystem was susceptible to the pest and disease explosion. As happens at the Ciater plantation site, sengon plants were attacked by pests and diseases. The purpose of research were to study the extent data and intensity of boktor pests and tumor rust disease, boktor pest and bioecological behavior causing tumor rust on sengon as a protective and shade plant. The percentage and intensity of attacks caused by boktor pests and tumor rust disease was relatively high. The lowest percentage of boktor attacks was 40% and the highest was 90%. It could be categorized as serious severity, even dead plants. The percentage and intensity of the attacks indicated that the pests living on sengon could thrive in suitable food sources. Likewise with the percentage and intensity of attacks caused by rust disease has reached 100%, so it could be categorized as the level of damage was high.Keywords: boktor pests, intensity of attack, percentage, sengon, tumor rust disease . ABSTRAK          Sengon salah satu pohon yang memiliki banyak keunggulan dibandingkan jenis pohon lainnya dan banyak dibudidayakan secara luas dengan sistem monokultur seperti budidaya pertanian. Konsekuensi sistem tanam monokultur adalah lingkungan mikroklimat yang tidak stabil, sehingga ekosistemnya rentan terhadap hama dan penyakit. Tujuan dari penelitian ini, untuk memperoleh data luas dan intensitas serangan hama boktor dan penyakit karat tumor, perilaku hama boktor dan bioekologi penyebab penyakit karat tumor pada sengon. Metode yang digunakan adalah pengamatan visual setiap tegakan yang terserang oleh hama boktor dan penyakit karat tumor. Persentase dan intensitas serangan akibat hama dan penyakit ini relatif tinggi, untuk hama boktor persentase dan intensitas terendah 40% yang tertinggi 90%, sehingga dapat dikategorikan tingkat keparahan berat, bahkan ada tanaman yang mati. Persentase dan intensitas serangan tersebut menunjukkan bahwa hama yang hidup pada tegakan sengon berkembang dengan sumber makanan yang cocok. Begitu juga dengan persentase dan intensitas serangan akibat penyakit karat tumor sudah mencapai 100%, sehingga dapat dikategorikan tingkat keparahan yang tergolong berat. Kata Kunci : boktor, intensitas serangan, karat tumor, persentase serangan, sengon.



2015 ◽  
Vol 102 (4) ◽  
pp. 500-511 ◽  
Author(s):  
Chiou-Rong Sheue ◽  
Jian-Wei Liu ◽  
Jia-Fang Ho ◽  
Ai-Wen Yao ◽  
Yeh-Hua Wu ◽  
...  


2014 ◽  
Vol 556-562 ◽  
pp. 767-771
Author(s):  
Jin Duan ◽  
Hao Zhang ◽  
Fei Yong Liao

Longcha highway was a part of highway from Quanzhou city, Hujian province to Nanlin city, Guangxi Zhuang Autonomous Prefecture. Twelve color plants were used on the Longcha highway. In order to restore and form better landscape, photosynthetic and fluorescence habits of color plants were determined. Acer palmatum ‘Atropurpureum’ and Hedera helix ‘Variegatum’ were shade plant, growing well in the shade of the trees or side shading environment. Prunus cerasifera ‘Pissardii’, Euonymus japonicus ‘Variegata’ and Hedera helix ‘Variegatum’ were strong sun plant, growing better in intensity light. Other seven kinds of color plant could adapt the strong light environment, which was proved in the Longcha highway light environment. Arbor was used in the form of isolated planting and group planting in the slope. Shrub was used in the form of topiary tree and cover plant. Vine was used in the form of cover plant.



2007 ◽  
Vol 94 (12) ◽  
pp. 1922-1929 ◽  
Author(s):  
C.-R. Sheue ◽  
V. Sarafis ◽  
R. Kiew ◽  
H.-Y. Liu ◽  
A. Salino ◽  
...  
Keyword(s):  






HortScience ◽  
2002 ◽  
Vol 37 (1) ◽  
pp. 79-83 ◽  
Author(s):  
Todd J. Cavins ◽  
John M. Dole

Narcissus L. `Music Hall', N. `Tahiti', Tulipa L. `Couleur Cardinal', and T. `White Emperor' bulbs were precooled at 5 °C for 0 or 5 weeks and planted 15, 30, or 45 cm deep (from bulb base) into raised ground beds under 0%, 30%, or 60% shade. Plant growth was monitored for two consecutive years after planting. Precooling reduced the percentage of T. `White Emperor' that flowered but did not affect flowering percentage of the other cultivars. Precooling delayed anthesis in one or both years for all cultivars. The greatest percentage of bulbs flowered when planted 15 cm deep and the 45-cm planting depth reduced flowering percentage. Increasing planting depth delayed anthesis for all cultivars. Increasing shade increased stem lengths in one or both years for all cultivars, but did not influence flowering percentage. Perennialization was low for all cultivars regardless of treatment. Cultivar differences in perennialization occurred; in year 2 up to 30% of N. `Tahiti' bulbs flowered vs. 32% for `Music Hall' and up to 30% of T. `White Emperor' bulbs flowered vs. only 22% of `Couleur Cardinal'.



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