Morphological, anatomical and physiological responses of Campylotropis polyantha (Franch.) Schindl. seedlings to progressive water stress

Li, Fanglan; Bao, Weikai; Wu, Ning

doi:10.1016/j.scienta.2010.10.017

Cited by 47 publications

(43 citation statements)

References 37 publications

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“…On the other hand, the carotenoids contents tended to decrease under waterlogging and moderate drought (W50) stresses, but slightly increase under severe drought stress (W25). Increase of carotenoids content was also reported in drought stressed Campylotropics polyantha (Li et al, 2011). Carotenoids have essential functions in photosynthesis and photo-protection.…”

Section: Stomatal Density Pigments and Proline Contentsmentioning

confidence: 61%

“…Total biomass is the sum of above-ground and below-ground biomass. Root-shoot ratio and specific leaf area was calculated using the following formula Li et al (2011).…”

Section: Measurement Of Seedling Growth Characteristics and Biomass Pmentioning

confidence: 99%

“…Relative water content was determined gravimetrically on the selected leaves from the mid-canopy position following method of Li et al (2011). Stomatal density was measured using a nail polish impression of the abaxial surface of the first fully developed leaf harvested at the end of the treatments and counted under a light microscope in three random fields per leaf at ×40 magnification.…”

Section: Measurement Of Relative Water Content Stomatal Density and mentioning

confidence: 99%

“…Water deficits reduce the number of leaves per plant, and individual leaf size, and leaf longevity by decreasing the soil's water potential. Generally, when water availability is limited, the root-shoot ratio of plants increases because roots become less sensitive than shoots to growth inhibitor that is low water potentials (Li et al, 2011).…”

Section: Growth Characteristics and Biomass Productionmentioning

confidence: 99%

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ADAPTABILITY OF WHITE JABON (Anthocephalus cadamba MIQ.) SEEDLING FROM 12 POPULATIONS TO DROUGHT AND WATERLOGGING

Sudrajat¹,

Khumaida²,

Siregar³

et al. 2015

Agrivita.J.Agr.Sci

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The study was carried out for investigation of the adaptability of white jabon seedlings from 12 populations to drought and water logging stresses in a controlled green house. The results showed that the adaptive responses of white jabon seedling to drought and waterlogging stresses were affected by genotype (population). The drought and waterlogging stresses significantly inhibited plant growth, biomass accumulation and allocation, leaf area, also decreased chlorophyll content, increased carotenoids contents, and accumulated free proline. Relative water content and specific leaf area tended to be higher in waterlogging and declined in drought stresses. The result clearly indicated that white jabon seedlings were more adaptive to waterlogging than to drought stresses. Moreover, there were different responses to drought and waterlogging stresses between the twelve populations. Kampar, Gowa, Kuala Kencana and OKI populations exhibited higher growth performance and stress tolerance index to be adapted to waterlogging stress, while Gowa, Pomalaa and Kampar populations had relatively better growth performance in the drought stress.

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Section: Stomatal Density Pigments and Proline Contentsmentioning

confidence: 61%

“…Total biomass is the sum of above-ground and below-ground biomass. Root-shoot ratio and specific leaf area was calculated using the following formula Li et al (2011).…”

Section: Measurement Of Seedling Growth Characteristics and Biomass Pmentioning

confidence: 99%

Section: Measurement Of Relative Water Content Stomatal Density and mentioning

confidence: 99%

Section: Growth Characteristics and Biomass Productionmentioning

confidence: 99%

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ADAPTABILITY OF WHITE JABON (Anthocephalus cadamba MIQ.) SEEDLING FROM 12 POPULATIONS TO DROUGHT AND WATERLOGGING

Sudrajat¹,

Khumaida²,

Siregar³

et al. 2015

Agrivita.J.Agr.Sci

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“…Beberapa hasil penelitian yang berkaitan dengan dampak cekaman pada tanaman telah banyak dilaporkan, baik dari kelompok tanaman angiospermae maupun gymnospermae. Adanya kondisi cekaman air baik kekeringan maupun genangan pada tanaman dapat menyebabkan adanya pengaruh terhadap proses fisiologi, morphologi serta biokimia (Cernusak et al, 2007;Chaves et al, 2008;Cordeiro et al, 2009;Ditmarova et al 2009;Yang & Miao 2010;Li et al, 2011;Xioling et al, 2011). Pemanfaatan jenis-jenis potensial seperti bambang lanang untuk dikembangkan di hutan tanaman menjadi pilihan untuk mengantisipasi kondisi di lahan ekstrim, namun informasi kemampuan adaptasi dari jenis ini masih terbatas.…”

Section: Pendahuluanunclassified

RESPON PERTUMBUHAN BIBIT BAMBANG LANANG ( L.) Michelia champaca TERHADAP CEKAMAN

Bramasto¹,

Rustam²,

Megawati³

et al. 2015

Jur.pen.hut.tanaman

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ABSTRAKPerubahan iklim menyebabkan sebagian lahan di Indonesia menjadi tergenang ataupun kekeringan. Salah satu bentuk mitigasi yang dapat dilakukan adalah mengetahui jenis-jenis tanaman yang mampu tumbuh pada kondisi cekaman tergenang atau kekeringan. Informasi tentang kemampuan tumbuh bambang lanang pada berbagai kondisi cekaman masih sangat kurang. Penelitian ini bertujuan untuk mengetahui respon pertumbuhan bibit bambang lanang pada kondisi cekaman tergenang dan kekeringan. Rancangan penelitian yang digunakan adalah rancangan faktorial dalam acak lengkap. Hasil penelitian menunjukkan bahwa bibit bambang lanang sampai umur empat minggu, peka terhadap perlakuan kekeringan ataupun genangan. Kematian pada bibit terlihat dari nilai indeks sensitivitas untuk respon diameter (IS = 1,089-1,155) dan persen tumbuh (IS = 1,318). Secara umum mekanisme toleran terhadap cekaman belum terlihat pada tingkat bibit sampai umur empat minggu.

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Linking leaf hydraulic properties, photosynthetic rates, and leaf lifespan in xerophytic species: a test of global hypotheses

McCulloh

Sun

et al. 2018

American J of Botany

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Leaf venation and its hierarchal traits are crucial to the hydraulic and mechanical properties of leaves, reflecting plant life-history strategies. However, there is an extremely limited understanding of how variation in leaf hydraulics affects the leaf economic spectrum (LES) or whether venation correlates more strongly with hydraulic conductance or biomechanical support among hierarchal orders. METHODS: We examined correlations of leaf hydraulics, indicated by vein density, conduit diameter, and stomatal density with light-saturated photosynthetic rates, leaf lifespan (LLS), and leaf morpho-anatomical traits of 39 xerophytic species grown in a common garden. KEY RESULTS: We found positive relationships between light-saturated, area-based photosynthetic rates, and vein densities, regardless of vein orders. Densities of leaf veins had positive correlations with stomatal density. We also found positive relationships between LLS and vein densities. Leaf area was negatively correlated with the density of major veins but not with minor veins. Most anatomical traits were not related to vein densities. CONCLUSIONS: We developed a network diagram of the correlations among leaf hydraulics and leaf economics, which suggests functional trade-offs between hydraulic costs and lifetime carbon gain. Leaf hydraulics efficiency and carbon assimilation were coupled across species. Vein construction costs directly coordinated with the LLS. Our findings indicate that hierarchal orders of leaf veins did not differ in the strength of their correlations between hydraulic conductance and biomechanical support. These findings clarify how leaf hydraulics contributes to the LES and provide new insight into life-history strategies of these xerophytic species.

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Morphological, anatomical and physiological responses of Campylotropis polyantha (Franch.) Schindl. seedlings to progressive water stress

Cited by 47 publications

References 37 publications

ADAPTABILITY OF WHITE JABON (Anthocephalus cadamba MIQ.) SEEDLING FROM 12 POPULATIONS TO DROUGHT AND WATERLOGGING

ADAPTABILITY OF WHITE JABON (Anthocephalus cadamba MIQ.) SEEDLING FROM 12 POPULATIONS TO DROUGHT AND WATERLOGGING

RESPON PERTUMBUHAN BIBIT BAMBANG LANANG ( L.) Michelia champaca TERHADAP CEKAMAN

Linking leaf hydraulic properties, photosynthetic rates, and leaf lifespan in xerophytic species: a test of global hypotheses

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