Morphological assessment of water stressed sugarcane: A comparison of waterlogged and drought affected crop

Misra, Varucha; Solomon, S.; Mall, A. K.; Prajapati, C. P.; Hashem, Abeer; Ansari, Mohammad Israil

doi:10.1016/j.sjbs.2020.02.007

Cited by 60 publications

(33 citation statements)

References 46 publications

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“…The decrease of plant height is mainly due to decreased cell expansion, increased leaf shedding and impaired mitosis under drought conditions. Some studies have reported that plant height of lily [3], maize [4], cane [5] and rice [6] decreased significantly under drought stress. In addition to the changes in plant height, different organs of plants also differ significantly in morphology.…”

Section: Drought Stress and The External Form Of Plantsmentioning

confidence: 99%

“…Furthermore, Maclura pomifera [11], Oryza sativa [6], Triticum aestivum [12], Lens culinaris [13], Dracocephalum moldavica [14] all showed obvious decrease in leaf area under drought stress. However, different plants have different responses to drought stress, such as sugercane leaves showed marginal elongation under drought stress [5]. Another easily observed leaf morphology phenomenon is leaf rolling, for the loss of the potential pressure due to water loss from the upper epidermis of leaf when plants are short of water.…”

Section: Drought Stress and The External Form Of Plantsmentioning

confidence: 99%

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A Review on Response Mechanism of Plants to Drought Stress

Yang¹,

Lu²,

Wang³

et al. 2021

Preprint

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With the global climate anomalies and the destruction of ecological balance, water shortage has become a serious ecological problem facing all mankind, and drought has become a key factor restricting the development of agricultural production. Therefore, it is essential to study the drought tolerance of crops. On the basis of previous studies, we reviewed the effects of drought stress on plant morphology and physiology, including the changes of external morphology and internal structure of root, stem and leaf, the effects of drought stress on osmotic regulation sub-stances, drought-induced proteins and active oxygen metabolism of plants. In this paper, the main drought stress signals and signal transduction pathways in plants are described, and the functional genes and regulatory genes related to drought stress are listed respectively. We summarize the above aspects in order to provide valuable background knowledge and theoret-ical basis for future agriculture and forestry breeding and cultivation.

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Section: Drought Stress and The External Form Of Plantsmentioning

confidence: 99%

Section: Drought Stress and The External Form Of Plantsmentioning

confidence: 99%

A Review on Response Mechanism of Plants to Drought Stress

Yang¹,

Lu²,

Wang³

et al. 2021

Preprint

View full text Add to dashboard Cite

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“…Both drought and waterlogging are detrimental for cane growth, and can reduce yield by up to 60% and 18–64% respectively, depending on the cultivars, duration of stress and plant growth stage (Zhao and Li 2015 ; Hussain et al 2018 ). Misra et al ( 2020 ) compared morphological losses in sugarcane subjected to drought versus waterlogging and found higher losses under water deficits. Drought reduces cane length, stalk diameter, leaf area, biomass accumulation, cane weight and sugar yield (Dinh et al 2018 ; Misra et al 2020 ).…”

Section: Impacts Of Climate Change On Some Major Pacific Crops and Brmentioning

confidence: 99%

“…Misra et al ( 2020 ) compared morphological losses in sugarcane subjected to drought versus waterlogging and found higher losses under water deficits. Drought reduces cane length, stalk diameter, leaf area, biomass accumulation, cane weight and sugar yield (Dinh et al 2018 ; Misra et al 2020 ). In Fiji, sugar production stood at 5,16,529 tons in 1994 due to favourable weather conditions which reduced by 47, 50, and 43% respectively in the years 1997, 1998, and 2003, compared to the production in 1994 due to drought (Zhao and Li 2015 ).…”

Section: Impacts Of Climate Change On Some Major Pacific Crops and Brmentioning

confidence: 99%

Unlocking the inherent potential of plant genetic resources: food security and climate adaptation strategy in Fiji and the Pacific

Palanivel

Shah

2021

Environ Dev Sustain

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Pacific Island Countries (PICs) are the center of origin and diversity for several root, fruit and nut crops, which are indispensable for food security, rural livelihoods, and cultural identity of local communities. However, declining genetic diversity of traditional food crops and high vulnerability to climate change are major impediments for maintaining agricultural productivity. Limited initiatives to achieve food self-sufficiency and utilization of Plant Genetic Resources (PGR) for enhancing resilience of agro-ecosystems are other serious constraints. This review focuses on the visible and anticipated impacts of climate ge, on major food and tree crops in agriculture and agroforestry systems in the PICs. We argue that crop improvement through plant breeding is a viable strategy to enhance food security and climatic resilience in the region. The exploitation of adaptive traits: abiotic and biotic stress tolerance, yield and nutritional efficiency, is imperative in a world threatened by climatic extremes. However, the insular constraints of Fiji and other small PICs are major limitations for the utilization of PGR through high throughput techniques which are also cost prohibitive. Crop Improvement programs should instead focus on the identification, conservation, documentation and dissemination of information on unique landraces, community seed banks, introduction of new resistant genotypes, and sustaining and enhancing allelic diversity.

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“…Pada kondisi stres air terjadi penurunan bobot kering akar 55,2%, bagian atas tanaman 32,2% dan total bobot kering 49% (Medeiros et al, 2013), panjang akar 20, 97-42,5% (Chaum et al, 2012), bobot kering akar 16,99%, tinggi tanaman dan diameter batang masing-masing 18,28% dan 7,52%, penurunan parameter morfologi lebih tinggi pada kondisi kekeringan dibanding kelebihan air (Misra et al, 2020).…”

Section: Hasil Dan Pembahasanunclassified

Uji Ketahanan Klon-klon Harapan Tebu terhadap Kekeringan

Riajaya¹,

Djumali²,

Heliyanto³

2020

Bul. Tan. Tembakau, Serat & Minyak Industri

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Pengembangan tebu di lahan kering harus didukung oleh ketersediaan varietas tebu tahan kering dan rendemen yang tinggi. Penelitian bertujuan untuk mengetahui tingkat ketahanan klon-klon harapan tebu terhadap kekeringan, dilaksanakan di rumah kaca menggunakan benih budchip yang ditanam di dalam pot mulai Juni sampai Desember 2018. Perlakuan disusun dalam Rancangan Petak Terbagi dengan tiga ulangan. Petak utama terdiri dari tiga perlakuan kekeringan, yaitu kadar air tanah (KAT) tersedia dipertahankan 40% (kisaran 38-43%), 70% (68-73%) dan 100% (95-100%) mulai tanaman berumur 1-4 bulan setelah tanam. Anak petak terdiri dari 13 klon harapan tebu yang mempunyai tipe kemasakan awal-awal tengah dan satu varietas pembanding (PS 881). Hasil penelitian menunjukkan tingkat ketahanan klon-klon harapan tebu sangat rentan sampai sangat toleran terhadap kekeringan. Sebanyak sembilan klon dengan tingkat ketahanan terhadap kekeringan lebih baik dibanding varietas pembanding PS 881 (rentan) yaitu MLG 26, MLG 12, MLG 55, dan MLG 11 (moderat), MLG 24 (toleran), MLG 9, MLG 14, MLG 4, dan MLG 49 (sangat toleran). Terdapat tiga klon dengan tingkat ketahanan terhadap kekeringan sama dengan varietas pembanding, yaitu MLG 38, MLG 5, dan MLG 52 (rentan), serta satu klon (MLG 56) tergolong sangat rentan. Kata kunci: tebu, ketahanan terhadap kekeringan, klon harapan

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Morphological assessment of water stressed sugarcane: A comparison of waterlogged and drought affected crop

Cited by 60 publications

References 46 publications

A Review on Response Mechanism of Plants to Drought Stress

A Review on Response Mechanism of Plants to Drought Stress

Unlocking the inherent potential of plant genetic resources: food security and climate adaptation strategy in Fiji and the Pacific

Uji Ketahanan Klon-klon Harapan Tebu terhadap Kekeringan

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