Vegetative Propagation of Azadirachta indica A. Juss (Neem) Through Cuttings: A Review

Gehlot, Ashok; Arya, Sarita; Arya, I. D.

doi:10.14583/2318-7670.v02n04a10

Cited by 6 publications

(5 citation statements)

References 18 publications

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“…NAS is noted to be at least threefold higher potent antioxidant and was needed at least 10‐fold lower quantities than MEL in exerting similar protective responses in animals 61 . We noted similar trend in native hazelnuts that withstand continental climate probably via NAS titers 17 . ROS, often accumulated in abiotic stress conditions such as cold, low light, and their combination (late fall conditions), or drought causes oxidative stress, and NAS with its higher antioxidant potential than MEL, was retained in higher titers even in the fruit samples of the combination treatment.…”

Section: Discussionsupporting

confidence: 59%

“…Until the recent past, our research has focused on the indoleamines serotonin (SER) and MEL in underpinning the mechanisms of stress resilience during micropropagation and conservation ecology 15,16 . TRP has been studied in various tissue culture, 17,18 controlled environment chambers, 19 and greenhouse conditions 12 to improve growth and other vital plant processes, but its effects or fate in relation to stress resilience has been understudied 15 . TRP metabolizes into tryptamine (TRM) 20,21 under the influence of tryptophan decarboxylase ( TDC ) 22,23 that is later converted into SER 16 modulated by tryptamine 5‐hydroxylase ( T5H ) 20,21,24 .…”

Section: Introductionmentioning

confidence: 99%

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Stable indoleamines attenuate stress—A novel paradigm in tryptophan metabolism in plants

Ayyanath,

Shukla,

Sriskantharajah

et al. 2024

Journal of Pineal Research

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Stability of metabolites in harsh environments such as drought, temperature, and light suggest their untapped potential in processes the plants utilize in mitigation of abiotic and biotic stresses. Such metabolites could be nonspecific to microorganisms, plants, or animals. Many of the indoleamines are ubiquitous throughout species and have been shown to mitigate a wide range of stresses. We tested the role of indoleamine metabolites via exogenous application of the precursor tryptophan (TRP) on strawberry due to the short reproductive life cycle and its temperate traits. Seasonal responses appeared to be perturbed with exogenous application of TRP as a combination of foliar (3 mg/L) and ground drench (100 mg/L) or ground drench only (100 mg/L). The treatment yielded growth stimulatory responses besides mitigating stress, that is, short photoperiod and cold temperature. Plants preparing into dormancy reverted to produce green foliage and flowers that set fruit in unfavorable climate in the month of November where the untreated plants senesced. Analyses of the endogenous indoleamines in flowers and fruits of the treated plants indicated that the titers and ratios of the metabolites NAS, 2‐hydroxymelatonin, and N(1)‐acetyl‐N(2)‐formyl‐5‐methoxykynuramine assisted in the stress mitigation. The ASMT and M2H gene regulations emphasized the stability of intermediate metabolites of TRP. The TDC and T5H regulation explained the detection of a rare to find compound, 5‐hydroxytryptophan, in strawberry. This is the first report on detection of eight indoleamines in strawberry alongside the regulatory genes in the indoleamine pathway. Inclining climate crisis demands climate‐resilient plants in quick time and the indoleamine toolkit may offer the opportunity to develop simple and effective practices to manage stress tolerance in plants.

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Section: Discussionsupporting

confidence: 59%

Section: Introductionmentioning

confidence: 99%

Stable indoleamines attenuate stress—A novel paradigm in tryptophan metabolism in plants

Ayyanath,

Shukla,

Sriskantharajah

et al. 2024

Journal of Pineal Research

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“…Hal ini didukung oleh komposisi kimia yang berbeda dari setek bagian pangkal, tengah dan ujung batang pada setek daun Afrika (V. amygdalina) yang menunjukkan adanya tingkat akumulasi cadangan makanan berupa kabohidrat dan nitrogen, kedua cadangan makanan tersebut dapat mendukung pertumbuhan pada bagian tajuk dan akar serta menentukan pertumbuhan dan perkembangan bibit. Gehlot et al (2014) dan Hartmann et al (2002)…”

Section: Kandungan Pigmen Daununclassified

Respon Pertumbuhan Setek Batang Daun Afrika (Vernonia amygdalina) dengan Penggunaan Bagian Batang dan Media Tanam

Marufah

Aziz

2019

AGROB

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Daun Afrika (Vernonia amygdalina) merupakan tanaman obat yang telah banyak dimanfaatkan untuk mengobati penyakit Diabetes Mellitus, akan tetapi belum ada penelitian tentang budi dayanya. Penelitian ini bertujuan untuk mengetahui respon pertumbuhan setek batang daun Afrika (Vernonia amygdalina) dengan penggunaan bagian batang dan jenis media tanam. Penelitian telah dilaksanakan pada bulan Januari sampai Juni 2017 di Kebun Percobaan Cikabayan dan Laboratorium Pascapanen, Departemen Agronomi dan Hortikultura, Insitut Pertanian Bogor. Rancangan yang digunakan yaitu Rancangan Kelompok Lengkap Teracak (RKLT) dengan dua faktor dan tiga ulangan. Faktor pertama yaitu bagian batang terdiri dari bagian ujung, tengah dan pangkal dari cabang tanaman. Faktor kedua yaitu media tanam terdiri dari campuran media tanah, arang sekam (1:1) v/v, campuran tanah, arang sekam, pupuk kandang sapi (1:1:1) v/v, campuran tanah, arang sekam, kascing (1:1:1) v/v. Hasil penelitian menunjukkan bahwa bagian batang terbaik yaitu bagian pangkal dan tengah batang. Interaksi bagian pangkal batang dengan campuran tanah, arang sekam, pupuk kandang sapi (1:1:1) v/v dan campuran tanah, arang sekam, kascing (1:1:1) v/v, dan bagian tengah batang dengan semua perlakuan media tanam yang sangat nyata meningkatkan tinggi tanaman, jumlah daun, jumlah cabang, bobot basah batang dan bobot basah daun.

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“…Gehlot et al (2014) stated that aeration in sand medium plays a very significant role in number of root initiation and as well as on root elongation. Three replications with 10 cuttings per replicate were planted for each treatment and were watered twice daily.…”

Section: Rooting Media and Experimental Designmentioning

confidence: 99%

VEGETATIVE PROPAGATION AND INITIAL GROWTH PERFORMANCE OF Streblus asper LOUR. – A TROPICAL MEDICINAL TREE

Nagalakshmi¹,

Vishwanath²,

Prasanna³

2018

JEBAS

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Vegetative propagation of Streblus asper, an important medicinal plant, was studied for efficient rooting using different concentrations of auxins and non auxinic Boric acid. Semi hard wood cuttings of 0.9 -1.2 cm diameter from mature plants were collected and treated for 24 hours in liquid formulations of 10 ppm, 50 ppm, 100 ppm and 200 ppm concentrations of IBA, IAA, NAA and 50 ppm, 150 ppm, 250 ppm and 350 ppm of Boric acid individually and in combination. Results of the study revealed significant effect (p<0.05) of IBA and B combination on rooting and survival percentage and found that 10 ppm and 50 ppm IBA with 250 ppm of Boric acid induced highest root number and length and significant steckling capacity with high number of shoots than the other treatments and control. The study explores the scope of clonal propagation of S. asper by mature stem cuttings thus providing material for conservation of a selected clone.

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Vegetative Propagation of Azadirachta indica A. Juss (Neem) Through Cuttings: A Review

Cited by 6 publications

References 18 publications

Stable indoleamines attenuate stress—A novel paradigm in tryptophan metabolism in plants

Stable indoleamines attenuate stress—A novel paradigm in tryptophan metabolism in plants

Respon Pertumbuhan Setek Batang Daun Afrika (Vernonia amygdalina) dengan Penggunaan Bagian Batang dan Media Tanam

VEGETATIVE PROPAGATION AND INITIAL GROWTH PERFORMANCE OF Streblus asper LOUR. – A TROPICAL MEDICINAL TREE

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