scholarly journals KETAHANAN TANAMAN TERONG (Solanum melongena L.) HASIL INDUKSI POLIPLOIDISASI DENGAN EKSTRAK UMBI KEMBANG SUNGSANG (Gloriosa superba L.) TERHADAP JAMUR Colletotrichum capsici (Syd.) Butler & Bisby

2013 ◽  
Vol 1 (2) ◽  
pp. 103-108
Author(s):  
Mulya Sari ◽  
Eti Ernawiati ◽  
Rochmah Agustrina ◽  
Yulianty Yulianty

Tujuan penelitian ini adalah memperoleh konsentrasi ekstrak umbi kembang sungsang (Gloriosa superba) yang optimum untuk menghambat perkembangan jamur Colietotrichum capsici dan memperoleh kultivar tanaman terong (Solanum melongena) yang tahan terhadap penyakit antraknosa. Penelitian dilakukan di Laboratorium Botani, Jurusan Biologi, Fakultas Matematika dan Ilmu Pengetahuan Alam, Universitas Lampung menggunakan Rancangan Acak Kelompok (RAK) yang terdiri dari 2 faktor dan 3 ulangan. Faktor pertama, konsentrasi ekstrak (A): 25%, 50%, dan 75%. Faktor kedua, kultivar terong (B): Wulung, Pahala dan Patria. Parameter pengamatan meliputi persentase kerusakan daun, tinggi tanaman, berat basah dan berat kering tanaman terong. Hasil percobaan menunjukkan bahwa ekstrak umbi kembang sungsang berpengaruh terhadap persentase kerusakan daun, tinggi tanaman, berat basah dan berat kering tanaman terong. Secara keseluruhan kombinasi perlakuan yang optimum untuk menekan perkembangan jamur C. capsici adalah konsentrasi 50% pada kultivar Wulung.

Planta Medica ◽  
2011 ◽  
Vol 77 (05) ◽  
Author(s):  
JRA Gomes ◽  
KSS Sugathadasa ◽  
LP Jayatissa ◽  
R Samarasekera

Planta Medica ◽  
2012 ◽  
Vol 78 (11) ◽  
Author(s):  
G Sivakumar
Keyword(s):  

2011 ◽  
Vol 4 (8) ◽  
pp. 1-3
Author(s):  
S. AYYANAR S. AYYANAR ◽  
◽  
Dr. M. A. K. Pillai Dr. M. A. K. Pillai ◽  
Dr. N. Murugesan Dr. N. Murugesan

2012 ◽  
Vol 2 (6) ◽  
pp. 127-128
Author(s):  
Dr.B.Vanitha Dr.B.Vanitha ◽  
◽  
P. Manimalathi P. Manimalathi
Keyword(s):  

Author(s):  
Arun Kumar P. ◽  
Elangaimannan R.

The study was conducted to evolve Gloriosa superba for yield characters and alkalodi content for selecting elite genotypes for comercial exploitatio n. The genotypes were sowm in Variyankaval village, Udayarpalayam taluk of Ariyalur district, Tamil Nadu. The highest mean value for fresh and dry seed yield was observed in Chittor local. The genotype Mulanur local has recorded the highest mean value for number of pods per plant and number of seeds per pod and Arupukotai local excelled the general mean for the traits seeds per pod, fresh and dry seed yield and also for tuber characters. An investigation was carried out to quantify the colchicine (alkaloid) present in tubers by High Performance Liquid Chromatography (HPLC) method. The genotypes collected from Arupukotai recorded the highest colchicine content (0.760 mg/g) followed by Chittoor (0.578 mg/g) and Mulanur (0.496 mg/g) and there by these three genotypes were utilized for further crop improvement.


2020 ◽  
Vol 52 (6) ◽  
Author(s):  
Sher Wali ◽  
Siraj Uddin ◽  
Muhammad Junaid ◽  
Gulzad Ahmad ◽  
Fazli Rahim

2021 ◽  
Vol 11 (1) ◽  
Author(s):  
Xiaohui Liu ◽  
Aidong Zhang ◽  
Jing Shang ◽  
Zongwen Zhu ◽  
Ye Li ◽  
...  

AbstractEnzymatic browning is one of the crucial problems compromising the flavor and texture of fresh-cut fruit and vegetables. In this study, an untargeted metabolomics approach based on liquid chromatography-mass spectrometry (LC–MS) was used to explore the browning mechanism in fresh-cut eggplant. Metabolomics studies showed that with the increase of fresh-cut time, the contents of 946 metabolites changed dynamically. The metabolites having the same trend share common metabolic pathways. As an important browning substrate, the content of chlorogenic acid increased significantly, suggesting that may be more important to fresh-cut eggplant browning; all 119 common differential metabolites in 5 min/CK and 3 min/CK contrastive groups were mapped onto 31 KEGG pathways including phenylpropanol metabolism, glutathione metabolism pathway, et al. In physiological experiments, results showed that the Phenylpropanoid-Metabolism-Related enzymes (PAL, C4H, 4CL) were changed after fresh-cut treatment, the activities of three enzymes increased first and then decreased, and reached the maximum value at 5 min, indicating the accumulation of phenolic substances. At the same time, ROS were accumulated when plant tissue damaged by cutting, the activities of related antioxidant enzymes (SOD, APX and CAT) changed dynamically after oxidative damage. SOD and APX content increased significantly and reached the maximum value at 10 min after cutting, and then showed a downward trend. However, CAT activity increased sharply and reached the maximum value within 3 min after cutting, then maintained the same activity, and showed a downward trend after 30 min. These data fully demonstrated that the activities of browning related enzymes and gene expression increased with the prolonging of fresh cutting time. We explained the browning mechanism of fresh-cut eggplant by combining metabolomics and physiology, which may lay the foundation for better understanding the mechanism of browning during the fruits and vegetables during processing.


Sign in / Sign up

Export Citation Format

Share Document