ACCUMULATION OF PHENOLICS IN ELEUTHERO (ELEUTHEROCOCCUS SENTICOSUS (RUPR. ET MAXIM.) MAXIM.) AS AFFECTED BY PLANT DEVELOPMENT

The aim of the study was to determine the development of ramie plants (Boehmeria nivea L. Gaud) and the effect of using ramie leaves on feed on the body weight gain of Wonosobo Sheep (Dombos). Research on the development of ramie plants using survey methods in the area of ramie plant development in Wonosobo Regency. While the research on the use of ramie leaves for fattening was carried out in Butuh Village, Kalikajar District, Wonosobo Regency in 2018. 21 male Dombos were divided into 3 feed treatments with forage proportions of 70%, 50% and 30 ramie leaves respectively. %. The results showed that currently ramie plants were being developed in Wonosobo Regency by CV. Ramindo Berkah Persada Sejahtera in Gandok Village, Kalikajar District, Wonosobo Regency, Central Java. Until now the area of the crop has reached 13 ha. Of this area will produce ramie leaves 195,000 kg / year. If one sheep needs 4 kg of ramie / tail / day leaves, then the potential capacity of sheep is 135 heads / year, if the given one is 50% then the Jurnal Litbang Provinsi Jawa Tengah, Volume 16 202 Nomor 2 – Desember 2018potential capacity is 270 heads / year and if it is reduced again to 25% of ramie leaves then the potential capacity 440 heads / year. The use of ramie leaves as a feed for Wonosobo Sheep fattening can be given as much as 30% in fresh form.

Download Full-text

Somatic Embryogenesis and Plant Development in Eight Cultivars of Pecan

HortScience ◽

10.21273/hortsci.25.5.573 ◽

1990 ◽

Vol 25 (5) ◽

pp. 573-576 ◽

Cited By ~ 7

Author(s):

I.E. Yates ◽

C.C. Reilly

Keyword(s):

Somatic Embryogenesis ◽

Plant Growth ◽

Plant Growth Regulators ◽

Growth Regulators ◽

Plant Development ◽

Fruit Development ◽

Somatic Embryos ◽

Carya Illinoensis ◽

Appreciable Variation

The influence of stage of fruit development and plant growth regulators on somatic embryogenesis and the relation of cultivar response on somatic embryogenesis and subsequent plant development have been investigated in eight cultivars of pecan [Carya illinoensis (Wangenh.) C. Koch]. Explants from the micropylar region of the ovule were more embryogenic when removed from fruits in the liquid endosperm stage than were intact ovules from less-mature fruits or from cotyledonary segments of more-mature fruits. Explants conditioned on medium containing auxin alone or auxin + cytokinin produced more somatic embryos than medium containing cytokinin alone. Under the conditions of this study, frequency of embryogenesis, as well as the germination of somatic embryos leading to plant development, indicated appreciable variation among cultivars. Plant development was greatest by far from somatic embryos of `Schley' than other cultivars studied.

Download Full-text

Developmental Variations in the Content of Active Substances and Nutrients in Echinacea purpurea

HortScience ◽

10.21273/hortsci.33.3.518d ◽

1998 ◽

Vol 33 (3) ◽

pp. 518d-518

Author(s):

W. Letchamo ◽

V.S. Krutilina

Keyword(s):

Essential Oil ◽

Plant Development ◽

Maximum Yield ◽

Echinacea Purpurea ◽

The United States ◽

Biologically Active Substances ◽

Biologically Active ◽

General Distribution ◽

Cichoric Acid ◽

Active Substances

Echinace from the Asteracea family has been among the top 10 marketed herbs in North America and Europe. So far, only a limited amount of Echinace originate from commercial cultivation. Echinacea purpurea has been commercially cultivated in the United States since the mid 1970s, in Russia since 1935, while in Europe since the 1960s. However, there has been no published information in the English language on methods of cultivation, expected yields, limiting factors, nutrient requirements, and the optimum plant development stage to obtain maximum yield and concentration of the biologically active substances for pharmaceutical and cosmetic processing. The objective of this investigation was, therefore, to study the general distribution of major nutrients and biologically active substances and the relationship between the two groups, and the pattern of the accumulation of cichoric acid, echnacoside, isobutylamides (tetraenes) and essential oil in commercially cultivated Echinacea purpurea. There was a significant variation in the content of essential oil, cichoric acid, and isobutylamides (tetraenes) in different organs and stages of the plant development. Similarly, the difference in the distribution of N, P, K, Ca, Mg, and Fe in different organs and developmental stages is demonstrated. The correlation between the content of the active substances and nutrients is demonstrated, while recommendations for an optimum harvesting stage and date are made.

Download Full-text