scholarly journals Propagation of Catnip by Terminal and Single-node Cuttings

2003 ◽  
Vol 21 (1) ◽  
pp. 20-23 ◽  
Author(s):  
Rolston St. Hilaire
Keyword(s):  
Primary Root ◽  
Subsequent Development ◽  
Dry Weight ◽  
Adventitious Rooting ◽  
Single Node ◽  
Rooted Cuttings ◽  
Nepeta Cataria ◽  
Shoot Dry Weight ◽  
Primary Roots ◽  
Production Period

Abstract Adventitious rooting and subsequent development of rooted cuttings were evaluated for terminal, single-node, and tip cuttings of catnip (Nepeta cataria L.). During an eight-week production period, cuttings were treated with indole-3-butyric acid (IBA) at 0, 1, 3, and 8 g/kg (0, 1000, 3000, and 8,000 ppm), rooted for one to four weeks, and then grown in the greenhouse for four to seven weeks. At harvest, a first experiment showed that terminal cuttings propagated for four weeks accumulated less shoot dry weight (24 g) than cuttings propagated for two (36 g) or three (31 g) weeks. Terminal cuttings treated with 3 g/kg of IBA and propagated for four weeks had the highest root dry weight, which averaged 12.1 g. In the second experiment, length of the longest shoot and primary root and the number of roots and shoots were greater in single-node cuttings propagated for two or three weeks than those propagated for one week. A third experiment revealed that the development of primary roots in single-node and tip cuttings was similar during a 15-day rooting period.

Response of Taxus times media var. densiformis to inoculation with arbuscular mycorrhizal fungi

1998 ◽  
Vol 28 (1) ◽  
pp. 150-153
Author(s):  
J N Gemma ◽  
R E Koske ◽  
E M Roberts ◽  
S Hester
Keyword(s):  
Arbuscular Mycorrhizal Fungi ◽  
Mycorrhizal Fungi ◽  
Glomus Intraradices ◽  
Arbuscular Mycorrhizal ◽  
Dry Weight ◽  
Root Systems ◽  
Stem Diameter ◽  
Rooted Cuttings ◽  
Shoot Dry Weight ◽  
Mycorrhizal Plants

Rooted cuttings of Taxus times media var. densiformis Rehd. were inoculated with the arbuscular mycorrhizal fungi Gigaspora gigantea (Nicol. & Gerd.) Gerd. & Trappe or Glomus intraradices Schenck and Smith and grown for 9-15 months in a greenhouse. At the completion of the experiments, leaves of inoculated plants contained significantly more chlorophyll (1.3-4.1 times as much) than did noninoculated plants. In addition, mycorrhizal plants had root systems that were significantly larger (1.3-1.4 times) and longer (1.7-2.1 times) than nonmycorrhizal plants, and they possessed significantly more branch roots (1.3-2.9 times). No differences in stem diameter and height or shoot dry weight were evident at the end of the experiments, although the number of buds was significantly greater in the cuttings inoculated with G. intraradices after 15 months.

scholarly journals AVOCADO SEEDLINGS MULTIPLE STEMS PRODUCTION

2016 ◽  
Vol 38 (2) ◽  
Author(s):  
MARCUS VINICIUS SANDOVAL PAIXÃO ◽  
JOSÉ CARLOS LOPES ◽  
EDILSON ROMAIS SCHMILDT ◽  
RODRIGO SOBREIRA ALEXANDRE ◽  
CAROLINE MERLO MENEGHELLI
Keyword(s):  
Root Length ◽  
Dry Weight ◽  
Adventitious Rooting ◽  
Dry Mass ◽  
Stem Diameter ◽  
Experimental Unit ◽  
Shoot Height ◽  
Shoot Dry Weight ◽  
Federal Institute ◽  
Multiple Stems

ABSTRACT This study aimed to evaluate the potential of multi-stems in avocado seeds according to their mass as well as the adventitious rooting of multi-stem budding with or without the use of auxin. The research was carried out at the Vegetation House of Federal Institute of Espírito Santo, Campus Santa Teresa -ES, with seeds of different masses: <60 g, 61 to 80 g, 81 to 100 g and >100 g, in which each experimental unit was made of five seeds, distributed within five repetitions, under a completely randomized design. The seeds were put to germinate and the percentage number of emergence and multiple stems were evaluated. After 150 days, the following evaluations were carried out: survival of rooted cuttings; number of leaves; stem diameter; root length; root volume; root and shoot fresh mass; root and shoot dry mass; shoot height; absolute growth and shoot growth rate; shoot dry weight/root dry mass ratio; shoot height/stem diameter ratio; shoot height/root length and Dickson's quality index ratio. Avocado seeds with mass over 100 g and between 81-100 g presented higher percentage of multiple stems. Rods over 20 cm that were not treated with IBA (indole-3-butyric acid) resulted on avocado plants of better quality. The use of IBA (2000 mg L-1) does not affect the rooting and growth of avocado's multi-stem plants.

scholarly journals KEBERHASILAN PERTUMBUHAN STEK PUCUK MINDI BESAR (Melia dubia Cavanilles) TERHADAP PENGGUNAAN MEDIA DAN ZAT PENGATUR TUMBUH Successfully Growth of Shoot Cutting Mindi Besar (Melia dubia Cavanilles) on Media and Growth Regulator

2017 ◽  
Vol 8 (2) ◽  
pp. 134-140
Author(s):  
Liza Nurul Hayati ◽  
Nurheni Wijayanto ◽  
Yulianti .
Keyword(s):  
Growth Regulator ◽  
Dry Weight ◽  
Rooted Cuttings ◽  
Rooted Cutting ◽  
Evergreen Forests ◽  
Containment Model ◽  
Primary Roots ◽  
Two Factors ◽  
Melia Dubia ◽  
Secondary Roots

Mindi besar (Melia dubia Cavanilles) is one of fast growing tree species from family Meliaceae which growing in tropical evergreen forests. The aim of this study was to determine the best combination of medium and growth regulator for vegetative propagation of mindi besar trees. The completely randomized factorial design was used two factors; medium (M) there were two types of media; zeolite (M1) and soil + rice husk (2:1 v/v) medium (M2), the growth regulator (H) had three levels; control (H0), pure coconut water (H1), and Auksin sintetis (H3). The study was conducted at two locations, first at green house with rooting room KOFFCO System and second at seedbed with rooting room containment model (MS). The research at greenhouse using rooting room KOFFCO System showed that interaction of media with growth regulator had a very significant effect on the percentage of fresh cuttings and rooted cuttings and had a significant effect on the number of primary roots. The averages of percentage of fresh cuttings and rooting were 83.3% and 66.7% for M1H2 and 76% and 60% for M2H0. The M2H1 reached 2.9 number of primary roots. At the MS model, the medium factor had significantly different only the number of secondary roots (18.11). The growth regulator factors had significantly different on the percentage of rooted cutting (3.33%), root lenght (10.5 cm) and root dry weight (0.18 g).Key words: containment model, KOFFCO system, Rootone-F, zeolite.

scholarly journals Development of Plants from Single-node Cuttings Differs among Cultivars of Red Maple and Freeman Maple

HortScience ◽  
1995 ◽  
Vol 30 (2) ◽  
pp. 360-362 ◽  
Author(s):  
Lorna C. Wilkins ◽  
William R. Graves ◽  
Alden M. Townsend
Keyword(s):  
Surface Area ◽  
Leaf Surface ◽  
Acer Rubrum ◽  
Subsequent Development ◽  
Dry Mass ◽  
Stem Cuttings ◽  
Red Maple ◽  
Single Node ◽  
Rooted Cuttings ◽  
Leaf Surface Area

Six red maple (Acer rubrum L.) and four Freeman maple (A. ×freemanii E. Murray) cultivars were compared for rooting of single-node stem cuttings and subsequent development of rooted cuttings. Cuttings were taken in May 1990 and 1991 and treated with either 3 or 8 g IBA/kg. Rooting after 4 weeks differed among cultivars, ranging from 22% for `Karpick' to 100% for `Schlesinger' over both years. Rooting scores, based on root counts and lengths, were highest for `Schlesinger' and lowest for `Scarlet Sentinel' and `Karpick'. IBA at 8 g·kg–1 resulted in better rooting than at 3 g·kg–1. Mean length of shoots formed on potted rooted cuttings was 22.6 cm for `Franksred', which initiated shoots on 100% of the cuttings that rooted. In contrast, <50% of `Armstrong', `Jeffersred', `Karpick', `Northwood', and `Scarlet Sentinel' rooted cuttings initiated shoots, and mean length of new shoots was <4 cm for these cultivars. The amount of leaf desiccation that occurred after removing cuttings from the propagation bench varied among cultivars, and the percentage of viable leaf surface area correlated positively with final root or shoot dry mass for all cultivars. Chemical name used: indole-3-butyric acid (IBA).

scholarly journals Genetic Variability in Root and Shoot Growth Characteristics of Peanut1,2

1982 ◽  
Vol 9 (2) ◽  
pp. 68-72 ◽  
Author(s):  
D. L. Ketring ◽  
W. R. Jordan ◽  
O. D. Smith ◽  
C. E. Simpson
Keyword(s):  
Root Growth ◽  
Leaf Area ◽  
Root Length ◽  
Shoot Growth ◽  
Primary Root ◽  
Positive Association ◽  
Dry Weight ◽  
Root Parameters ◽  
Shoot Dry Weight ◽  
Highly Correlated

Abstract The shape and extent of root systems influence the rate and pattern of nutrient and water uptake from the soil. In dicotyledons such as peanut (Arachis hypogaea L.), the primary root and its laterals constitute the main root system. Rooting trait differences in some crops have been associated with drought tolerance. Our objective in this study was to determine if variation in root length and number occurs among peanut genotypes. In one test, shoot and root growth of 23 genotypes (12 spanish and 11 virginia types) were compared in the greenhouse at 55 days after planting using clear acrylic tubes 7.5 cm in diameter and 2.2 m in length. Shoot dry weight, leaf area, tap root length, and root number at 1 m depth ranged for spanish-type entries from 1.23 to 2.65 g, 214 to 409 cm2, 95.0 to 186.8 cm, and 1.0 to 3.1, respectively. Similarly, ranges for virginia-type entries were 1.35 to 3.23 g, 135 to 460 cm2, 122.4 to 192.6 cm, and 1.0 to 7.1. Correlations between shoot and root parameters indicated strong positive association between aerial and subterranean growth. However, the relationship of leaf area to root length was stronger for virginia- than for spanish-type entries. Root length and numbers were highly correlated for spanish, but not for virginia entries. In other tests that included two each of virginia-, spanish-, and valencia-type entries, similar results were found for plants at 34 and 47 days after planting. Significant differences in both root (length and numbers) and shoot growth (dry weight and leaf area) were found among the genotypes tested. Inherent differences in root growth rate were evident at early stages of seedling growth. The results from this sample of peanut germplasm indicate that there is considerable diversity in root growth and there is high shoot/root growth association.

GENOTYPIC DIFFERENCES IN THE GROWTH OF BANANAS (MUSA SPP.) INFECTED WITH MIGRATORY ENDOPARASITIC NEMATODES. 1. ROOTS

2007 ◽  
Vol 43 (3) ◽  
pp. 331-342 ◽  
Author(s):  
H. A. KALORIZOU ◽  
S. R. GOWEN ◽  
T. R. WHEELER
Keyword(s):  
Root Morphology ◽  
Primary Root ◽  
Dry Weight ◽  
Genotypic Differences ◽  
Root Mass ◽  
Root Number ◽  
Root Characteristics ◽  
Root Dry Weight ◽  
Primary Roots ◽  
Resistant Varieties

The effects of nematodes on root morphology and the association of root characteristics with resistance to nematodes of seven banana varieties were investigated in two experiments. Banana plants were grown in controlled conditions within polytunnels and harvested on three occasions for the measurement of root morphology and biomass. Varieties differed in their resistance to nematodes, from resistant (Yg Km5, FHIA 17, FHIA 03) and partly resistant (FHIA 01, FHIA 25) to not resistant ((FHIA 23, Williams). Nematodes reduced the root dry weight of FHIA 01, FHIA 17 and FHIA 23 at some harvests. Primary root number was on average 9.5% lower in nematode-infected plants than controls, with no differences among the varieties. Thus, there was no simple association between the resistance of these varieties and their tolerance to nematodes. Varieties differed in root morphology. Root dry weight was greatest for resistant varieties Yg Km5 and FHIA 03, and least for non-resistant varieties FHIA 23 and Williams. Thus, resistance to nematodes was associated with varieties with greater root mass and more and larger primary roots.

scholarly journals Production Method Affects Growth and Post-transplant Establishment of `East Palatka' Holly

1993 ◽  
Vol 118 (2) ◽  
pp. 194-200 ◽  
Author(s):  
J. Roger Harris ◽  
Edward F. Gilman
Keyword(s):  
Carbon Assimilation ◽  
Dry Weight ◽  
Production Method ◽  
Root Surface ◽  
Root Surface Area ◽  
Post Transplant ◽  
Shoot Dry Weight ◽  
Carbon Assimilation Rate ◽  
Before And After ◽  
Production Period

Growth and physiological responses before and after transplanting to a simulated landscape were studied for `East Palatka' holly (Ilex ×attenuata Ashe `East Palatka') grown in plastic containers (PC), in the ground in fabric containers (FC), or in the ground conventionally. At the end of a 15-month production period, trees grown in PC had more shoot dry weight and leaf area than trees grown in FC, and they had thinner trunks than field-grown trees. Root balls on harvested field-grown trees contained 55% and those grown in FC 65% of total-tree root surface area. Trees transplanted from FC had the lowest predawn leaf xylem potential and required more frequent post-transplant irrigation than trees grown in PC or in the ground. Carbon assimilation rate and stomata1 conductance in the first week after transplanting were highest for trees planted from PC. Dry weight of regenerated roots was similar for all production methods 4 months after transplanting from the nursery, but trees grown in PC had SO% more regenerated root length, and the roots extended further into the back-fill soil.

scholarly journals Susceptibility of four grapevine rootstocks to Cylindrocladiella parva

2013 ◽  
Vol 66 ◽  
pp. 249-253 ◽  
Author(s):  
D.S. Brown ◽  
M.V. Jaspers ◽  
H.J. Ridgway ◽  
C.J. Barclay ◽  
E.E. Jones
Keyword(s):  
Dry Weight ◽  
Conidial Suspension ◽  
Sterile Water ◽  
Rooted Cuttings ◽  
Root Dry Weight ◽  
Shoot Dry Weight ◽  
Foot Disease ◽  
Black Foot ◽  
Black Foot Disease

The susceptibility of four common grapevine rootstocks (10114 Schwarzmann 5C and Riparia Gloire) to Cylindrocladiella parva (black foot disease) infection was assessed in a pot experiment The roots of 4monthold callused rooted cuttings were wounded in situ and inoculated with 50 ml C parva conidial suspension (106/ml) or sterile water (controls) After 6 months of growth shoot dry weight was significantly higher for control plants (242 g) than for those inoculated with C parva (165 g) but did not differ between rootstock varieties Root dry weight was not significantly affected by C parva inoculation but root dry weight of 10114 was significantly higher than other rootstocks Incidence and severity of trunk infection were significantly affected by rootstock variety being lowest in rootstock 10114 plants than other rootstocks None of the rootstocks tested was resistant to this pathogen

scholarly journals Foliar Auxin Application Improves Adventitious Rooting of Wall Germander Cuttings

2018 ◽  
Vol 28 (1) ◽  
pp. 17-21 ◽  
Author(s):  
Benjamin D. Taylor ◽  
Benjamin K. Hoover
Keyword(s):  
Root Growth ◽  
Primary Root ◽  
Foliar Spray ◽  
Dry Weight ◽  
Adventitious Rooting ◽  
Root Area ◽  
Spray Method ◽  
Adventitious Root Development ◽  
Teucrium Chamaedrys ◽  
Spray Treatment

Indole-3-butyric acid (IBA) is frequently used to promote adventitious root development in plant propagation from cuttings. We evaluated the effects of 0, 1000, or 3000 ppm IBA applied as a liquid foliar spray or talc-based basal dip on adventitious rooting of wall germander (Teucrium chamaedrys) cuttings. An initial experiment was conducted in Fall 2016, followed by a replication in Spring 2017. Two-dimensional root area, primary root count, root dry weight, and a rooting index (0 to 5 scale) were assessed as measures of root growth. By all metrics and for both experiments, cuttings benefited from IBA application and exhibited equal or greater root growth after the foliar spray treatment compared with the talc dip. In both experiments and for all metrics, the talc dip method achieved no greater root growth at 3000 ppm IBA than the foliar spray method at 1000 ppm IBA. These results suggest that for wall germander, IBA application by the foliar spray method is equal or superior to the talc dip method presently in widespread use in the horticulture industry.

scholarly journals Growth of `October Glory' Red Maple in Multiple Locations in the Southeast

HortScience ◽  
1997 ◽  
Vol 32 (4) ◽  
pp. 594F-594
Author(s):  
J.L. Sibley ◽  
J.M. Ruter ◽  
D.J. Eakes
Keyword(s):  
Dry Weight ◽  
First Year ◽  
Limited Information ◽  
Red Maple ◽  
Rooted Cuttings ◽  
Root Dry Weight ◽  
Shoot Dry Weight ◽  
Shoot Ratio ◽  
Root Shoot Ratio ◽  
Single Location

Limited information exists for container production of red maple cultivars. The objective of this study was to evaluate first-year growth of container-grown `October Glory' at 3 locations with disparate climates in Georgia and Alabama (Tifton, Ga., Blairsville, Ga., and Auburn, Ala.). Rooted cuttings were planted in 9.2-L containers in one location in the same substrate in April 1995. Trees were transported to each location in mid-June and irrigated from overhead risers at 1.3 cm/day for 6 months until dormant, then transported to a single location for harvest. Despite weather differences among locations, final heights were not different (Blairsville 59.8 cm; Auburn 53.0 cm; and Tifton 60.2 cm). Shoot diameter increase and shoot dry weight was greatest at Tifton (8.4 mm, 17.5 g), least at Blairsville (6.3 mm, 9.2 g), with Auburn similar to both locations (6.8 mm, 12.2 g). Root dry weight and root: shoot ratio was greater in Tifton (17.2 g, 0.97) than Blairsville 14.9 g, 0.51) and Auburn (7.0 g, 0.64).

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