scholarly journals Effect of Planting Date and Plant Spacing on the Rotenoid Production of Tephrosia vogelii in Puerto Rico

1969 ◽  
Vol 55 (1) ◽  
pp. 85-93
Author(s):  
R. H. Freyre ◽  
D. K. Barnes
Keyword(s):  
Puerto Rico ◽  
Plant Height ◽  
Management System ◽  
Dry Weight ◽  
Planting Date ◽  
Plant Spacing ◽  
Planting Dates ◽  
Plant Weight ◽  
Affected Plant ◽  
Tephrosia Vogelii

The effect of within-row plant spacing (approximately 19, 34 and 57 cm.) and time of planting (April 1, April 29, May 27) on rotenoid and seed production of Tephrosia vogelii in Puerto Rico is reported. Percent total rotenoids and seed yield per plant varied among lines, but were not significantly affected by plant spacing and time of planting. Planting date significantly affected time from planting to flowering and proportion of leaves to stem. The April 1 planting date increased number of days to flowering, thereby increasing leaf losses from diseases and senescence as compared to the April 29 and May 27 planting dates. Plant spacing significantly affected plant height, total plant dry weight per hectare and proportion of leaves to stem. Close plant-spacing tended to increase plant height and total dry plant weight, and to lower proportion of leaves. These results indicated that the most efficient crop management system of T. vogelii for Puerto Rico would include a May 27 planting date, with a plant population of about 53,000 plants per hectare. Experimental yields of approximately 280 kg. of total rotenoids or 550 kg. of seed per hectare were obtained from this management system.

Effect of planting date and density on calendula and peppermint herbs

2014 ◽  
Vol 1 (1) ◽  
pp. 25-29
Author(s):  
Rahim Mohammadian ◽  
Behnam Tahmasebpour ◽  
Peyvand Samimifar
Keyword(s):  
Mutual Effect ◽  
Dry Weight ◽  
Planting Date ◽  
Mass Reduction ◽  
Flower Number ◽  
Planting Dates ◽  
Randomized Design ◽  
Significant Difference ◽  
Completely Randomized Design ◽  
Total Maximum

A factorial experiment was conducted with a completely randomized design to evaluate the effects of planting date and density on calendula herbs and peppermint. It had 3 replicates and was done in Khosroshahr research farm, Tabriz in 2006. Under studied factors were: 3 planting dates (10 May, 25 May and 10 June) in 4 densities (25, 35, 45, 55) of the plant in square meters. The results of variance a nalysis showed that there was 1% probability significant difference between the effects of planting date and bush density on the leave number, bush height and the bush dry weight. But the mutual effect of the plant date in mentioned traits density was insignificant. Regarding the traits mean comparison, the total maximum dry weight was about the 55 bush density in mm. Also, the bush high density in mm causes the bush growth and its mass reduction. When there is the density grain, the flower number will increase due to bush grain in surface unit. Overall, we can conclude that 10 June planting and 45 bush density in mm is the most suitable items and results in favored production with high essence for these crops.

scholarly journals Effect of Planting Date and Gibberellic Acid on the Growth and Yield of Garlic

2010 ◽  
pp. 132-140 ◽  
Author(s):  
MA Islam ◽  
MH Reza ◽  
SMAHM Kamal ◽  
MA Wazed ◽  
KM Islam
Keyword(s):  
Gibberellic Acid ◽  
Plant Height ◽  
Dry Matter ◽  
Dry Weight ◽  
Planting Date ◽  
Growth And Yield ◽  
Planting Time ◽  
Local Cultivar ◽  
Number Of Leaves ◽  
Bulb Yield

An experiment was conducted with a local cultivar of garlic to study the effects of planting date and gibberellic acid on the growth and yield of garlic at the field laboratory of the Department of Crop Botany, Bangladesh Agricultural University, Mymensingh during November 2001 to April 2002. Early planting influenced the plant height, leaf number, bulb diameter and total dry matter. With the delay in planting time starting from November 7, the yield was chronologically reduced in later plantings. Significantly the highest bulb yield (2.67 t/ha) was recorded when planting was done on November 7 and lowest yield (0.92 t/ha) was obtained from December 22 planted crop. Bulb yield was higher in control plants than those of GA3 treated plants. The interaction effects of planting date and different concentrations of GA3 differed significantly in respect of plant height, number of leaves, bulb diameter and dry weight of roots, leaves and bulbs and yield of garlic.

scholarly journals Effect of planting dates on the yield of broccoli genotypes

2015 ◽  
Vol 40 (3) ◽  
pp. 465-478
Author(s):  
MA Hafiz ◽  
A Biswas ◽  
M Zakaria ◽  
J Hassan ◽  
NA Ivy
Keyword(s):  
Plant Height ◽  
Total Yield ◽  
Planting Date ◽  
Flower Head ◽  
Planting Dates ◽  
Head Diameter ◽  
Head Weight ◽  
Average Plant ◽  
Early Flower ◽  
Average Plant Height

This experiment was conducted during September, 2011 to March, 2012 in the experimental field of Department of Horticulture, Bangabandhu Sheikh Mujibur Rahman Agricultural University (BSMRAU), Gazipur to find out the effect of planting date on the yield of broccoli genotypes. There were five genotypes viz. Early green, Forest green, Green calabrese, Premium crop and Green king and four planting dates viz. 2 October, 27 October, 21 November and 16 December. The treatment effects were statistically analyzed and found significant in most of the characters studied. Genotype Green calabrese was the highest in average plant height (53.70 cm). Green king produced the maximum spread diameter (69.23 cm), stem diameter (30.35 mm) and early initiation of floral head. Genotype Early green performed the best regarding head weight (343.87 g), yield per plant (477.4 g) and yield (19.10 t/ha). Broccoli planted on 21 November initiated early flower head, maximum head diameter (16.99 cm), head weight (314.49 g), yield per plant (453.64 g) and total yield (18.15 t/ha). The genotype Early green planted on 21 November showed the best performance in yield per plant (580.17 g) and yield hectare (23.21 t/ha).Bangladesh J. Agril. Res. 40(3): 465-478, September 2015

scholarly journals Effect of planting time and supplemental irradiation on growth and flowering of Lachenalia ‘Romaud’ 

2019 ◽  
Vol 46 (No. 2) ◽  
pp. 72-80
Author(s):  
Anna Kapczyńska
Keyword(s):  
Chlorophyll A ◽  
Dry Weight ◽  
Planting Date ◽  
Flowering Plants ◽  
Light Conditions ◽  
Specific Time ◽  
Natural Lighting ◽  
Affected Plant ◽  
Inflorescence Stems ◽  
Pot Plant

Growth and flowering of lachenalia ‘Romaud’ was studied with reference to its commercial potential as pot plant and the need to obtain flowering plants at a specific time. The experiment was carried out in a heated glasshouse. Lachenalia bulbs were planted in November, December, January and February. The plants were exposed to two lighting regimes, natural lighting and natural lighting with supplemental irradiation (HPS lamps). The later the planting date was, the faster the bulbs flowered, and they produced thicker inflorescence stems with greater number of florets. Depending on the bulb planting date and light conditions, the plants flowered from February to May. The leaves obtained from the bulbs planted in November and December were longer than those produced by the bulbs planted in January and February. Compared with control, supplemental irradiation accelerated flowering by 10–13  days and positively affected plant features by promoting the growth of thicker inflorescence stems with more abundant and longer florets. The leaves of irradiated bulbs were shorter (apart from the bulbs planted in February) and were characterised by a higher content of chlorophyll a, chlorophyll a + b and carotenoids as compared with control. Plants grown under HPS light also had the higher dry weight of bulbs, leaves and stems.

scholarly journals The Growth of FHIA-17 Banana Seedlings with Application of Hijauan Paitan Fertilizer (Titonia diversifolia) and Cow Manure

2019 ◽  
Vol 1 (4) ◽  
pp. 77-83
Author(s):  
Suswati Suswati ◽  
Asmah Indrawaty ◽  
Rizal Aziz ◽  
Eka Prasaditya Ramadhani
Keyword(s):  
Plant Height ◽  
Block Design ◽  
Dry Weight ◽  
Cow Manure ◽  
Growing Media ◽  
Randomized Block Design ◽  
Affected Plant ◽  
Wet Weight ◽  
Number Of Leaves

Growth of FHIA-17 Banana Seedlings with the Application of Hijauan Paitan Fertilizer (Titonia Diversifolia) and Cow Manure. The aim of this study was to obtain data on the growth of FHIA-17 banana seedlings after application of T.diversifolia forage and cow manure. Using a factorial Randomized Block Design (CRD) with two treatment factors. The first factor is the forage dose of T. diversifolia (P) with 5 levels, P0=Control; P1=12.5 g kg-1 planting medium (equivalent to 5 tons ha-1); P2=25 g kg-1 planting medium (equivalent to 10 tons ha-1); P3=37.5 g / kg of planting media (equivalent to 15 tons ha-1); P4=50 g kg-1 of growing media (equivalent to 20 tons ha-1). The second factor is the dose of cow manure (K) with 5 treatment levels namely, K0=Control; P1=12.5 g kg-1 of growing media (equivalent to 5 tons ha-1); K2=25 g kg-1 of growing media (equivalent to 10 tons ha-1); K3= 37.5 g kg-1 of growing media (equivalent to 15 tons ha-1); K4=50 g kg-1 planting medium (equivalent to 20 tons ha-1 and repeated 2 (two) times. Observed parameters were plant height (cm), number of leaves, stem circumference (mm), plant wet weight (g), plant dry weight (g). The results of this study indicate that the application of forage T. diversifolia significantly affected plant height and number of leaves. It’s not real with respect to all observational parameters.

scholarly journals Weed Control, Growth, Nodulation, Quality and Storability of Peas as Affected by Pre- and Postemergence Herbicides

Horticulturae ◽  
2021 ◽  
Vol 7 (9) ◽  
pp. 307
Author(s):  
Ibrahim S. Abdallah ◽  
Karima F. Abdelgawad ◽  
Mohamed M. El-Mogy ◽  
Mohamed B. I. El-Sawy ◽  
Hend A. Mahmoud ◽  
...  
Keyword(s):  
Plant Height ◽  
Weed Control ◽  
Field Experiments ◽  
Positive Impact ◽  
Total Yield ◽  
Dry Weight ◽  
Nodule Formation ◽  
Chemical Compositions ◽  
Plant Weight ◽  
Control Growth

Weeds represent a major constraint for successful pea cultivation, resulting in loss of green pea yield and quality. Two field experiments were carried out during the winter seasons of 2018/2019 and 2019/2020. The objectives of the current study were to evaluate the efficacy of pendimethalin, butralin, fluazifop butyl, bentazon, and hoeing on weed control, and their impact on pea growth, nodule formation, yield, quality, and storability. The results indicated that hoeing and fluazifop butyl were the most effective treatments for weed control in terms of the lowest values of total weed dry weight. The bentazon and fluazifop butyl herbicides didn’t affect active nodules number, plant height, plant weight, root length, or number of leaves and branches. Additionally, bentazon and hoeing resulted in the highest total yield per plant and protein content. Butralin and pendimetalin achieved the lowest yield, and butralin also resulted in the lowest plant height and weight. Bentazon-treated peas had the highest chemical compositions in terms of chlorophyll, carotenoids, total sugar, and vitamin C contents in pea pods at harvest and during cold storage at 4 °C and 95 RH for 45 days. No detectable residues of the four herbicides under study were detected in green pods, suggesting that pods can be safely consumed at the time of harvesting. It can be concluded that nodules formation in pea was not affected significantly by the application of the tested herbicides, except pendimethalin and butralin. Furthermore, bentazon had a positive impact on nodules formation and pods quality and could be used effectively for controlling the broadleaf weeds, and it was simultaneously a selective and safe herbicide in pea cultivation.

scholarly journals Yield and some agronomic parameters of upland cotton as affected by planting dates

2020 ◽  
Vol 2 (1) ◽  
pp. 37
Author(s):  
Waqas Ahmed Lashari ◽  
Salma Naimatullah ◽  
Hamza Afzal
Keyword(s):  
Plant Height ◽  
Upland Cotton ◽  
Planting Date ◽  
Research Station ◽  
Cotton Yield ◽  
Seed Cotton ◽  
Planting Dates ◽  
Seed Cotton Yield ◽  
Average Maximum ◽  
Boll Weight

A field experiment was conducted at ICI Research Farm, Multan to evaluate the effect of different sowing dates on plant height, number of monopodia, number of sympodia, number of bolls per plant, boll weight, seed cotton yield kg/ha of two upland cotton varieties (ICI-2121 and ICI-2424) developed by ICI Pakistan Limited, Multan against a standard check variety IUB-2013 during 2019, and 2020 years.  These varieties were planted on 1st April, 15th April, 1st May, 15th May, 1st June, and 15th June, at ICI Cotton Research Station, 19-Kasi Vehari Road, Multan.  Results revealed that statistically highly significant differences in planting dates were observed for all the parameters studied except number of monopodial branches and boll weight which depicted non-significant differences. Regarding varieties and interaction between varieties and planting times, similar trend of statistical differences was observed. As regards to planting dates, generally, all the parameters under study showed their maximum performance when crop was planted on 1st May followed by 1st April planting date, whereas, minimum performance of the parameters was recorded when the crop was planted on 15th June followed by 1st June. Regarding varietal performance, on an average, maximum plant height (146cm) was observed in ICI-2121 followed by IUB-2013. Same trend of performance of varieties regarding number of monopodia and sympodia per plant was observed.  Regarding average number of bolls per plant in different varieties, it was observed that ICI-2121 produced maximum (32 bolls) followed by ICI-2424 (31 bolls) and IUB-2013 (28 bolls) irrespective of planting dates. The same trend of varietal performance regarding boll weight was recorded. When seed cotton yield (kg/ha) was evaluated, on an average of varieties, ICI-2121 produced maximum seed cotton yield (1228 kg/ha) followed by ICI-2424 and IUB-2013 which produced 1147 and 1046 kg/ha seed cotton yield respectively irrespective of planting dates. It was concluded that under agro-climatic conditions of Multan, 1st May planting date was evaluated as optimum cotton sowing time. Before or after 1st May, this study does not recommend growing cotton in this particular zone.  Among cotton varieties, ICI-2121 is recommended for sowing under this planting time being producing higher yields.

scholarly journals Drought tolerance test of various potential local rice genotypes in Aceh West-South Region at vegetative stages

2021 ◽  
Vol 911 (1) ◽  
pp. 012005
Author(s):  
Wira Hadianto ◽  
Dewi Junita ◽  
Yuliatul Muslimah ◽  
Nana Ariska ◽  
Sumeinika Fitria Lizmah ◽  
...  
Keyword(s):  
Drought Stress ◽  
Drought Tolerance ◽  
Plant Height ◽  
Block Design ◽  
Dry Weight ◽  
Tolerance Test ◽  
Randomized Block Design ◽  
Affected Plant ◽  
Rice Genotypes ◽  
High Yielding Varieties

Abstract Aceh has a lot of local rice genotypes that locally cultivated in West- South Region Aceh. The potential of local rice as a source of genes have not been evaluated and identified of drought tolerance. Abiotic stresses such as drought are serious things that affected plant productivity. This study aimed to determine the drought tolerance of several potential local rice genotypes in South-West Region Aceh as parents (P1) in order to become the basic population in creating the new high yielding varieties that were resistant to drought. This study was carried out in Randomized Block Design (RDB) with 3 replications. The observed variables were: Plant height and Number of tiller per clumps at 10, 20, 30 and 40 days after planting, root length, number of roots, wet and dry weight of roots at days 40 after planting. The study found that the treatment of drought stress significantly affect the plant height and number of tillers, best result was found at rangan lango genotype. Based on the research results, it can be concluded that there are 3 genotypes of local West-South Aceh region that are potentially resistant to drought stress in the vegetative Stage, namely the Lango genotype, Arias genotype and Pade Manggeng genotype.

scholarly journals (62) Salinity and Growing Medium Affected Growth and Morphology of Gaillardia aristata

HortScience ◽  
2006 ◽  
Vol 41 (4) ◽  
pp. 1071C-1071
Author(s):  
Genhua Niu ◽  
Denise S. Rodriguez
Keyword(s):  
Plant Height ◽  
Tap Water ◽  
Dry Weight ◽  
The United States ◽  
Growing Media ◽  
Shoot Dry Weight ◽  
Drought Tolerant ◽  
Elevated Salinity ◽  
Affected Plant ◽  
Salinity Levels

Gaillardia aristata Foug. is a hardy, drought-tolerant perennial found throughout much of the United States. Little information exists on the salt tolerance of this plant when grown in various growing media. A study was conducted to characterize the response of G. aristata to three salinity levels (0.8, 2.0, or 4.0 dS/m) and four growing media: 1) 100% perlite; 2) 1 perlite: 1 Sunshine mix No. 4 (v/v); 3) 100% Sunshine mix No. 4; or 4) 1 Sunshine mix No. 4: 1 composted mulch (v/v). The type of medium influenced the dry weight of roots but not shoots, while salinity significantly influenced the dry weight of both shoots and roots. The dry weight of shoots was higher in plants irrigated with tap water (0.8 dS/m) compared to those irrigated with saline solution at 2.0 or 4.0 dS/m except for those grown in 100% Sunshine mix. The ratio of root to shoot dry weight was not influenced by salinity, but was highest in the plants grown in 100% perlite. Both medium and salinity affected plant height. Elevated salinity reduced plant height. Plants were taller when grown in 100% perlite and in 1 Sunshine mix: 1 composted mulch. However, plants had fewer lateral shoots when grown in 100% perlite or 1 Sunshine mix: 1 composted mulch. Some of the flower buds aborted when grown in 100% Sunshine mix or 1 perlite: 1 Sunshine mix compared to none in plants grown in 100% perlite or 1 Sunshine mix: 1 composted mulch. These results indicate that growth and morphology of G. aristata were affected by not only salinity, but also the type of medium.

The Effect Of Age And Plant Spacing On The Growth And Production Plant Rice (Oryza sativa L.)

Nabatia ◽  
2016 ◽  
Vol 4 (2) ◽  
pp. 77-99
Author(s):  
Asyita Mufikha ◽  
Al Machfud WDP
Keyword(s):  
Plant Height ◽  
Oryza Sativa L ◽  
Block Design ◽  
Dry Weight ◽  
Variable Number ◽  
Production Plant ◽  
Plant Spacing ◽  
Significant Interaction Effect ◽  
Randomized Block Design ◽  
Wet Weight

This study aims to determine the effect of the interaction of seed age treatment and planting distance on the growth and production of rice plants. This research was conducted in Lambangan Village, Wonoayu Subdistrict, Sidoarjo Regency, East Java Province and carried out from February 2016 to June 2016. The experiment was arranged factorially using a Randomized Block Design (RBD); first factor: age of seedlings, while the second factor: spacing. Observed variables were plant height, number of tillers, panicles per clump, number of grains per clump, weight of 100 grains, grain wet weight, grain dry weight, dry weight, stover weight and harvest index. The results showed that there was a significant interaction effect on plant height that was 53.09 cm at 50 HST and the number of panicles per clump was 6.89. Seedling age had a significant effect on plant height variables at 50 DAP, 48.73. Whereas plant spacing had a significant effect on the variable number of tillers ie 7.00 at 50 HST, number of grains per clump was 691.22 grains, grain wet weight was 15.68 grams, grain dry weight was 11.70 grams, and dry weight stover is 20.26 grams, the highest production is obtained from the treatment of spacing of 10 cm x 20 cm.

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