scholarly journals Perennial Peanut Establishment and Potential Environmental Benefits to Citrus

HortScience ◽  
1996 ◽  
Vol 31 (4) ◽  
pp. 664e-664
Author(s):  
Robert E. Rouse ◽  
J. Jeffrey Mullahey
Keyword(s):  
Plant Density ◽  
Cynodon Dactylon ◽  
Block Design ◽  
Ground Cover ◽  
Environmental Benefits ◽  
Fertilizer Treatment ◽  
Citrus Grove ◽  
Arachis Glabrata ◽  
High Level ◽  
Common Bermudagrass

A 2-year establishment study of perennial peanut (Arachis glabrata Benth.) planted in row middles of a 1-year-old citrus grove was initiated in southwest Florida. The effect of herbicide and fertilizer treatment combinations on perennial peanut density was measured. Treatments were Fluazifop-p-butyl (Fusilade 2000 1E) herbicide, K-Mag fertilizer, Fluazifop-p-butyl + K-Mag + N, and a nontreated control. Four replications were arranged in a randomized complete-block design. After 2 years, there were no significant differences in plant density between treatments (96% cover) and the control (89% cover). Applications of Fluazifop-p-butyl in years one and two were effective in controlling grassy weeds such as common bermudagrass [Cynodon dactylon (L.) Pers]. In this experiment. initiated 1 year after planting, perennial peanut without inputs (herbicide, fertilizer) was able to suppress common bermudagrass and to obtain a high level (89%) ground cover in 3 years (1991–94).

Common Bermudagrass (Cynodon dactylon) Interference in Newly Planted Peach (Prunus persica) Trees

Weed Science ◽  
1985 ◽  
Vol 33 (1) ◽  
pp. 50-56 ◽  
Author(s):  
Stephen C. Weller ◽  
Walter A. Skroch ◽  
Thomas J. Monaco
Keyword(s):  
Field Experiments ◽  
Prunus Persica ◽  
Cynodon Dactylon ◽  
Ground Cover ◽  
First Year ◽  
Allelopathic Effect ◽  
Trunk Diameter ◽  
Leaf Chlorophyll ◽  
Tree Leaf ◽  
Common Bermudagrass

Field experiments conducted over a 2-yr period demonstrated that common bermudagrass [Cynodon dactylon (L.) Pers. # CYNDA] inhibited growth of newly planted peach (Prunus persica L. ‘Norman’) trees. Common bermudagrass densities of 100, 75, 50, and 25% ground cover reduced tree fresh weight by 86, 64, 43, and 19%, respectively, the first year (1978) and 87, 62, 44, and 28%, respectively, the second year (1979) after planting. Tree trunk diameter relative growth rate (RGR) was reduced by 75 and 100% common bermudagrass ground cover densities at all measurement dates only in 1978. Tree leaf N and K were reduced in both years by common bermudagrass; however, only at the 100% common bermudagrass density in 1978 was N at a deficient level. Leaf chlorophyll was reduced in trees grown in all densities of common bermudagrass only in 1978. Reduced tree growth cannot be explained entirely by competition for essential nutrients; thus an allelopathic effect of the bermudagrass on young peach roots is suspected.

scholarly journals Effect of sprigging density and foliar nitrogen on the growth of Bermuda grass (Cynodon dactylon L. Pers. x Cynodon transvaalensis)

2018 ◽  
Vol 13 (2) ◽  
pp. 172-177
Author(s):  
D Dhanasekaran
Keyword(s):  
Tamil Nadu ◽  
Cynodon Dactylon ◽  
Foliar Application ◽  
Block Design ◽  
Foliar Spray ◽  
Ground Cover ◽  
Bermuda Grass ◽  
Grass Species ◽  
Foliar Nitrogen ◽  
Cynodon Transvaalensis

Turf grasses have been utilized by humans to enhance their environment for more than 10centuries. Aesthetically, lawns enhance the quality of life, contribute to social harmony andcommunity pride, increase property values and compliment other landscape plants. The beautyof any garden largely depends on the greenness of the lawn. The first and foremost criteria fora well establishment and a satisfactory lawn are selection of suitable grass species and methodsof its establishment. Hence, an experiment was laid out to study the effect of different spriggingdensity and foliar nitrogen on the growth and establishment of bermuda grass (Cynodon dactylonL. Pers. x Cynodon transvaalensis) in floriculture unit of the Department of Horticulture, Facultyof Agriculture, Annamalai University, Tamil Nadu during the year 2013-2015. Bermuda grasssprigs were planted in different spacing levels and foliar spray of urea with twelve treatmentcombinations comprising of different levels viz., 10 x 10 cm with 1%, 1.5% and 2%; 15 x 15 cmwith 1%, 1.5% and 2%; 20 x 20 cm with 1%, 1.5% and 2%; 25 x 25 cm with 1%, 1.5% and2%, in factorial randomized block design with three replications. From the results, it wasfound that the earliest spread and ground cover were observed in planting sprigs at closerspacing of 10 x 10 cm in combination with foliar application of nitrogen in the form of urea as2 % for two times at seven and fifteen days after planting.

Common Bermudagrass (Cynodon dactylon) Competition in Cotton (Gossypium hirsutum)

Weed Science ◽  
1985 ◽  
Vol 33 (4) ◽  
pp. 503-506 ◽  
Author(s):  
Steven M. Brown ◽  
Ted Whitwell ◽  
Joe E. Street
Keyword(s):  
Gossypium Hirsutum ◽  
Cynodon Dactylon ◽  
Ground Cover ◽  
Row Spacing ◽  
Grass Establishment ◽  
Common Bermudagrass

Experiments were conducted to evaluate effects of various densities of bermudagrass [Cynodon dactylon(L.) Pers. ♯ CYNDA] in cotton (Gossypium hirsutumL. ‘Stoneville 213’) during the initial and second seasons following grass establishment and to evaluate bermudagrass competition in three cotton row spacings. During the season of grass establishment, densities of 1 to 16 plugs/7.5 m of cotton row had minimal effects on yield. Established, perennated bermudagrass was much more competitive. During second-season competition, 1 plug/7.5 m had formed a 76% ground cover and reduced yields by 600 kg/ha (25%) or more. The highest densities reduced yields 60 to 80%. In separate experiments, a cotton row spacing of 0.5 m reduced bermudagrass ground cover compared to 1.5 m row spacing.

scholarly journals Best Management Practices for the Conversion of Established Bermudagrass to Buffalograss

HortScience ◽  
2013 ◽  
Vol 48 (2) ◽  
pp. 233-236 ◽  
Author(s):  
Jared. A. Hoyle ◽  
Gerald M. Henry ◽  
Travis Williams ◽  
Aaron Holbrook ◽  
Tyler Cooper ◽  
...  
Keyword(s):  
Best Management Practices ◽  
Water Conservation ◽  
Management Practices ◽  
Cynodon Dactylon ◽  
Block Design ◽  
Percent Cover ◽  
Seeding Rate ◽  
Best Management ◽  
Seedbed Preparation ◽  
Common Bermudagrass

Growing concern over the sufficiency and variability of present water supplies in the arid Southwest has led to the examination of buffalograss [Buchloe dactyloides (Nutt.) Engelm.] for water conservation. Increasing acceptance of buffalograss will require investigation into conversion techniques for its establishment. The objectives of this study were to evaluate the effects of seedbed preparation and seeding rate on the establishment of buffalograss after bermudagrass desiccation with glyphosate. Research was conducted at the Texas Tech Quaker Research farm in 2009 and 2010 on a mature ‘Riviera’ common bermudagrass [Cynodon dactylon (L.) Pers.] rough. Bermudagrass was sprayed with glyphosate at 1.1 kg acid equivalent (ae)/ha 5 and 1 weeks before seedbed preparation. Plots were scalped after desiccation. Treatments were arranged in a two × four factorial, randomized complete block design with four replications. two buffalograss seeding rates and four seedbed preparation treatments. Seedbed preparation treatments consisted of no seedbed preparation, topdressing alone (0.6-cm layer), hollow-tine aerification + topdressing, or verticutting + topdressing. ‘TopGun’ buffalograss was planted on 1 June 2009 and 4 June 2010 at 146 or 195 kg·ha−1. Grid counts were conducted to determine buffalograss cover one, two, and three months after planting (MAP). Counts were then converted to percent cover (0% to 100%). Greater buffalograss cover was observed when seed was applied at the higher rate (196 kg·ha−1) except within treatments that did not receive seedbed preparation treatment. No seedbed preparation resulted in unacceptable buffalograss cover. Percent buffalograss cover three MAP was 75%, 83%, and 86% for topdressing alone, aerification + topdressing, and verticutting + topdressing treatments seeded at 195 kg·ha−1, respectively.

scholarly journals The Salinity Tolerance of Seeded-type Common Bermudagrass Cultivars and Experimental Selections

2018 ◽  
Vol 28 (3) ◽  
pp. 276-283 ◽  
Author(s):  
Mingying Xiang ◽  
Justin Q. Moss ◽  
Dennis L. Martin ◽  
Yanqi Wu
Keyword(s):  
Salinity Tolerance ◽  
Vegetation Index ◽  
Normalized Difference Vegetation Index ◽  
Cynodon Dactylon ◽  
Block Design ◽  
Seashore Paspalum ◽  
Green Cover ◽  
Salinity Levels ◽  
The Common ◽  
Common Bermudagrass

Turfgrass managers are using reclaimed water as an irrigation resource because of the decreasing availability and increasing cost of fresh water. Much attention, thereby, has been drawn to select salinity-tolerant turfgrass cultivars. An experiment was conducted to evaluate the relative salinity tolerance of 10 common bermudagrasses (Cynodon dactylon) under a controlled environment in a randomized complete block design with six replications. ‘SeaStar’ seashore paspalum (Paspalum vaginatum) was included in this study as a salinity-tolerant standard. All entries were tested under four salinity levels (1.5, 15, 30, and 45 dS·m−1) consecutively using subirrigation systems. The relative salinity tolerance among entries was determined by various parameters, including the normalized difference vegetation index (NDVI), percentage green cover determined by digital image analysis (DIA), leaf firing (LF), turf quality (TQ), shoot vertical growth (VG), and dark green color index (DGCI). Results indicated that salinity tolerance varied among entries. Except LF, all parameters decreased as the salinity levels of the irrigation water increased. ‘Princess 77’ and ‘Yukon’ provided the highest level of performance among the common bermudagrass entries at the 30 dS·m−1 salinity level. At 45 dS·m−1, the percent green cover as measured using DIA varied from 4.97% to 16.11% among common bermudagrasses, where ‘SeaStar’ with a DIA of 22.92% was higher than all the common bermudagrass entries. The parameters LF, TQ, NDVI, DGCI, VG, and DIA were all correlated with one another. Leaf firing had the highest correlation with other parameters, which defined its value as a relative salinity tolerance measurement for common bermudagrass development and selection.

scholarly journals The Effects of Tillage and Fertilizers on Growth Characteristics of Kabuli Chickpea Under Mediterranean Conditions

2020 ◽  
Vol 23 (1) ◽  
pp. 18-23
Author(s):  
Mojtaba Nouraein ◽  
Hasan Kouchak-Khani ◽  
Mohsen Janmohammadi ◽  
Maryam Mohamadzadeh ◽  
Viorel Ion
Keyword(s):  
Block Design ◽  
Seedling Emergence ◽  
Farmyard Manure ◽  
Growth Yield ◽  
Ground Cover ◽  
Phosphorus And Potassium ◽  
Semi Arid Region ◽  
Complete Fertilizer ◽  
High Level ◽  
Tillage Methods

AbstractMediterranean semi-arid region is sensitive to physical, chemical and biological soil disturbances related to intensive tillage. Presented field experiment was conducted at Razan district, Hamedan, located in central west zone, Iran during the 2017–2018 growing season. It dealt with the effects of different tillage methods and treatments on growth, yield and yield contributing characters of spring Kabuli chickpea (Cicer arietinum L.) under irrigated condition. Effects of two tillage methods – inversion tillage (mouldboard ploughing – T1) and non-inversion tillage (chisel ploughing – T2) – in combination with five different fertilization treatments (C: complete fertilizer; 20FYM: 20 Mg·ha−1 farmyard manure; 40FYM: 40 Mg·ha−1 farmyard manure; NPK: nitrogen, phosphorus, and potassium at 2-1-1 ratio; 0: no fertilizer for the control purposes) were studied. The experiment was carried out in split block design with three replications. Results showed that application of 40FYM under T1 condition significantly decreased the number of days to seedling emergence. The highest number of days to flowering was recorded for plants cultivated with inorganic fertilization and reduced tillage. Application of large amounts of FYM significantly increased the ground cover and canopy width for both tillage methods. The highest number of secondary branches was recorded for combination 40FYM – T1, which was followed by C – T2. The pod number per plant was considerably sensitive to different combination of treatments and the best results were recorded for combinations 40FYM – T2; 20FYM – T2; and 40FYM – T1. A similar trend was also recorded for the total dry matter. The heaviest seeds were observed in cases with the application of high levels of FYM. The highest seed yield was observed for plants cultivated using 40FYM – T2. Furthermore, the highest harvest index was recorded for 40FYM – T2, and C – T2. The results indicate that non-inversion tillage together with high-level FYM application can significantly affect the yield levels.

scholarly journals Root Development and Profile Characteristics of Bermudagrass and Zoysiagrass

HortScience ◽  
2015 ◽  
Vol 50 (10) ◽  
pp. 1429-1434 ◽  
Author(s):  
Maria P. Fuentealba ◽  
Jing Zhang ◽  
Kevin E. Kenworthy ◽  
John E. Erickson ◽  
Jason Kruse ◽  
...  
Keyword(s):  
Root Development ◽  
Root Length ◽  
Cynodon Dactylon ◽  
Root Length Density ◽  
Block Design ◽  
Specific Root Length ◽  
Root Depth ◽  
Commercial Cultivars ◽  
Profile Characteristics ◽  
Common Bermudagrass

Irrigation for commercial and residential turf is becoming limiting, and water scarcity is one of the long-term challenges facing the turfgrass industry. Potential root development and profile characteristics of turfgrass provide important information regarding their drought resistance mechanisms and developing drought-resistant cultivars. The objective of this study was to determine the potential root development and root profile characteristics of two bermudagrass species and two zoysiagrass species using experimental lines and commercial cultivars. The species evaluated in the study were: African bermudagrass (Cynodon transvaalensis Burtt-Davy), common bermudagrass (CB) [Cynodon dactylon (L.) Pers. var. dactylon], Zoysia japonica (ZJ) (Steud), and Zoysia matrella (ZM) L. Plants were grown outdoors in clear acrylic tubes encased in poly vinyl chloride (PVC) sleeves. The experimental design was randomized complete block design with four replications. Rates of root depth development (RRDD) during the first 30 days were obtained. Root length density (RLD) in four different horizons (0–30, 30–60, 60–90, and 90–120 cm) was determined 60 days after planting. Specific root length (SRL, m·g−1) was also calculated dividing total root length by total root dry weight (RDW). The root depth in four turfgrass species increased linearly during the first 30 days after planting. Common bermudagrass (CB) had high RRDD and uniform RLD in different horizons, while ZM accumulated the majority of its roots in the upper 30 cm. Z. matrella had higher RLD than CB in the upper 30 cm. African bermudagrass had higher SRL than CB. There was limited variation within the two African bermudagrass genotypes studied except at the lowest horizon (90–120 cm). Two genotypes in CB and ZJ, respectively, including ‘UF182’ (ZJ), which consistently ranked in the top statistical group for RRDD, and RLD for every horizon, and ‘UFCD347’ (CB) demonstrated greater RLDs in the lower horizons in comparison with the commercial cultivars.

Forage palatability of Broussonetia papyrifera an invasive species in Ghana: Relative preference and palatability by sheep and goats

2018 ◽  
Vol 2 (2) ◽  
pp. 63-70 ◽  
Author(s):  
R. Obour
Keyword(s):  
Invasive Species ◽  
Leucaena Leucocephala ◽  
Condensed Tannin ◽  
Block Design ◽  
Wet Season ◽  
Broussonetia Papyrifera ◽  
Sheep And Goats ◽  
Relative Preference ◽  
Exotic Tree ◽  
High Level

Broussonetia papyrifera is an exotic tree widely grown for paper production. Due to its prolific regeneration it has invaded forestcanopy gaps and degraded farmlands and has now become an invasive species in Ghana. In enhancing its value for use the plantwas evaluated as potential forage for grazing animals vis-à-vis other two existing forage plants: Ficus exasperata and Leucaenaleucocephala.The study assessed the palatability and preference of Broussonetia papyrifera using sheep and goats for the wet anddry seasons.The species were assessed in indoor pen feeding trials using eight-unit (3×3 m) pens with the cafeteria method.The amount of forage offered was 100g (fresh material) in all instances for each species and for ten minutes. Adesign basedon 3×2×2 factorial in Randomized Complete Block Design (RCBD) was used to test the differences in palatability betweenthe three forage species.Results revealed that palatability was higher (P<0.05) in Leucaena leucocephala compared with Ficusexasperata and Broussonetia papyrifera for sheep and goats across seasons. The trend shown might be the result of the effectsof familiarity with the Leucaena leucocephala since animals tend to select plants that are familiar than newly introduced andunfamiliar plants. The study also revealed high level of condensed tannin (CT) in Broussonetia papyrifera which might haveinterfered with forage intake by the animals.There were no significant differences in palatability of Broussonetia papyrifera forgoat in both dry and wet season interactions and Ficus exasperata for goat in both dry and wet season interactions (P>0.05).Thestudy concluded that Broussonetia papyrifera could be a potential feed for both sheep and goats across seasons.The researchrecommended that livestock farmers should incorporate Broussonetia papyrifera feed into their programmes for both sheep andgoats and should be introduced to animals from infancy so that it may become a familiar feed for them.

Nutrients demand of cactus forage

2019 ◽  
Author(s):  
João Macedo Moreira ◽  
Aldrin Martin Pérez-Marin ◽  
Jucilene Silva Araújo ◽  
George Rodrigues Lambais ◽  
Aldo Sales
Keyword(s):  
Block Design ◽  
Nutrient Utilization ◽  
Nutrient Recovery ◽  
Fertilizer Treatment ◽  
Treatment Control ◽  
Mineral Fertilization ◽  
Randomized Block Design ◽  
Nutrient Use ◽  
Different Types ◽  
Semi Arid Region

The study aimed to evaluate the efficiency of nutrient use in three cactus forage (CF) cultivars (Opuntia stricta and Nopalea cochenillifera), 365 days after planting under different types of fertilizer in two research sites (Condado and Riachão) of the semi-arid region of Paraiba state, Brazil. The experimental design was a randomized block design with treatments in a factorial scheme (3×4), three cultivars of CF (Orelha de elefante Mexicana; Miúda; Bahiana), and four fertilizer treatment (Control; Manure; Manure with Nitrogen; Mineral fertilization) with four replications. The CF cultivars did not differ significantly in nutrient use. That means of physiological efficiency by CF cultivars were 1.62, and 2.36 kg of biomass per kg of nutrient applied in Condado and Riachão, respectively. The efficiency of nutrient recovery was 16% for the Condado, according the following order: K&gt; P&gt; Ca&gt; N&gt; C = Mg and 12% for Riachão: K&gt; P&gt; N&gt; C = Ca = Mg. In the two research sites, the treatment with mineral fertilization significantly increased the efficiency use of N, P and K in comparison to the other treatments. The average for efficiency of nutrient utilization was 25% and 19% for Condado and Riachão, respectively, in the following order for Condado: K&gt; P&gt; N&gt; Ca = Mg&gt; C, and Riachão: K&gt; P&gt; N&gt; C&gt; Mg = Ca. In a CF production system aiming to obtain a yearly harvest cycle, it is necessary to replenish of K and P to maintain the nutritional balance between the soil and CF plant.

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