Can Fertilizers Increase the Seed Yield of Two Native Herb Species in the Subarctic? Implications for Wild Seed Collection

2018 ◽  
Vol 36 (3) ◽  
pp. 169-171
Author(s):  
Brittany Rantala-Sykes ◽  
Daniel Campbell
Keyword(s):  
Seed Yield ◽  
Seed Collection ◽  
Herb Species ◽  
Wild Seed

Seed productivity of alfalfa sowing depending on precipitation and air temperature for the vegetation period

2020 ◽  
Author(s):  
Vladimir Kramarenko
Keyword(s):  
Air Temperature ◽  
Seed Yield ◽  
Vegetation Period ◽  
Meteorological Conditions ◽  
Industrial Technology ◽  
South Urals ◽  
Seed Productivity ◽  
Seed Collection ◽  
Wide Range ◽  
Alfalfa Varieties

The results of ecological testing of alfalfa varieties zoned for the South Urals for seeds cultivated according to industrial technology are presented. Meteorological conditions had a significant impact on seed yield. The size of the crop varied over a wide range from 0 to 350 kg/ha. On average, over the years of study, seed collection was about 78 kg/ha.

scholarly journals Response of Seed Collection from Different Parts on the Growth and Yield of Lentil

1970 ◽  
Vol 45 (3) ◽  
pp. 197-204
Author(s):  
A Khatun ◽  
MAH Bhuiyan ◽  
MS Alam
Keyword(s):  
Key Words ◽  
Seed Yield ◽  
Significant Variation ◽  
Seed Weight ◽  
Field Experiments ◽  
Growth Yield ◽  
Growth And Yield ◽  
Yield Attributes ◽  
Seed Collection ◽  
Different Parts

Field experiments were carried out to determine the effects of seeds collected from different parts on growth, yield and yield attributes of lentil. Lentil seeds of three varieties (BARI Masur-2, BARI Masur-3 and BARI Masur-4) were collected from different parts i.e. P1: collection of pods from upper parts of lentil plants, P2: collection of pods from middle parts of lentil plants, P3: collection of pods from lower parts of lentil plants prior to harvesting. All the seeds were stored in earthen pot until conducting the laboratory study. Non-significant variation was observed in three varieties of lentil for most of the parameters studied. The highest plant height, pods plant-1, seeds pod-1, 1000- seed weight and seed yield were observed in BARI Masur-4 and the lowest in BARI Masur-2. Seeds collected from middle parts of lentil recorded the highest pods plant-1, seeds pod-1 and seed yield (804 kg ha-1 in 2004-05 and 838 kg ha-1 in 2005-06). BARI Masur-3 seeds were collected from middle parts and BARI Masur-4 from lower parts recorded higher seed yield (1003 kg ha-1 in 2004-05 and 1012 kg ha-1 in 2005-06 for BARI Masur-3 x P2, 1061 kg ha-1 in 2004-05 and 856 kg ha-1 in 2005-06 for BARI Masur-4 x P3). Key words: Lentil; Seed collection; Variety; Seed yield. DOI: 10.3329/bjsir.v45i3.6528Bangladesh J. Sci. Ind. Res. 45(3), 197-204, 2010

scholarly journals A Method to Evaluate White Spruce Cone Crops

1978 ◽  
Vol 54 (2) ◽  
pp. 88-91 ◽  
Author(s):  
R. F. Calvert
Keyword(s):  
Seed Production ◽  
Seed Yield ◽  
Classification System ◽  
White Spruce ◽  
Crop Quality ◽  
Seed Collection ◽  
Poor Seed ◽  
Regression Techniques ◽  
Quality Rating ◽  
The Mean

The objective of this study was to investigate variation in cone size and seed production in Manitoba white spruce so that general guides to seed collection could be developed. Relationships were established using regression techniques which permitted the development of a three category cone crop classification system based on the probable yield of sound seed from cones. It is tentatively suggested to use this system, that the mean number of filled seed on one half of longitudinal cone sections be determined from a minimum of five to ten cones taken from all aspects of the top two to three m of each of six to ten dominant or co-dominant trees. A crop quality rating is then determined by relating this to a graph which indicates a Good, Fair or Poor seed yield.

scholarly journals Irrigation Requirements for Seed Production of Three Leguminous Wildflowers of the U.S. Intermountain West

HortScience ◽  
2018 ◽  
Vol 53 (5) ◽  
pp. 692-697 ◽  
Author(s):  
Clinton C. Shock ◽  
Erik B.G. Feibert ◽  
Alicia Rivera ◽  
Lamont D. Saunders ◽  
Nancy Shaw ◽  
...  
Keyword(s):  
Seed Production ◽  
Seed Yield ◽  
Cultural Practices ◽  
State University ◽  
Intermountain West ◽  
Spring Precipitation ◽  
Applied Water ◽  
Seed Collection ◽  
Yield Responses ◽  
Seed Yields

Increasing the supply of native wildflower seed is essential for restoring burned and degraded wildlands in the Intermountain West. Limitations to wildland seed collection necessitate development of effective cultural practices to improve reliability of seed production in agricultural fields. Irrigation trials were conducted over multiple years for three perennial species in the Fabaceae family [Dalea ornata (Douglas ex Hook.) Eaton & J. Wright, Dalea searlsiae (A. Gray) Barneby, and Astragalus filipes Torr. ex A. Gray]. Each of the three species was grown at the Oregon State University Malheur Experiment Station, Ontario, OR and received 0, 100, or 200 mm·year−1 of drip irrigation in four equal biweekly increments during bud formation and flowering. Seed yield responses to irrigation were evaluated by linear and quadratic regression against 1) applied water, 2) applied water plus spring precipitation, 3) applied water plus winter and spring precipitation, and 4) applied water plus fall, winter, and spring precipitation. In general, seed yields responded quadratically to irrigation. Adding fall, winter, and spring precipitation to applied water improved the accuracy of estimated water requirements for maximum seed production of D. ornata and D. searlsiae. For D. ornata, the highest yields averaged 396 kg·ha−1 and ranged from 146 to 545 kg·ha−1. Averaged over 6 years, seed yield of D. ornata was highest with applied water plus fall, winter, and spring precipitation totaling 393 mm. For D. searlsiae, the highest yields averaged 260 kg·ha−1 and ranged from 51 to 424 kg·ha−1. Averaged over 6 years, seed yield of D. searlsiae was highest with applied water plus fall, winter, and spring precipitation totaling 412 mm. Seed yields of A. filipes ranged from 7 to 110 kg·ha−1 depending on year and averaged 40 kg·ha1 over 6 years. Seed yields of A. filipes did not respond to irrigation in any of the 5 years of testing.

PERFORMANCE OF TORIA (BRASSICA COMPESTRIS SYN. RAPA L.) VARIETY: RAJ VIJAY TORIA-2 IN CENTRAL, EASTERN AND NORTH-EASTERN STATES OF INDIA UNDER RAINFED CONDITION

2018 ◽  
Vol 24 (2) ◽  
Author(s):  
VIMLESH KUMAR TIWARI
Keyword(s):  
Seed Yield ◽  
Rainfed Condition ◽  
Significant Difference ◽  
North Eastern ◽  
Finger Printing ◽  
Quantitative And Qualitative Traits ◽  
Central Eastern ◽  
Dna Finger Printing ◽  
Mature Seeds ◽  
Weight Trait

Performance of developed genotype RMT 08-2 was evaluated in central, eastern and north-eastern states of India under rain-fed condition for quantitative and qualitative traits. It gave highest seed yield over checks in zone III and V. Morphologically plants were erect, medium spreading in nature and primary branches with dichotomous habit. Plants height ranged from 107124 (cm) which matured in 82-112 days. Mature seeds were round in shape and blackish brown in colour. No significant difference between RVT-2 and checks were observed for test weight trait. An average oil yield 485 (kg/h) was recorded over 7 places which was 10% higher than both checks i.e. 14.12% and 11.24% under AICRP trials. Maximum seed yield was obtained on farmers field during 2013-14 and 2014-15 which was 1500 (kg/h) and 1215 (kg/h) that is 33.42% and 26.30% respectively over farmers own seeds. At Morena center, highest seed yield (1753 kg/h) over Bhawani (1512 kg/h) was 15.94% higher than check whereas RVT-2 gave 2245 (kg/h) against Bhawani (1975 kg/h) which was 13.67% higher. DNA finger printing indicated that primers PUT-19, PUT-96, PUT-149, PUT-169, PUT-181 and PUT-271 are useful in generating unique profile of RVT-2 containing 27 bands for its discrimination from other varieties.

STUDY OF EFFECT OF EMS, MMS AND GR ON YIELD CONTRIBUTING TRAITS IN URDBEAN, VIGNA MUNGO

2017 ◽  
Vol 23 (1) ◽  
Author(s):  
A. B. SAGADE
Keyword(s):  
Plant Height ◽  
Seed Yield ◽  
Seed Weight ◽  
Inhibitory Effect ◽  
Individual Plant ◽  
Mean Values ◽  
Methane Sulphonate ◽  
Pod Length ◽  
100 Seed Weight ◽  
Number Of Seeds

The study of the effect of three well known mutagens, ethyl methane sulphonate (EMS), methyl methane sulphonate (MMS) and gamma rays (GR) on the yield contributing traits of the urdbean variety TPU-4 were carried out in the M3 generation. Effect of selected mutagenic treatments/doses of EMS (0.02, 0.03 and 0.04 M), MMS (0.0025, 0.05 and 0.01 M) and (GR) (30, 40 and 50 KR) on different yield contributing traits like plant height, plant spread, number of pods per plant, pod length, number of seeds per pod, seed yield per plant and 100 seed weight were analyzed in the M3 populations of the variety TPU-4. Seeds of M2 plants and control were harvested separately and sown to raise M3 population.. Genetic variabilty in the mutagen administered M3 progeny of the urdbean variety TPU-4 was analyzed by employing statistical methods. Data on mean values and shift in the mean of seven quantitative traits was evaluated on individual plant basis. The experimental findings revealed that concentrations / dose of the all these mutagens showed inhibitory effect on plant height, number of pods per plant, pod length and number of seeds per pod. Lower concentrations of mutagens exerted a promotory effect on plant spread, 100 seed weight and seed yield per plant while higher concentrations of these mutagens inhibited them to different extent.

Pasture species and cultivars used in New Zealand - a list

1999 ◽  
pp. 147-166 ◽  
Author(s):  
J.F.L. Charlton ◽  
A.V. Stewart
Keyword(s):  
New Zealand ◽  
Red Clover ◽  
Birdsfoot Trefoil ◽  
Reference List ◽  
Commercial Activity ◽  
Animal Products ◽  
Prairie Grass ◽  
Brome Grass ◽  
Industry Needs ◽  
Herb Species

In recent years, the number of pasture species and cultivars commercially available to farmers in New Zealand has increased significantly. Reasons for this include increased commercial activity in the development and supply of proprietary cultivars, and more specialisation in New Zealand's pastoral agriculture. In particular, pasture cultivars are increasingly marketed as proprietary products with associated technical support. This year there are 109 certified cultivars available, belonging to 23 grass, legume and herb species. As a result, farmers are now able to develop improved pasture feed supply, but they are somewhat confused about pasture species and cultivars, and this frustrates their aims to produce high quality animal products from productive pastures. Accordingly, the herbage seeds industry needs to work from a clear reference list, to avoid any confusion when supplying farmers and overseas clients with their seed requirements. Our list of pasture species, types and cultivars available within New Zealand aims to be that reference. Keywords: birdsfoot trefoil, brome grass, caucasian clover, chicory, clover, cocksfoot, cultivars, herbs, lotus, lucerne, pasture, phalaris, plantain, prairie grass, red clover, ryegrass, seeds, species, strawberry clover, sub clover, tall fescue, timothy, types, white clover, Yorkshire fog

THE SUCCESS OF THE LUCERNE MESSAGE IN MARLBOROUGH

1981 ◽  
pp. 179-183
Author(s):  
A.J. Cresswell
Keyword(s):  
North America ◽  
Weed Control ◽  
Seed Yield ◽  
Insect Pest ◽  
Fold Increase ◽  
Plant Spacing ◽  
Insect Pest Control ◽  
One Year ◽  
Seed Yields ◽  
New Cultivars

This paper, as well as being a testimonial to the benefit the writer has received from the Grassland Association, shows how the knowledge of scientists has been used to increase lucerne seed yields by methods of growing resistant cultivars especially for seed production as opposed to growing for hay, silage or grazing. It shows how new cultivars can be multiplied quickly by growing two crops in one year, one in each hemisphere, by using low seeding rates, wide plant spacing and very good weed control. Increased flowering of the crop has been achieved by the use of boron and the choice of time of closing; better pollination has been achieved by the use of more efficient bees - two varieties of which have been imported from North America. Weed and insect pest control and the use of a desiccant at harvest are contributing to a four-fold increase in seed yield, which should double again soon,

Combining ability and heterosis studies across environments in linseed (Linum usitatissimum L.)

2011 ◽  
Vol 59 (1) ◽  
pp. 87-102 ◽  
Author(s):  
S. Sood ◽  
N. Kalia ◽  
S. Bhateria
Keyword(s):  
Seed Yield ◽  
Linum Usitatissimum ◽  
Combining Ability ◽  
Yield Components ◽  
Block Design ◽  
Linum Usitatissimum L ◽  
Randomized Block Design ◽  
Component Traits ◽  
Parental Lines ◽  
Fibre Yield

Combining ability and heterosis were calculated for fourteen lines of linseed in a line × tester mating design using twelve lines and two diverse testers in two different environments. The hybrids and parental lines were raised in a completely randomized block design with three replications to investigate seed and fibre yield and their component traits. Genetic variation was significant for most of the traits over environments. Combining ability studies revealed that the lines KL-221 and LCK-9826 were good general combiners for seed yield and most of its components, whereas LMH-62 and LC-2323 were good general combiners for yield components only. Moreover, KL-221 was also a good general combiner for fibre yield. Similarly, B-509 and Ariane were good general combiners for fibre yield and most of its components. Among the specific cross combinations, B-509 × Flak-1 was outstanding for seed yield per plant and B-509 × KL-187 and LC-2323 × LCK-9826 for fibre yield per plant, with high SCA effects. In general, the hybrids excelled their respective parents and the standard checks for most of the characters studied. Based on the comparison of mean performance, SCA effects and the extent of heterosis, the hybrids LC-2323 × LCK-9826 and B-509 × KL-221 appeared to be the most promising for both seed and fibre yield. Other promising combinations were LC-2323 × KL-210 and B-509 × Ariane for seed and fibre yield, respectively. The superiority of LC-2323, LCK-9826, KL-221, B-509 and Ariane as good general combiners was further confirmed by the involvement of these parents in the desirable cross combinations.

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