scholarly journals Phytotoxic Effects of Bunchgrass Residues on Germination and Initial Root Growth of Yellow Sweetclover

1977 ◽  
Vol 30 (1) ◽  
pp. 39 ◽  
Author(s):  
W. J. Rietveld
Keyword(s):  
Root Growth ◽  
Phytotoxic Effects ◽  
Initial Root

Influence of BAS-145138 on the Activity of Sulfonylurea and Imidazolinone Herbicides

1991 ◽  
Vol 46 (11-12) ◽  
pp. 939-944
Author(s):  
Robert M. Devlin ◽  
Irena I. Zbiec
Keyword(s):  
Root Growth ◽  
Dry Weight ◽  
Sulfonylurea Herbicides ◽  
Fresh Weight ◽  
Phytotoxic Activity ◽  
Phytotoxic Effects ◽  
Shoot And Root Growth ◽  
Imidazolinone Herbicides

This study demonstrates that corn can be partially safened by BAS-145138 against sulfonylurea and imidazolinone herbicides. The corn seeds were impregnated with BAS-145138 by soaking the seeds for 6 h in solutions of the safener. BAS-145138 had no effect on corn growth. However, corn shoot and root growth in length, fresh weight, and dry weight was partially protected by BAS-145138 from the phytotoxic effects of the sulfonylurea herbicides thiameturon and CGA -136872. Similar protection was given to corn against the phytotoxic activity of the imidazolinone herbicides imazapyr, imazaquin, and imazethapyr. This study suggests that corn could be safened with BAS-145138 against the phytotoxic effects of residual amounts of sulfonylurea and imidazolinone herbicides found in fields where wheat/corn or soybean/corn rotations take place.

Survival and growth of four amabilis fir stock types on Vancouver Island

1991 ◽  
Vol 67 (2) ◽  
pp. 147-154 ◽  
Author(s):  
F. T. Pendl ◽  
B. N. D'Anjou
Keyword(s):  
Root Growth ◽  
Lateral Roots ◽  
Survival Rates ◽  
Field Performance ◽  
Vancouver Island ◽  
Growth Capacity ◽  
Root Growth Capacity ◽  
Stock Type ◽  
Stock Types ◽  
Initial Root

Four stock types of amabilis fir (Abies amabilis) planted on Vancouver Island were compared for root growth capacity and field performance. Initial root growth capacity ratings and field performance of the stock types after five years differed significantly. Ranking the stock types by decreasing survival, stem height and diameter: 1 + 1 PBR 211 (89.4%, 78 cm, 15.7 mm), 1 + 0 PSB 313 (79.7%, 73 cm, 13.8 mm), 1 + 0 PSB 211 (76.8%, 66 cm, 12.9 mm) and 2 + 0 BR (58.9%, 59 cm, 11.0 mm). Given current nursery and planting costs and survival rates, the 1 + 0 PSB 313 and 211 are least expensive reforestation options, the 2 + 0 BR and 1 + 1 PBR 211 the most expensive. Root form of samples of each stock type lack well developed tap and lateral roots with root spiralling evident in the styroblock stock. Key words: Amabilis fir, stock types, bareroot, styroblock plugs

scholarly journals Effect of the Seedlings Difference in Cylindrical Paper Pot Trays on Initial Root Growth and Yield of Pepper

2017 ◽  
Vol 26 (4) ◽  
pp. 368-377 ◽  
Author(s):  
Tae Cheol Seo ◽  
태철 서 ◽  
Se Woong An ◽  
Sun Min Kim ◽  
Chun Woo Nam ◽  
...  
Keyword(s):  
Root Growth ◽  
Growth And Yield ◽  
Initial Root

Water availability effects on germination, membrane stability and initial root growth of Agave lechuguilla and A. salmiana

Flora ◽  
2020 ◽  
Vol 268 ◽  
pp. 151606
Author(s):  
Huitziméngari Campos ◽  
Carlos Trejo ◽  
Cecilia B. Peña-Valdivia ◽  
Rodolfo García-Nava ◽  
F. Víctor Conde-Martínez ◽  
...  
Keyword(s):  
Root Growth ◽  
Water Availability ◽  
Membrane Stability ◽  
Initial Root

Root mapping of three tropical pasture species using 32P

1969 ◽  
Vol 9 (39) ◽  
pp. 445 ◽  
Author(s):  
RA Bray ◽  
JB Hacker ◽  
DE Byth
Keyword(s):  
Root Growth ◽  
Root Development ◽  
Lateral Root ◽  
Sandy Loam ◽  
Lateral Roots ◽  
Root Systems ◽  
Growth Patterns ◽  
Constant Rate ◽  
Initial Root

Root growth patterns of Glycine javanica, Setaria anceps, and Medicago sativa were studied by uptake of 32P from a sandy loam. Placement of isotope was through permanently positioned PVC conduit on a grid over a 90� quadrant of the root system. Detection of radioactivity was in in situ plant material. Lucerne had strong initial root development but was slow to form lateral roots. Glycine and Setaria had quite similar root systems although Setaria had more rapid vertical root development than Glycine. Both these species had strong lateral root systems. When a regression of minimum root length against time was calculated, lateral root growth was shown to be independent of depth and distance from the plant, suggesting that roots behave as if growing from a point source in random directions at a constant rate. This rate was the same for all species. There were also indications of strong vertical root systems in lucerne and Setaria.

The phytotoxic effects of selenium–mercury interactions on root growth in Brassica rapa (LvLing)

2016 ◽  
Vol 57 (3) ◽  
pp. 232-240 ◽  
Author(s):  
Zhi-Wei Bian ◽  
Jian Chen ◽  
Hui Li ◽  
Dan-Dan Liu ◽  
Li-Fei Yang ◽  
...  
Keyword(s):  
Root Growth ◽  
Brassica Rapa ◽  
Phytotoxic Effects

Influence of BAS-145138 on the Activity of Sulfonylurea and Imidazolinone Herbicides

1991 ◽  
Vol 46 (9-10) ◽  
pp. 939-944 ◽  
Author(s):  
Robert M. Devlin ◽  
Irena I. Zbiec
Keyword(s):  
Root Growth ◽  
Dry Weight ◽  
Sulfonylurea Herbicides ◽  
Fresh Weight ◽  
Phytotoxic Activity ◽  
Phytotoxic Effects ◽  
Shoot And Root Growth ◽  
Imidazolinone Herbicides

AbstractThis study demonstrates that corn can be partially safened by BAS-145138 against sulfonyl­urea and imidazolinone herbicides. The corn seeds were impregnated with BAS-145138 by soaking the seeds for 6 h in solutions of the safener. BAS-145138 had no effect on corn growth. However, corn shoot and root growth in length, fresh weight, and dry weight was partially protected by BAS-145138 from the phytotoxic effects of the sulfonylurea herbicides thiametu­ron and CGA -136872. Similar protection was given to corn against the phytotoxic activity of the imidazolinone herbicides imazapyr, imazaquin, and imazethapyr. This study suggests that corn could be safened with BAS-145138 against the phytotoxic effects of residual amounts of sulfonylurea and imidazolinone herbicides found in rotations take place.

Effects of a triazole, uniconazol, on shoot elongation and root growth in loblolly pine

1992 ◽  
Vol 22 (1) ◽  
pp. 1-4 ◽  
Author(s):  
A. D. Barnes ◽  
W. D. Kelley
Keyword(s):  
Aqueous Solution ◽  
Root Growth ◽  
Loblolly Pine ◽  
Growing Season ◽  
Seed Orchard ◽  
Shoot Elongation ◽  
Height Growth ◽  
Phytotoxic Effects ◽  
Growth Of Seedlings

Uniconazol, applied in an aqueous solution to 3-year-old loblolly pine (Pinustaeda L.) at the soil–stem interface, decreased height growth by up to 55% after one growing season without phytotoxic effects. Results suggest that uniconazol may be useful in controlling height growth of seedlings and seed-orchard trees. The triazoles uniconazol, paclobutrazol, and BAS011106W were tested for effects on loblolly pine root growth. Root-applied uniconazol consistently increased root growth of 1-year-old seedlings. At 100 mg•L−1, uniconazol increased the number of new roots and survival by 47 and 19%, respectively. The increase in survival of uniconazol-treated seedlings was not statistically significant, but the tendency is encouraging.

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