scholarly journals chlorophyll autofluorescence in globular and heart-shaped embryos of some dicotyledons

2014 ◽  
Vol 65 (1-2) ◽  
pp. 161-166
Author(s):  
B. Fyk ◽  
J. Bednara ◽  
B. Rodkiewicz
Keyword(s):  
Phaseolus Vulgaris ◽  
Pisum Sativum ◽  
Basal Part ◽  
Lamellar System ◽  
Globular Embryos ◽  
Early Embryos ◽  
Chlorophyll Autofluorescence ◽  
Cardamine Pratensis ◽  
Lathyrus Vernus

The regions in early embryos of several species display chlorophyll autofluorescence in a certain order. First, autofluorescence in <em>Pisum sativum</em> appears in the basal part of globular embryos; in <em>Lathyrus vernus</em> in the basal part of early heart embryos; in <em>Cardamine pratensis</em> at the sides of the hypocotyl or in <em>Phaseolus vulgaris</em> in the hypocotyl of elongating heart-shaped embryos. Chlorophyll autofluorescence in an embryo proper of <em>Pisum</em> coincides with the development of a lamellar system in the plastids. The suspensorial plastids remain undifferentiated with one or two DNA positive nucleoids. <em>Cardamine</em>, <em>Lathyrus</em>, <em>Phaseolus</em> and <em>Pisum</em> suspensors give no chlorophyll autofluorescence.

scholarly journals Biological control of Phaseolus vulgaris and Pisum sativum root rot disease using Trichoderma species

2021 ◽  
Vol 31 (1) ◽  
Author(s):  
Hammad Abdelwanees Ketta ◽  
Omar Abd El-Raouf Hewedy
Keyword(s):  
Phaseolus Vulgaris ◽  
Pisum Sativum ◽  
Common Bean ◽  
Root Rot ◽  
Fungal Pathogens ◽  
Plant Diseases ◽  
Root Rot Disease ◽  
Pea Root ◽  
Rot Disease ◽  
Pea Root Rot

Abstract Background Root rot pathogens reported to cause considerable losses in both the quality and productivity of common bean (Phaseolus vulgaris L.) and pea (Pisum sativum L.). It is an aggressive crop disease with detriment economic influence caused by Fusarium solani and Rhizoctonia solani among other soil-borne fungal pathogens. Destructive plant diseases such as root rot have been managed in the last decades using synthetic pesticides. Main body Seeking of economical and eco-friendly alternatives to combat aggressive soil-borne fungal pathogens that cause significant yield losses is urgently needed. Trichoderma emerged as promising antagonist that inhibits pathogens including those inducing root rot disease. Detailed studies for managing common bean and pea root rot disease using different Trichoderma species (T. harzianum, T. hamatum, T. viride, T. koningii, T. asperellum, T. atroviridae, T. lignorum, T. virens, T. longibrachiatum, T. cerinum, and T. album) were reported both in vitro and in vivo with promotion of plant growth and induction of systemic defense. The wide scale application of selected metabolites produced by Trichoderma spp. to induce host resistance and/or to promote crop yield, may represent a powerful tool for the implementation of integrated pest management strategies. Conclusions Biological management of common bean and pea root rot-inducing pathogens using various species of the Trichoderma fungus might have taken place during the recent years. Trichoderma species and their secondary metabolites are useful in the development of protection against root rot to bestow high-yielding common bean and pea crops.

Effects of Triazines on Energy Relations of Mitochondria and Chloroplasts

Weed Science ◽  
1974 ◽  
Vol 22 (2) ◽  
pp. 164-166 ◽  
Author(s):  
O. C. Thompson ◽  
B. Truelove ◽  
D. E. Davis
Keyword(s):  
Phaseolus Vulgaris ◽  
Pisum Sativum ◽  
Rat Liver ◽  
Potent Inhibitor ◽  
Liver Mitochondria ◽  
Rat Liver Mitochondria ◽  
Cyclic Photophosphorylation ◽  
Energy Relations

The effects of eights-triazines on respiration of (Phaseolus vulgarisL. ‘Black Valentine’) bean and rat liver mitochondria and on cyclic photophosphorylation of pea (Pisum sativumL. ‘Thomas Laxton’) chloroplasts were determined. All triazines inhibited state 3 respiration and cyclic photophosphorylation. The degree of inhibition was similar in both rat liver and bean mitochondria. Prometryne [2,4-bis-(isopropylamino)-6-(methylthio)-s-triazine] was the most potent inhibitor of both respiration and cyclic photophosphorylation. Triazines with the methylthio group showed the most activity, followed by those with the methoxy and chloro substituents in that order.

Uptake and Translocation of Nitrofen and Oxyfluorfen

Weed Science ◽  
1977 ◽  
Vol 25 (2) ◽  
pp. 111-114 ◽  
Author(s):  
Omosuyi Fadayomi ◽  
G.F. Warren
Keyword(s):  
Glycine Max ◽  
Phaseolus Vulgaris ◽  
Pisum Sativum ◽  
Herbicidal Activity ◽  
Fresh Weight ◽  
Root Exposure ◽  
Almost All ◽  
Species Translocation ◽  
Test Plants ◽  
Pot Technique

The site of uptake of nitrofen (2,4-dichlorophenyl-p-nitrophenyl ether) and oxyfluorfen [2-chloro-1-(3-ethoxy-4-nitrophenoxy)-4-(trifluoromethyl)benzene] was studied using a double pot technique. Sorghum [Sorghum bicolor(L.) Moench ‘RS610′] and pea (Pisum sativumL. ‘Alaska’) were the test plants. Herbicidal activity measured by the reduction in fresh weight of the roots and shoots of treated plants showed that exposure of the shoot zone to the herbicides caused much more injury to the plants than root exposure. Translocation of both compounds from root applications to tops of pea and sorghum was studied using14C-labeled herbicides. There was very little movement of the compounds from the roots of both species. Translocation of the compounds from foliage application was studied using greenbean (Phaseolus vulgarisL. ‘Spartan Arrow’) and soybean [Glycine max(L.) Merr ‘Wayne’]. Almost all of the applied14C-herbicides remained at the point of application.

Divergence of chloroplast gene organization in three legumes: Pisum sativum, Vicia faba and Phaseolus vulgaris

1986 ◽  
Vol 7 (2) ◽  
pp. 143-149 ◽  
Author(s):  
Edwin J. Crouse ◽  
Mfika Mubumbila ◽  
Bjarn M. Stummann ◽  
Gerhard Bookjans ◽  
Christine Michalowski ◽  
...  
Keyword(s):  
Phaseolus Vulgaris ◽  
Pisum Sativum ◽  
Vicia Faba ◽  
Gene Organization ◽  
Chloroplast Gene
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