scholarly journals Interaction of Succinic Acid-2,2-Dimethylhydrazide and Gibberellic Acid on Dwarf Bean and Dwarf Corn

1971 ◽  
Vol 24 (4) ◽  
pp. 1347
Author(s):  
N Veinbrants ◽  
KS Rowan

Although succinic acid-2,2-dimethylhydrazide (Alar) is usually classed as an antagonist of gibberellins, it does not inhibit synthesis of gibberellin in Fusarium (Ninneman et al. 1964; Dennis, Upper, and West 1965), nor inhibit release of reducing sugars from barley endosperm by gibberellic acid (GAa) (Paleg et al. 1965) or interact additively with ammonium(5-hydroxycarvacryl)trimethyl chloride piperidine carboxylate (Amo 1618) or (2-chloroethyl)trimethylammonium chloride (CCC) (Moore 1967). In addition, Alar reverses inhibition of growth of rice plants induced by CCC (Hishra and Paul 1967). In this paper we show that while Alar antagonizes the action of GAa in dwarf bean, it shows positive synergism with GAa in stimulating the growth of the first leaf sheath of dwarf corn (d1).

1975 ◽  
Vol 55 (1) ◽  
pp. 117-120 ◽  
Author(s):  
N. E. LOONEY

Succinic acid-2,2-dimethylhydrazide (SADH) did not improve berry set of Himrod and de Chaunac grapes; (2-chloroethyl) trimethylammonium chloride (CCC) improved berry set of both cultivars but had deleterious effects on berry quality. Gibberellic acid (GA3), applied as a post-bloom spray, increased set and reduced acidity of Himrod grapes.


1981 ◽  
Vol 38 (1) ◽  
pp. 99-112
Author(s):  
Paulo R.C. Castro ◽  
Roberto S. Moraes

This research deals with the effects of growth regulators on flowering and pod formation in soybean plant (Glycine max cv. Davis). Under greenhouse conditions, soybean plants were sprayed with 2,3,5-triiodobenzoic acid (TIBA) 20 ppm, Agrostemmin (1g/10 ml/3 l) gibberellic acid (GA) 100 ppm, and (2-chloroethyl) trimethylammonium chloride (CCC) 2,000 ppm. Application of TIBA increased number of flowers. 'Davis' soybean treated with CCC and TIBA presented a tendency to produce a lower number of pods.


1984 ◽  
Vol 50 (3) ◽  
pp. 368-374 ◽  
Author(s):  
Eishiro SHIKATA ◽  
Shinji KAWANO ◽  
Toshihiro SENBOKU ◽  
Emmanuel R. TIONGCO ◽  
Kuniyuki MIYAJIMA

1981 ◽  
Vol 38 (1) ◽  
pp. 127-138 ◽  
Author(s):  
Paulo R.C. Castro ◽  
Roberto S. Moraes

This research deals with the effects of exogenous growth regulators on production of soybean plant (Glycine max cv.. Davis) under greenhouse conditions, At the flower anthesis, 2,3,5-triiodobenzoic acid (TIBA) 20 ppm was applied. Other two applications with TiBA, with intervals of four days, were realized. Before flowering, Agrostemin (1 g/10 ml/3 1), gibberellic acid (GA) 100 ppm, and (2-chloroethyl) trimethylammonium chloride (CCC) 2,000 ppm were applied. It was observed that CCC and TIBA reduced stem dry weight. Soybean plants treated with TIBA reduced weight of pods without seeds , seed number and seed weight.


Weed Science ◽  
1977 ◽  
Vol 25 (2) ◽  
pp. 142-144
Author(s):  
Robert M. Devlin ◽  
Stanislaw J. Karczmarczyk

The uptake of naptalam (N-1-naphthylphthalamic acid) by wheat (Triticum vulgareL. ‘Mericopa’) and soybean (Glycine max(L.) Merr. ‘York’) was enhanced when the herbicide was applied simultaneously with SADH (succinic acid-2,2-dimethylhydrazide). Both root and shoot systems of growth regulator-treated plants exhibited enhanced herbicide uptake. Naptalam uptake by wheat seedlings was also stimulated by GA (gibberellic acid), but the GA influence in this respect was less dramatic than that of SADH. The uptake of the herbicide by soybean was not influenced by GA.


1962 ◽  
Vol 68 (4) ◽  
pp. 322-332 ◽  
Author(s):  
Anna M. MacLeod ◽  
A. S. Millar

2006 ◽  
Vol 96 (4) ◽  
pp. 425-431 ◽  
Author(s):  
T. Kobayashi ◽  
K. Ishiguro ◽  
T. Nakajima ◽  
H. Y. Kim ◽  
M. Okada ◽  
...  

The effect of elevated atmospheric CO2 concentration on rice blast and sheath blight disease severity was studied in the field in northern Japan for 3 years. With free-air CO2 enrichment (FACE), rice plants were grown in ambient and elevated (≈200 to 280 μmol mol-1 above ambient) CO2 concentrations, and were artificially inoculated with consist of Magnaporthe oryzae. Rice plants grown in an elevated CO2 concentration were more susceptible to leaf blast than those in ambient CO2 as indicated by the increased number of leaf blast lesions. Plants grown under elevated CO2 concentration had lower leaf silicon content, which may have contributed to the increased susceptibility to leaf blast under elevated CO2 concentrations. In contrast to leaf blast, panicle blast severity was unchanged by the CO2 enrichment under artificial inoculation, whereas it was slightly but significantly higher under elevated CO2 concentrations in a spontaneous rice blast epidemic. For naturally occurring epidemics of the sheath blight development in rice plants, the percentage of diseased plants was higher under elevated as opposed to ambient CO2 concentrations. However, the average height of lesions above the soil surface was similar between the treatments. One hypothesis is that the higher number of tillers observed under elevated CO2 concentrations may have increased the chance for fungal sclerotia to adhere to the leaf sheath at the water surface. Consequently, the potential risks for infection of leaf blast and epidemics of sheath blight would increase in rice grown under elevated CO2 concentration.


2019 ◽  
Vol 18 (2) ◽  
pp. 169
Author(s):  
Selvi Helina ◽  
Sri Sulandari ◽  
Sedyo Hartono ◽  
Andi Trisyono

Detection and Transmission of  rice stunt virus on Ciherang and Situ Bagendit Varieties. The explosion of brown planthoppers recently has caused reduction of rice production in Indonesia. Brown planthoppers do not only act as pest, but also transmit Rice grassy stunt virus (RGSV) and Rice ragged stunt virus (RRSV). Detection of the existence of the two viruses in rice plants and vector insects is important to be done to ensure that the virus is infected with the vector. The aim of this research is to detect the existence of virus in varieties of Ciherang and Situ Bagendit as a result of transmission in the laboratory and to find out the ability of brown planthoppers to transmit stunt virus to both of the varieties. This research was compiled using Completely Randomized Design (CRD) with 4 treatments, namely healthy rice plants of Ciherang and Situ Bagendit varieties, Ciherang and Situ Bagendit varieties which were infested by brown planthoppers each with 5 repetitions. The parameters observed were incubation period, symptoms, plant height, number of leaves and incidence of disease. The data on plant height, number of leaves and incidence of disease were analyzed using ANOVA and continued with the Least Significant Difference (LSD) test at the level of 5%. The results showed that Ciherang and Situ Bagendit varieties were only positively infected by Rice ragged stunt virus. The results of the rice transmission showed that Ciherang variety had a faster incubation period of 10 DAI while Situ Bagendit was 14 DAI, but the two varieties showed an inhibition of growth in plant height and number of leaves compared to healthy plants with each incidence of 51.3% and 46.3%.


1981 ◽  
Vol 38 (1) ◽  
pp. 289-298 ◽  
Author(s):  
Paulo R.C. Castro

The effects of growth substances on productivity of 'Davis' soybean maintained under competition was investigated. Before the flowering, Agrostemmin (1 g/10 ml/3 1), gibberellic acid (GA) 100 ppm, and (2-chloroethyl) trimethylammonium chloride (CCC) 2,000 ppm were applied. At the flower anthesis, 2,3,5-triiodobenzoic acid (TIBA) 20 ppm was applied. Other two applications with TIBA, with intervals of four days, were realized. The growth regulators did not affect the productivity of 'Davis' soybean maintened under competition. The competition among plants did not affect the stem dry weight and number of pods, and seeds. The competition reduced weight of pods without seeds, seed weight, and weight of 100 seeds.


Sign in / Sign up

Export Citation Format

Share Document