Seed germination in Chenopodium album L.

further evidence for the dependence of the effects of growth regulators on nitrate availability

H. S. Saini, P. K. BASSI, M. S. SPENCER

Research output: Contribution to journalArticle

16 Citations (Scopus)

Abstract

Chenopodium album L. plants, grown under controlled environmental conditions on different levels of soil nitrate, produced seeds with proportionately different NO3 contents. Regardless of the endogenous NO3 content, few seeds germinated in water or upon treatment with KNO3. Ethylene promoted germination, and the extent of germination was positively correlated with the endogenous seed NO3 content. Combined application of ethylene and KNO3 in the dark had a synergistic effect on NO3 ‐deficient seed. The synergism between ethylene and KNO3 was attributable to the NO3 moiety of the nitrate salt. Ethylene and light showed moderate synergism in seeds with low or high endogenous nitrate. Addition of nitrate, however, masked the interaction between ethylene and light. Gibberellic acid4+7 (GA4+7) or red light, each alone or combined with KNO3, had little effect on germination. When applied together in the dark, ethylene and GA4+7 synergistically enhanced the germination of NO3‐deficient seed. The combined effects of the two hormones on this seed were further enhanced by the addition of KNO3. There was no synergism between ethylene and GA4+7 in NO3‐rich seed. These interactions among GA4+7, ethylene and KNO3 were not affected by light. The results confirm and further elaborate our earlier finding that the sensitivity of C. album seeds to ethylene may depend on nitrate availability.

Original languageEnglish
Pages (from-to)707-711
Number of pages5
JournalPlant, Cell & Environment
Volume8
Issue number9
DOIs
Publication statusPublished - 1 Jan 1985
Externally publishedYes

Fingerprint

Chenopodium album
Germination
growth regulators
Nitrates
ethylene
Seeds
seed germination
nitrates
Growth
seeds
synergism
Light
germination
red light
Soil
Salts
hormones

Cite this

@article{44589463554f49f6988bff8985e5279e,
title = "Seed germination in Chenopodium album L.: further evidence for the dependence of the effects of growth regulators on nitrate availability",
abstract = "Chenopodium album L. plants, grown under controlled environmental conditions on different levels of soil nitrate, produced seeds with proportionately different NO−3 contents. Regardless of the endogenous NO−3 content, few seeds germinated in water or upon treatment with KNO3. Ethylene promoted germination, and the extent of germination was positively correlated with the endogenous seed NO−3 content. Combined application of ethylene and KNO3 in the dark had a synergistic effect on NO−3 ‐deficient seed. The synergism between ethylene and KNO3 was attributable to the NO−3 moiety of the nitrate salt. Ethylene and light showed moderate synergism in seeds with low or high endogenous nitrate. Addition of nitrate, however, masked the interaction between ethylene and light. Gibberellic acid4+7 (GA4+7) or red light, each alone or combined with KNO3, had little effect on germination. When applied together in the dark, ethylene and GA4+7 synergistically enhanced the germination of NO−3‐deficient seed. The combined effects of the two hormones on this seed were further enhanced by the addition of KNO3. There was no synergism between ethylene and GA4+7 in NO−3‐rich seed. These interactions among GA4+7, ethylene and KNO3 were not affected by light. The results confirm and further elaborate our earlier finding that the sensitivity of C. album seeds to ethylene may depend on nitrate availability.",
keywords = "Chenopodiaceae, Chenopodium album L., dormancy, ethylene, germination, gibberellin, lamb's‐quarters, light, nitrate, seed",
author = "Saini, {H. S.} and BASSI, {P. K.} and SPENCER, {M. S.}",
year = "1985",
month = "1",
day = "1",
doi = "10.1111/1365-3040.ep11611829",
language = "English",
volume = "8",
pages = "707--711",
journal = "Plant, Cell and Environment",
issn = "0140-7791",
publisher = "Wiley-Blackwell",
number = "9",

}

Seed germination in Chenopodium album L. further evidence for the dependence of the effects of growth regulators on nitrate availability. / Saini, H. S.; BASSI, P. K.; SPENCER, M. S.

In: Plant, Cell & Environment, Vol. 8, No. 9, 01.01.1985, p. 707-711.

Research output: Contribution to journalArticle

TY - JOUR

T1 - Seed germination in Chenopodium album L.

T2 - further evidence for the dependence of the effects of growth regulators on nitrate availability

AU - Saini, H. S.

AU - BASSI, P. K.

AU - SPENCER, M. S.

PY - 1985/1/1

Y1 - 1985/1/1

N2 - Chenopodium album L. plants, grown under controlled environmental conditions on different levels of soil nitrate, produced seeds with proportionately different NO−3 contents. Regardless of the endogenous NO−3 content, few seeds germinated in water or upon treatment with KNO3. Ethylene promoted germination, and the extent of germination was positively correlated with the endogenous seed NO−3 content. Combined application of ethylene and KNO3 in the dark had a synergistic effect on NO−3 ‐deficient seed. The synergism between ethylene and KNO3 was attributable to the NO−3 moiety of the nitrate salt. Ethylene and light showed moderate synergism in seeds with low or high endogenous nitrate. Addition of nitrate, however, masked the interaction between ethylene and light. Gibberellic acid4+7 (GA4+7) or red light, each alone or combined with KNO3, had little effect on germination. When applied together in the dark, ethylene and GA4+7 synergistically enhanced the germination of NO−3‐deficient seed. The combined effects of the two hormones on this seed were further enhanced by the addition of KNO3. There was no synergism between ethylene and GA4+7 in NO−3‐rich seed. These interactions among GA4+7, ethylene and KNO3 were not affected by light. The results confirm and further elaborate our earlier finding that the sensitivity of C. album seeds to ethylene may depend on nitrate availability.

AB - Chenopodium album L. plants, grown under controlled environmental conditions on different levels of soil nitrate, produced seeds with proportionately different NO−3 contents. Regardless of the endogenous NO−3 content, few seeds germinated in water or upon treatment with KNO3. Ethylene promoted germination, and the extent of germination was positively correlated with the endogenous seed NO−3 content. Combined application of ethylene and KNO3 in the dark had a synergistic effect on NO−3 ‐deficient seed. The synergism between ethylene and KNO3 was attributable to the NO−3 moiety of the nitrate salt. Ethylene and light showed moderate synergism in seeds with low or high endogenous nitrate. Addition of nitrate, however, masked the interaction between ethylene and light. Gibberellic acid4+7 (GA4+7) or red light, each alone or combined with KNO3, had little effect on germination. When applied together in the dark, ethylene and GA4+7 synergistically enhanced the germination of NO−3‐deficient seed. The combined effects of the two hormones on this seed were further enhanced by the addition of KNO3. There was no synergism between ethylene and GA4+7 in NO−3‐rich seed. These interactions among GA4+7, ethylene and KNO3 were not affected by light. The results confirm and further elaborate our earlier finding that the sensitivity of C. album seeds to ethylene may depend on nitrate availability.

KW - Chenopodiaceae

KW - Chenopodium album L.

KW - dormancy

KW - ethylene

KW - germination

KW - gibberellin

KW - lamb's‐quarters

KW - light

KW - nitrate

KW - seed

UR - http://www.scopus.com/inward/record.url?scp=84981583786&partnerID=8YFLogxK

U2 - 10.1111/1365-3040.ep11611829

DO - 10.1111/1365-3040.ep11611829

M3 - Article

VL - 8

SP - 707

EP - 711

JO - Plant, Cell and Environment

JF - Plant, Cell and Environment

SN - 0140-7791

IS - 9

ER -