Abstract
Abstract The effect of spraying with 2–chloroethyltrimethylammonium chloride (CCC) and N‐dimethylaminosuccinamic acid (B‐995) on wheat plants exposed to various durations of wilting, was studied. The chemicals had little or no effect on dry matter production, grain yield, or water requirement of plants watered regularly or exposed to a short drought period causing one day of wilting. In plants exposed to two drought cycles of 5–6 wilting days each, a very pronounced increase in dry weight and grain production was found in plants treated with the two growth retardants. This effect was due to the increased ability of the treated plants to regenerate new shoots on rewatering after wilting. Longer drought periods of 10–12 wilting days, caused complete desiccation of both treated and untreated plants. The mode of action of the chemicals in increasing the drought tolerance of plants is discussed in relation to their effect on delaying the senescence of detached leaves.
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Claims 4
Claim · model-written summary
The growth retardants had little or no effect on dry matter production, grain yield or water requirement of wheat watered regularly or exposed to one day of wilting.
- Taxon
- wheat plants
Triticum aestivume0 - Treatment
- spraying with 2–chloroethyltrimethylammonium chloride (CCC) and N‐dimethylaminosuccinamic acid (B‐995)e0
- Outcome
- dry matter production, grain yield, or water requiremente1
- Direction
- little or no effecte1
- Qualifier
- plants watered regularly or exposed to a short drought period causing one day of wiltinge1
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The effect of spraying with 2–chloroethyltrimethylammonium chloride (CCC) and N‐dimethylaminosuccinamic acid (B‐995) on wheat plants exposed to various durations of wilting, was studied”
e1“The chemicals had little or no effect on dry matter production, grain yield, or water requirement of plants watered regularly or exposed to a short drought period causing one day of wilting”
Claim · model-written summary
After two drought cycles of 5–6 wilting days, dry weight and grain production increased markedly in wheat plants treated with the growth retardants.
- Taxon
- wheat plantsTriticum aestivume0
- Treatment
- two drought cycles of 5–6 wilting days eache2
- Outcome
- dry weight and grain productione2
- Direction
- increasee2
- Qualifier
- very pronouncede2
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The effect of spraying with 2–chloroethyltrimethylammonium chloride (CCC) and N‐dimethylaminosuccinamic acid (B‐995) on wheat plants exposed to various durations of wilting, was studied”
e2“In plants exposed to two drought cycles of 5–6 wilting days each, a very pronounced increase in dry weight and grain production was found in plants treated with the two growth retardants”
Claim · model-written summary
The increase in dry weight and grain production is attributed to a greater ability of the treated wheat plants to regenerate new shoots on rewatering after wilting.
- Taxon
- wheat plantsTriticum aestivume0
- Outcome
- increase in dry weight and grain productione2
- Qualifier
- increased ability of the treated plants to regenerate new shoots on rewatering after wiltinge3
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The effect of spraying with 2–chloroethyltrimethylammonium chloride (CCC) and N‐dimethylaminosuccinamic acid (B‐995) on wheat plants exposed to various durations of wilting, was studied”
e2“In plants exposed to two drought cycles of 5–6 wilting days each, a very pronounced increase in dry weight and grain production was found in plants treated with the two growth retardants”
e3“This effect was due to the increased ability of the treated plants to regenerate new shoots on rewatering after wilting”
Claim · model-written summary
Longer drought periods of 10–12 wilting days caused complete desiccation of both treated and untreated wheat plants.
- Taxon
- wheat plantsTriticum aestivume0
- Treatment
- Longer drought periods of 10–12 wilting dayse4
- Outcome
- complete desiccatione4
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The effect of spraying with 2–chloroethyltrimethylammonium chloride (CCC) and N‐dimethylaminosuccinamic acid (B‐995) on wheat plants exposed to various durations of wilting, was studied”
e4“Longer drought periods of 10–12 wilting days, caused complete desiccation of both treated and untreated plants”
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