Abstract
The present investigation was carried out to elucidate the mechanism of disease resistance of blackgram to powdery mildew by exogenous supply of plant activators. Induction of major defence enzymes such as peroxidase (PO), polyphenol oxidase (PPO) and phenylalanine ammonia lyase (PAL) were studied in black gram plants sprayed with plant activators. Increased activity of PO, PPO and PAL was observed in blackgram plants treated with a combined application of acetylsalicylic acid (50 mg L"1) and salicylic acid (50 mg L"1) when compared to untreated control. The enzyme activities increased on the 3"1 day, reached maximum levels from the 5th to 7th day and declined gradually thereafter. Similarly, native polyacrylamide gel electrophoresis (PAGE) revealed that one to five isoforms of the defence related enzymes with a higher intensity were expressed in these treatments
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Claims 3
Claim · model-written summary
Combined acetylsalicylic and salicylic acids increased PO, PPO and PAL activities versus untreated blackgram.
- Taxon
- blackgram
Vigna mungoe0 - Treatment
- combined application of acetylsalicylic acid (50 mg L"1) and salicylic acid (50 mg L"1)e0
- Outcome
- activity of PO, PPO and PALe0
- Direction
- Increasede0
- Comparator
- untreated controle0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Increased activity of PO, PPO and PAL was observed in blackgram plants treated with a combined application of acetylsalicylic acid (50 mg L"1) and salicylic acid (50 mg L"1) when compared to untreated control.”
Claim · model-written summary
Defense enzyme activities rose on day 3 and peaked on days 5 to 7 before declining.
- Taxon
- blackgramVigna mungot0
- Outcome
- enzyme activitiese0
- Direction
- increasede0
- Qualifier
- 3"1 day, reached maximum levels from the 5th to 7th day and declined gradually thereaftere0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The enzyme activities increased on the 3"1 day, reached maximum levels from the 5th to 7th day and declined gradually thereafter.”
t0“blackgram (Vigna mungo (L.) Hepper)”
Claim · model-written summary
One to five higher-intensity defense enzyme isoforms were expressed under the treatments.
- Taxon
- blackgramVigna mungot0
- Outcome
- isoforms of the defence related enzymese0
- Direction
- highere0
- Value
- one to five isoformse0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“one to five isoforms of the defence related enzymes with a higher intensity were expressed in these treatments”
t0“blackgram (Vigna mungo (L.) Hepper)”
The same questions in other papers
salicylic acid · physiology: antioxidant enzymes · Vigna mungo (black gram)Results agree
5 papers in the same direction as this paper
- positive
- positive
- positive
2 papers more in this group
See all 6 papers →Claims are grouped by organism, treatment and what was measured or targeted. A paper counts as positive when any of its claims in the group is positive.