Abstract
An experiment was conducted to study the effect of seed hardening with different chemicals viz. CCC, CaCl 2 , ZnSO 4 , KNO 3, water soaking and untreated (unsoaked) control on drought tolerance in Bt cotton hybrid. The results reveal that, hardening of cotton seeds with CaCl 2 (2%) or CCC 100 ppm or CCC 150 ppm recorded significantly more yield when compared to water soaking and untreated control. In general, seed hardening resulted in increased germination, better crop establishment and enhanced early vigour and ultimately seed cotton yield. Germination percentage, total dry matter (TDM), relative water content (RWC), leaf chlorophyll content and gas exchange parameters, number of bolls, boll weight and seed cotton yield were significantly high. This may be due to favorable effect of CaCl 2 on seed germination and seedling vigour, growth and yield of cotton. Seed hardening with CaCl 2 (2%) also recorded highest benefit cost ratio.
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Claims 7
Claim · model-written summary
CaCl 2 seed hardening significantly increased yield compared with water soaking and untreated controls.
Verbatim
e0“hardening of cotton seeds with CaCl 2 (2%) or CCC 100 ppm or CCC 150 ppm recorded significantly more yield when compared to water soaking and untreated control”
t0“Bt cotton”
Claim · model-written summary
CCC 100 ppm seed hardening significantly increased yield compared with water soaking and untreated controls.
Verbatim
e0“hardening of cotton seeds with CaCl 2 (2%) or CCC 100 ppm or CCC 150 ppm recorded significantly more yield when compared to water soaking and untreated control”
t0“Bt cotton”
Claim · model-written summary
CCC 150 ppm seed hardening significantly increased yield compared with water soaking and untreated controls.
Verbatim
e0“hardening of cotton seeds with CaCl 2 (2%) or CCC 100 ppm or CCC 150 ppm recorded significantly more yield when compared to water soaking and untreated control”
t0“Bt cotton”
Claim · model-written summary
Seed hardening increased germination, crop establishment and early vigour.
- Taxon
- Bt cottont0
- Treatment
- seed hardeninge0
- Outcome
- germination, better crop establishment and enhanced early vigoure0
- Direction
- increasede0
Not reportedComparator
Verbatim
e0“seed hardening resulted in increased germination, better crop establishment and enhanced early vigour”
t0“Bt cotton”
Claim · model-written summary
Seed hardening significantly raised dry matter, relative water content, chlorophyll content and gas exchange parameters.
- Taxon
- Bt cottont0
- Treatment
- seed hardeninge1
- Outcome
- total dry matter (TDM), relative water content (RWC), leaf chlorophyll content and gas exchange parameterse0
- Direction
- highe0
Not reportedComparator
Verbatim
e0“Germination percentage, total dry matter (TDM), relative water content (RWC), leaf chlorophyll content and gas exchange parameters, number of bolls, boll weight and seed cotton yield were significantly high.”
e1“seed hardening resulted in increased germination”
t0“Bt cotton”
Claim · model-written summary
Seed hardening significantly raised boll number, boll weight and seed cotton yield.
- Taxon
- Bt cottont0
- Treatment
- seed hardeninge1
- Outcome
- number of bolls, boll weight and seed cotton yielde0
- Direction
- highe0
Not reportedComparator
Verbatim
e0“number of bolls, boll weight and seed cotton yield were significantly high”
e1“seed hardening resulted in increased germination”
t0“Bt cotton”
Claim · model-written summary
CaCl 2 seed hardening had the highest benefit cost ratio.
Not reportedComparator
Verbatim
e0“Seed hardening with CaCl 2 (2%) also recorded highest benefit cost ratio.”
t0“Bt cotton”
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