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Coronopus didymus (L.) Sm.
Pitpapra (in hindi) !!
COMMON NAMES : Swinecress, Pitpapra, Jangli halon, Wart cress, lesser swine cress, lesser swinecress
BOTANICAL NAME : Coronopus didymus (L.) Sm.
FAMILY : Brassicaceae (MUSTARD FAMILY)
DAIGNOSTIC FEATURES : The swine cress is a small and annual herb developed in rosette on the ground, of dark green tint. It loosens a strong and unpleasant smell when it is creased.The stem lies on the ground then raised. It is hairy and very branched out, in the base especially.
Leaves are arranged alternately along the stem. They are much divided, terminal division being of greater size than lateral divisions.Flowers are small and green. They are regrouped in dense clusters, directly inserted on the stem.The fruit forms a small green ball consisted of two verrucose halves. It contains two seeds isolated by a constriction. It does not open in maturity or parts in two parts.In India, C. didymus has a luxuriant growth and succulence giving its palatability and nutritive value for animals. This weed has a level of crude protein comparable with the standard legumes grown for
ECOLOGY, HABIT AND DITRIBUTION: Annual, hairless plant, procumbent or raised, of tint green - dark, developed in bow in the base. In cropping systems it appears in early and late season, but once established it seems to prosper whenever growing conditions are satisfactory. It is present on numerous grounds, generally clayey, wet, firmly packed or little structured.
ROOTS : Tap root.
STEM : Cylindrical, full, very branched out, slept on the ground, measuring from 10 to 40cm. Pubescent to glabrescent.
LEAVES : Elliptic in elongated, petiolated in the base, sessiles in the summit. Basal leaves simple, pinnately similar of compound leaves. Segments usually pinnatifided, sometimes lobed only on the upper edge. The upper leaves, smaller, may be sessile or short petioled and the basal long petioled. Long from 7 to 8cms and 2cm wide. Summit of the limb and lobes apiculated. Hairless faces.
INFLORESCENCE: Small, white - greenish, gathered in brief and dense clusters or sessiles, in the axil of leaves. Perianth double consisted of 4 free, long sepals from 0,6 to 0,8mm, white - greenish; 4 petals, briefer than sepals, lengths about 0,5mm, or absent, white. Generally 2 stamens, sometimes 4; 2 carpels, 1 only stigma.
FRUIT: Silicle 2-seeded rounded, verrucose and indented in the summit, indehiscent, or opening in 2 parts with kidney shape. Long from 1,4 to 1,7mm and wide from 2 to 3mm. Surface reticulated, rough.
SEED: 2 by silicle, egg-shaped - ellipsoid, brown, granular. Long from 0,5 to 1mm.
SEEDLING:Cotyledons with an average size from 10 to 16mm in length 1 in 2mm wide. Linear and a little widened in bludgeon in the summit, eased in petiole.
(First two leaves generally linear and entire, rounded in the summit and eased in the base in a length petiole. In complete development, sometimes toothed and more rarely lobed. Following leaves divided, at first in 3 to 5 complete and narrow segments, then into numerous wide, cuneiform lateral segments, lobed and toothed. The terminal lobe is complete and of greater size than the lateral. Hairless faces.)
WEED CONTROL :
- Chemical
2_4-D applied at 500 g/ha at flowering stage and at one week intervals for five weeks thereafter or Metsulfuron at 4 g/ha.
-Swinecress can be a quickly spreading weed and is frequently found in lawns and gardens. Cultural weed control methods may help to prevent the weed from entering your lawn; however, once the weed is present, professionally applied herbicides are usually best for control.
-Scotts LawnService uses a selective systemic weed control program to fight Swinecress in your lawn, which ensures the herbicide is moved throughout the weed, killing it completely root and all.
-Scotts LawnService is the trusted industry leader for professional quality lawn care. Our exclusive lawn care products include Scotts® Pure premium grass seeds and professional-grade fertilizers; our lawn service teams are made up of highly trained, industry-certified professionals. Contact a representative today for Swinecress control available in your area and to learn how you can enjoy a lush, thicker lawn that only Scotts LawnService can deliver.
SOURCES :
>>http://idao.cirad.fr/
>>http://
>>http://
>>http://www.efloras.org/
>>http://www.efloras.org/
>>http://www.pfaf.org/user/
>>http://www.calflora.org/
COMMON NAMES : Swinecress, Pitpapra, Jangli halon, Wart cress, lesser swine cress, lesser swinecress
BOTANICAL NAME : Coronopus didymus (L.) Sm.
FAMILY : Brassicaceae (MUSTARD FAMILY)
DAIGNOSTIC FEATURES : The swine cress is a small and annual herb developed in rosette on the ground, of dark green tint. It loosens a strong and unpleasant smell when it is creased.The stem lies on the ground then raised. It is hairy and very branched out, in the base especially.
Leaves are arranged alternately along the stem. They are much divided, terminal division being of greater size than lateral divisions.Flowers are small and green. They are regrouped in dense clusters, directly inserted on the stem.The fruit forms a small green ball consisted of two verrucose halves. It contains two seeds isolated by a constriction. It does not open in maturity or parts in two parts.In India, C. didymus has a luxuriant growth and succulence giving its palatability and nutritive value for animals. This weed has a level of crude protein comparable with the standard legumes grown for
ECOLOGY, HABIT AND DITRIBUTION: Annual, hairless plant, procumbent or raised, of tint green - dark, developed in bow in the base. In cropping systems it appears in early and late season, but once established it seems to prosper whenever growing conditions are satisfactory. It is present on numerous grounds, generally clayey, wet, firmly packed or little structured.
ROOTS : Tap root.
STEM : Cylindrical, full, very branched out, slept on the ground, measuring from 10 to 40cm. Pubescent to glabrescent.
LEAVES : Elliptic in elongated, petiolated in the base, sessiles in the summit. Basal leaves simple, pinnately similar of compound leaves. Segments usually pinnatifided, sometimes lobed only on the upper edge. The upper leaves, smaller, may be sessile or short petioled and the basal long petioled. Long from 7 to 8cms and 2cm wide. Summit of the limb and lobes apiculated. Hairless faces.
INFLORESCENCE: Small, white - greenish, gathered in brief and dense clusters or sessiles, in the axil of leaves. Perianth double consisted of 4 free, long sepals from 0,6 to 0,8mm, white - greenish; 4 petals, briefer than sepals, lengths about 0,5mm, or absent, white. Generally 2 stamens, sometimes 4; 2 carpels, 1 only stigma.
FRUIT: Silicle 2-seeded rounded, verrucose and indented in the summit, indehiscent, or opening in 2 parts with kidney shape. Long from 1,4 to 1,7mm and wide from 2 to 3mm. Surface reticulated, rough.
SEED: 2 by silicle, egg-shaped - ellipsoid, brown, granular. Long from 0,5 to 1mm.
SEEDLING:Cotyledons with an average size from 10 to 16mm in length 1 in 2mm wide. Linear and a little widened in bludgeon in the summit, eased in petiole.
(First two leaves generally linear and entire, rounded in the summit and eased in the base in a length petiole. In complete development, sometimes toothed and more rarely lobed. Following leaves divided, at first in 3 to 5 complete and narrow segments, then into numerous wide, cuneiform lateral segments, lobed and toothed. The terminal lobe is complete and of greater size than the lateral. Hairless faces.)
WEED CONTROL :
- Chemical
2_4-D applied at 500 g/ha at flowering stage and at one week intervals for five weeks thereafter or Metsulfuron at 4 g/ha.
-Swinecress can be a quickly spreading weed and is frequently found in lawns and gardens. Cultural weed control methods may help to prevent the weed from entering your lawn; however, once the weed is present, professionally applied herbicides are usually best for control.
-Scotts LawnService uses a selective systemic weed control program to fight Swinecress in your lawn, which ensures the herbicide is moved throughout the weed, killing it completely root and all.
-Scotts LawnService is the trusted industry leader for professional quality lawn care. Our exclusive lawn care products include Scotts® Pure premium grass seeds and professional-grade fertilizers; our lawn service teams are made up of highly trained, industry-certified professionals. Contact a representative today for Swinecress control available in your area and to learn how you can enjoy a lush, thicker lawn that only Scotts LawnService can deliver.
SOURCES :
>>http://idao.cirad.fr/
>>http://
>>http://
>>http://www.efloras.org/
>>http://www.efloras.org/
>>http://www.pfaf.org/user/
>>http://www.calflora.org/
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