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Rana, S.S.
- Effect of Orchard Floor Management Practices on Weed Population and Fruit Quality and Yield of Peach [Prunus persica (L.) Batsch]
Authors
1 Department of Agronomy, College of Agriculture CSK Himachal Pradesh Krishi Vishvavidyalaya, Palampur-176 062, IN
Source
Himachal Journal of Agricultural Research, Vol 48, No 01 (2022), Pagination: 31-36Abstract
An experiment with nine orchard floor management practices viz., legume intercropping (soybean-peas), turmeric intercropping, fodder intercropping (pearl millet-oats), sod culture (setaria grass), glyphosate, paraquat, weed mulch, manual weeding and weedy check was carried out at Palampur during kharif 2018 to rabi 2019-20 to study their effect on fruit quality and yield of peach. Highest weed population was recorded in weedy check in all the months and lowest weed count was observed in legume intercropping during both the years. Legume intercropping resulted in highest peach yield and quality over rest of the treatments and lowest fruit yield per tree was recorded under weedy check during both the years of study. Uninterrupted growth of weeds reduced the fruit yield by 41.13 per cent during 2019 and by 50.84 per cent during 2020. No phytotoxicity of any herbicide tested (pendimethalin, quizalofop and chlorimuron ethyl to intercrops and directed application of glyphosate and paraquat) was recorded on peach indicating that all the herbicides used were safe for managing weeds in peach orchard.Keywords
Weed management, peach orchard, fruit quality, fruit yieldReferences
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- Mia MJ, Massetani F, Murri G and Neri D. 2020: Sustainable alternatives to chemicals for weed control in the orchard- a Review. Horticultural science (Prague) 47 (1): 1-12.
- Rath S and Swain SC. 2006. Performance of intercrops in bearing mango orchards in Eastern Ghat High land zones of Orissa. Indian Journal of Dryland Agricultural Research Development 21(1): 12-15.
- Rifai MN, Astatkie T, Lacko-Bartosova M and Gadus J. 2002. Effect of two different thermal units and three types of mulch on weeds in apple orchards. Journal of Environmental Engineering and Science 1 (5): 331-338.
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- Effect of Ethalfluralin 36 %EC on Weeds, Yield Attributes and their Correlation with Yield of Soybean
Authors
1 Department of Agronomy, College of Agriculture CSK Himachal Pradesh Krishi Vishvavidyalaya, Palampur-176 062, IN
Source
Himachal Journal of Agricultural Research, Vol 48, No 01 (2022), Pagination: 44-47Abstract
The field experiment was conducted at the Experimental Farm of Department of Agronomy, CSK HPKV, Palampur during kharif 2019 and 2020 to find out the effect of ethalfluralin 36 % EC on weeds, yield attributes and their correlation with yield of soybean. Nine weed control treatments viz. ethalfluralin 540 g/ha, 630 g/ha, 720 g/ha, 810 g/ha, 1440 g/ha, imazethapyr 100 g/ha, pendimethalin 1000 g/ha, weed free treatment and weedy check were tested in Randomized Block Design with four replications. Soybean variety ‘Harit soya’ was sown manually in furrows 45 cm apart using a seed rate of 100 kg/ha. Results revealed that ethalfluralin 810 g/ha proved statistically superior to all other treatments in reducing the weed population and weed dry weight at harvest during both the years. Plant height, branches per plant, 1000 seed weight and seed yield of soybean was significantly higher with the application of ethalfluralin 720 g/ha behaving statistically alike with 810 g/ha followed by imazethapyar 100 g/ha and pendimethalin 1000 g/ha during both the years of study. Correlation studies carried out between different parameters revealed that plant height, branches per plant, 1000 seed weight and straw yield were positively and significantly correlated with the seed yield of soybean.
Keywords
Herbicide, soybean, weed management, yieldReferences
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- Bandi BTK, KidindaL K, Kasendue GN, Longanza LB, Emery KL and Lubobo AK.2019. Correlations between growth and yield parameters of soybean (Glycine max (L.) Merr.) under the influence of Bradyrhizobium japonicum in Kipushi (The Democratic Republic of Congo). American Journal of Agricultural and Biological Sciences 14:86-94.
- Prachand S, Kalhapure A and Kubde KJ. 2015. Weed management in soybean with pre- and post-emergence herbicides. Indian Journal of Weed Science 47(2): 163–165
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- Yadav R, Bhullar MS, Kaur S, Kaur T and Jhala AJ. 2017. Weed control in conventional soybean with penimethalin followed by imazethapyr + imazamox/ quizalofop-p-ethyl. Canadian Journal of Plant Science 97(4): 654-664
- Weed management indices as affected by different weed control treatments in tea [Camellia sinensis (L.) Kuntze]
Authors
1 Department of Agronomy CSK Himachal Pradesh Krishi Vishvavidyalaya, Palampur-176 062, IN
Source
Himachal Journal of Agricultural Research, Vol 48, No 01 (2022), Pagination: 104-106Abstract
An experiment was conducted on farmer’s field, at village Tanda, Palampur to study the efficacy of glyphosate formulations i.e., glyphosate IPA salt 41% SL and glyphosate potassium salt 46% SL for managing weeds in tea through different weed management indices during 2020. Ten weed control treatments viz., glyphosate IPA salt 41% SL 2000, 4000 and 8000 ml/ha, glyphosate potassium salt 46% SL 1440, 2880 and 5760 ml/ha, paraquat dichloride 24% SL 2000 ml/ha, glyphosate 41% 4000 ml/ha, glufosinate ammonium 13.5% 3333 ml/ha and weedy check were evaluated in randomized block design with three replications. Weed indices were calculated which revealed that all chemical treatments significantly reduced weed infestation when compared to weedy check. Glyphosate potassium salt 5760 ml/ha and glyphosate IPA salt 8000 ml/ha, behaving statistically alike with their lower doses i.e., 2880 and 4000 ml/ha, resulted in significantly higher bush height and girth of tea which may be due to effective control of weeds through these herbicides which ultimately helped in better growth of shoots.Keywords
Glyphosate IPA salt, glyphosate potassium salt, weed control index, weed persistence index, herbicide efficiency index, weed management indexReferences
- Anonymous. 2020. Economic Survey 2019-20, Economic & Statistics Department, Himachal Pradesh, Shimla. pp 70.
- Devi N, Kundu CK, Bera PS, Panda S and Das S. 2019. Evaluation of glyphosate 41% SL to control weeds in tea at Terai region of West Bengal. Journal of Crop and Weed 15 (3): 213-219.
- Ghosh C and Das AP. 2004. The materials and method of Jhara preparation by the tribal inhabitants of Tea Gardens in Terai of West Bengal (India). Indian Journal of Traditional Knowledge 3 (4): 373-382.
- Tu M, Hurd C, Randall JM. 2001. Weed control methods handbook, The Nature Conservancy 7E.1-7E.10. https://www.invasive.org/gist/products/handbook/methodshandbook.pdf.
- Magambo MJS and Kilavuka CL.1982. Effect of glyphosate on shoot growth of tea. Tropical Pest Management 28 (3): 315-316.
- Influence of organic weed management practices on floristic diversity and shifts in maize –pea cropping system
Authors
1 Department of Agronomy, College of Agriculture CSK Himachal Pradsh Krishi Vishvavidyalaya, Palampur-176 062,, IN
Source
Himachal Journal of Agricultural Research, Vol 48, No 2 (2022), Pagination: 189-195Abstract
Studies on weed flora changes were carried out in a long-term experiment in maize - peas cropping system under All India Coordinated Research Project on Weed Management (AICRP-WM) during October 2019 to September 2021 at Palampur. Ten weed control treatments viz. T -hoeing, T -stale seed bed + hoeing, T -raised 1 2 3 -1 stale seed bed + hoeing, T -mulch 5t ha , T -stale seed bed + mulch, T - raised stale seed bed + mulch, T - 4 5 6 7 intercropping (soybean in kharif and fenugreek in rabi), T -crop rotation (alternating soybean - mustard with 8 maize - peas), T -intensive cropping (additional crops of mustard in autumn and buckwheat in summer) and 9 T -chemical check (pendimethalin in rabi and atrazine in kharif) were evaluated for weed flora composition 10 and shifts in maize-peas cropping system. The weed flora were comprised of 14 species in rabi 2019-20 and 11 in -1’ -1 rabi 2020-21.’Raised stale seed bed + hoeing’and ‘mulch 5t ha in 2019 and ‘mulch 5t ha ’in 2020 were having highest number of weed species. In kharif 2019, the weed flora were comprised of 8 weed species and, in kharif -1’ 2021,14 species.‘Mulch 5t ha was having highest weed species in both seasons. There was considerable change in weed species compositions during the second year as compared to the first year. In rabi 2019-20, Vicia sativa (13%) and Tulipa asiatica (12%) and in rabi 2020-21, Tulipa asiatica (21%) and Spergula arvensis (15%) were the dominant weed species. In kharif 2020, Cyperus sp. (17%), Echinochloa colona, Polygonum alatum and Ageratum conyzoides 15% each, in kharif 2021 Cyperussp. (16%), Ageratum conyzoides(15%) and Commelina benghalensis (14%) were dominant. The Simpson’s index of diversity was highest under‘ mulch 5t ha -1 + hand weeding’and lowest under ‘chemical check’in all the seasons.Keywords
Weed distribution, organic, maize, pea .References
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- Arif M, Ali K, Haq MS and Khan Z.2013. Biochar, FYM and nitrogen increases weed Infestation in wheat. Pakistan Journal of Weed Science Research 19: 411-418.
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- CSKHPKV. 2018. Package of Practices of Vegetable Crops. Directorate of Extension Education, CSKHPKV, Palampur.
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- Mawalia AK, Kumar S and Rana SS. 2015. Economics of post-emergence weed control in garden pea (Pisum sativum L.) under mid hill condition of Himachal Pradesh. Himachal Journal of Agricultural Research 41 (1): 15-29
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- Evaluation of herbicides to control alligator weed (Alternanthera philoxeroides) in mid hills of Himachal Pradesh
Authors
1 Department of Agronomy, College of Agriculture CSK Himachal Pradesh Krishi Vishvavidyalaya, Palampur-176 062,, IN
Source
Himachal Journal of Agricultural Research, Vol 48, No 2 (2022), Pagination: 205-209Abstract
An open pot experiment was conducted during Kharif 2020 and 2021 at Research Farm of Department of Agronomy, College of Agriculture CSK Himachal Pradesh Krishi Vishvavidyalaya, Palampur, H.P. to evaluate herbicides for the control of Alternanthera philoxeroides. The experiment was laid out in completely randomized design with three replications and consisted of ten herbicide treatments viz. glyphosate 1000 g/ha, paraquat 1000 g/ha, 2,4-D Na salt 1250 g/ha, 2,4-D ethyl ester 1000 g/ha, metsulfuron methyl 4 g/ha, carfentrazone 25 g/ha, glufosinate ammonium 500 g/ha, bispyribac Na 20 g/ha, flumioxazin 200 g/ha, diuron 500 g/ha and one weedy check (control). All the herbicide treatments resulted in significantly better control of Alternanthera compared to control (weedy check). Glyphosate 1000 g/ha remaining at par with metsulfuron methyl 4 g/ha provided lowest shoot count at all stages of observation during both years. This was followed by application of 2,4 D ethyl ester 1000 g/ha and carfentrazone 25 g/ha which except for initial stage of observation gave results statistically similar to glyphosate 1000 g/ha and metsulfuron methyl 4 g/ha from 25 to 55 days after 2 spray. The lowest weed dry matter (g/m ) and therefore highest weed control efficiency was recorded with application of glyphosate 1000 g/ha, metsulfuron methyl 4 g/ha and 2,4 D ethyl ester 1000 g/ha at 55 days after spray.Keywords
Alligator weed, herbicides, pot studies.References
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