Thumbnail Image

Acharya N G Ranga Agricultural University, Guntur

The Andhra Pradesh Agricultural University (APAU) was established on 12th June 1964 at Hyderabad. The University was formally inaugurated on 20th March 1965 by Late Shri. Lal Bahadur Shastri, the then Hon`ble Prime Minister of India. Another significant milestone was the inauguration of the building programme of the university by Late Smt. Indira Gandhi,the then Hon`ble Prime Minister of India on 23rd June 1966. The University was renamed as Acharya N. G. Ranga Agricultural University on 7th November 1996 in honour and memory of an outstanding parliamentarian Acharya Nayukulu Gogineni Ranga, who rendered remarkable selfless service for the cause of farmers and is regarded as an outstanding educationist, kisan leader and freedom fighter. HISTORICAL MILESTONE Acharya N. G. Ranga Agricultural University (ANGRAU) was established under the name of Andhra Pradesh Agricultural University (APAU) on the 12th of June 1964 through the APAU Act 1963. Later, it was renamed as Acharya N. G. Ranga Agricultural University on the 7th of November, 1996 in honour and memory of the noted Parliamentarian and Kisan Leader, Acharya N. G. Ranga. At the verge of completion of Golden Jubilee Year of the ANGRAU, it has given birth to a new State Agricultural University namely Prof. Jayashankar Telangana State Agricultural University with the bifurcation of the state of Andhra Pradesh as per the Andhra Pradesh Reorganization Act 2014. The ANGRAU at LAM, Guntur is serving the students and the farmers of 13 districts of new State of Andhra Pradesh with renewed interest and dedication. Genesis of ANGRAU in service of the farmers 1926: The Royal Commission emphasized the need for a strong research base for agricultural development in the country... 1949: The Radhakrishnan Commission (1949) on University Education led to the establishment of Rural Universities for the overall development of agriculture and rural life in the country... 1955: First Joint Indo-American Team studied the status and future needs of agricultural education in the country... 1960: Second Joint Indo-American Team (1960) headed by Dr. M. S. Randhawa, the then Vice-President of Indian Council of Agricultural Research recommended specifically the establishment of Farm Universities and spelt out the basic objectives of these Universities as Institutional Autonomy, inclusion of Agriculture, Veterinary / Animal Husbandry and Home Science, Integration of Teaching, Research and Extension... 1963: The Andhra Pradesh Agricultural University (APAU) Act enacted... June 12th 1964: Andhra Pradesh Agricultural University (APAU) was established at Hyderabad with Shri. O. Pulla Reddi, I.C.S. (Retired) was the first founder Vice-Chancellor of the University... June 1964: Re-affilitation of Colleges of Agriculture and Veterinary Science, Hyderabad (estt. in 1961, affiliated to Osmania University), Agricultural College, Bapatla (estt. in 1945, affiliated to Andhra University), Sri Venkateswara Agricultural College, Tirupati and Andhra Veterinary College, Tirupati (estt. in 1961, affiliated to Sri Venkateswara University)... 20th March 1965: Formal inauguration of APAU by Late Shri. Lal Bahadur Shastri, the then Hon`ble Prime Minister of India... 1964-66: The report of the Second National Education Commission headed by Dr. D.S. Kothari, Chairman of the University Grants Commission stressed the need for establishing at least one Agricultural University in each Indian State... 23, June 1966: Inauguration of the Administrative building of the university by Late Smt. Indira Gandhi, the then Hon`ble Prime Minister of India... July, 1966: Transfer of 41 Agricultural Research Stations, functioning under the Department of Agriculture... May, 1967: Transfer of Four Research Stations of the Animal Husbandry Department... 7th November 1996: Renaming of University as Acharya N. G. Ranga Agricultural University in honour and memory of an outstanding parliamentarian Acharya Nayukulu Gogineni Ranga... 15th July 2005: Establishment of Sri Venkateswara Veterinary University (SVVU) bifurcating ANGRAU by Act 18 of 2005... 26th June 2007: Establishment of Andhra Pradesh Horticultural University (APHU) bifurcating ANGRAU by the Act 30 of 2007... 2nd June 2014 As per the Andhra Pradesh Reorganization Act 2014, ANGRAU is now... serving the students and the farmers of 13 districts of new State of Andhra Pradesh with renewed interest and dedication...

News

https://angrau.ac.in/ANGRU/Library_Resources.aspx

Browse

20161
Reset filters
Subject: Agronomy × Author: ALIVENI, A × End date: 2016 × Start date: 2015 × Type: Thesis ×
Reset filters

Search Results

Now showing 1 - 1 of 1
  • Thumbnail Image
    ThesisItemOpen Access
    BIO-EFFICACY OF ACIFLUORFEN+ CLODINAFOP-PROPARGYL ON CONTROL OF Vicia sativa L. AND OTHER WEEDS IN RICE-FALLOW BLACKGRAM
    (Acharya N.G. Ranga Agricultural University, Guntur, 2016) ALIVENI, A; A. S. RAO
    A field experiment entitled “Bio-efficacy of acifluorfen+clodinafop-propargyl on control of Vicia sativa L. and other weeds in rice-fallow blackgram” was conducted at Agricultural College Farm, Naira on sandy clay loam soils during rabi, 2015-16. The treatments consisted of ten different weed management practices viz., T1: Weedy check, T2: Hand weeding twice at 15 and 30 DAS, T3: Pendimethalin @ 1kg a.i ha-1 as sand mix application, T4: Imazethapyr @ 75 g a.i ha-1 as sand mix application, T5: Imazethapyr @ 50 g a.i ha-1 as post emergence at 20 DAS, T6: Acifluorfen+Clodinafop-propargyl @ 0.2 kg a.i ha-1 as post emergence at 25 DAS, T7: Acifluorfen+Clodinafop-propargyl @ 0.25 kg a.i ha-1 as post emergence at 25 DAS, T8: Acifluorfen+Clodinafop-propargyl @ 0.3 kg a.i ha-1 as post emergence at 25 DAS, T9: Acifluorfen+Clodinafop-propargyl @ 0.35 kg a.i ha-1 as post emergence at 25 DAS, T10: Acifluorfen+Clodinafop-propargyl @ 0.4 kg a.i ha-1 as post emergence at 25 DAS. The design adopted was randomized block design with three replications. The important weed flora observed in the experimental site consisted of eleven species belong to nine different families. The observed species were Ammania baccifera, Cardanthera uliginosa, Ludwigia parviflora, Trianthema portulacastrum, Hydrolea zeylanica, Vicia sativa, Cardiospermum helicacabum, Chrozophora rottleri, Gnaphalium polycaulon, Grangea maderaspatana and Phyllanthus maderaspatensis. Vicia sativa was the dominant weed among all the species at all the intervals of observation, which consisted about 75% of the total weed population. The results of the investigation revealed that the lowest total density of weeds was observed with acifluorfen+clodinafop-propargyl @ 0.4 kg a.i ha-1 at 25 DAS (T10) and was on a par with T9, T8 and T7 which were in turn on par with hand weeding. Among the herbicides, the highest total weed density was observed in T3 and was on par with T4 and T5, however comparable with T1 which recorded the highest total weed density than all other treatments at all stages of observation. ABSTRACT Name of the author : A. ALIVENI Title of the thesis : Bio-efficacy of acifluorfen+clodinafoppropargyl on control of Vicia sativa L. and other weeds in rice-fallow blackgram Major advisor : Dr. A.S. RAO Degree to which it is submitted : M.Sc. (Ag.) Faculty : Agriculture Discipline : AGRONOMY College : Agricultural College, Naira University : ACHARYA N.G. RANGA AGRICULTURAL UNIVERSITY Year of submission : 2016 At all the intervals of sampling, all the herbicide treatments significantly lowered the dry weight of total weeds except T3 and T4 at 30 DAS and at harvest which were comparable with weedy check (T1). Significantly the highest weed control efficiency was registered with acifluorfen +clodinafop-propargyl @ 0.4 kg a.i ha-1 at 25 DAS (T10) followed by its lower doses 0.35 kg (T9), 0.3 kg (T8), 0.25 kg (T7) and 0.2 kg (T6), at 60 DAS and at harvest, however, T7 and T6 were inferior to their higher doses and minimum weed control efficiency was observed with T3 and T4, comparable with T1. Significantly lower values for weed index were recorded with application of T10, which was on par with T9 and T8. The growth and dry matter production of blackgram was normal without any phytotoxicity with all doses of acifluorfen+clodinafop-propargyl and all the weed management practices exhibited significant influence on different growth parameters like plant height and dry matter accumulation at different sampling intervals except plant height at 30 DAS. The taller plants and maximum dry matter at all the intervals of crop growth period was recorded in T10 and was comparable with T9, T8, T7 and T6 treatments. The yield attributing characters viz., number of branches plant-1 and number of pods plant-1 were significantly influenced, whereas the number of seeds pod-1 and 100 seed weight were not influenced. The highest number of branches plant-1 were noticed with T10, T9 and T8 comparable with T2 and the highest number of pods plant-1 was obtained with T10, T9, T8, T7 and T6 and comparable with T2. Maximum seed and haulm yield were obtained with T10, T9 and T8 and was comparable with T2. Harvest index did not vary to a statistically perceptible magnitude. Nitrogen, phosphorus and potassium uptake by blackgram was found to be maximum with the application of T10 which was however on par with T9 and T8 and comparable with T2. Significantly lower values for the uptake of N, P and K by weeds was registered with application T10, T9 and T8 all being on par with each other and also comparable with T2. Maximum gross and net returns were obtained with T10, T9 and T8 which were comparable with T2. The highest returns per rupee invested (2.28) was observed with T8 however on par with T9 and T10. From the present investigation, it can be concluded that application of acifluorfen+clodinafop-propargyl @ 0.3 kg a.i ha-1 at 25 DAS (T8) was found to be the most effective control practice in controlling Vicia sativa and other weeds to achieve broad spectrum weed control and to realize higher seed yield as well as economic returns from rice-fallow blackgram.