搜索结果: 1-12 共查到“农学 spraying”相关记录12条 . 查询时间(0.079 秒)
Toxicity and spraying schedules of a biopesticide prepared from Piper guineense against two cowpea pests
toxicity Piper guineense extract Maruca vitrata Clavigralla tomentosicollis spray schedules cowpea
2015/3/1
The toxicity of three concentrations (5%, 10% and 20% w/v) and spraying schedules (2, 4 and 6 weekly applications) of an extract from West African black pepper, Piper guineense, for managing two major...
The sensitivity of flower bud thrips, Megalurothrips sjostedti Trybom (Thysanoptera: Thripidae), on cowpea to three concentrations and spraying schedules of Piper guineense Schum. & Thonn. extracts
control of Megalurothrips sjostedti extracts of Piper guineense Vigna unguiculata application Schedule
2015/2/6
The extracts of pods of West African black pepper, Piper guineense, at 5, 10 and 20% (w/v), were applied at two, four and six weekly schedules to control the legume flower bud thrips, Megalurothrips s...
Effects of Reduced Amounts of Fertilizer on Nutrition, Fruit Yield and Quality of Satsuma Mandarin Receiving Frequent Spraying with a Small Volume of Liquid Fertilizer
brix citric acid content labor-saving skin color sprinkler
2010/11/24
Effects of overhead liquid fertilizer application on tree nutrition, yield and fruit quality of satsuma mandarin (Citrus unshiu Marc.) were investigated. Liquid fertilizer was prepared by dissolving s...
Effect of air assistance on deposition distribution on spraying by tunnel-type electrostatic sprayer
Air assisted sprayers deposit losses spraying tunnel sprayers
2010/9/14
Pesticide drift has always been a serious threat to both living things in the fields and people who are indirectly affected by it. There are many types of pesticide application machines for decreasing...
Management of Apriona japonica Thomson (Coleoptera: Cerambycidae) Adults by Spraying Feeding Trees with Fenitrothion
Apriona japonica feeding tree fenitrothion management residual activity
2009/8/24
The longhorn beetle, Apriona japonica, damages various broad-leaved trees. In a mixed forest of Robinia pseudoacacia and Celtis sinensis at Uchinada, Ishikawa Prefecture, barkfeeding adults are though...
Control Effects of the Oak Borer Platypus quercivorus (Coleoptera:Platypodidae) by Spraying Trunk Surface with Fenitrothion
attack control fenitrothion initial attack mass attack Platypus qurcivorus
2009/8/24
I sprayed the trunk surface lower than 6 m above ground level with 1.6% fenitrothion once before the occurrence of Platypus quercivorus adults in Quercus serrata and Q. crispula forests. The number of...
Effects of Repeated Benzyladenine Spraying on Branch Development of Apple Nursery Trees on M. 9 Rootstocks
Repeated Benzyladenine Apple Nursery Trees
2009/7/10
Shoot tops (10 to 25 cm from apices) of one- and two-year-old ‘Fuji’ and ‘Akibae’ apple trees grafted onto M. 9 Nagano and Pajam 2 rootstocks were sprayed one to five times with 6-benzyladenine (BA, 3...
Influence of Spraying Ethephone on the Flowering of Non-branching Type Chrysanthemum (Chrysanthemum morifolium Ramat.) Cultivars
autum-flowering chrysanthemum delayed-start culture
2009/7/8
We investigated the effects of spraying ethephone on the flowering and cut flower quality of non-branching type chrysanthemum (Chrysanthemum morifolium Ramat.) cultivars with different flowering chara...
Influence of Temperature and Ethephon Spraying on the Flowering of Late July Flowering-type Small-flowered Chrysanthemum (Chrysanthemum morifolium Ramat.) Cultivars
delayed-start culture flower budding flower development flower differentiation
2009/7/6
The effect of temperature and use of ethephon on growth in late-July flowering type chrysanthemums (‘Kosame’, ‘Michinoku’ and ‘Yayoi’) was investigated. Anthesis time fluctuated according to the tempe...
Influence of Spraying and Adapted Fertilization on Reproductive Potential and Formation of Dispersing Morphs in Mustard Aphid, Lipaphis erysimi（Kalt）
Mustard Aphid Alatoid Alate Embryo
2009/3/12
1. The study was carried out to find out the influence of adapted fertilization and insecticide application on reproductive potential and formation of dispersing morphs of mustard aphid, Lipaphis erys...
Insecticidal Activities of the Enantiomers of Asymmetric 1-[1-(6-Chloro-3-pyridyl)ethyl]-2-nitroiminoimidazolidine against American Cockroach, Cucurbit Leaf Beetle, Green Rice Leafhopper and Green Peach Aphid Following Injection, Dipping and Spraying
American cockroach asymmetric chloronicotinyl insecticide enantioselectivity imidacloprid
2009/3/6
The title compound Me-IMI has been reported to show enantioselectivity in terms of binding affinity and nerve blocking activity in vitro. Here we examined the behavior of the optical isomers in vivo...
Behaviour of Flowering, Dropping and Fruit Setting, of Washington Navel and Pineapple Oranges in Relation to Spraying Ga3 and Urea
Orange Washington navel Pineapple and Gibberllin
2010/11/12
Washington Navel and Pineapple orange trees received one spray on mid. Dec. early or mid Jan. with GA3 at 100 or 150ppm, urea at 1.0 or 1.5 % as well as GA3 at 100 or 150 + urea at 1.0 % the effect of...