Agronomy and Crop Sciences Commons^™

Lupin Logic Number 53

Lupin Logic

Contents

Learning form 1994

- Dry seeding

- Inoculation

- Seed quality

- Weed conrol

- Disease

- Frost

- Growth and yields

Lupinosis vaccine

East coast lupin market

Good quality despite dry season

- Albus

- Angustifolius

Receivals (1 December)

Lupin Logic Number 52

Lupin Logic

Contents

Stable supply/demand pays dividends

Lupin symposium

Lupins returns boosted by east coast sales

Albus lupins - $

Seeed testing

Lupin variety recommendations 1995

Seed purchase

Seed storage

Lupin Logic Number 51

Lupin Logic

Contents

Yellow Lupins

Zinc deficiency in albus

Select

Harvester modifications

CMV and seed testing

Herbicide resistance watch

Crop topping

Mystery soil samples

Lupin Logic Number 50

Lupin Logic

Contents

WUE for lupins

Aphid outlook

GMPs vs cash prices

Budrm outlook

Budworm damage

New crop price prospects

Lupin Logic Number 49

Lupin Logic

Contents

A vigour test for lupin seed

Inoculant and fungicide

Lupin flowering

AGWEST Seed quality now in business

Handbook of grain legumes

Reminders

Meetings

Lupin Logic Number 48

Lupin Logic

Contents

Seed Quality

Rethinking sandplain crop establishment

Metribuzin use in lupins

Grass weed control

Market update

Lupin technical symposium

1994/5 State research grants

Arkansas Rice Research Studies 1993, B. R. Wells

Arkansas Agricultural Experiment Station Research Series

The research reports in this publication represent one year of results; therefore, these results should not be used as a basis for longterm recommendations. Several research reports in this publication dealing with soU fertility also appear in Arkansas Soil Fertility Studies 1993, Arkansas Agricultural Experiment Station Research Series 436. This duplication is the result of the overlap in research coverage between the two series and our effort to inform Arkansas rice producers of all the research being conducted with funds from the rice check-off.

Lupin Logic Number 47

Lupin Logic

Contents

How simazine works

Post-emergaence weed control options in lupins 1994

June weed control

Windbreaks and alley farming

China project

Reminders

Lupin Logic Number 46

Lupin Logic

Contents

Central south coast - another point of view

Market outlook

Preplant herbicides

Dry seeding and simazine

Inoculant or fungicide?

Reminders

1993/94 Estimated lupin equities

Lupin Logic Number 45

Lupin Logic

Contents

Taiwan market re-established

Planting risks

Seasonal strategies

Reminders

Herbicide resistant ryegrass

Lupin Logic Number 44

Lupin Logic

Contents

Stubble burning and lupins

Mintweed control

Going to wider rows?

Machinery conversion for wide furrow seedings

Quote of the decade

Reminders

1993/94 Estimated lupin equities

Lupin Logic Number 43

Lupin Logic

Contents:

Is dry seeding an option for you?

Simazine use

Feedback on CMV testing

CMV testing

Grower meetings

1992/93 Provisional dockages

Lupin sales by destination

Reminders

Lupin Logic Number 42

Lupin Logic

Contents:

One million tonnes

Market update

CMV testing

Unidentified CMV samples

Growers meetings

Shake up on the south coast

Lupin research and development

Using Hydrophilic Polymers To Control Nutrient Release, Robert Mikkelsen

Robert Mikkelsen

Using diverse technological approaches, many types of delivery devices have been used to supply plant nutrients at a controlled rate in the soil. One new approach is the use of hydrophilic polymers as carriers of plant nutrients. These polymers may be generally classified as 1) natural polymers derived from polysaccharides, 2) semi-synthetic polymers (primarily cellulose derivatives), and 3) synthetic polymers. By controlling the reaction conditions when forming the polymers, various degrees of cross-linking, anionic charge, and cationic charge can be added, thereby changing their effectiveness as fertilizer carriers. When fertilizer-containing solutions are mixed with hydrophilic polymers to form a "gel" …

Cdna Sequence For The Ribulose 1,5 Bisphosphate Carboxylase/Oxygenase Complex Protein A Protein That Accumulates In Soybean Leaves In Response To Fruit Removal, Paul E. Staswick, Steven J. Crafts-Brandner

Department of Agronomy and Horticulture: Faculty Publications

Soybean (Glycine max L.) transiently accumulates two abundant vegetative storage proteins, VSP A and VSP B, in vacuoles of above-ground vegetative tissues (Wittenbach, 1983; Staswick, 1990). As older leaves and stems become a source of exported metabolites for developing sinks, the VSPs are preferentially degraded and the resulting metabolites are presumably mobilized in the xylem and phloem stream. A striking feature of these proteins is that VSP gene expression is dramatically increased in mature leaves following the remova1 of reproductive sinks (seed pods) and the amount of these proteins increases accordingly (for review, see Staswick, 1994). Other changes …

Purification Of The Major Soybean Leaf Acid Phosphatase That 1s Increased By Seed-Pod Removal, Paul E. Staswick, Chuck Papa, Jing-Feng Huang, Yoon Rhee

Department of Agronomy and Horticulture: Faculty Publications

Fruit removal for 5 weeks after flowering increased acid phosphatase activity 10-fold in soybean (Glycine max 1. Merr. vai Hobbit) leaves compared with normal seed-pod-bearing plants. The major acid phosphatase activity in leaves was purified over 2700-fold, yielding a single polypeptide of 51 kD with a specific activity of 1353 units/mg protein using p-nitrophenylphosphate as the substrate. lsoelectric focusing demonstrated that the purified protein co-migrated with a majority of the activity that increased in leaves following seed-pod removal. lmmunoblot analysis demonstrated that at least part of the increased activity was dueto an increased abundance of the phosphatase protein. In situ …