Disclosed is a composition for improving resistance to drought and osmotic stress containing a compound represented by Formula 1 as an active ingredient, the composition containing the compound represented by Formula 1 being able to minimize inhibition of the growth of crops while improving resistance to drought and osmotic stress.

The invention provides a silk-based biomaterial designed to fabricate a microneedle-like device with controlled degradation rate in planta via tuning material composition and methods of manufacture thereof. The device enables precise access to xylem, phloem, and other plant tissues, thus being capable of serving as delivery tool to release cargo payloads and as sampling tool for analysis of plants fluid.

The invention provides a silk-based biomaterial designed to fabricate a microneedle-like device with controlled degradation rate in planta via tuning material composition and methods of manufacture thereof. The device enables precise access to xylem, phloem, and other plant tissues, thus being capable of serving as delivery tool to release cargo payloads and as sampling tool for analysis of plants fluid.

Plant growth composition and methods of using plant growth compositions including a solvent composition including propylene glycol and 2-butoxy ethanol and an active component combination formulated to increase growth of a plant. The composition solvent composition may include about 50% or more propylene glycol and about 50% or less 2-butoxy ethanol such as about 50% to about 90% propylene glycol and about 10% to about 50% 2-butoxy ethanol. The plant growth composition may be applied to plant seeds prior to growing the plant seeds into mature plants.

The present invention generally relates to non-aqueous solutions of plant growth regulator(s) and polar and/or semi-polar organic solvent(s), methods for making said non-aqueous solution, and methods for improving the growth and crop productivity of plants using said non-aqueous solution.

A lactam compound and a salt thereof, represented by general formulae (1) and (2):

##STR00001##

In the formulae, R.sup.1 and R.sup.2 may be the same or different, and each represent a hydrogen atom, a protective group of a carboxyl group or a cation, and X.sup.− is a halogen ion, an organic acid ion, or an inorganic acid ion.

A lactam compound and a salt thereof, represented by general formulae (1) and (2):

##STR00001##

In the formulae, R.sup.1 and R.sup.2 may be the same or different, and each represent a hydrogen atom, a protective group of a carboxyl group or a cation, and X.sup.− is a halogen ion, an organic acid ion, or an inorganic acid ion.

The present invention is an evaporation inhibitor for plant treatment agents composed of at least one compound selected from (A1) a compound obtained by adding a predetermined amount of at least one alkylene oxide (hereinafter referred to as AO) selected from ethylene oxide (hereinafter referred to as EO) and propylene oxide (hereinafter referred to as PO) to a predetermined alcohol, (A2) a compound obtained by adding a predetermined amount of at least one AO selected from EO and PO to a predetermined carboxylic acid, (A3) a compound obtained by adding a predetermined amount of at least one AO selected from EO and PO to a monoester of a fatty acid with 10 or more and 20 or less carbons and sorbitan, (A4) a polyalkylene glycol with a weight average molecular weight of 100 or more and 3000 or less, (A5) a predetermined ester compound, and (A6) a predetermined carboxylic acid.

The present invention relates to a new trinexapac-ethyl microemulsion composition. Such compositions are useful in agriculture for regulating the growth of plants.

The present invention relates to a new trinexapac-ethyl microemulsion composition. Such compositions are useful in agriculture for regulating the growth of plants.