Plant heat treatment assembly (100) for elimination of pathogens on living plants, comprising a process chamber (1) with inlet (3) and outlet (5), a pre-chamber (4) with pre-chamber inlet (7) and outlet (6). The pre-chamber outlet communicates with the process chamber inlet. A pump (9) is arranged between the process chamber outlet (5) and the pre-chamber inlet (7), circulating gas through the process chamber. A gas heating arrangement (19) has water steam supply. A choking arrangement (11) is between the pre-chamber and the process chamber. The plant heat treatment assembly (100) has a temperature sensor (45) and an adjustable steam supply valve (21) to govern the supply of water steam based on input from the temperature sensor (45). The choking arrangement (11) is adjustable. A method is also disclosed.

Plant heat treatment assembly (100) for elimination of pathogens on living plants, comprising a process chamber (1) with inlet (3) and outlet (5), a pre-chamber (4) with pre-chamber inlet (7) and outlet (6). The pre-chamber outlet communicates with the process chamber inlet. A pump (9) is arranged between the process chamber outlet (5) and the pre-chamber inlet (7), circulating gas through the process chamber. A gas heating arrangement (19) has water steam supply. A choking arrangement (11) is between the pre-chamber and the process chamber. The plant heat treatment assembly (100) has a temperature sensor (45) and an adjustable steam supply valve (21) to govern the supply of water steam based on input from the temperature sensor (45). The choking arrangement (11) is adjustable. A method is also disclosed.

The present invention relates to a method for producing sterile flowering biomass, the method comprising: a) inoculating a temporary liquid immersion culture system containing a sterile culture medium containing at least one cytokinin with sterile plant material, b) growing leafy biomass, and c) inducing and maturing flower tissues from the leafy biomass, wherein flowering is induced by reducing the duration and/or frequency of the immersion of the plant material in the culture medium in step c) compared to step b). It further relates to a method for producing a component present in flowering biomass, using sterile flowering biomass obtained using the aforementioned method according to the invention.

The present invention relates to a method for producing sterile flowering biomass, the method comprising: a) inoculating a temporary liquid immersion culture system containing a sterile culture medium containing at least one cytokinin with sterile plant material, b) growing leafy biomass, and c) inducing and maturing flower tissues from the leafy biomass, wherein flowering is induced by reducing the duration and/or frequency of the immersion of the plant material in the culture medium in step c) compared to step b). It further relates to a method for producing a component present in flowering biomass, using sterile flowering biomass obtained using the aforementioned method according to the invention.

The present invention addresses the problem of providing a novel way of enhancing the characteristics of a plant without using genetic recombination. The present invention involves freezing plant tissue during a freezing step and then obtaining a liquid extract from the frozen plant tissue.

An automatic agricultural machine according to the present invention includes: a fixed base disposed on farmland; a first-direction movement guide part installed on the fixed base so as to be spaced apart from the farmland; a first-direction movement trolley configured to travel on the first-direction movement guide part; and an automatic spraying device configured to travel on a second-direction movement guide part connected to the first-direction movement trolley, wherein traveling control of the first-direction movement trolley and winding control of the second-direction movement guide part are performed on the basis of at least any one of the trigonometric function principle and the Pythagorean theorem.

The present invention is a plant growth promoter, containing: a lignocellulosic biomass (A); and at least one base (B) selected from the following (B1) to (B3), wherein the plant growth promoter has a contact angle with water of 80° or less, <Base (B)> (B1) a resin acid, (B2) a compound represented by formula (1),
R.sup.1—Z.sup.1—Z.sup.2  (1) wherein R.sup.1 represents a hydrocarbon group with 9 or more carbons, Z.sup.1 represents a single bond or (OR.sup.2).sub.p, R.sup.2 represents an alkanediyl group with 2 or more and 3 or less carbons, p represents a number that is on average more than 0 and 30 or less, Z.sup.2 represents a group selected from a carboxy group, a hydroxyl group, a sulfate group, and NR.sup.3R.sup.4, R.sup.3 and R.sup.4 each independently represent a hydrogen atom, a methyl group, an ethyl group, or (R.sup.5O).sub.qH, R.sup.5 represents an alkanediyl group with 2 or more and 3 or less carbons, and q represents a number that is on average more than 0 and 15 or less, and (B3) a polyhydric alcohol or a polycarboxylic acid having a molecular weight of 30,000 or less.

The present invention is a plant growth promoter, containing: a lignocellulosic biomass (A); and at least one base (B) selected from the following (B1) to (B3), wherein the plant growth promoter has a contact angle with water of 80° or less, <Base (B)> (B1) a resin acid, (B2) a compound represented by formula (1),
R.sup.1—Z.sup.1—Z.sup.2  (1) wherein R.sup.1 represents a hydrocarbon group with 9 or more carbons, Z.sup.1 represents a single bond or (OR.sup.2).sub.p, R.sup.2 represents an alkanediyl group with 2 or more and 3 or less carbons, p represents a number that is on average more than 0 and 30 or less, Z.sup.2 represents a group selected from a carboxy group, a hydroxyl group, a sulfate group, and NR.sup.3R.sup.4, R.sup.3 and R.sup.4 each independently represent a hydrogen atom, a methyl group, an ethyl group, or (R.sup.5O).sub.qH, R.sup.5 represents an alkanediyl group with 2 or more and 3 or less carbons, and q represents a number that is on average more than 0 and 15 or less, and (B3) a polyhydric alcohol or a polycarboxylic acid having a molecular weight of 30,000 or less.

A monitoring system is presented for monitoring plants' conditions in one or more plant growing areas. The system comprises: a data collection system configured and operable to provide characterization data about plants in said one or more plant growing areas, the data collection system comprising data collection modules of at least first and second different types, the first type data collection module comprising a first imaging device of predetermined first optical properties and the second type data collection module comprising a second imaging device of predetermined second optical properties different from the first optical properties, the characterization data provided by at least one of the first and second imaging devices being indicative of various parameters of the plants being imaged; and a control system configured and operable to be in data communication with an analyzer to be responsive to operational data received from the analyzer and being based on analysis of the image data indicative of one or more plants being imaged by the first type imaging device, to selectively activate the second type imaging device to apply the second type imaging to at least a part of said one or more plants.

A composition including a plant medium and a poly-oxygenated metal hydroxide that comprises a clathrate containing oxygen gas molecules. The poly-oxygenated metal hydroxide may comprise of a poly-oxygenated aluminum hydroxide. The composition may include one or more nutrients. The composition may be in a solid form, a fluid form, or a combination thereof. The poly-oxygenated aluminum hydroxide is soluble in a fluid. In one embodiment, the poly-oxygenated metal hydroxide composition may have particles having a diameter of 212 .Math.m or less, and which may be homogeneous.