33 results about "Chilling requirement" patented technology

The invention discloses a chilling-free cultivating method of peaches in a greenhouse. Through a series of chilling-free cultivating technological means including the step of promoting flower buds to fully differentiate in advance, the step of spraying nutritional agents, shielding light and closing a plastic shed so as to make leaves fall, the step of spraying dormancy-breaking chemicals, controlling the temperature and promoting flowering, the step of spraying fruit-setting and branch-promoting agents to prevent secondary dormancy, the step of reasonably regulating and controlling the temperature and humidity, the step of manually compensating for light and the step of applying carbon dioxide fertilizer, the mature period of peaches in the greenhouse is greatly brought forward. The method has the advantages of being wide in suitable variety range, high in operability, accurate in regulation and control, high in increased benefit and the like, is suitable for being applied to greenhouse precocity promoting cultivation of most of middle-early ripen peaches with a chilling requirement of 700 hours or fewer in present production, also has quite high guidance significance in regulating the mature period of other northern fruit trees, and makes peaches in the greenhouse ripen as early as possible and appear on the market before the spring festival, the peaches can meet the requirements for the spring festival consumer market and sightseeing and picking, the sale price is several times to ten times or more the price of peaches appearing on the market in April and May, and the benefit increase is quite remarkable.

The invention discloses a method for regulating and controlling a flowering phase of peach cut-flowers and guaranteeing the flowering quality. The method for regulating and controlling the flowering phase of peach cut-flowers and guaranteeing the flowering quality disclosed by the invention comprises the following steps: determining a pickup date of the peach cut-flowers according to the selected optimal ornamental date, performing low-temperature treatment according to the chilling requirement after the peach cut-flowers are picked up at the pickup date, obtaining peach cut-flowers in natural dormancy, performing flower forcing treatment, and obtaining the peach cut-flowers in the optimal ornamental period. According to the method disclosed by the invention, the flowering phase on the specified date can be regulated and controlled by combining environmental control according to different chilling requirements of different peach cut-flower qualities, for example, early-maturing varieties are guided to bloom on Christmas Day, New Year's Day and Spring Festival, and late varieties are guided to be in full bloom on May Day even can bloom on each needed festival. The method has significance in promoting development of sightseeing agriculture and Peach Flower Festival and realizing greater social benefits, landscape benefits and economic benefits.

The invention discloses a freezer capable of achieving staged freezing and a staged freezing method. The freezer comprises a liquid distribution ring, a liquid collection ring, a tee joint, a freezingpipe, an upper-section frozen liquid supply and lower-section frozen liquid return pipe, and a lower-section frozen liquid supply pipe. The bottom ends of the upper-section frozen liquid supply and lower-section frozen liquid return pipe and the lower-section frozen liquid supply pipe extend into the freezing pipe along the axis of the freezing pipe, and the upper ends of the upper-section frozenliquid supply and lower-section frozen liquid return pipe and the lower-section frozen liquid supply pipe extend out of the top end of the freezing pipe. The distance between the bottom end of the lower-section freezing liquid supply pipe and the bottom of the freezing pipe is smaller than the distance between the upper-section frozen liquid supply and lower-section frozen liquid return pipe andthe bottom of the freezing pipe. By staged freezing, the demand for chilling requirement can be reduced, the number of equipment in a freezing station can be reduced, the equipment installation work can be reduced, the floor area of the freezing station can be reduced, the civil construction cost of the freezing station can be reduced, and the total freezing cost can be reduced. By staged freezing, the cooling capacity can be rationally used, the freezing of the upper part of a shaft can be accelerated, and the early excavation of the shaft can be achieved.

The invention relates to a method for getting rid of seasonal dormancy of fruit trees. The processing method for getting rid of the seasonal dormancy of the fruit trees includes the steps: (1) collecting fruit tree branches which are with full flower buds and in a dormancy period when chilling requirements satisfy one third, and carrying out water planting with GA4 solution; (2) putting the fruit tree branches through the water planting into an illuminating incubator and carrying out statistic on a germination rate of the fruit tree branches ten days later to confirm the dormancy state of the fruit tree branches. Compared with a current common dormancy breaking agent of lime nitrogen, the GA4 is small in toxicity, preparation of the solution of the GA4 and spraying the solution of the GA4 are simpler and easier than smearing of the lime nitrogen, and the dormancy breaking effect of the GA4 to the flower buds the fruit trees is better than that of the lime nitrogen. The GA4 is utilized to carry out the dormancy breaking processing on the fruit trees, so that the method for getting rid of the seasonal dormancy of the fruit trees has a good theory base and a good market prospect.

The invention relates to a precocious production method of fruit trees in a greenhouse, belonging to the technical field of cultivation of stone fruits in the greenhouse. The technical scheme provided by the invention is as follows: the precocious production method comprises the steps of chemically controlling, setting up the greenhouse to be dormant, increasing the temperature, controlling the temperature and maturing. According to the invention, precocity is promoted through short dormancy; natural attributes of the stone fruits can be effectively improved; chilling requirement is artificially shortened through a biotechnology and a physical technology; after the chilling requirement is shortened, the production time can be ahead of time; the stone fruits can be matured and can appear on the market after the spring festival (imported fruits are mainly relied till may 1 after the spring festival in our country); the economical benefit is obvious; and in addition, in the production process, the yield is increased by above 25%, the fruit setting rate is increased, the quality is increased, the yield per mu is increased, the production is increased, the income is increased, and the efficiency is increased.

The technology belongs to the field of facility fruit tree culture. When a peachtree grows to a certain stage, the peachtree enters a dormancy state, the dormancy period is a growth period of relative slow growth, the growth period needs the support of low temperature of around 7 DEG C, and in the process, forms and contents of blossom buds are subjected to extremely subtle change. When the dormancy reaches certain degree, qualitative change occurs, namely the dormancy period is relieved, if the dormancy time is overlong, the mature period is delayed, and if the dormancy time is insufficient, the germination cannot occur. Therefore, timely and accurate mastery of dormancy relieving period is a guide basis for the beginning of temperature rise of a facility fruit tree. During the forcing culture and early forcing culture of the peachtree, the accurate mastery of the dormancy period of the peachtree is a key to the early selling and successful culture, but a chilling requirement estimation method cannot meet the production requirement. The invention provides a simple, convenient, rapid, accurate and cheap method capable of indicating the dormancy relieving of the blossom buds of the peachtree.

The invention provides a method for measuring the chilling requirement of cherries through semi-vivo culture. The method comprises cherry branches are collected; the cherry branches are culture at low temperature; the cherry braches are culture at room temperature, the flower bud germination rate and the leaf bud germination rate are counted, and the chilling requirement of the cherries is measured; according to the method for collecting the cherry branches, the base portions of the branches are pruned flat, the length of the branches are controlled to be 30-50 cm, and at least five flower buds are reserved in each branch. The low-temperature culture and the room-temperature culture are used alternately, so that external conditions are simulated as far as possible, the temperature is effectively controlled, the branches are avoided from being affected by the uncontrollable factor, namely external temperature, or the external temperature is recorded by means of other devices, and convenience is brought to the calculation of the chilling requirement.

The invention discloses a method for promoting none-flowering-phase kiwi fruits to flower under the in vitro condition. The method comprises the steps that certain chilling requirements are accumulated for in vitro twigs, an appropriate external environmental condition is given, the twigs are made to grow and develop in an established mode, and the purpose of generating flower buds and flowering ahead of time is achieved. Compared with the prior art, the method has the advantages that the none-flowering-phase kiwi fruits can obtain the flower buds, and the germplasm innovation for kiwi fruit haploid (double haploid) can be conducted multiple times in one year; the application scope is wide, the method can be popularized to other woody fruit trees, and original experimental materials are provided for the germplasm innovation based on the haploid (double haploid) technology.

This invention is a new and distinct sweet cherry tree variety denominated ‘IFG Cher-four’. The new sweet cherry is characterized by producing medium size blushed fruits having flat-round shape. Fruits ripen early about thirteen to seventeen days ahead of the ‘Rainier’ variety. The ‘IFG Cher-four’ has medium firm, medium acid fruit with a good cherry flavor. Fruits are tolerant of rain induced cracking. The tree has a low chilling requirement, about 300 to 400 chill hours.

A new and distinct low-chill rabbiteye blueberry (Vaccinium ashei) cultivar. Its novelty lies in the following unique combination of features: 1. Has a low chilling requirement. 2. Has a vigorous bush. 3. Produces large, medium-blue berries with small, dry picking scars and with good firmness, flavor and texture. 4. Ripens its crop early for a rabbiteye blueberry, averaging 7 to 10 days before `Climax` (unpatented), or starting about May 22 in Homerville, Ga.

The invention relates to the technical field of gastrodia elata cultivation, in particular to a method for controlling dormancy of seed stem and a method for rejuvenating and cultivating gastrodia elata. According to the method for controlling the dormancy of the seed stem, disclosed by the invention, humus soil is adopted to coat the seed stem, namely arrow hemp and the arrow hemp is putted intoa breathable environment of 3 to 8 DEG C for treatment, so that the dormancy of the seed stem is prolonged. The seed nature of the gastrodia elata can be effectively restored by adopting the method tocarry out low temperature treatment on the seed stem. According to the rejuvenation cultivation technical method of the gastrodia elata, provided by the invention, steps such as seed stem dormancy, seed stem soaking, seed cultivation, seedbed preparation, sowing, management and harvesting are controlled, and several links are matched with one another, so that the winter chilling requirement of the seed stem is met and finally the seed stem restoring seed nature is obtained; the yield and the quality of finished gastrodia elata can be effectively improved by using the seed stem restoring the seed nature to plant and produce.

This invention is a new and distinct sweet cherry tree variety denominated ‘IFG Cher-three’. The new sweet cherry tree is characterized by producing medium sized dark red fruits having reniform shape. Fruits ripen early about three to five days ahead of the ‘Brooks’ variety. The ‘IFG Cher-three’ has very firm, medium acid fruit with a good cherry flavor. Fruits are tolerant of rain induced cracking and high temperature induced double fruit. The tree has a low chilling requirement slightly lower than the ‘Brooks’ variety.

This invention is a new and distinct sweet cherry tree denominated ‘IFG Cher-nine’. The new sweet cherry tree is characterized by producing early ripening medium size dark red fruits having a reniform shape. Fruits ripen early and are very firm, with medium acid fruit with a good cherry flavor. Fruits are tolerant of rain induced cracking. The tree has a low chilling requirement of about 300 to 400 hours. It produces few doubled and spurred fruits.

This invention is a new and distinct variety of sweet cherry tree denominated ‘IFG Cher-six’. The new sweet cherry tree ‘IFG Cher-six’ is characterized by producing large size blushed fruits having a reniform shape. The ‘IFG Cher-six’ has medium firm, medium acid fruit with a good eating quality ripening in mid-season. Fruits are moderately tolerant of rain induced cracking. The tree has a medium-low chilling requirement, produces few doubled and spurred fruits and ripens seven to ten days before the ‘Rainier’ variety.

A new and distinct low-chill blueberry (Vaccinium) variety ‘HX’. The parent of ‘HX’ is ‘Avonblue’ (unpatented) an interspecific hybrid of several species. ‘HX’ is

• • (a) free flowering without the use of growth regulating chemicals,
  • (b) has the lowest chilling requirement on all commercial cultivar,
  • (c) has the earliest fruiting of all commercial cultivar,
  • (d) is resistant to phytophthora cinnamomii and
  • (e) its fruits ripen uniformly.